China Custom Arrow Bimetallic Screw and Barrel Spare Parts for Composite Machine broken screw shaft

Product Description

 

Overview 
Product Description

Screw elements are crucial components in twin screw extruders, playing a pivotal role in determining the quality and output of plastic products. These elements are responsible for various essential functions, including plastic molecular mixing, cutting, spreading, and facilitating reactions among the materials. To ensure exceptional production quality, our company has leveraged years of experience, incorporated valuable insights from international practices, and carefully considered customer requirements to develop a comprehensive range of processing screw elements

 

our meticulously designed screw elements offer a multitude of benefits, prominently featuring exceptional self-cleaning performance. This remarkable attribute guarantees the integrity of the entire production line. Furthermore, our screw elements boast a combination of superior characteristics, including optimum parameters, high self-cleaning efficiency, remarkable wear resistance, and outstanding corrosion resistance.

 

Through the thoughtful integration of our expertise and customer feedback, we have successfully created a refined selection of screw elements that not only meet but exceed industry standards. These elements ensure the highest quality and output for plastic products, empowering our clients to achieve superior results in their operations.

 

 
Screw for Plastic Extruder
1.All sizes of the screw are 38CrMnAlA Nitrided steel +Special Alloy Spraying Welding on the whole screw thread surface.
2. For twin screw barrel material: A. Integral barrel Standard Alloy spraying B. Two parts Bimetallic sleeve C. High Calcium filler abrasion resistant .
3. For single screw barrel: Main Barrel + feeding sleeve zone as basic structure with A type as standard, A: Integral barrel Standard Alloy spraying B:Two parts Bimetallic sleeve .

Basic Info. 

Place of Origin: ZheJiang , China  Brand Name: Arrow
Condition: New  Material: 40CrNiMoA
Weight (KG): 50 Spare Parts Type:
Barrel
Video outgoing-inspection:
Provided
Machinery Test Report:
Provided
Warranty:1 year Key Selling Points:
Sustainable
Applicable Industries:
Manufacturing Plant, Machinery Repair Shops
Item:
Bi-metal screw and barrel
Material for screw:
38CrMnAlA Nitrided steel
 
Material for barrel:
40CrNiMoA+SKDII with heat treatment
 
Screw finish:
Nitrogen-filled (0.50~0.70mm depth)
 
Core of the screw:
Auto control for temperature
 
Screw type:
Single/ Double
 
Rotate speed of screw:
0-48
Double screw type:
Conical/Parallel
 
Barrel design for double screw:
One body/two parts     
 

Application:

-For wear application:
 Tool Steel: W6Mo5Cr4V2
  PM-HIP material: WR5, WR13, WR14, CPM10V, CPM9V.
-For corrosion application:
  38CrMoAla
  PM-HIP material: WR4, WR13, WR14, CPM10V, CPM9V.
-For wear and corrosion application:
  PM-HIP material: WR13, WR14, CPM10V, CPM9V.
-Other materials:
  Stainless Steel:316L,440C etc.

Key Features:

  1. Tool steel, the steel has a high hardenability and thermal cracking resistance, the steel contains a higher content of tungsten, molybdenum,chromium and alum, good wear resistance, toughness is relatively weakened, with good heat resistance.
  2. High hardness,
  3. HRC up to 65.

Service

24-hour Hotline
 
No matter when and where you are,
call us and 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,    and welcome to your consultation.
After-sales Services

you can receive products to our company and we will help
you deal with till you get satisfied with.

FAQ
 
How long does it take to get my products since I paid for them?
—According to your order, we will give you a reasonable delivery date.

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.
 
What machine does the product apply to?
—Twin Screw Extruder Machine.

Certification 
Exhibition 

Company Profile 
ZheJiang Arrow Machinery Co., Ltd.is a company specializing in R&D, production, sales, application promotion of food engineering projects. As 1 of the largest scaled food processing equipment &whole plant engineering problem solvers in China, machines served for more than 970 companies, export to 116 countries, area, more than 20 years engineering team, we recognize that quality equals value, aims to create a great future together with global customers.

After-sales Service: Online 24/7 Installation Guide
Warranty: 1 Year
Condition: New
Samples:
US$ 99999/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

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Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

screw jack

How do screw jacks handle variations in temperature and harsh operating conditions?

Screw jacks are designed to handle variations in temperature and harsh operating conditions while maintaining their performance and reliability. Here’s how screw jacks handle these challenges:

  • Material Selection: Screw jacks are made from materials that can withstand harsh conditions. They are often constructed using materials such as stainless steel, which offers excellent corrosion resistance and durability. This allows screw jacks to withstand exposure to moisture, chemicals, extreme temperatures, and other harsh operating conditions.
  • Surface Treatments and Coatings: Screw jacks can be treated with specialized coatings or surface treatments to enhance their resistance to corrosion, wear, and environmental factors. For example, zinc plating or epoxy coatings can be applied to protect the screw jack components from rust or chemical damage. These treatments increase the longevity and reliability of the screw jacks in harsh conditions.
  • Sealing Mechanisms: Screw jacks can be equipped with sealing mechanisms to protect internal components from contaminants, moisture, or dust. Seals, gaskets, or protective covers can be used to prevent the ingress of foreign substances that could affect the performance or lifespan of the screw jack. Effective sealing mechanisms ensure the integrity and functionality of the screw jack in harsh operating conditions.
  • Heat Dissipation: In applications where temperature variations are significant, screw jacks can be designed with heat dissipation features. This can include the use of cooling fins, heat sinks, or ventilation systems to dissipate excess heat generated during operation. Efficient heat dissipation helps prevent overheating and ensures optimal performance of the screw jack in high-temperature environments.
  • Lubrication: Proper lubrication is essential for the smooth operation and longevity of screw jacks in harsh conditions. Specialized lubricants can be used to reduce friction, protect against wear, and maintain the performance of the screw jack over time. Lubrication also helps to minimize the effects of temperature variations on the operation of the screw jack.
  • Design Considerations: Screw jacks can be designed with temperature-resistant components, such as high-temperature seals or bearings, to withstand extreme temperature variations. Additionally, thermal expansion and contraction can be accounted for in the design to ensure the stability and accuracy of the screw jack’s operation underharsh conditions.

By considering these factors and incorporating appropriate design features, screw jacks can effectively handle variations in temperature and harsh operating conditions. This allows them to maintain their performance, reliability, and longevity, even in demanding industrial environments.

screw jack

What safety precautions should be followed when operating screw jacks?

Operating screw jacks safely is essential to prevent accidents, injuries, and damage to equipment. Here are some important safety precautions that should be followed when operating screw jacks:

  • Read and Understand the Manual: Before operating a screw jack, carefully read and understand the manufacturer’s instruction manual. The manual provides important safety information, operating procedures, and maintenance guidelines specific to the screw jack model. Following the manufacturer’s instructions is crucial for safe and proper operation.
  • Inspect the Screw Jack: Prior to use, inspect the screw jack for any signs of damage, wear, or loose components. Check for proper lubrication and ensure that all connections and fasteners are secure. If any issues are identified, do not operate the screw jack and address the problems through maintenance or contact the manufacturer for assistance.
  • Use Appropriate Personal Protective Equipment (PPE): When operating a screw jack, wear the necessary personal protective equipment (PPE) as recommended by the manufacturer and applicable safety regulations. This may include safety glasses, gloves, steel-toed shoes, or other protective gear depending on the specific application and work environment.
  • Ensure Stable Support: Place the screw jack on a stable and level surface capable of supporting the load. Ensure that the supporting structure or surface is capable of withstanding the forces generated during the lifting or lowering operation. Use appropriate blocking or shoring if additional support is required.
  • Do Not Exceed Load Capacity: Never exceed the load capacity specified by the manufacturer for the screw jack. Overloading the screw jack can lead to instability, component failure, or other safety hazards. It is important to know the weight of the load being lifted or supported and select a screw jack with an appropriate load rating.
  • Operate Smoothly and Carefully: Operate the screw jack smoothly and carefully, avoiding sudden or jerky movements. Use the operating handle or control mechanism provided by the manufacturer and follow the recommended operating procedures. Maintain control over the lifting or lowering process, and ensure that personnel or body parts are clear of pinch points or potential hazards.
  • Do Not Use as a Permanent Support: Screw jacks are not designed to be used as permanent supports or to sustain constant loads over extended periods. They are intended for intermittent or temporary use. Avoid using screw jacks as permanent supports or in situations where prolonged load-bearing is required.
  • Properly Store and Maintain: After use, properly store the screw jack in a clean and dry environment. Follow the manufacturer’s maintenance guidelines for lubrication, inspection, and periodic maintenance. Regularly check the screw jack for any signs of wear, damage, or deterioration, and address any issues promptly.
  • Training and Competence: Ensure that operators are adequately trained and competent in the safe operation of screw jacks. Training should cover proper use, maintenance, and understanding of the associated hazards and safety precautions.

Following these safety precautions when operating screw jacks promotes a safe working environment and helps prevent accidents or injuries. It is important to prioritize safety and adhere to the manufacturer’s guidelines and industry best practices.

screw jack

Can you explain the basic principle behind the operation of a screw jack?

The basic principle behind the operation of a screw jack is the conversion of rotational motion into linear motion. A screw jack consists of a threaded shaft, known as the screw, and a nut that engages with the screw’s threads. When the screw is rotated, it moves the nut linearly along its threads, resulting in linear displacement. Here are some key points regarding the basic principle of operation for a screw jack:

  • Rotational Motion: The operation of a screw jack begins with the application of rotational motion to the screw. This can be achieved through various means, such as manually turning a handle, using an electric motor, or employing hydraulic or pneumatic systems. The rotational motion is typically applied to the top end of the screw.
  • Threaded Shaft: The screw in a screw jack is a threaded shaft with helical grooves running along its length. The threads can be either square or trapezoidal in shape. The pitch of the screw refers to the distance traveled along the screw’s axis for each complete revolution. The pitch determines the linear displacement achieved per rotation.
  • Nut Engagement: The nut is a component that engages with the screw’s threads. It is typically a cylindrical or rectangular block with a threaded hole that matches the screw’s threads. The nut is free to move linearly along the screw’s length when the screw is rotated.
  • Linear Motion: As the screw is rotated, the nut moves along the screw’s threads, causing linear displacement. The direction and magnitude of the displacement depend on the rotational direction and the pitch of the screw. Clockwise rotation typically results in upward linear displacement, while counterclockwise rotation leads to downward displacement.
  • Mechanical Advantage: One of the advantages of a screw jack is its ability to provide a mechanical advantage. The pitch of the screw determines the distance traveled per revolution. By increasing the pitch or using multiple-start threads, the linear displacement achieved per rotation can be increased, allowing for the lifting or lowering of heavier loads with relatively less rotational effort.
  • Self-Locking: The friction between the screw and the nut helps to maintain the position of the load once the rotational force is removed. This self-locking characteristic of screw jacks allows them to hold loads in position without requiring continuous power or external braking mechanisms.

In summary, the basic principle behind the operation of a screw jack involves the conversion of rotational motion into linear motion. By rotating the screw, the nut moves along the screw’s threads, resulting in linear displacement. The pitch of the screw determines the distance traveled per revolution, and the self-locking nature of the screw and nut interface helps maintain the position of the load.

China Custom Arrow Bimetallic Screw and Barrel Spare Parts for Composite Machine   broken screw shaftChina Custom Arrow Bimetallic Screw and Barrel Spare Parts for Composite Machine   broken screw shaft
editor by CX 2023-12-08

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