Product Description
GS mach which is a manufacturing vendor, specializing in the twin screw extruder pelletizing line and spare parts, with high quality machine and competitive price.
Here are some of our hot sale production lines for your kind reference
1. PLA PBAT+ corn starch biodegradable pellets making line
2. PET bottle flakes recycling and pelletizing line
3. EVA hot melt adhesive pelletizing line
4. PP/PE/EVA etc.+CaCO3/Talc/TiO2 filler pelletizing line;
5. PE/PP/ABS/AS/PA/EVA/PET etc. color/white/black masterbatch pelletizing line
6. HDPE/LDPE/LLDPE/MDPE/EVA/PVC/PP etc. cable compounding line
7. TPU/TPE/TPR/TPV thermoplastic elastomer pelletizing line
8. Glass/carbon fiber reinforced PA/PP/PBT/ABS/AS/PC/POM/PET etc.
9. Various twin Screw elements, screw barrels, side feeders, heaters, etc.
For more details about our machine specification and configuration, pls kindly contact us:
Looking forward to hearing back from you. We are always glad to be at your service.
Twin Screw Extruder Compound Machine
Machine Type Choice:
Composition of twin-screw compound machine:
Metering Feeder—Main Motor—Gear Box—Barrel—Screw Shaft—Soft Water Cooling System—Die Head–Cutting System
Introduction:
1. Twin-screw extruder with high-precision barrel and modular combination, lateral split, easy to change color
2. The segmented barrel body adopts the automatic control system of efficient heat exchange, non-solidification
3. Screw components can be freely combined according to technical requirements
4. Extruder twin screw, barrel and conveying parts are made of special alloy materials, making the machine more durable
5. Strong self-cleaning, strong shear force and high mixing efficiency
6. Gearbox is equipped with independent lubrication and cooling system, with high torque, low noise + 60DB, high wear resistance and long life
7. Twin-screw extruder adopts touch screen computer control system, safe operation
Advantage:
- Parallel co-rotating twin screw extruders have excellent mixing performance,good self cleaning performance and flexible modular configuration characteristics.
- The suitable for processing different types of material systems,and are extensively used in fields of polymer processing ,foodstuff processing and chemical products, especially for various high molecular materials.
- In most cases ,parallel co-rotating twin screw extruders are used as mixing equipment.In processing high molecular materials,the modification process and master batch preparation of Polyolefin material and engineering plastics require sufficient and intensive mixing,which differs depending on material systems, Excellent equipment performance,reasonable mixing process, advanced combination technique and rich processing experience are the key factors determining the success and efficiency of mixing.
Processing Raw Material:
Color Masterbatch:
PE,PP,PS,ABS,EVA,PET+Pigment and additives
Filling & Modification:
PE,PP,PS,EVA+CaCO3,Talcum Powder,TiO2
PP,PA6,PA66.ABS+Ferrous Powder,Magnetic Powder,Ceramic Powder
Blending&Modification
PP,PA,PE+EPDM;PE,PP,PS+SBS;PP+NBR;EVA+Silastic;
TPR compounds PP+PE;PBT+PET;PA,PC,CPE,TPU+ABS
Various Cable Material
HDPE, LDPE, LLDPE, MDPE insulating bush, cable shield
PE Six-XLPE cable compounds,PE chemical crosslink cable compounds,
PE radiation crosslinking cable compounds,H-cable compounds PVC wire&cable compounds;HFFR,Polyolefine cable compounds
Powder Coating
Polyester coating,Polyurethane coating,epoxy resin coating,Propyl
Coating;Pcrylic coating
Thermoplastic
Phenolic aldehyde+glass-fiber,Urea-formaldehyde,Compounds epoxide powder caoating,Potting material,etc
Varions of Thermosets with serial production
Functional Masterbatch
CB masterbatch:PE,PP,PS ABS,EVA… +carbon
Flame retardant masterbatch:PE,ABS,PA PBT…+flame retardant& additives Degradative masterbatch:PE,PS+Starch;PP+CaCO3,Talcum powder
Safeguard function masrerbatch:Masterbatch of hest insulator…
Glass Fiber(carbon fiber, wood fiber)Reinfcrsersen
PE,ABS,AS,PBT,PET,PA,PC+Carbon fiber
PP,ABS,AS,PBT,PET,PA,PC,PPO…+long glass fiber or short glass fiber
Different Types Cutting Systems:
- Water Strand Cutting System:water tank–dryer–pelletizer machine,
- Hot Air Cutting System:hot face die head cutting–blower–first cyclone–second cyclone–vibrate screen-silo
- Water Ring Cutting System:Water ring pelletizer–Centrifugal dehydrator–vibrating Screen–Cyclone Silo.
Underwater cutting system:Underwater pelletizer–Tempered Water System–By-pass pipes–Centrifugal Dehydrator.
1. PLA PBAT+ corn starch biodegradable pellets making line
2. PET bottle flakes recycling and pelletizing line
3. EVA hot melt adhesive pelletizing line
4. PP/PE/EVA etc.+CaCO3/Talc/TiO2 filler pelletizing line;
5. PE/PP/ABS/AS/PA/EVA/PET etc. color/white/black masterbatch pelletizing line
6. HDPE/LDPE/LLDPE/MDPE/EVA/PVC/PP etc. cable compounding line
7. TPU/TPE/TPR/TPV thermoplastic elastomer pelletizing line
8. Glass/carbon fiber reinforced PA/PP/PBT/ABS/AS/PC/POM/PET etc.
9. Various twin Screw elements, screw barrels, side feeders, heaters, etc.
For more details about our machine specification and configuration, pls kindly contact us:
Looking forward to hearing back from you. We are always glad to be at your service.
After-sales Service: | Yes |
---|---|
Warranty: | 1 Year |
Type: | Sheet Extruder |
Plastic Processed: | PP |
Product Type: | Granulating Extruder |
Feeding Mode: | One Feed |
Customization: |
Available
| Customized Request |
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Screw Shaft Types
If you’re looking for a screw shaft, but aren’t sure which type to buy, you’re in luck. In this article, we’ll talk about the different types, including Threaded shank, Round head, and Machined. Once you’ve read it, you’ll know which type to buy. Then, you can decide whether you want a ball screw nut or a threaded shank.
Machined screw shafts
Besides the standard stainless steel shaft, manufacturers also provide a variety of other materials, such as titanium, bronze, and brass. In addition to stainless steel, manufacturers also provide a variety of top-coating options, including zinc, brass, and chromium. Aluminum screws are not particularly durable and are easily affected by weather. Most screw shafts feature self-locking mechanisms. They are especially useful in C-clamps, vises, and screw-top container lids.
For applications where accuracy is vital, a ball screw shaft needs to be annealed. A heat treatment can be performed on the ball screw shaft to ensure that both ends are heated evenly. In this process, the shaft will be more durable, while maintaining its high-precision properties. These screw shafts are a key component in computer-controlled motion-control systems, wire bonding, and other industries that require high-precision and high-quality performance.
Depending on the material used, screw shafts can be made of stainless steel or titanium. High-precision CNC machines and lathes are typically used to manufacture screw shafts. Various shapes and sizes are available, each with a specific application. Whether you need a small or large screw, you can find one to fit your needs. And since each size requires a different material, your choice of material is important as well.
In general, the materials used for machining screw shafts are steel, stainless steel, titanium, brass, bronze, and aluminum. Metals that resist corrosion are also commonly used. Other materials for screw shafts are Teflon, nylon, and nylon. You can also find threaded screw shafts in materials such as porcelain, glass, and ceramic. If you want to use your screws in a unique material, consider purchasing a customized one.
Ball screw nuts
If you have a screw shaft, the last thing you want to worry about is the ball nut slipping off. To prevent this, you can place a temporary stop in the shaft’s grooves to ensure that the ball nut does not slide off. When you remove the stop, you can then install the ball screw nut. But, before you can install the ball screw nut, you have to make sure that you have a good grip on the shaft.
When selecting ball screw nuts, it’s important to consider how much preload you need to apply to avoid excessive backlash. Preloading eliminates this problem by making the ball nut compact. It also prevents backlash, which is lost motion caused by clearance between the ball and nut. Backlash disrupts repeatability and accuracy. This is where spacer preloading comes in. You can insert a spacer between the two ball nuts to transmit the force to the nut. However, you should keep in mind that this method reduces the load capacity of the ball screw.
The critical speed of a screw is the maximum rotating speed before it whips. This critical speed is influenced by several factors, including the diameter of the screw shaft, the number of support elements, and the material. By adjusting these factors, you can reduce the number of components used and the amount of time it takes to assemble the screw shaft. In addition, you can also reduce the number of components and avoid stacking tolerances. However, the critical speed of plastic nuts is limited due to sliding friction.
The ball screw nut has several characteristics that make it unique. Its most prominent feature is the presence of ball bearings. These balls help reduce friction between the screw nut and the shaft. Without ball bearings, the friction would be too high to function properly. Another important characteristic is the groove profile of the nut and ball. These two features ensure that the ball and the nut meet at two points. You’ll be amazed by the results of the work of these ball screw nuts.
Threaded shank
Wood screws are usually not fully threaded because the shank has an unthreaded portion at the top. This shoulder part forces the screw to compress two pieces of wood, which prevents the screw from overheating and compromising the materials strength. As the screw is threaded partially up, it is not as difficult to remove as a fully threaded screw. However, it is important to note that a wood screw will not hold as tightly as one with a fully threaded shank.
In addition to being universal, screw threads can be of different sizes. For example, a M8 screw has a thread pitch of 1.25 mm. To avoid confusion, screw thread pitches are commonly given with a multiplication sign. For example, M8x1 means that the screw is eight mm in diameter but has a thread pitch of one mm per 360-degree rotation. Those who are not familiar with these dimensions may find it confusing.
The OD of the threaded portion of a bolt is generally smaller than the OD of the nut. If the shank is too deep for the nut to fit, the threads may bottom out. This is why it’s important to use a thread-cutting bit with a small thread diameter. You can use a micrometer or caliper to measure the thread diameter. This tool will also allow you to easily identify which screw size fits where and how well.
The metric system is the most widely used. Fasteners with DIN numbers are generally metric in size. This makes them very useful for industrial settings. You can find metric-sized screws anywhere, as long as you buy them from a reputable manufacturer. These fasteners also come with a dog point, which is used for safety wire. If the screw needs to be replaced, the shank can be drilled with a hole for a safety wire or for a dog-point.
Round head
A round head screw is the most common type used for machine screws. Other common types include truss head, flat head, and hexed head. Each has a different profile and are used for different purposes. A round head screw is typically wider than a flat or a hexed head, and has a slightly rounded surface. These screws are useful for projects involving sheet metal or sheet-metal parts. Round heads are usually slightly wider than a hex head screw, and they may also be used as a substitute for washers in certain applications. However, truss heads are not necessary for every project.
A wood screw has a smooth shank that protrudes above the surface of the material it is attaching. A metal screw has a threaded shaft that is fully threaded from head to point, and a fully threaded shaft provides more bite. Two common head styles are round head and pan head. If the task requires the screw to be flush or countersunk, the round head will be the best choice.
Another type is the Reed & Prince screw drive. These are similar to Phillips screws but have a 75-degree V shape. They are commonly used in marine hardware and are also known as BNAE NFL22-070. This type is also used for steel plate hangers. In addition to round head and pan head screws, there are a variety of other screw types. You can even get a head with a slotted head if you know where to look.
Screw diameters are specified according to the ISO 261 or ISO 262 standards. An M8 screw has a diameter of 8.25 mm. The M8 screw has a pitch of 1.25 mm, which is equivalent to one mm per 360 degrees. There are several other standard screw sizes and thread diameters available. You can find them all by consulting the relevant standards. But remember, the metric system is the most popular.
Self-locking mechanism
A self-locking mechanism for a screw shaft is a device that secures the screw to its supporting member in a failure position. The locking mechanism provides a positive connection between the screw shaft and the control surface during normal operation, and locks the screw to its supporting member when the screw fails. Previous attempts to solve this problem have typically used secondary nuts with free play on the screw, which were intentionally designed to jam when loaded. However, such a device can be unreliable, which is why the present invention offers a more robust and reliable locking mechanism.
The self-locking function of a screw depends on several factors, including its pitch angle and the coefficient of friction of the threads. The angle of friction must be less than the tangent of the material pairing to prevent untightening of the screw. Screws with self-locking mechanisms have an efficiency e lower than 50%, which is less than half. Self-locking screws also have the benefit of being less efficient than a standard screw.
Unlike a normal screw, a self-locking screw can be turned in either direction. The nut 22 rotates with the screw shaft, and the member 23 is translated in an axial direction. Regardless of the direction of the rotation of the screw, this axial translation will result in the opposite moment to that input moment. While screw self-locking mechanisms are typically less expensive, they are more reliable and durable.
Another important feature of self-locking screws is that they are not susceptible to independent loosening. The screw cannot rotate without a certain amount of torque. In addition, a self-locking screw shaft must have a small wedge with a smaller half-angle than the arctangent of the static friction. This means that the torque applied by the driver must be greater than the torque needed to overcome the friction.
editor by CX 2023-11-22
China manufacturer Petrochemical Zk320 Twin Screw Extruder Spare Parts Screw Elements shaft collar with grub screw
Product Description
High Quality Twin Screw Element Barrel Extruder Screw Design Extruder Replacement Spare Parts
Products description
ZK320 Screw elements | Diameter mm | |||||||||||||||||||||
Screw type | Double Screw | |||||||||||||||||||||
Hardness | HRC58-62 | |||||||||||||||||||||
Surface treatment | vacuum quenching | |||||||||||||||||||||
Certification | ISO9,we will answer your questions immediately. 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.
Screw Shaft TypesIf you’re looking for a screw shaft, but aren’t sure which type to buy, you’re in luck. In this article, we’ll talk about the different types, including Threaded shank, Round head, and Machined. Once you’ve read it, you’ll know which type to buy. Then, you can decide whether you want a ball screw nut or a threaded shank. Machined screw shaftsBesides the standard stainless steel shaft, manufacturers also provide a variety of other materials, such as titanium, bronze, and brass. In addition to stainless steel, manufacturers also provide a variety of top-coating options, including zinc, brass, and chromium. Aluminum screws are not particularly durable and are easily affected by weather. Most screw shafts feature self-locking mechanisms. They are especially useful in C-clamps, vises, and screw-top container lids. Ball screw nutsIf you have a screw shaft, the last thing you want to worry about is the ball nut slipping off. To prevent this, you can place a temporary stop in the shaft’s grooves to ensure that the ball nut does not slide off. When you remove the stop, you can then install the ball screw nut. But, before you can install the ball screw nut, you have to make sure that you have a good grip on the shaft. Threaded shankWood screws are usually not fully threaded because the shank has an unthreaded portion at the top. This shoulder part forces the screw to compress two pieces of wood, which prevents the screw from overheating and compromising the materials strength. As the screw is threaded partially up, it is not as difficult to remove as a fully threaded screw. However, it is important to note that a wood screw will not hold as tightly as one with a fully threaded shank. Round headA round head screw is the most common type used for machine screws. Other common types include truss head, flat head, and hexed head. Each has a different profile and are used for different purposes. A round head screw is typically wider than a flat or a hexed head, and has a slightly rounded surface. These screws are useful for projects involving sheet metal or sheet-metal parts. Round heads are usually slightly wider than a hex head screw, and they may also be used as a substitute for washers in certain applications. However, truss heads are not necessary for every project. Self-locking mechanismA self-locking mechanism for a screw shaft is a device that secures the screw to its supporting member in a failure position. The locking mechanism provides a positive connection between the screw shaft and the control surface during normal operation, and locks the screw to its supporting member when the screw fails. Previous attempts to solve this problem have typically used secondary nuts with free play on the screw, which were intentionally designed to jam when loaded. However, such a device can be unreliable, which is why the present invention offers a more robust and reliable locking mechanism.
China manufacturer Single Twin Extruder Screw Barrel Screw Elements near me factory
Product Description
FAQ: ——-Two months at least ,but it depends on. 2,Can I get the Warranty of 1 year for free? ——-If you need the warranty, you should pay for it . If not ,don’t worry either,we have confidence in our products. 3,How is your after-sale service? ——- You will get our help in time as long as you find something wrong about our products. Believe us, you deserve the best .
Screw Shaft Types and UsesVarious 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. Major diameter of a screw shaftA 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. Material of a screw shaftA 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. Function of a screw shaftWhen 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. |