China high quality High Precision Injection Plastic Mould Plastic Helical Gear/Spur Gear Injection Mold worm gear winch

Product Description

Product Description

Our Services

7*24 Hour Service

♦ Circumspect Technology Team

♦ All-around consultation centre

♦ Considerate training service

♦ Fast Service System

♦ Quick Global Delivery

 

Pre-sale
First confirm the types and quatity with customers

Patient, serious, carefully

Arrange to produce and care for the leadtime

Before delivery , confirm the items carefully

After sales

Arrange to delivery as soon as possible 

Confirm the items if arrived at customers’ hands

Get feedback from customers and try to do best 

Company Profile

Certifications

Product Parameters

Packaging & Shipping

Our salers on line 24 hours , reply customers’ questions in time  , customers are god!

FAQ

FAQ About Plastic Mould Manufacturing:

 

Q1: What kind of molds do you make? Plastic injection mold, Die casting mold or something else?

A1: We are mainly making plastic mold injection and Die casting mold.
   Sometimes we also make stamping molds according to our customer’s requirements.

Q2: What types of files do you accept (drawings)?
A2: With our CAD systems we can accept following files:
     STP, IGS, DXF, DWG, Cad Key PPT, STL, X_T, CATIA, UG files, etc.

Q3: What kind of steel do you use for plastic mouldings?
A3: We can use any type of steel appointed by customer or popular in the market.
      Such as P20, 718, 8407, NAK80, H13, S136, DIN 1.2738, DIN 1.2344, etc.

Q4: Can you provide the steel certificate and heat-treatment certificate?
A4: Yes, We can provide steel certificate or hardness certificate to prove.

Q5: Can you make the texture / text / heat_treatment /nitriding for the inejction  mold plastic?
A5: Yes, As plastic mold fatory, we have long_term cooperated subsidiary factories that       do those processes.They are professional and well reputed in our local market.

Q6: How long is the lead-time for a ?plastic injection mold?
A6: It all depends on the mold’s size and complexity.Normally, the lead time is 25_45 days.If the Plastic Mouldings are very simple and not big size, we can work out within 15 days.

Q7: Do you make spare parts for your customer?
A7: Yes, we will provide spare parts for the mold if needed or required by client.

Q8: How do you pack the china plastic moulds?
A8: We pack the plastic moulds with wooden box.
     There are the main 3 operation steps.
     First Step: We daub some rust preventive oil on the mold.
     Second step: We pack the mold with thin plastic film to avoid moisture.
    Third step: We put this plastic film packed mold in a wooden box, and fix it avoid any 

     movement.

FAQ About Molded Products:
Q9: How many injection plastic mouldings machines do you have?
A9: We have 40 sets of ?plastic Injection Mouldings machines.

Q10: what is the minimum & maximum unit weight and size your machines  can produce?
A10: Our machines produce the unit parts from 1 gram to 6000 grams weight.
    Our machines can produce the maximum size of unit plastic part: 1.5*1.5*1.5 meters.

Q11: What kind of plastic materials you usually use?
A11: We are specialized in producing plastic products with the following materials:
       PP, ABS,PC,POM,PA,HDPE,HIPE,PS,AS,PBT,PET,PMMA,PVC and so on.

FAQ About Worldwide Delivery
Q12: Can you deliver the plastic moulds or plastic products to our factory?
A12: Yes, We have cooperated with many international logistics companies for years.
       And we have full experience to manage the delivery directly to the client’s factory or

       appointed warehouse.

 

 

Hi dear, we sincerely invite you to visit our factory to see the whole production line, and please kindly send me email now so that we can send you the quotation list, have a good day !

Warranty: 7*24h
Shaping Mode: Injection Mould
Surface Finish Process: Polishing
Mould Cavity: Single Cavity
Plastic Material: ABS
Process Combination Type: Compound Die
Samples:
US$ 1/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

plastic gear

How do plastic gears contribute to reducing noise and vibration?

Plastic gears contribute to reducing noise and vibration in various applications. Here’s a detailed explanation of how they achieve this:

Plastic gears possess inherent properties that help dampen noise and vibration during operation. These properties, combined with specific design considerations, contribute to the reduction of noise and vibration in the following ways:

  • Damping Characteristics: Plastic materials have inherent damping characteristics, meaning they have the ability to absorb and dissipate vibrations. When compared to metal gears, which are stiffer and transmit vibrations more efficiently, plastic gears can effectively reduce the transmission of vibrations through their damping properties.
  • Reduced Resonance: Plastic gears have the ability to attenuate resonant frequencies, which are frequencies at which vibrations can be amplified. By properly designing the tooth profile, gear geometry, and material selection, plastic gears can shift or dampen these resonant frequencies, preventing excessive vibration and noise generation.
  • Tighter Gear Mesh Tolerances: Plastic gears can be manufactured with tighter gear mesh tolerances, which refers to the amount of clearance or backlash between mating gear teeth. Tighter tolerances lead to better gear engagement and reduced impact or vibration during gear meshing, resulting in quieter operation.
  • Surface Finishes: The surface finish of plastic gears can be optimized to reduce friction and noise. Smoother gear surfaces reduce the potential for gear tooth noise and improve the overall meshing characteristics between gears. Proper lubrication or the use of self-lubricating plastic materials can further enhance the noise-reducing properties.
  • Flexibility in Tooth Design: Plastic gears offer greater flexibility in tooth design compared to metal gears. Engineers can optimize the tooth profile and modify the gear geometry to minimize noise and vibration. For example, incorporating modifications such as profile shifting, tip relief, or helical teeth can help reduce gear noise by promoting smoother and more gradual tooth engagements.

By leveraging these characteristics and design considerations, plastic gears can effectively reduce noise and vibration levels in various applications. This makes them particularly suitable for use in noise-sensitive environments, such as consumer electronics, automotive components, or office equipment.

It’s important to note that while plastic gears can contribute to noise and vibration reduction, the specific noise performance also depends on other factors within the overall system, such as gear arrangement, supporting structures, and the presence of other noise sources. Therefore, a holistic approach to noise reduction should be considered when incorporating plastic gears into a design.

plastic gear

How do plastic gears handle lubrication and wear?

Plastic gears handle lubrication and wear differently compared to metal gears. Here’s a detailed explanation of their behavior:

1. Lubrication in Plastic Gears: Lubrication plays a crucial role in the performance and longevity of plastic gears. While metal gears often require continuous lubrication, plastic gears have different lubrication requirements due to their inherent properties. Here are some key considerations:

  • Self-Lubrication: Some plastic materials, such as certain formulations of polyoxymethylene (POM), have inherent self-lubricating properties. These materials have a low coefficient of friction and can operate with minimal lubrication or even dry. Self-lubricating plastic gears can be advantageous in applications where the use of external lubricants is impractical or undesirable.
  • Lubricant Compatibility: When external lubrication is necessary, it’s important to choose lubricants that are compatible with the specific plastic material used in the gears. Certain lubricants may degrade or adversely affect the mechanical properties of certain plastics. Consultation with lubricant manufacturers or experts can help identify suitable lubricants that won’t cause degradation or wear issues.
  • Reduced Lubricant Requirements: Plastic gears generally have lower friction coefficients compared to metal gears. This reduced friction results in lower heat generation and less wear, which in turn reduces the demand for lubrication. Plastic gears may require less frequent lubricant replenishment or lower lubricant volumes, reducing maintenance requirements.
  • Appropriate Lubricant Application: When applying lubricant to plastic gears, care should be taken to avoid excessive amounts that could lead to contamination or leakage. Lubricants should be applied in a controlled manner, ensuring they reach the critical contact points without excessive buildup or excess spreading beyond the gear surfaces.

2. Wear in Plastic Gears: Plastic gears exhibit different wear characteristics compared to metal gears. While metal gears typically experience gradual wear due to surface interactions, plastic gears may undergo different types of wear mechanisms, including:

  • Adhesive Wear: Adhesive wear can occur in plastic gears when high loads or speeds cause localized melting or deformation at the gear teeth contact points. This can result in material transfer between gear surfaces and increased wear. Proper material selection, gear design optimization, and lubrication can help minimize adhesive wear in plastic gears.
  • Abrasive Wear: Abrasive wear in plastic gears can be caused by the presence of abrasive particles or contaminants in the operating environment. These particles can act as abrasive agents, gradually wearing down the gear surfaces. Implementing effective filtration or sealing mechanisms, along with proper maintenance practices, can help reduce abrasive wear in plastic gears.
  • Fatigue Wear: Plastic materials can exhibit fatigue wear under cyclic loading conditions. Repeated stress and deformation cycles can lead to crack initiation and propagation, ultimately resulting in gear failure. Proper gear design, material selection, and avoiding excessive loads or stress concentrations can help mitigate fatigue wear in plastic gears.

3. Gear Material Selection: The choice of plastic material for gears can significantly impact their lubrication and wear characteristics. Different plastic materials have varying coefficients of friction, wear resistance, and compatibility with lubricants. It’s important to select materials that offer suitable lubrication and wear properties for the specific application requirements.

4. Operational Considerations: Proper operating conditions and practices can also contribute to the effective handling of lubrication and wear in plastic gears. Avoiding excessive loads, controlling operating temperatures within the material’s limits, implementing effective maintenance procedures, and monitoring gear performance are essential for ensuring optimal gear operation and minimizing wear.

In summary, plastic gears can handle lubrication and wear differently compared to metal gears. They may exhibit self-lubricating properties, reduced lubricant requirements, and require careful consideration of lubricant compatibility. Plastic gears can experience different types of wear, including adhesive wear, abrasive wear, and fatigue wear. Proper material selection, gear design, lubrication practices, and operational considerations are crucial for ensuring efficient lubrication and minimizing wear in plastic gears.

plastic gear

What industries commonly use plastic gears?

Plastic gears find applications in various industries due to their unique properties and advantages. Here’s a detailed explanation of the industries that commonly use plastic gears:

  • Automotive: Plastic gears are used in automotive applications such as power windows, seat adjusters, HVAC systems, windshield wipers, and various motor-driven mechanisms. Their lightweight nature, noise reduction capabilities, and corrosion resistance make them suitable for these applications.
  • Consumer Electronics: Plastic gears are used in consumer electronics devices like printers, scanners, cameras, and audio equipment. Their lightweight construction, low noise generation, and design flexibility make them ideal for compact and noise-sensitive applications.
  • Medical: Plastic gears are utilized in medical devices and equipment such as pumps, lab instruments, diagnostic devices, and surgical equipment. Their corrosion resistance, lubricity, and ability to be sterilized make them suitable for medical environments.
  • Office Equipment: Plastic gears are commonly found in office equipment like printers, photocopiers, scanners, and shredders. Their low noise operation, lightweight construction, and cost-effectiveness make them popular choices in these applications.
  • Industrial Machinery: Plastic gears are used in various industrial machinery applications, including packaging equipment, conveyor systems, material handling equipment, and small gearboxes. Their self-lubricating properties, corrosion resistance, and noise reduction capabilities make them suitable for these industrial environments.
  • Toys and Games: Plastic gears are extensively used in toys, hobbyist models, and games. Their lightweight nature, cost-effectiveness, and ease of customization allow for the creation of intricate moving parts in these recreational products.
  • Aerospace: Plastic gears are used in certain aerospace applications, particularly in non-critical systems such as cabin equipment, small actuators, and control mechanisms. Their lightweight construction and noise reduction characteristics are advantageous in aerospace applications.
  • Telecommunications: Plastic gears find applications in telecommunications equipment such as routers, switches, and communication devices. Their lightweight design, noise reduction properties, and cost-effectiveness make them suitable for these applications.

These are just a few examples of the industries that commonly use plastic gears. The versatility, cost-effectiveness, design flexibility, and specific performance characteristics of plastic gears make them valuable components in numerous applications across various sectors.

China high quality High Precision Injection Plastic Mould Plastic Helical Gear/Spur Gear Injection Mold worm gear winchChina high quality High Precision Injection Plastic Mould Plastic Helical Gear/Spur Gear Injection Mold worm gear winch
editor by CX 2023-11-02