Tag Archives: screw extruder

China Best Sales Germany 380 Twin Screw Extruder Barrels for Petrochemical Industry stepper motor with screw shaft

Product Description

Screw Barrels for 380 Twin Screw Extruder Parts

Production description:

Production name:	Screw barrel	Brand Name:	JOINER
Model Number	380	Material:	45# steel + SAM26 lining
Place of Origin	ZheJiang , China (Mainland)	Application	Pelleting twin screw wxtruder
Diameter	380mm	Classify	open barrel, venting barrel

JOINER supplies cylinder element suitable for the following extruder products lines :
-APV -KOBE -OMC
-Buss -ICMA -Toshiba
-Clextral -Labtech -USEON
-Lantai – others
-JSW -Leistritz
-Keya -Maris

Range of Work
Diameter of 12-350mm

Types of  Barrels
Standard for classification: Design geometry           Standard for classification: With inner or not
Feeding barrel                                                                 Solid barrel
Closed barrel                                                                   Barrels with inners
Vent barrel
Combi barrel
Extended degassing barrel
Combi barrel with backward venting

Our Production Plant

FRQ

1 . Q: Are you a factory or trading company?
—-A: A factory
2 . Q: Where is your factory located? How can I visit there?
—–A: Our factory is located in HangZhou , ZheJiang Province, China,
1) You can fly to HangZhou Airport directly. We will pick you up when you arrive in the airport ;
All our clients, from domestic or abroad, are warmly welcome to visit us!

3 .Q: What makes you different with others?
—-A: 1) Our Excellent Service
For a quick, no hassle quote just send email to us
We promise to reply with a price within 24 hours – sometimes even within the hour.

2) Our quick manufacturing time
For Normal orders, we will promise to produce within 30 working days.
As a manufacturer, we can ensure the delivery time according to the formal contract.

4 .Q: How about the delivery time?
—-A: This depends on the product. Typically standard products are delivered within 30 days.

Q: What is the term of payment?
—-A: 1) T/T payment; 2) LC;

6.Q: May I know the status of my order?
—-A: Yes .We will send you information and photos at different production stage of your order. You will get the latest information in time.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service:	1 Year
Warranty:	1 Year
Standard:	ISO9001
Technics:	Forging
Feature:	Recycle
Material:	Nitriding Steel

Samples:	US$ 1000/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

screwshaft

Screws and Screw Shafts

A screw is a mechanical device that holds objects together. Screws are usually forged or machined. They are also used in screw jacks and press-fitted vises. Their self-locking properties make them a popular choice in many different industries. Here are some of the benefits of screws and how they work. Also read about their self-locking properties. The following information will help you choose the right screw for your application.

Machined screw shaft

A machined screw shaft can be made of various materials, depending on the application. Screw shafts can be made from stainless steel, brass, bronze, titanium, or iron. Most manufacturers use high-precision CNC machines or lathes to manufacture these products. These products come in many sizes and shapes, and they have varying applications. Different materials are used for different sizes and shapes. Here are some examples of what you can use these screws for:
Screws are widely used in many applications. One of the most common uses is in holding objects together. This type of fastener is used in screw jacks, vises, and screw presses. The thread pitch of a screw can vary. Generally, a smaller pitch results in greater mechanical advantage. Hence, a machined screw shaft should be sized appropriately. This ensures that your product will last for a long time.
A machined screw shaft should be compatible with various threading systems. In general, the ASME system is used for threaded parts. The threaded hole occupies most of the shaft. The thread of the bolt occupy either part of the shaft, or the entire one. There are also alternatives to bolts, including riveting, rolling pins, and pinned shafts. These alternatives are not widely used today, but they are useful for certain niche applications.
If you are using a ball screw, you can choose to anneal the screw shaft. To anneal the screw shaft, use a water-soaked rag as a heat barrier. You can choose from two different options, depending on your application. One option is to cover the screw shaft with a dust-proof enclosure. Alternatively, you can install a protective heat barrier over the screw shaft. You can also choose to cover the screw shaft with a dust-proof machine.
If you need a smaller size, you can choose a smaller screw. It may be smaller than a quarter of an inch, but it may still be compatible with another part. The smaller ones, however, will often have a corresponding mating part. These parts are typically denominated by their ANSI numerical size designation, which does not indicate threads-per-inch. There is an industry standard for screw sizes that is a little easier to understand.

Ball screw nut

When choosing a Ball screw nut for a screw shaft, it is important to consider the critical speed of the machine. This value excites the natural frequency of a screw and determines how fast it can be turned. In other words, it varies with the screw diameter and unsupported length. It also depends on the screw shaft’s diameter and end fixity. Depending on the application, the nut can be run at a maximum speed of about 80% of its theoretical critical speed.
The inner return of a ball nut is a cross-over deflector that forces the balls to climb over the crest of the screw. In one revolution of the screw, a ball will cross over the nut crest to return to the screw. Similarly, the outer circuit is a circular shape. Both flanges have one contact point on the ball shaft, and the nut is connected to the screw shaft by a screw.
The accuracy of ball screws depends on several factors, including the manufacturing precision of the ball grooves, the compactness of the assembly, and the set-up precision of the nut. Depending on the application, the lead accuracy of a ball screw nut may vary significantly. To improve lead accuracy, preloading, and lubrication are important. Ewellix ball screw assembly specialists can help you determine the best option for your application.
A ball screw nut should be preloaded prior to installation in order to achieve the expected service life. The smallest amount of preload required can reduce a ball screw’s calculated life by as much as 90 percent. Using a lubricant of a standard grade is recommended. Some lubricants contain additives. Using grease or oil in place of oil can prolong the life of the screw.
A ball screw nut is a type of threaded nut that is used in a number of different applications. It works similar to a ball bearing in that it contains hardened steel balls that move along a series of inclined races. When choosing a ball screw nut, engineers should consider the following factors: speed, life span, mounting, and lubrication. In addition, there are other considerations, such as the environment in which the screw is used.
screwshaft

Self-locking property of screw shaft

A self-locking screw is one that is capable of rotating without the use of a lock washer or bolt. This property is dependent on a number of factors, but one of them is the pitch angle of the thread. A screw with a small pitch angle is less likely to self-lock, while a large pitch angle is more likely to spontaneously rotate. The limiting angle of a self-locking thread can be calculated by calculating the torque Mkdw at which the screw is first released.
The pitch angle of the screw’s threads and its coefficient of friction determine the self-locking function of the screw. Other factors that affect its self-locking function include environmental conditions, high or low temperature, and vibration. Self-locking screws are often used in single-line applications and are limited by the size of their pitch. Therefore, the self-locking property of the screw shaft depends on the specific application.
The self-locking feature of a screw is an important factor. If a screw is not in a state of motion, it can be a dangerous or unusable machine. The self-locking property of a screw is critical in many applications, from corkscrews to threaded pipe joints. Screws are also used as power linkages, although their use is rarely necessary for high-power operations. In the archimedes’ screw, for example, the blades of the screw rotate around an axis. A screw conveyor uses a rotating helical chamber to move materials. A micrometer uses a precision-calibrated screw to measure length.
Self-locking screws are commonly used in lead screw technology. Their pitch and coefficient of friction are important factors in determining the self-locking property of screws. This property is advantageous in many applications because it eliminates the need for a costly brake. Its self-locking property means that the screw will be secure without requiring a special kind of force or torque. There are many other factors that contribute to the self-locking property of a screw, but this is the most common factor.
Screws with right-hand threads have threads that angle up to the right. The opposite is true for left-hand screws. While turning a screw counter-clockwise will loosen it, a right-handed person will use a right-handed thumb-up to turn it. Similarly, a left-handed person will use their thumb to turn a screw counter-clockwise. And vice versa.
screwshaft

Materials used to manufacture screw shaft

Many materials are commonly used to manufacture screw shafts. The most common are steel, stainless steel, brass, bronze, and titanium. These materials have advantages and disadvantages that make them good candidates for screw production. Some screw types are also made of copper to fight corrosion and ensure durability over time. Other materials include nylon, Teflon, and aluminum. Brass screws are lightweight and have aesthetic appeal. The choice of material for a screw shaft depends on the use it will be made for.
Shafts are typically produced using three steps. Screws are manufactured from large coils, wire, or round bar stock. After these are produced, the blanks are cut to the appropriate length and cold headed. This cold working process pressudes features into the screw head. More complicated screw shapes may require two heading processes to achieve the desired shape. The process is very precise and accurate, so it is an ideal choice for screw manufacturing.
The type of material used to manufacture a screw shaft is crucial for the function it will serve. The type of material chosen will depend on where the screw is being used. If the screw is for an indoor project, you can opt for a cheaper, low-tech screw. But if the screw is for an outdoor project, you’ll need to use a specific type of screw. This is because outdoor screws will be exposed to humidity and temperature changes. Some screws may even be coated with a protective coating to protect them from the elements.
Screws can also be self-threading and self-tapping. The self-threading or self-tapping screw creates a complementary helix within the material. Other screws are made with a thread which cuts into the material it fastens. Other types of screws create a helical groove on softer material to provide compression. The most common uses of a screw include holding two components together.
There are many types of bolts available. Some are more expensive than others, but they are generally more resistant to corrosion. They can also be made from stainless steel or aluminum. But they require high-strength materials. If you’re wondering what screws are, consider this article. There are tons of options available for screw shaft manufacturing. You’ll be surprised how versatile they can be! The choice is yours, and you can be confident that you’ll find the screw shaft that will best fit your application.

China Best Sales Germany 380 Twin Screw Extruder Barrels for Petrochemical Industry stepper motor with screw shaft
editor by CX 2024-03-25

China best Plastic Extrusion Machine Extruder Double Screw screw shaft cad

Product Description

Plastic Extrusion Machine Extruder Double Screw

(Notes: Different raw materials, the output is different, please tell me what’s the material you want to produce, I will recommend you the correct model.)

Type	TSH-20	TSH-35	TSH40	TSH52	TSH65	TSH75	TSH95
Screw Diameter (mm)	22	35.6	41	51.4	62.4	71	93
Screw Speed (rpm)	600	600	600	600	600	600	600
Motor Power (kW)	4	18.5	30	55	90	132	315
L/D	32-60	32-68	32-68	32-68	32-68	32-68	32-68
Output (Kg/h)	2-15	15-95	70-120	155-255	255-400	450-750	950-1600

Product details:

1. Twin screw main extruder: Main motor: Imported “WEG”or “SIEMENS” Variable frequency motor(The frequency converter will automatically change the frequency to reduce the frequency of the motor. The operating current will always run between 80%, 50%, and 30% of the rated power. This will greatly reduce the motor’s operating current and achieve the effect of saving electricity).

2. Gearbox: Warranty: 3 years; (2)Concentricity deviation of output shaft and input shaft: within 0.2mm; (3)Both output shaft radial bearings are imported “IKO”and “NSK” bearings;

3. Electric cabinet box: (1)Inverter: Imported Switzerland”ABB”, Japan”TOSHIBA”,”FUJI”; (2)PLC: Imported “SIEMENS” brand; (3)Main electrical controller:”Schneider” brand; (4)Display of electric current:Japan “OMRON” brand; (5)Temperature instruments: Japan “OMRON” brand;

4. Twin-screw Barrel

Bimetal wear-resistant and corrosion-resistant material, the base material is 45# steel, after multiple forging, quenching and tempering treatment; the cylinder is inlaid with α-101 wear-resistant and corrosion-resistant alloy bushing, which has better wear resistance and corrosion resistance than general alloy bushings.

5. Screw elements

(1)Material is W6Mo5Cr4V2 (high speed tool steel) with the best wear resistance, the whole adopts vacuum quenching treatment, hardness is 60 ~ 62HRC; (2)Designed by the building block principle, and the screw element and the screw shaft are connected by an involute spline, and the screw combination can be adjusted according to the process requirements; The screw elements are all made by CNC machining center, with good identity and strong process repeat-ability,which is benefit for changing;

6. Screen changer+Die-head: Quick open die-head, convenient and fast, short flow path of the machine head and less material storage can significantly reduce the deterioration of the material’s physical properties, yellowing, black spots and other defects;

Machine applications:
(Notes: Our machine can be applied in the production of different plastics, such as color masterbatch, filler masterbatch, engineering plastics, reinforced materials, recycling plastics, biodegradable materials and so on.)

Our certificates:
Our company was awarded as ZheJiang High-tech Enterprise and National High-tech Enterprise.
Won the title of”2571 HangZhou Gazelle Enterprise”. This award represents the recognition by the Municipal Development and Reform Commission of HangZhou Tengda’s prosperous and healthy development over the years and its achievements.
Our company has passed ISO:9001 international quality management system certification,EU CE certification, TUV Rheinland certification, and has more than 30 patents.

Our customers:

After-sales Service:	Provided
Warranty:	Gearbox: 3 Years; Extruder: 1 Year
Type:	Plastic Granules Machine
Plastic Processed:	Any Plastic Material
Product Type:	Granulating Extruder
Feeding Mode:	Multiple Feed

Samples:	US$ 50/Piece 1 Piece(Min.Order) \| Request Sample

Screw Sizes and Their Uses

Screws have different sizes and features. This article will discuss screw sizes and their uses. There are two main types: right-handed and left-handed screw shafts. Each screw features a point that drills into the object. Flat tipped screws, on the other hand, need a pre-drilled hole. These screw sizes are determined by the major and minor diameters. To determine which size of screw you need, measure the diameter of the hole and the screw bolt’s thread depth.

The major diameter of a screw shaft

The major diameter of a screw shaft is the distance from the outer edge of the thread on one side to the tip of the other. The minor diameter is the inner smooth part of the screw shaft. The major diameter of a screw is typically between two and sixteen inches. A screw with a pointy tip has a smaller major diameter than one without. In addition, a screw with a larger major diameter will have a wider head and drive.
The thread of a screw is usually characterized by its pitch and angle of engagement. The pitch is the angle formed by the helix of a thread, while the crest forms the surface of the thread corresponding to the major diameter of the screw. The pitch angle is the angle between the gear axis and the pitch surface. Screws without self-locking threads have multiple starts, or helical threads.
The pitch is a crucial component of a screw’s threading system. Pitch is the distance from a given thread point to the corresponding point of the next thread on the same shaft. The pitch line is one element of pitch diameter. The pitch line, or lead, is a crucial dimension for the thread of a screw, as it controls the amount of thread that will advance during a single turn.

The pitch diameter of a screw shaft

When choosing the appropriate screw, it is important to know its pitch diameter and pitch line. The pitch line designates the distance between adjacent thread sides. The pitch diameter is also known as the mean area of the screw shaft. Both of these dimensions are important when choosing the correct screw. A screw with a pitch of 1/8 will have a mechanical advantage of 6.3. For more information, consult an application engineer at Roton.
The pitch diameter of a screw shaft is measured as the distance between the crest and the root of the thread. Threads that are too long or too short will not fit together in an assembly. To measure pitch, use a measuring tool with a metric scale. If the pitch is too small, it will cause the screw to loosen or get stuck. Increasing the pitch will prevent this problem. As a result, screw diameter is critical.
The pitch diameter of a screw shaft is measured from the crest of one thread to the corresponding point on the next thread. Measurement is made from one thread to another, which is then measured using the pitch. Alternatively, the pitch diameter can be approximated by averaging the major and minor diameters. In most cases, the pitch diameter of a screw shaft is equal to the difference between the two.

The thread depth of a screw shaft

Often referred to as the major diameter, the thread depth is the outermost diameter of the screw. To measure the thread depth of a screw, use a steel rule, micrometer, or caliper. In general, the first number in the thread designation indicates the major diameter of the thread. If a section of the screw is worn, the thread depth will be smaller, and vice versa. Therefore, it is good practice to measure the section of the screw that receives the least amount of use.
In screw manufacturing, the thread depth is measured from the crest of the screw to the root. The pitch diameter is halfway between the major and minor diameters. The lead diameter represents the amount of linear distance traveled in one revolution. As the lead increases, the load capacity decreases. This measurement is primarily used in the construction of screws. However, it should not be used for precision machines. The thread depth of a screw shaft is essential for achieving accurate screw installation.
To measure the thread depth of a screw shaft, the manufacturer must first determine how much material the thread is exposed to. If the thread is exposed to side loads, it can cause the nut to wedge. Because the nut will be side loaded, its thread flanks will contact the nut. The less clearance between the nut and the screw, the lower the clearance between the nut and the screw. However, if the thread is centralized, there is no risk of the nut wedgeing.
screwshaft

The lead of a screw shaft

Pitch and lead are two measurements of a screw’s linear distance per turn. They’re often used interchangeably, but their definitions are not the same. The difference between them lies in the axial distance between adjacent threads. For single-start screws, the pitch is equal to the lead, while the lead of a multi-start screw is greater than the pitch. This difference is often referred to as backlash.
There are two ways to calculate the pitch and lead of a screw. For single-start screws, the lead and pitch are equal. Multiple-start screws, on the other hand, have multiple starts. The pitch of a multiple-start screw is the same as its lead, but with two or more threads running the length of the screw shaft. A square-thread screw is a better choice in applications requiring high load-bearing capacity and minimal friction losses.
The PV curve defines the safe operating limits of lead screw assemblies. It describes the inverse relationship between contact surface pressure and sliding velocity. As the load increases, the lead screw assembly must slow down in order to prevent irreversible damage from frictional heat. Furthermore, a lead screw assembly with a polymer nut must reduce rpm as the load increases. The more speed, the lower the load capacity. But, the PV factor must be below the maximum allowed value of the material used to make the screw shaft.

The thread angle of a screw shaft

The angle between the axes of a thread and the helix of a thread is called the thread angle. A unified thread has a 60-degree angle in all directions. Screws can have either a tapped hole or a captive screw. The screw pitch is measured in millimeters (mm) and is usually equal to the screw major diameter. In most cases, the thread angle will be equal to 60-degrees.
Screws with different angles have various degrees of thread. Originally, this was a problem because of the inconsistency in the threading. However, Sellers’s thread was easier to manufacture and was soon adopted as a standard throughout the United States. The United States government began to adopt this thread standard in the mid-1800s, and several influential corporations in the railroad industry endorsed it. The resulting standard is called the United States Standard thread, and it became part of the ASA’s Vol. 1 publication.
There are two types of screw threads: coarse and fine. The latter is easier to tighten and achieves tension at lower torques. On the other hand, the coarse thread is deeper than the fine one, making it easier to apply torque to the screw. The thread angle of a screw shaft will vary from bolt to bolt, but they will both fit in the same screw. This makes it easier to select the correct screw.
screwshaft

The tapped hole (or nut) into which the screw fits

A screw can be re-threaded without having to replace it altogether. The process is different than that of a standard bolt, because it requires threading and tapping. The size of a screw is typically specified by its major and minor diameters, which is the inside distance between threads. The thread pitch, which is the distance between each thread, is also specified. Thread pitch is often expressed in threads per inch.
Screws and bolts have different thread pitches. A coarse thread has fewer threads per inch and a longer distance between threads. It is therefore larger in diameter and longer than the material it is screwed into. A coarse thread is often designated with an “A” or “B” letter. The latter is generally used in smaller-scale metalworking applications. The class of threading is called a “threaded hole” and is designated by a letter.
A tapped hole is often a complication. There is a wide range of variations between the sizes of threaded holes and nut threads, so the tapped hole is a critical dimension in many applications. However, even if you choose a threaded screw that meets the requisite tolerance, there may be a mismatch in the thread pitch. This can prevent the screw from freely rotating.

China best Plastic Extrusion Machine Extruder Double Screw screw shaft cad
editor by CX 2023-11-22

China Best Sales CZPT Masterbatch Compound Granulator Twin Screw Extruder Gearbox screw drill shaft

Product Description

zhitian Masterbatch Compound Granulator Twin Screw Extruder gearbox

SHTDN Twin Screw Extruder Gearbox Introduction

Twin Screw Gearbox adopting latest standard ISO1328,the precision of cylindrical gear of spherical involute, and combining our long term experience and specialty of twin screw extruder, SHTDN gearboxes are meticulously designed with top advanced designing ideas in the world for co-orientated rotating twin screw extruder, with entirely independent Intellectual Property Rights.
The gears are made of carburizing steel of high-strength alloy of good quality by carburizing and quenching for teeth, of which all the gear grinding processes are finished by imported gear grinding machines. Gear parameters are optimized and specially designed for the characteristics of twin screw extruder, reducing stress concentration on root of gear and improving gear surface conditions. We have improved gear intension of flexural fatigue, fatigue strength and ratio of wide diameter. We have also adopted the latest designing idea and technology of heating treatment for the structure of gears, thereby ensured gears from uniformity of precision and strength.

Features:

—-Double drive design enables the B axis to be driven by 2 gears without increasing the tooth width.

—-Optimal structure and complex assembly lead to the cost rise.

—-All bearings are sourced from global recognized brands,so output torque is more stable.

—Streamlined design,the end of gearbox cover can be opened,easy to install and replace.

SHTDN Twin Screw Extruder Gearbox Parameters

SHTDN Gearbox Power&Torque Table
Model	CD(MM)	Torque Grade(T/A3)	RPM 300r/min	RPM 400r/min	RPM 500r/min	RPM 600r/min	RPM 800r/min	RPM 900r/min
SHTD20N	18	<13	—	—	—	7.5kw	11kw	—
SHTD25N	22	<13	—	—	11kw	15kw	18.5kw	22kw
SHTD30N	26	<13	—	—	—	22kw	30kw	37kw
SHTD35N	30	<13	18.5kw	22kw	30kw	37kw	50kw	60kw
SHTD40N	34.5	<13	30kw	45kw	55kw	65kw	90kw	90kw
SHTD50N	42	<13	55kw	75kw	90kw	110kw	132kw	160kw
SHTD52N	43	<13	55kw	75kw	90kw	110kw	132kw	160kw
SHTD58N	48	<13	90kw	110kw	132kw	160kw	220kw	250kw
SHTD65N	52	<13	110kw	132kw	160kw	220kw	280kw	315kw
SHTD75N	60	<13	160kw	220kw	250kw	315kw	450kw	500kw
SHTD85N	67.8	<13	220kw	315kw	400kw	500kw	600kw	650kw
SHTD95N	78	<13	350kw	450kw	550kw	650kw	900kw	1000kw
SHTD110N	92	<13	560kw	710kw	900kw	1000kw	—	—
SHTD125N	100	<13	800kw	1000kw	1250kw	1400kw	—	—
SHTD135N	110	<13	1000kw	1400kw	1600kw	2000kw	—	—
SHTD150N	120	<13	1320kw	1750kw	—	—	—	—

Production Process

Packing&Delivery

Packing Details: According to your order quantity packaging,shipping wooden boxes,air carton.

Delivery Details: 5-60days after order.

1.Rust-proof oil processing,

Prevent rust in transit.

2.Oiled paper packages,

Prevent oil dry.

3.Bubble wrap package,

Prevent collosions.

4.Special foam packaging.

5.Packing

6.Sealing

Our Service

24-hour Hotline

No matter when and where

to call we can find our service to you.

Pre-sales Consultation

We have 5 sales people online,

and whether you have any question

can be solved through online

communication,welcome your consultation.

After-sales Services

Receive products have any

questions about the product,

can look for us,we will help

you deal with the the first time,to your satisfaction.

All ZT keep pay attention to every step of the details,We are looking forward to the forge ahead together with you!

FAQ

How long does it take to get my products since I paid for them?

—According to yout order quantity,we will give you a reasonable delivery date.

Can I get the warranty of 1 year for free?

—If you need the warranty,you should pay for it.If not,do not worry ,we have confidence in our products.

How is your after-sale service?

—You will get our help in time as long as you find something wrong about our produces.Believe us,you deserve the best.

How long will your product last?

—I am sorry that I can not accurately answer your question,which is quite different from your operation time,materials and materials.

Application:	Machinery
Function:	Speed Reduction
Layout:	Double Drive Gearbox
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Step:	Three-Step

Customization:	Available \| Customized Request

screwshaft

Screws and Screw Shafts

Machined screw shaft

Ball screw nut

Self-locking property of screw shaft

Materials used to manufacture screw shaft

China Best Sales CZPT Masterbatch Compound Granulator Twin Screw Extruder Gearbox screw drill shaft
editor by CX 2023-11-07

China HB Machinery 1500mm automatic PE Stretch film pallet wrapping machine with four shaft winder twin screw extruder shaft

Condition: New
Plastic Processed: PE
Application: Film
Screw Design: Single-screw
Screw Material: high quality alloy steel
Screw diameter (mm): 125 mm
Screw L/D Ratio: 32:1
Screw Speed (rpm): 60 rpm
Showroom Location: Egypt, Turkey, United States, Viet Nam, Brazil, Peru, Indonesia, Pakistan, India, Mexico, Russia, agricultural machinery parts PLUG for CZPT combine harvester Thailand, Chile, UAE, Colombia, Sri Lanka, Uzbekistan, Malaysia
Voltage: 220V
Dimension(L*W*H): 25*16*5.5m
Weight: 75000 KG
Warranty: 1 Year
Key Selling Points: High Productivity
Applicable Industries: Manufacturing Plant, Food & Beverage Factory, Farms, Restaurant, Home Use, High quality 0.8 t 1t mini crawler excavator earthmoving mini shovel for sale Retail, Food Shop, Food & Beverage Shops
Video outgoing-inspection: Provided
Warranty of core components: 1 Year
Core Components: Bearing, Gear, PLC, Pressure vessel, Engine, Gearbox
Machinery Test Report: Provided
After-sales Service Provided: Engineers available to service machinery overseas
width of die: 3500mm
color: white, blue
certificate: ISO,CE
place of origin: ZheJiang , China
Automatic Grade: automatic
Power(W): 440KW
Marketing Type: Hot Product 2019
Packaging Details: in wooden box with waterproof
Port: ZheJiang

PE Stretch film pallet wrapping machine

This line is applied for producing single/double-side self-adhesive three-layer co-extruded stretch film by extruder with LLDPE and several kinds of resins.

Features of MachineWhole touch screen& Wintop Brand New Grain Moisture Meter coffee bean moisture analyzer Muti-Function Moisture Tester for Rice Wheat corn PLC control system, high line speed, low power consumption, high capacity, fully automatic die and thickness control system, robot operation, fully automatic paper core loading, finished roll change and unloading.

Characteristics of product
Its better tensile strength, puncture resistance and impact strengthIts good shrinking memory and self-adhesion can make goods integrity to prevent goods from loosening adn collapsing during transportation and being polluted by dustIts good transparency and extensibility can make the package beautiful, economical and practical.

Main applications of productThe film can be widely used in wrapping of palletized goods. It’s a good substitute for hot shrink packaging film in transportation.

Our fair customer:

Our factory:

screwshaft

Screws and Screw Shafts

Machined screw shaft

Ball screw nut

Self-locking property of screw shaft

Materials used to manufacture screw shaft

China HB Machinery 1500mm automatic PE Stretch film pallet wrapping machine with four shaft winder twin screw extruder shaft
editor by czh 2023-07-03

China Factory Custom CNC Machining Aluminum Shaft Collar With Set Screw screw shaft extruder

Condition: New
Warranty: 3 months
Applicable Industries: Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Construction works , Other
Weight (KG): 0.5
Showroom Location: Germany
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: Ordinary Product
Warranty of core components: 1 Year
Core Components: PLC, Engine, Bearing, Gearbox, Motor, Pressure vessel, Pump
Structure: Shaft Collar
Material: Aluminum, Stainless steel, metal, Aluminum
Coatings: Custom
Torque Capacity: Custom
Model Number: Custom
Service: OEM Customized Services
Process: Forging+machining+heating Treatment
Surface Treatment: Chrome Plating
Package: Customiaed
MOQ: 10pcs
Delivery time: 7-25days
Tolerance: 0.001
Size: Custom Dimension Acceptable
Standard: Custom Part
Packaging Details: protective packing

Product Type	CNC aluminum shaft collar parts machining ，Mechanical parts machining ，CNC machining
Surface Treatment	heat treatment
Processing Technology	CNC milling machining， Sandblast oxidation
Drawing Format	PDF,DWG, ASNU8 One Way 8x35x13 Bearing Support Required Backstop Clutch ASNU 8 Bearings step
_Application	Automotive, Automation, Test systems, Sensors, Medical, Sports, Consumer, Home appliance,Electronic, Pumps, Computers, Power andenergy, Architecture, Printing, Food, Textile machinery, Optical, Lighting, Security and safety, AC gear Motor TH-204-SG for electric valve with 4-5rpm high torque CZPT motor AOI, CZPT equipment, etc.
Package	protective packing
sample	7—10 days
Certificate	ISO,SGS
Production Capacity	30,000 pieces per month
Our Service	CNC Machining,Plastic Injection,Stamping,Die Casting,Silicone And Rubber,Aluminum Extrusion,Mould Making,etc

Manufacturing Technique Products display Q: How soon can I get a response after sending an inquiry?A: 1. In China, all inquiries, except bedtime, will be answered within 2 hours. Our phone is always on call. Q: What file formats are available for my product?A: 1. We can accept different formats, igs, step, stp, Truck Forged Drop Axle Spindle Trailer Parts Max OEM Steel Surface Drop Spindle For 7000 lbs Trailer Axles jpg.pdf, dwg, dxf, etc. 2. If you don’t have a prepared CAD file, we can accept scans of hand drawn designs.Q: What is your MOQ?A: We don’t have MOQ, you are welcome to test our quality and service by placing a trial order.Q: If I don’t have drawings, how can I get samples?A: If you don’t have drawings. You can send us your samples, we scan and do 2D and 3D drawings first, and then make samples for you.Q: How soon can I get the samples?A: Generally, samples will be sent within 7 days after both parties confirm the product drawings.Q: What are some common materials you use in your projects?A: Aluminum, Stainless Steel, Carbon Steel, Copper, Plastic, Titanium and PEEK

screwshaft

Screw Sizes and Their Uses

The major diameter of a screw shaft

The pitch diameter of a screw shaft

The thread depth of a screw shaft

The lead of a screw shaft

The thread angle of a screw shaft

The tapped hole (or nut) into which the screw fits

China Factory Custom CNC Machining Aluminum Shaft Collar With Set Screw screw shaft extruder
editor by czh 2023-06-27

China Customized Twin Extruder Screw Spare Parts Extruder Screw And Barrel For Extrusion 1/4 shaft collar with set screw

Condition: New
Material: W6Mo5Cr4V2/38CrMoAl
Weight (KG): 4
Spare Parts Type: machine parts
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Warranty: 3 months
Key Selling Points: Competitive Price
Applicable Industries: Manufacturing Plant, Food & Beverage Factory
Showroom Location: None
Product name: Twin Extruder Screw And Barrel For Extrusion
Application: Twin screw extruder
Screw Diameter: 62.4mm.71mm.93mm
Screw design: Screw segment
Hardness: HRC 50-62
Treatment: Nitrogon treatment
Packaging: Wooden case
Certificate: CE Certified
Key words: Twin Screw Element/spare Part For Extruder
MOQ: 10 Pcs
Packaging Details: WOODEN CASE PACKAGE
Port: HangZhou

Customized Twin Extruder Screw Spare Parts Extruder Screw And Barrel For Extrusion
Screw elements: Designed by modular principle. Precise processed, agile combination Self-cleaning,transmission,compounding.

Twin screw extruder screw element:
· convenient interchangeability by agile combination.
· fulfill efficient self-cleaning, High-end original Germany dunkermotoren electric dc door motor transmission, compounding, pressure-forming, etc.
· made of high tool speed W6Mo5Cr4V2, or anticorrosion steel 38CrMoAlA by special treatment.

Assembled together, they will become twin screw which are essential and key part of extruders for material to transmission, Bearing 20TAC47CSUHPN7C Angular Contact Ball Bearings 20TAC CZPT Ball Screw Bearing 20TAC47B shearing and plasticization.
Parameters

Model	Screw Major Diameter(D/mm)	Screw Major Diameter(D/mm)	D/d	Center distance(mm)
JY-65	62.4	40.4	1.54	52
JY-75	71	47	1.51	60
JY-95	93	61	1.51	78

We can also customize according to your requirements.
Detailed Images
Packaging & Shipping
Packaging: wooden case

Company InformationZheJiang Joyang Machinery Co., Ltd. is a professional supplier of food processing machines. Our company’s motto is :“ Service and quality are equally important”. We offer to cooperate with our customers for mutual and beneficial development. All inquiries are welcome.

We are located in HangZhou, the Capital of ZheJiang Province. ZheJiang Joyang Machinery Co., China boat trailer factory sale galvanized trailer Ltd.

Certifications

Contact us

screwshaft

Lead Screws and Clamp Style Collars

If you have a lead screw, you’re probably interested in learning about the Acme thread on this type of shaft. You might also be interested in finding out about the Clamp style collars and Ball screw nut. But before you buy a new screw, make sure you understand what the terminology means. Here are some examples of screw shafts:

Acme thread

The standard ACME thread on a screw shaft is made of a metal that is resistant to corrosion and wear. It is used in a variety of applications. An Acme thread is available in a variety of sizes and styles. General purpose Acme threads are not designed to handle external radial loads and are supported by a shaft bearing and linear guide. Their design is intended to minimize the risk of flank wedging, which can cause friction forces and wear. The Centralizing Acme thread standard caters to applications without radial support and allows the thread to come into contact before its flanks are exposed to radial loads.
The ACME thread was first developed in 1894 for machine tools. While the acme lead screw is still the most popular screw in the US, European machines use the Trapezoidal Thread (Metric Acme). The acme thread is a stronger and more resilient alternative to square threads. It is also easier to cut than square threads and can be cut by using a single-point threading die.
Similarly to the internal threads, the metric versions of Acme are similar to their American counterparts. The only difference is that the metric threads are generally wider and are used more frequently in industrial settings. However, the metric-based screw threads are more common than their American counterparts worldwide. In addition, the Acme thread on screw shafts is used most often on external gears. But there is still a small minority of screw shafts that are made with a metric thread.
ACME screws provide a variety of advantages to users, including self-lubrication and reduced wear and tear. They are also ideal for vertical applications, where a reduced frictional force is required. In addition, ACME screws are highly resistant to back-drive and minimize the risk of backlash. Furthermore, they can be easily checked with readily available thread gauges. So, if you’re looking for a quality ACME screw for your next industrial project, look no further than ACME.

Lead screw coatings

The properties of lead screw materials affect their efficiency. These materials have high anti-corrosion, thermal resistance, and self-lubrication properties, which eliminates the need for lubrication. These coating materials include polytetrafluoroethylene (PFE), polyether ether ketone (PEK), and Vespel. Other desirable properties include high tensile strength, corrosion resistance, and rigidity.
The most common materials for lead screws are carbon steel, stainless steel, and aluminum. Lead screw coatings can be PTFE-based to withstand harsh environments and remove oil and grease. In addition to preventing corrosion, lead screw coatings improve the life of polymer parts. Lead screw assembly manufacturers offer a variety of customization options for their lead screw, including custom-molded nuts, thread forms, and nut bodies.
Lead screws are typically measured in rpm, or revolutions per minute. The PV curve represents the inverse relationship between contact surface pressure and sliding velocity. This value is affected by the material used in the construction of the screw, lubrication conditions, and end fixity. The critical speed of lead screws is determined by their length and minor diameter. End fixity refers to the support for the screw and affects its rigidity and critical speed.
The primary purpose of lead screws is to enable smooth movement. To achieve this, lead screws are usually preloaded with axial load, enabling consistent contact between a screw’s filets and nuts. Lead screws are often used in linear motion control systems and feature a large area of sliding contact between male and female threads. Lead screws can be manually operated or mortised and are available in a variety of sizes and materials. The materials used for lead screws include stainless steel and bronze, which are often protected by a PTFE type coating.
These screws are made of various materials, including stainless steel, bronze, and various plastics. They are also made to meet specific requirements for environmental conditions. In addition to lead screws, they can be made of stainless steel, aluminum, and carbon steel. Surface coatings can improve the screw’s corrosion resistance, while making it more wear resistant in tough environments. A screw that is coated with PTFE will maintain its anti-corrosion properties even in tough environments.
screwshaft

Clamp style collars

The screw shaft clamp style collar is a basic machine component, which is attached to the shaft via multiple screws. These collars act as mechanical stops, load bearing faces, or load transfer points. Their simple design makes them easy to install. This article will discuss the pros and cons of this style of collar. Let’s look at what you need to know before choosing a screw shaft clamp style collar. Here are some things to keep in mind.
Clamp-style shaft collars are a versatile mounting option for shafts. They have a recessed screw that fully engages the thread for secure locking. Screw shaft clamp collars come in different styles and can be used in both drive and power transmission applications. Listed below are the main differences between these two styles of collars. They are compatible with all types of shafts and are able to handle axial loads of up to 5500 pounds.
Clamp-style shaft collars are designed to prevent the screw from accidentally damaging the shaft when tightened. They can be tightened with a set screw to counteract the initial clamping force and prevent the shaft from coming loose. However, when tightening the screw, you should use a torque wrench. Using a set screw to tighten a screw shaft collar can cause it to warp and reduce the surface area that contacts the shaft.
Another key advantage to Clamp-style shaft collars is that they are easy to install. Clamp-style collars are available in one-piece and two-piece designs. These collars lock around the shaft and are easy to remove and install. They are ideal for virtually any shaft and can be installed without removing any components. This type of collar is also recommended for those who work on machines with sensitive components. However, be aware that the higher the OD, the more difficult it is to install and remove the collar.
Screw shaft clamp style collars are usually one-piece. A two-piece collar is easier to install than a one-piece one. The two-piece collars provide a more effective clamping force, as they use the full seating torque. Two-piece collars have the added benefit of being easy to install because they require no tools to install. You can disassemble one-piece collars before installing a two-piece collar.
screwshaft

Ball screw nut

The proper installation of a ball screw nut requires that the nut be installed on the center of the screw shaft. The return tubes of the ball nut must be oriented upward so that the ball nut will not overtravel. The adjusting nut must be tightened against a spacer or spring washer, then the nut is placed on the screw shaft. The nut should be rotated several times in both directions to ensure that it is centered.
Ball screw nuts are typically manufactured with a wide range of preloads. Large preloads are used to increase the rigidity of a ball screw assembly and prevent backlash, the lost motion caused by a clearance between the ball and nut. Using a large amount of preload can lead to excessive heat generation. The most common preload for ball screw nuts is 1 to 3%. This is usually more than enough to prevent backlash, but a higher preload will increase torque requirements.
The diameter of a ball screw is measured from its center, called the ball circle diameter. This diameter represents the distance a ball will travel during one rotation of the screw shaft. A smaller diameter means that there are fewer balls to carry the load. Larger leads mean longer travels per revolution and higher speeds. However, this type of screw cannot carry a greater load capacity. Increasing the length of the ball nut is not practical, due to manufacturing constraints.
The most important component of a ball screw is a ball bearing. This prevents excessive friction between the ball and the nut, which is common in lead-screw and nut combinations. Some ball screws feature preloaded balls, which avoid “wiggle” between the nut and the ball. This is particularly desirable in applications with rapidly changing loads. When this is not possible, the ball screw will experience significant backlash.
A ball screw nut can be either single or multiple circuits. Single or multiple-circuit ball nuts can be configured with one or two independent closed paths. Multi-circuit ball nuts have two or more circuits, making them more suitable for heavier loads. Depending on the application, a ball screw nut can be used for small clearance assemblies and compact sizes. In some cases, end caps and deflectors may be used to feed the balls back to their original position.

China Customized Twin Extruder Screw Spare Parts Extruder Screw And Barrel For Extrusion 1/4 shaft collar with set screw
editor by czh 2023-06-27

China High Torque Twin Screw Extruder Shat Tex54 Extruder Shaft Wr15e Material threaded arbor shaft

Solution Description

Large Torque Twin Screw Extruder Shat TEX54 Extruder Shaft WR15E Material

Desigend for substantial-stop consumers of twin screw extruders: Large Torque, Large Power, Higher Precision Extruder Shaft

Creation description:

Item title	Twin screw shaft	manufacturer title	JOINER
Design number	TEX54	Substance	WR15E WR30 40CrNiMo
Spline kind	involute internal spline	Area of unique	ZheJiang , China
Size	Dia 10-120mm/ L 500-900mm	Screw mixture	Brick patern construction
Construction	With or with no cooling program	L/D	forty:1 / 44:1 / forty eight:one

As the twin screw extruder moves towards high pace and higher torque, increased requirements are put on the strength (especially thermal power) and precision of the twin screw extruder shaft, Via in depth analysis and painstaking analysis, our company adopts impots impoted pre-hard alloy tool metal from Germany. The spline processing adopts cold rolling processing of imported CNC products type Europe. The goods have been tested by consumers and fully fulfill the overall performance high quality specifications of comparable imported high finish products.

Chilly Rolling Shaft Creation Products

We manufacture screw shafts for co-rotating twin screw extruders ranging from 10 mm to 120 mm /Length five hundred-900mm and more than. With cooling system /without cooling method. Our production specializes in shafts for twin screw extruders and is optimized for flexible order managing.

Sorts of shaft:

One keyway Square keyslot High torque crucial button Dual keyslot

Involute inner spline Round keyslot Retackle spline Client demands offered

Content choice:

WR15E WR30 40CrNiMo

Ralloy WR15E	WR30	40CrNiMo
Ralloy WR15E is a chromium-molybdenum-vanadium-slloyed steel which is characterised by:	Ralloy WR30 is a high pressure nitriding iron-based Cr-Mo alloy Which is characterised by	40CrNiMo i a sort of alloy constructional steel.
Excellent tensile strength merged with great toughness	Superior corrosion resistance
High thermal balance, high resistant to thermal shocks	Excellent machinablity
Good large-temperature toughness	High dimensional stablity after heat remedy.
Good machinability and polishablity	Excellent grinding and sharpening capability to obtain optimum surface high quality
Exceptional by way of-hardening properties	High toughness by maximun hardness underneath static and dynamic demands
Good dimensional security during hardening.	Good wear resistance
	High mood resistance up to 500 °C

Packaging and Delivery

Packaging Details: Picket Situation,Sea-deserving or export standard.
Port: HangZhou
Lead time: forty-fifty days right after buy affirmation.

FRQ
1. Q: Are you a factory or trading company?
—-A: A manufacturing unit
2. Q: Where is your factory located? How can I visit there?
—–A: Our factory is located in HangZhou, ZheJiang Province, China,
one) You can fly to HangZhou Airport directly. We will pick you up when you arrive in the airport
All our clients, from domestic or abroad, are warmly welcome to visit us!

3.Q: What makes you different with others?
—-A: 1) Our Excellent Service
For a quick, no hassle quote just send email to us
We promise to reply with a price within 24 hours – sometimes even within the hour.
If you need an advice, just call our export office at 571 87226313, we will answer your questions immediately.
two) Our quick manufacturing time
For Normal orders, we will promise to produce within 30 working days.
As a manufacturer, we can ensure the delivery time according to the formal contract.

4.Q: How about the delivery time?
—-A: This depends on the product. Typically standard products are delivered within 30 days.

Q: What is the term of payment?
—-A: 1) T/T payment 2) LC

6.Q: May I know the status of my order?
—-A: Yes .We will send you information and photos at different production stage of your order. You will get the latest information in time.

US $300-2,000
/ Piece
| 10 Pieces

(Min. Order)

###

Transport Package:	Wood
Trademark:	JOINER
Origin:	Sichuan

###

Samples:	US$ 500/Piece 1 Piece(Min.Order) \| Request Sample

###

Customization:	Available \| Customized Request

###

Product name	Twin screw shaft	brand name	JOINER
Model number	TEX54	Material	WR15E WR30 40CrNiMo
Spline type	involute inner spline	Place of original	Sichuan, China
Size	Dia 10-120mm/ L 500-900mm	Screw combination	Brick patern construction
Construction	With or without cooling system	L/D	40:1 / 44:1 / 48:1

###

High Torque Twin Screw Extruder Shat Tex54 Extruder Shaft Wr15e Material

###

Ralloy WR15E	WR30	40CrNiMo
Ralloy WR15E is a chromium-molybdenum-vanadium-slloyed steel which is characterized by:	Ralloy WR30 is a high pressure nitriding iron-based Cr-Mo alloy Which is characterized by	40CrNiMo i a kind of alloy constructional steel.
Excellent tensile strength combined with good toughness	Superior corrosion resistance
High thermal stability, high resistant to thermal shocks	Excellent machinablity
Good high-temperature strength	High dimensional stablity after heat treatment.
Good machinability and polishablity	Excellent grinding and polishing ability to obtain optimal surface quality
Excellent through-hardening properties	High durability by maximun hardness under static and dynamic demands
Good dimensional stability during hardening.	Good wear resistance
	High temper resistance up to 500 °C

US $300-2,000
/ Piece
| 10 Pieces

(Min. Order)

###

Transport Package:	Wood
Trademark:	JOINER
Origin:	Sichuan

###

Samples:	US$ 500/Piece 1 Piece(Min.Order) \| Request Sample

###

Customization:	Available \| Customized Request

###

Product name	Twin screw shaft	brand name	JOINER
Model number	TEX54	Material	WR15E WR30 40CrNiMo
Spline type	involute inner spline	Place of original	Sichuan, China
Size	Dia 10-120mm/ L 500-900mm	Screw combination	Brick patern construction
Construction	With or without cooling system	L/D	40:1 / 44:1 / 48:1

###

Ralloy WR15E	WR30	40CrNiMo
Ralloy WR15E is a chromium-molybdenum-vanadium-slloyed steel which is characterized by:	Ralloy WR30 is a high pressure nitriding iron-based Cr-Mo alloy Which is characterized by	40CrNiMo i a kind of alloy constructional steel.
Excellent tensile strength combined with good toughness	Superior corrosion resistance
High thermal stability, high resistant to thermal shocks	Excellent machinablity
Good high-temperature strength	High dimensional stablity after heat treatment.
Good machinability and polishablity	Excellent grinding and polishing ability to obtain optimal surface quality
Excellent through-hardening properties	High durability by maximun hardness under static and dynamic demands
Good dimensional stability during hardening.	Good wear resistance
	High temper resistance up to 500 °C

Lead Screws and Clamp Style Collars

Acme thread

Lead screw coatings

Clamp style collars

Ball screw nut

China High Torque Twin Screw Extruder Shat Tex54 Extruder Shaft Wr15e Material threaded arbor shaft
editor by czh 2022-12-20

China Shaft for Sts75 Twin Screw Extruder Made by Joiner Machinery screw conveyor end shaft

Merchandise Description

We manufacture screw shafts for co-rotating twin screw extruders ranging from 10 mm to 120 mm and more than. Our production specializes in shafts for twin screw extruders and is optimized for flexible order managing.

Co-rotating twin screw shafts for
-APV        -KOBE           -OMC
-Buhler      -KraussMaffei      -Theysohn
-Buss       -Berstorff-          -Toshiba
-Clextral     -Labtech          -USEON
-Lantai          – other people
-JSW        -Leistritz
-Keya        -Maris

Sorts of  shaft
* Solitary Keyway                  * Square Keyslot          *Substantial torque important button       * Twin keyslot
* Involute inner spline         * Round keyslot           *Retackle spline              * Client’s specifications available

We offer a broader option of substance
Substance:
– Structural alloy steel 40CrNiMo
– PM-HIP Alloy Steel WR15E
– PM-HIP Alloy Metal WR30

Enclosed WR15E substance particulars

Chemical composition

	C	Si	Mn	Cr	Mo	V
W-%	.40	one.00	.fifty	five.00	one.60	1.00

By functioning closely with clients in picking optional resources,we can reduce wear and tear and associated costs.

Materials qualities

Our Manufacturing Plant

FRQ

one. Q: Are you a factory or investing business?
—-A: A factory
2. Q: The place is your manufacturing unit found? How can I visit there?
—–A: Our manufacturing unit is positioned in HangZhou, ZheJiang Province, China,
one) You can fly to HangZhou Airport directly. We will choose you up when you arrive in the airport
All our clientele, from domestic or overseas, are warmly welcome to pay a visit to us!

three.Q: What can make you different with others?
—-A: 1) Our Excellent Service
For a quick, no headache quote just send out email to us
We promise to reply with a price in 24 several hours – sometimes even in the hour.

2) Our quick production time
For Normal orders, we will guarantee to generate in thirty functioning times.
As a manufacturer, we can ensure the shipping time in accordance to the official deal.

4.Q: How about the shipping and delivery time?
—-A: This relies upon on the merchandise. Typically standard goods are sent in 30 days.

Q: What is the expression of payment?
—-A: 1) T/T payment 2) LC

six.Q: May I know the standing of my purchase?
—-A: Sure .We will ship you data and photographs at distinct generation phase of your purchase. You will get the most current details in time.

US $100-600
/ Piece
| 1 Piece

(Min. Order)

###

Transport Package:	Wood
Trademark:	JOINER
Origin:	Sichuan

###

Samples:	US$ 500/Piece 1 Piece(Min.Order) \| Request Sample

###

Customization:	Available \| Customized Request

###

	C	Si	Mn	Cr	Mo	V
W-%	0.40	1.00	0.50	5.00	1.60	1.00

US $100-600
/ Piece
| 1 Piece

(Min. Order)

###

Transport Package:	Wood
Trademark:	JOINER
Origin:	Sichuan

###

Samples:	US$ 500/Piece 1 Piece(Min.Order) \| Request Sample

###

Customization:	Available \| Customized Request

###

	C	Si	Mn	Cr	Mo	V
W-%	0.40	1.00	0.50	5.00	1.60	1.00

Screw Shaft Types and Uses

Various uses for the screw shaft are numerous. Its major diameter is the most significant characteristic, while other aspects include material and function are important. Let us explore these topics in more detail. There are many different types of screw shafts, which include bronze, brass, titanium, and stainless steel. Read on to learn about the most common types. Listed below are some of the most common uses for a screw shaft. These include: C-clamps, screw jacks, vises, and more.
screwshaft

Major diameter of a screw shaft

A screw’s major diameter is measured in fractions of an inch. This measurement is commonly found on the screw label. A screw with a major diameter less than 1/4″ is labeled #0 to #14; those with a larger diameter are labeled fractions of an inch in a corresponding decimal scale. The length of a screw, also known as the shaft, is another measure used for the screw.
The major diameter of a screw shaft is the greater of its two outer diameters. When determining the major diameter of a screw, use a caliper, micrometer, or steel rule to make an accurate measurement. Generally, the first number in the thread designation refers to the major diameter. Therefore, if a screw has a thread of 1/2-10 Acme, the major diameter of the thread is.500 inches. The major diameter of the screw shaft will be smaller or larger than the original diameter, so it’s a good idea to measure the section of the screw that’s least used.
Another important measurement is the pitch. This measures the distance between one thread’s tip and the next thread’s corresponding point. Pitch is an important measurement because it refers to the distance a screw will advance in one turn. While lead and pitch are two separate concepts, they are often used interchangeably. As such, it’s important to know how to use them properly. This will make it easier to understand how to select the correct screw.
There are three different types of threads. The UTS and ISO metric threads are similar, but their common values for Dmaj and Pmaj are different. A screw’s major diameter is the largest diameter, while the minor diameter is the lowest. A nut’s major diameter, or the minor diameter, is also called the nut’s inside diameter. A bolt’s major diameter and minor diameter are measured with go/no-go gauges or by using an optical comparator.
The British Association and American Society of Mechanical Engineers standardized screw threads in the 1840s. A standard named “British Standard Whitworth” became a common standard for screw threads in the United States through the 1860s. In 1864, William Sellers proposed a new standard that simplified the Whitworth thread and had a 55 degree angle at the tip. Both standards were widely accepted. The major diameter of a screw shaft can vary from one manufacturer to another, so it’s important to know what size screw you’re looking for.
In addition to the thread angle, a screw’s major diameter determines the features it has and how it should be used. A screw’s point, or “thread”, is usually spiky and used to drill into an object. A flat tipped screw, on the other hand, is flat and requires a pre-drilled hole for installation. Finally, the diameter of a screw bolt is determined by the major and minor diameters.
screwshaft

Material of a screw shaft

A screw shaft is a piece of machine equipment used to move raw materials. The screw shaft typically comprises a raw material w. For a particular screw to function correctly, the raw material must be sized properly. In general, screw shafts should have an axial-direction length L equal to the moving amount k per 1/2 rotation of the screw. The screw shaft must also have a proper contact angle ph1 in order to prevent raw material from penetrating the screw shaft.
The material used for the shaft depends on its application. A screw with a ball bearing will work better with a steel shaft than one made of aluminum. Aluminum screw shafts are the most commonly used for this application. Other materials include titanium. Some manufacturers also prefer stainless steel. However, if you want a screw with a more modern appearance, a titanium shaft is the way to go. In addition to that, screws with a chromium finish have better wear resistance.
The material of a screw shaft is important for a variety of applications. It needs to have high precision threads and ridges to perform its function. Manufacturers often use high-precision CNC machines and lathes to create screw shafts. Different screw shafts can have varying sizes and shapes, and each one will have different applications. Listed below are the different materials used for screw shafts. If you’re looking for a high-quality screw shaft, you should shop around.
A lead screw has an inverse relationship between contact surface pressure and sliding velocity. For heavier axial loads, a reduced rotation speed is needed. This curve will vary depending on the material used for the screw shaft and its lubrication conditions. Another important factor is end fixity. The material of a screw shaft can be either fixed or free, so make sure to consider this factor when choosing the material of your screw. The latter can also influence the critical speed and rigidity of the screw.
A screw shaft’s major diameter is the distance between the outer edge of the thread and the inner smooth part. Screw shafts are typically between two and sixteen millimeters in diameter. They feature a cylindrical shape, a pointy tip, and a wider head and drive than the former. There are two basic types of screw heads: threaded and non-threaded. These have different properties and purposes.
Lead screws are a cost-effective alternative to ball screws, and are used for low power and light to medium-duty applications. They offer some advantages, but are not recommended for continuous power transmission. But lead screws are often quieter and smaller, which make them useful for many applications. Besides, they are often used in a kinematic pair with a nut object. They are also used to position objects.
screwshaft

Function of a screw shaft

When choosing a screw for a linear motion system, there are many factors that should be considered, such as the position of the actuator and the screw and nut selection. Other considerations include the overall length of travel, the fastest move profile, the duty cycle, and the repeatability of the system. As a result, screw technology plays a critical role in the overall performance of a system. Here are the key factors to consider when choosing a screw.
Screws are designed with an external threading that digs out material from a surface or object. Not all screw shafts have complete threading, however. These are known as partially threaded screws. Fully threaded screws feature complete external threading on the shaft and a pointed tip. In addition to their use as fasteners, they can be used to secure and tighten many different types of objects and appliances.
Another factor to consider is axial force. The higher the force, the bigger the screw needs to be. Moreover, screws are similar to columns that are subject to both tension and compression loads. During the compression load, bowing or deflection is not desirable, so the integrity of the screw is important. So, consider the design considerations of your screw shaft and choose accordingly. You can also increase the torque by using different shaft sizes.
Shaft collars are also an important consideration. These are used to secure and position components on the shaft. They also act as stroke limiters and to retain sprocket hubs, bearings, and shaft protectors. They are available in several different styles. In addition to single and double split shaft collars, they can be threaded or set screw. To ensure that a screw collar will fit tightly to the shaft, the cap must not be overtightened.
Screws can be cylindrical or conical and vary in length and diameter. They feature a thread that mates with a complementary helix in the material being screwed into. A self-tapping screw will create a complementary helix during driving, creating a complementary helix that allows the screw to work with the material. A screw head is also an essential part of a screw, providing gripping power and compression to the screw.
A screw’s pitch and lead are also important parameters to consider. The pitch of the screw is the distance between the crests of the threads, which increases mechanical advantage. If the pitch is too small, vibrations will occur. If the pitch is too small, the screw may cause excessive wear and tear on the machine and void its intended purpose. The screw will be useless if it can’t be adjusted. And if it can’t fit a shaft with the required diameter, then it isn’t a good choice.
Despite being the most common type, there are various types of screws that differ in their functions. For example, a machine screw has a round head, while a truss head has a lower-profile dome. An oval-its point screw is a good choice for situations where the screw needs to be adjusted frequently. Another type is a soft nylon tip, which looks like a Half-dog point. It is used to grip textured or curved surfaces.

China Shaft for Sts75 Twin Screw Extruder Made by Joiner Machinery screw conveyor end shaft
editor by czh 2022-12-19

China Screw Shafts for Coperon Twin Screw Extruder twin screw extruder shaft

Product Description

WR15E Abrasion Resistance Twin Screw Shaft Diameter 10 – 120mm HRC44 Hardness

Generation description:

Item name	Twin screw shaft	Manufacturer title	JOINER
Product amount	ZK125	Content	WR15E WR30 40CrNiMo
Spline variety	involute inner spline	Location of first	ZheJiang , China
Size	Dia ten-120mm/ L 500-900mm	Screw mix	Brick patern building
Development	With or with no cooling technique	LD	36:1 forty:1 forty four:1 48:1
Hardness	HRC44
Area remedy	vacuum quenching
Certification	ISO9001 2015
Application	Plastic industry Wood plastic inflated Meals powder coating
For what equipment	Plastic Wooden Foodstuff Twin Extruder device
shaft for	APV KOBE OMC Buhler KraussMaffei Theysohn Buss Berstorff Toshiba Clextral Labtech USEON Coperon Lantai others JSW Leistritz Keya Maris
Our strengths	Competitive charges for each unit of manufacturing Rapidly flip round for collection and delivery on refurbished components Areas offered from stock for a wide assortment of extruder tends to make Thorough inspection procedure on all areas prior to dispatch A time established high quality service Most recent manufacturing tactics and metallurgy, making certain steady and reputable functionality of parts Tailored options to meet specific wants.

We manufacture screw shafts for co-rotating twin screw extruders ranging from 10 mm to 120 mm /Size 500-900mm and over. With cooling system /with no cooling method. Our producing specializes in shafts for twin screw extruders and is optimized for flexible get dealing with.

Varieties of shaft:

Single keyway Square keyslot High torque crucial button Dual keyslot

Involute internal spline Round keyslot Retackle spline Client needs available

Materials

WR15E WR30 40CrNiMo

About our Business

Joiner Machinery Co.,Ltd has several a long time knowledge in the manufacture and supply of new and refurbished dress in areas for all main helps make of twin-screw extruders and the Industries associated in plastics sector, chemical market, powder coating, food food sector, wood plastic etc..
By way of near functioning relationships with our clients we have been CZPT to fulfill their needs. Adaptability enables us to layout and manufacture standard and bespoke factors for distinctive purposes.
Through our extremely skilled and seasoned workers we are CZPT to offer technological assist and guidance.
Our strengths are dependent on numerous years encounter supplying the following:
* Aggressive fees for every device of production
* Quickly turn round for selection and shipping on refurbished parts
* Components offered from stock for a wide assortment of extruder makes
* Thorough inspection treatment on all components prior to dispatch
* A time proven high quality service
* Most recent producing strategies and metallurgy, guaranteeing regular and trustworthy efficiency of parts
* Customized solutions to fulfill particular requirements.

Why decide on us?

Packaging Delivery

Packaging Specifics: Wood circumstance, Sea-worthy or export standard.
Port: HangZhou
Direct time: forty-50 days following purchase confirmation.

FAQ

Q: Are you investing firm or manufacturer ?

A: We are manufacturing unit.

Q: Exactly where is your manufacturing unit located? How can I visit there?

A: Our manufacturing facility is situated in HangZhou, ZheJiang Province, China, 1) You can fly to

HangZhou Airport right. We will choose you up when you arrive in the airport All our clients,

from domestic or abroad, are warmly welcome to check out us

Q: What makes you distinct with other people?

A: 1) Our Excellent Service For a quick, no trouble quote just deliver electronic mail to us We

guarantee to reply with a price in 24 hrs – sometimes even inside of the hour. If you

require an tips, just contact our export workplace, we will solution your

concerns instantly. 2) Our fast manufacturing time For Typical orders, we will

guarantee to generate inside 30 working times. As a manufacturer, we can make sure the shipping and delivery time in accordance to the formal agreement.

Q: What is your phrases of payment ?

A: 1) T/T payment 2) LC

US $500-1,000
/ Piece
| 10 Pieces

(Min. Order)

###

Transport Package:	Wood
Trademark:	JOINER
Origin:	Sichuan

###

Samples:	US$ 500/Piece 1 Piece(Min.Order) \| Request Sample

###

Customization:	Available \| Customized Request

###

Product name	Twin screw shaft	Brand name	JOINER
Model number	ZK125	Material	WR15E WR30 40CrNiMo
Spline type	involute inner spline	Place of original	Sichuan, China
Size	Dia 10-120mm/ L 500-900mm	Screw combination	Brick patern construction
Construction	With or without cooling system	LD	36:1 40:1 44:1 48:1
Hardness	HRC44
Surface treatment	vacuum quenching
Certification	ISO9001 2015
Application	Plastic industry Wood plastic inflated Food powder coating
For what machine	Plastic Wood Food Twin Extruder machine
shaft for	APV KOBE OMC Buhler KraussMaffei Theysohn Buss Berstorff Toshiba Clextral Labtech USEON Coperon Lantai others JSW Leistritz Keya Maris
Our strengths	Competitive costs per unit of production Fast turn round for collection and delivery on refurbished parts Parts available from stock for a wide range of extruder makes Comprehensive inspection procedure on all parts prior to dispatch A time proven quality service Latest manufacturing techniques and metallurgy, ensuring consistent and reliable performance of parts Customized solutions to meet specific needs.

US $500-1,000
/ Piece
| 10 Pieces

(Min. Order)

###

Transport Package:	Wood
Trademark:	JOINER
Origin:	Sichuan

###

Samples:	US$ 500/Piece 1 Piece(Min.Order) \| Request Sample

###

Customization:	Available \| Customized Request

###

Product name	Twin screw shaft	Brand name	JOINER
Model number	ZK125	Material	WR15E WR30 40CrNiMo
Spline type	involute inner spline	Place of original	Sichuan, China
Size	Dia 10-120mm/ L 500-900mm	Screw combination	Brick patern construction
Construction	With or without cooling system	LD	36:1 40:1 44:1 48:1
Hardness	HRC44
Surface treatment	vacuum quenching
Certification	ISO9001 2015
Application	Plastic industry Wood plastic inflated Food powder coating
For what machine	Plastic Wood Food Twin Extruder machine
shaft for	APV KOBE OMC Buhler KraussMaffei Theysohn Buss Berstorff Toshiba Clextral Labtech USEON Coperon Lantai others JSW Leistritz Keya Maris
Our strengths	Competitive costs per unit of production Fast turn round for collection and delivery on refurbished parts Parts available from stock for a wide range of extruder makes Comprehensive inspection procedure on all parts prior to dispatch A time proven quality service Latest manufacturing techniques and metallurgy, ensuring consistent and reliable performance of parts Customized solutions to meet specific needs.

What Are Screw Shaft Threads?

A screw shaft is a threaded part used to fasten other components. The threads on a screw shaft are often described by their Coefficient of Friction, which describes how much friction is present between the mating surfaces. This article discusses these characteristics as well as the Material and Helix angle. You’ll have a better understanding of your screw shaft’s threads after reading this article. Here are some examples. Once you understand these details, you’ll be able to select the best screw nut for your needs.
screwshaft

Coefficient of friction between the mating surfaces of a nut and a screw shaft

There are two types of friction coefficients. Dynamic friction and static friction. The latter refers to the amount of friction a nut has to resist an opposing motion. In addition to the material strength, a higher coefficient of friction can cause stick-slip. This can lead to intermittent running behavior and loud squeaking. Stick-slip may lead to a malfunctioning plain bearing. Rough shafts can be used to improve this condition.
The two types of friction coefficients are related to the applied force. When applying force, the applied force must equal the nut’s pitch diameter. When the screw shaft is tightened, the force may be removed. In the case of a loosening clamp, the applied force is smaller than the bolt’s pitch diameter. Therefore, the higher the property class of the bolt, the lower the coefficient of friction.
In most cases, the screwface coefficient of friction is lower than the nut face. This is because of zinc plating on the joint surface. Moreover, power screws are commonly used in the aerospace industry. Whether or not they are power screws, they are typically made of carbon steel, alloy steel, or stainless steel. They are often used in conjunction with bronze or plastic nuts, which are preferred in higher-duty applications. These screws often require no holding brakes and are extremely easy to use in many applications.
The coefficient of friction between the mating surfaces of t-screws is highly dependent on the material of the screw and the nut. For example, screws with internal lubricated plastic nuts use bearing-grade bronze nuts. These nuts are usually used on carbon steel screws, but can be used with stainless steel screws. In addition to this, they are easy to clean.

Helix angle

In most applications, the helix angle of a screw shaft is an important factor for torque calculation. There are two types of helix angle: right and left hand. The right hand screw is usually smaller than the left hand one. The left hand screw is larger than the right hand screw. However, there are some exceptions to the rule. A left hand screw may have a greater helix angle than a right hand screw.
A screw’s helix angle is the angle formed by the helix and the axial line. Although the helix angle is not usually changed, it can have a significant effect on the processing of the screw and the amount of material conveyed. These changes are more common in two stage and special mixing screws, and metering screws. These measurements are crucial for determining the helix angle. In most cases, the lead angle is the correct angle when the screw shaft has the right helix angle.
High helix screws have large leads, sometimes up to six times the screw diameter. These screws reduce the screw diameter, mass, and inertia, allowing for higher speed and precision. High helix screws are also low-rotation, so they minimize vibrations and audible noises. But the right helix angle is important in any application. You must carefully choose the right type of screw for the job at hand.
If you choose a screw gear that has a helix angle other than parallel, you should select a thrust bearing with a correspondingly large center distance. In the case of a screw gear, a 45-degree helix angle is most common. A helix angle greater than zero degrees is also acceptable. Mixing up helix angles is beneficial because it allows for a variety of center distances and unique applications.
screwshaft

Thread angle

The thread angle of a screw shaft is measured from the base of the head of the screw to the top of the screw’s thread. In America, the standard screw thread angle is 60 degrees. The standard thread angle was not widely adopted until the early twentieth century. A committee was established by the Franklin Institute in 1864 to study screw threads. The committee recommended the Sellers thread, which was modified into the United States Standard Thread. The standardized thread was adopted by the United States Navy in 1868 and was recommended for construction by the Master Car Builders’ Association in 1871.
Generally speaking, the major diameter of a screw’s threads is the outside diameter. The major diameter of a nut is not directly measured, but can be determined with go/no-go gauges. It is necessary to understand the major and minor diameters in relation to each other in order to determine a screw’s thread angle. Once this is known, the next step is to determine how much of a pitch is necessary to ensure a screw’s proper function.
Helix angle and thread angle are two different types of angles that affect screw efficiency. For a lead screw, the helix angle is the angle between the helix of the thread and the line perpendicular to the axis of rotation. A lead screw has a greater helix angle than a helical one, but has higher frictional losses. A high-quality lead screw requires a higher torque to rotate. Thread angle and lead angle are complementary angles, but each screw has its own specific advantages.
Screw pitch and TPI have little to do with tolerances, craftsmanship, quality, or cost, but rather the size of a screw’s thread relative to its diameter. Compared to a standard screw, the fine and coarse threads are easier to tighten. The coarser thread is deeper, which results in lower torques. If a screw fails because of torsional shear, it is likely to be a result of a small minor diameter.

Material

Screws have a variety of different sizes, shapes, and materials. They are typically machined on CNC machines and lathes. Each type is used for different purposes. The size and material of a screw shaft are influenced by how it will be used. The following sections give an overview of the main types of screw shafts. Each one is designed to perform a specific function. If you have questions about a specific type, contact your local machine shop.
Lead screws are cheaper than ball screws and are used in light-duty, intermittent applications. Lead screws, however, have poor efficiency and are not recommended for continuous power transmission. But, they are effective in vertical applications and are more compact. Lead screws are typically used as a kinematic pair with a ball screw. Some types of lead screws also have self-locking properties. Because they have a low coefficient of friction, they have a compact design and very few parts.
Screws are made of a variety of metals and alloys. Steel is an economical and durable material, but there are also alloy steel and stainless steel types. Bronze nuts are the most common and are often used in higher-duty applications. Plastic nuts provide low-friction, which helps reduce the drive torques. Stainless steel screws are also used in high-performance applications, and may be made of titanium. The materials used to create screw shafts vary, but they all have their specific functions.
Screws are used in a wide range of applications, from industrial and consumer products to transportation equipment. They are used in many different industries, and the materials they’re made of can determine their life. The life of a screw depends on the load that it bears, the design of its internal structure, lubrication, and machining processes. When choosing screw assemblies, look for a screw made from the highest quality steels possible. Usually, the materials are very clean, so they’re a great choice for a screw. However, the presence of imperfections may cause a normal fatigue failure.
screwshaft

Self-locking features

Screws are known to be self-locking by nature. The mechanism for this feature is based on several factors, such as the pitch angle of the threads, material pairing, lubrication, and heating. This feature is only possible if the shaft is subjected to conditions that are not likely to cause the threads to loosen on their own. The self-locking ability of a screw depends on several factors, including the pitch angle of the thread flank and the coefficient of sliding friction between the two materials.
One of the most common uses of screws is in a screw top container lid, corkscrew, threaded pipe joint, vise, C-clamp, and screw jack. Other applications of screw shafts include transferring power, but these are often intermittent and low-power operations. Screws are also used to move material in Archimedes’ screw, auger earth drill, screw conveyor, and micrometer.
A common self-locking feature for a screw is the presence of a lead screw. A screw with a low PV value is safe to operate, but a screw with high PV will need a lower rotation speed. Another example is a self-locking screw that does not require lubrication. The PV value is also dependent on the material of the screw’s construction, as well as its lubrication conditions. Finally, a screw’s end fixity – the way the screw is supported – affects the performance and efficiency of a screw.
Lead screws are less expensive and easier to manufacture. They are a good choice for light-weight and intermittent applications. These screws also have self-locking capabilities. They can be self-tightened and require less torque for driving than other types. The advantage of lead screws is their small size and minimal number of parts. They are highly efficient in vertical and intermittent applications. They are not as accurate as lead screws and often have backlash, which is caused by insufficient threads.

China Screw Shafts for Coperon Twin Screw Extruder twin screw extruder shaft
editor by czh 2022-12-15

China Clextral Screw Shaft for Food Twin Screw Extruder shaft threaded both ends

Item Description

Manufacture Plastic Extruder Shaft For PVC

Creation description:

Product title	Twin screw shaft	Manufacturer title	JOINER
Design variety		Content	WR15E WR30 40CrNiMo
Spline sort	involute internal spline	Place of first	ZheJiang , China
Measurement	Dia 10-120mm/ L 500-900mm	Screw mix	Brick patern development
Development	With or with no cooling technique	LD	36:1 forty:1 forty four:1 48:one
Hardness	HRC44
Surface therapy	vacuum quenching
Certification	ISO9001 2015
Application	Plastic industry Wooden plastic inflated Food powder coating
For what machine	Plastic Wood Foodstuff Twin Extruder equipment
shaft for	APV KOBE OMC Buhler KraussMaffei Theysohn Buss Berstorff Toshiba Clextral Labtech USEON Coperon Lantai others JSW Leistritz Keya Maris
Our strengths	Competitive charges per unit of production Rapidly change round for selection and shipping and delivery on refurbished elements Parts offered from inventory for a wide assortment of extruder tends to make Comprehensive inspection method on all parts prior to dispatch A time verified high quality support Newest manufacturing strategies and metallurgy, making certain constant and trustworthy functionality of elements Customized options to fulfill distinct wants.

We manufacture screw shafts for co-rotating twin screw extruders ranging from ten mm to 120 mm /Duration 500-900mm and over. With cooling program /with out cooling program. Our production specializes in shafts for twin screw extruders and is optimized for adaptable get managing.

Varieties of shaft:

Single keyway Square keyslot High torque essential button Dual keyslot

Involute internal spline Round keyslot Retackle spline Client requirements available

Material

WR15E WR30 40CrNiMo

About our Firm

Joiner Equipment Co.,Ltd has a number of many years experience in the manufacture and provide of new and refurbished wear components for all main helps make of twin-screw extruders and the Industries involved in plastics industry, chemical sector, powder coating, foods foods market, wood plastic and so on..
Via near operating relationships with our buyers we have been CZPT to satisfy their needs. Overall flexibility enables us to design and style and manufacture common and bespoke factors for distinctive applications.
By means of our hugely qualified and skilled staff we are CZPT to supply complex help and advice.
Our strengths are based on many years knowledge supplying the subsequent:
* Competitive costs per device of production
* Quick flip round for collection and shipping and delivery on refurbished parts
* Parts offered from stock for a wide selection of extruder makes
* Complete inspection procedure on all elements prior to dispatch
* A time established quality service
* Most recent production methods and metallurgy, making certain steady and reputable performance of parts
* Custom-made remedies to meet certain needs.

Why decide on us?

Packaging Delivery

Packaging Particulars: Wooden circumstance, Sea-worthy or export standard.
Port: HangZhou
Lead time: 40-50 days right after buy affirmation.

FAQ

Q: Are you buying and selling business or producer ?

A: We are factory.

Q: Where is your manufacturing facility found? How can I visit there?

A: Our factory is situated in HangZhou, ZheJiang Province, China, 1) You can fly to

HangZhou Airport directly. We will decide you up when you get there in the airport All our customers,

from domestic or abroad, are warmly welcome to check out us

Q: What makes you different with other folks?

A: 1) Our Outstanding Provider For a quick, no headache quotation just ship email to us We

guarantee to reply with a price within 24 several hours – sometimes even in the hour. If you

concerns quickly. 2) Our quick manufacturing time For Typical orders, we will

assure to create within thirty working times. As a manufacturer, we can make certain the shipping and delivery time in accordance to the official agreement.

Q: What is your phrases of payment ?

A: 1) T/T payment 2) LC

US $500-1,000
/ Piece
| 10 Pieces

(Min. Order)

###

Transport Package:	Wood
Trademark:	JOINER
Origin:	Sichuan

###

Samples:	US$ 500/Piece 1 Piece(Min.Order) \| Request Sample

###

Customization:	Available \| Customized Request

###

Product name	Twin screw shaft	Brand name	JOINER
Model number		Material	WR15E WR30 40CrNiMo
Spline type	involute inner spline	Place of original	Sichuan, China
Size	Dia 10-120mm/ L 500-900mm	Screw combination	Brick patern construction
Construction	With or without cooling system	LD	36:1 40:1 44:1 48:1
Hardness	HRC44
Surface treatment	vacuum quenching
Certification	ISO9001 2015
Application	Plastic industry Wood plastic inflated Food powder coating
For what machine	Plastic Wood Food Twin Extruder machine
shaft for	APV KOBE OMC Buhler KraussMaffei Theysohn Buss Berstorff Toshiba Clextral Labtech USEON Coperon Lantai others JSW Leistritz Keya Maris
Our strengths	Competitive costs per unit of production Fast turn round for collection and delivery on refurbished parts Parts available from stock for a wide range of extruder makes Comprehensive inspection procedure on all parts prior to dispatch A time proven quality service Latest manufacturing techniques and metallurgy, ensuring consistent and reliable performance of parts Customized solutions to meet specific needs.

US $500-1,000
/ Piece
| 10 Pieces

(Min. Order)

###

Transport Package:	Wood
Trademark:	JOINER
Origin:	Sichuan

###

Samples:	US$ 500/Piece 1 Piece(Min.Order) \| Request Sample

###

Customization:	Available \| Customized Request

###

Product name	Twin screw shaft	Brand name	JOINER
Model number		Material	WR15E WR30 40CrNiMo
Spline type	involute inner spline	Place of original	Sichuan, China
Size	Dia 10-120mm/ L 500-900mm	Screw combination	Brick patern construction
Construction	With or without cooling system	LD	36:1 40:1 44:1 48:1
Hardness	HRC44
Surface treatment	vacuum quenching
Certification	ISO9001 2015
Application	Plastic industry Wood plastic inflated Food powder coating
For what machine	Plastic Wood Food Twin Extruder machine
shaft for	APV KOBE OMC Buhler KraussMaffei Theysohn Buss Berstorff Toshiba Clextral Labtech USEON Coperon Lantai others JSW Leistritz Keya Maris
Our strengths	Competitive costs per unit of production Fast turn round for collection and delivery on refurbished parts Parts available from stock for a wide range of extruder makes Comprehensive inspection procedure on all parts prior to dispatch A time proven quality service Latest manufacturing techniques and metallurgy, ensuring consistent and reliable performance of parts Customized solutions to meet specific needs.

Types of Screw Shafts

Screw shafts come in various types and sizes. These types include fully threaded, Lead, and Acme screws. Let’s explore these types in more detail. What type of screw shaft do you need? Which one is the best choice for your project? Here are some tips to choose the right screw:

Machined screw shaft

The screw shaft is a basic piece of machinery, but it can be further customized depending on the needs of the customer. Its features include high-precision threads and ridges. Machined screw shafts are generally manufactured using high-precision CNC machines or lathes. The types of screw shafts available vary in shape, size, and material. Different materials are suitable for different applications. This article will provide you with some examples of different types of screw shafts.
Ball screws are used for a variety of applications, including mounting machines, liquid crystal devices, measuring devices, and food and medical equipment. Various shapes are available, including miniature ball screws and nut brackets. They are also available without keyway. These components form a high-accuracy feed mechanism. Machined screw shafts are also available with various types of threaded ends for ease of assembly. The screw shaft is an integral part of linear motion systems.
When you need a machined screw shaft, you need to know the size of the threads. For smaller machine screws, you will need a mating part. For smaller screw sizes, the numbers will be denominated as industry Numeric Sizes. These denominations are not metric, but rather in mm, and they may not have a threads-per-inch designation. Similarly, larger machine screws will usually have threads that have a higher pitch than those with a lower pitch.
Another important feature of machine screws is that they have a thread on the entire shaft, unlike their normal counterparts. These machine screws have finer threads and are intended to be screwed into existing tapped holes using a nut. This means that these screws are generally stronger than other fasteners. They are usually used to hold together electronic components, industrial equipment, and engines. In addition to this, machine screws are usually made of a variety of materials.
screwshaft

Acme screw

An Acme screw is the most common type of threaded shaft available. It is available in a variety of materials including stainless steel and carbon steel. In many applications, it is used for large plates in crushing processes. ACME screws are self-locking and are ideal for applications requiring high clamping force and low friction. They also feature a variety of standard thread forms, including knurling and rolled worms.
Acme screws are available in a wide range of sizes, from 1/8″ to 6″. The diameter is measured from the outside of the screw to the bottom of the thread. The pitch is equal to the lead in a single start screw. The lead is equal to the pitch plus the number of starts. A screw of either type has a standard pitch and a lead. Acme screws are manufactured to be accurate and durable. They are also widely available in a wide range of materials and can be customized to fit your needs.
Another type of Acme screw is the ball screw. These have no back drive and are widely used in many applications. Aside from being lightweight, they are also able to move at faster speeds. A ball screw is similar to an Acme screw, but has a different shape. A ball screw is usually longer than an Acme screw. The ball screw is used for applications that require high linear speeds. An Acme screw is a common choice for many industries.
There are many factors that affect the speed and resolution of linear motion systems. For example, the nut position and the distance the screw travels can all affect the resolution. The total length of travel, the speed, and the duty cycle are all important. The lead size will affect the maximum linear speed and force output. If the screw is long, the greater the lead size, the higher the resolution. If the lead length is short, this may not be the most efficient option.
screwshaft

Lead screw

A lead screw is a threaded mechanical device. A lead screw consists of a cylindrical shaft, which includes a shallow thread portion and a tightly wound spring wire. This spring wire forms smooth, hard-spaced thread convolutions and provides wear-resistant engagement with the nut member. The wire’s leading and trailing ends are anchored to the shaft by means appropriate to the shaft’s composition. The screw is preferably made of stainless steel.
When selecting a lead screw, one should first determine its critical speed. The critical speed is the maximum rotations per minute based on the natural frequency of the screw. Excessive backlash will damage the lead screw. The maximum number of revolutions per minute depends on the screw’s minor diameter, length, assembly alignment, and end fixity. Ideally, the critical speed is 80% of its evaluated critical speed. A critical speed is not exceeded because excessive backlash would damage the lead screw and may be detrimental to the screw’s performance.
The PV curve defines the safe operating limits of a lead screw. This relationship describes the inverse relationship between contact surface pressure and sliding velocity. As the PV value increases, a lower rotation speed is required for heavier axial loads. Moreover, PV is affected by material and lubrication conditions. Besides, end fixity, which refers to the way the lead screw is supported, also affects its critical speed. Fixed-fixed and free end fixity are both possible.
Lead screws are widely used in industries and everyday appliances. In fact, they are used in robotics, lifting equipment, and industrial machinery. High-precision lead screws are widely used in the fields of engraving, fluid handling, data storage, and rapid prototyping. Moreover, they are also used in 3D printing and rapid prototyping. Lastly, lead screws are used in a wide range of applications, from measuring to assembly.

Fully threaded screw

A fully threaded screw shaft can be found in many applications. Threading is an important feature of screw systems and components. Screws with threaded shafts are often used to fix pieces of machinery together. Having fully threaded screw shafts ensures that screws can be installed without removing the nut or shaft. There are two major types of screw threads: coarse and fine. When it comes to coarse threads, UTS is the most common type, followed by BSP.
In the 1840s, a British engineer named Joseph Whitworth created a design that was widely used for screw threads. This design later became the British Standard Whitworth. This standard was used for screw threads in the United States during the 1840s and 1860s. But as screw threads evolved and international standards were established, this system remained largely unaltered. A new design proposed in 1864 by William Sellers improved upon Whitworth’s screw threads and simplified the pitch and surface finish.
Another reason for using fully threaded screws is their ability to reduce heat. When screw shafts are partially threaded, the bone grows up to the screw shaft and causes the cavity to be too narrow to remove it. Consequently, the screw is not capable of backing out. Therefore, fully threaded screws are the preferred choice for inter-fragmentary compression in children’s fractures. However, surgeons should know the potential complication when removing metalwork.
The full thread depth of a fully threaded screw is the distance at which a male thread can freely thread into the shaft. This dimension is typically one millimeter shy of the total depth of the drilled hole. This provides space for tap lead and chips. The full-thread depth also makes fully threaded screws ideal for axially-loaded connections. It is also suitable for retrofitting applications. For example, fully threaded screws are commonly used to connect two elements.
screwshaft

Ball screw

The basic static load rating of a ball screw is determined by the product of the maximum axial static load and the safety factor “s0”. This factor is determined by past experience in similar applications and should be selected according to the design requirements of the application. The basic static load rating is a good guideline for selecting a ball screw. There are several advantages to using a ball screw for a particular application. The following are some of the most common factors to consider when selecting a ball screw.
The critical speed limit of a ball screw is dependent on several factors. First of all, the critical speed depends on the mass, length and diameter of the shaft. Second, the deflection of the shaft and the type of end bearings determine the critical speed. Finally, the unsupported length is determined by the distance between the ball nut and end screw, which is also the distance between bearings. Generally, a ball screw with a diameter greater than 1.2 mm has a critical speed limit of 200 rpm.
The first step in manufacturing a high-quality ball screw is the choice of the right steel. While the steel used for manufacturing a ball screw has many advantages, its inherent quality is often compromised by microscopic inclusions. These microscopic inclusions may eventually lead to crack propagation, surface fatigue, and other problems. Fortunately, the technology used in steel production has advanced, making it possible to reduce the inclusion size to a minimum. However, higher-quality steels can be expensive. The best material for a ball screw is vacuum-degassed pure alloy steel.
The lead of a ball screw shaft is also an important factor to consider. The lead is the linear distance between the ball and the screw shaft. The lead can increase the amount of space between the balls and the screws. In turn, the lead increases the speed of a screw. If the lead of a ball screw is increased, it may increase its accuracy. If not, the lead of a ball screw can be improved through preloading, lubrication, and better mounting accuracy.

China Clextral Screw Shaft for Food Twin Screw Extruder shaft threaded both ends
editor by czh 2022-12-13

Product Description

Screw Barrels for 380 Twin Screw Extruder Parts Production description:

6.Q: May I know the status of my order?—-A: Yes .We will send you information and photos at different production stage of your order. You will get the latest information in time.

Screws and Screw Shafts

Machined screw shaft

Ball screw nut

Self-locking property of screw shaft

Materials used to manufacture screw shaft

Product Description

Plastic Extrusion Machine Extruder Double Screw

Screw Sizes and Their Uses

The major diameter of a screw shaft

The pitch diameter of a screw shaft

The thread depth of a screw shaft

The lead of a screw shaft

The thread angle of a screw shaft

The tapped hole (or nut) into which the screw fits

Product Description

Screws and Screw Shafts

Machined screw shaft

Ball screw nut

Self-locking property of screw shaft

Materials used to manufacture screw shaft

Screws and Screw Shafts

Machined screw shaft

Ball screw nut

Self-locking property of screw shaft

Materials used to manufacture screw shaft

Screw Sizes and Their Uses

The major diameter of a screw shaft

The pitch diameter of a screw shaft

The thread depth of a screw shaft

The lead of a screw shaft

The thread angle of a screw shaft

The tapped hole (or nut) into which the screw fits

Lead Screws and Clamp Style Collars

Acme thread

Lead screw coatings

Clamp style collars

Ball screw nut

Solution Description

Lead Screws and Clamp Style Collars

Acme thread

Lead screw coatings

Clamp style collars

Ball screw nut

Merchandise Description

Screw Shaft Types and Uses

Major diameter of a screw shaft

Material of a screw shaft

Function of a screw shaft

Product Description

WR15E Abrasion Resistance Twin Screw Shaft Diameter 10 – 120mm HRC44 Hardness

About our Business

Q: Are you investing firm or manufacturer ?

Q: Exactly where is your manufacturing unit located? How can I visit there?

Q: What makes you distinct with other people?

Q: What is your phrases of payment ?

What Are Screw Shaft Threads?

Coefficient of friction between the mating surfaces of a nut and a screw shaft

Helix angle

Thread angle

Material

Self-locking features

Item Description

About our Firm

Q: Are you buying and selling business or producer ?

Q: Where is your manufacturing facility found? How can I visit there?

Q: What makes you different with other folks?

Q: What is your phrases of payment ?

Types of Screw Shafts

Machined screw shaft

Acme screw

Lead screw

Fully threaded screw

Ball screw

Screw Barrels for 380 Twin Screw Extruder Parts

Production description:

6.Q: May I know the status of my order?
—-A: Yes .We will send you information and photos at different production stage of your order. You will get the latest information in time.