China wholesaler POM Nylon Plastic Gear Sprocket

Product Description

Products Gear
Module   M0.5-M10
Precision grade DIN6, DIN7, DIN8, DIN10
Pressure angle 20 degree
Material C45 steel, Stainless steel 304, Plastic, Brass, 20CrMo,40Cr and so on
Heat treatment Hardening and Tempering, High Frequency Quenching,Carburizing etc
Surface treatment Blacking, Polishing, Anodization, Chrome Plating, Zinc Plating, Nickel Plating
Application Precision cutting machines. Lathes. Milling machines. Grinders. Automated mechanical systems.
Automated warehousing systems.
Machining process Hobbing, Milling, Drilling, Shaving, Grinding

Companies strictly enforce the ISO9001(2008)international quality certification system,
the product quality conforms to the eu RoHS standard.Specializing in the production of “engineering plastic accessories” of high-tech enterprises, the company has a set of
imported production equipment and CNC processing equipment, processing means advanced, strong technical force.Q1. We don’t have drawings, can we produce according to the samples we provide?
A1. OK
Q2.  How to customize plastic parts?
A2. Customized according to drawings
Q3. Can I make a sample for testing first?
A3. OK
Q4. How long is the proofing cycle?
A4. 2-5 days
Q5. What are your processing equipment?
A5. CNC machining center, CNC lathe, milling machine, engraving machine, injection molding machine, extruder, molding
machine
Q6. What craftsmanship do you have for processing accessories?
A6. According to different products, different processes are used, such as machining, extrusion, injection molding, etc.
Q7. Can injection products be surface treated? What are the surface treatments?
A7. OK. Surface treatment: spray paint, silk screen, electroplating, etc.
Q8. Can you help assembling the product after it is made?
A8. OK.
Q9. How much temperature can the plastic material withstand?
A9. Different plastic materials have different temperature resistance, the lowest temperature is -40ºC, and the highest
temperature is 300ºC. We can recommend materials according to the working conditions of your company.
Q10. What certifications or qualifications does your company have?
A10. Our company’s certificates are: ISO,  Rohs,  product patent certificates, etc.
Q11. How scale is your company?
A11. Our company covers an area of 2,000 square CZPT and has 100 employees.

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: Soft Tooth Surface
Gear Position: External Gear
Manufacturing Method: Cast Gear
Toothed Portion Shape: Spur Gear
Material: Nylon
Customization:
Available

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Customized Request

plastic sprocket

What are the temperature limits for the operation of plastic sprockets?

The temperature limits for the operation of plastic sprockets depend on the type of plastic material used in their manufacturing. Different plastics have varying levels of temperature resistance, and exceeding their temperature limits can lead to deformation, loss of mechanical properties, or even failure.

Here are some common plastics used for sprocket manufacturing and their approximate temperature limits:

  • Nylon: Nylon sprockets typically have a temperature range of -40°C to 100°C (-40°F to 212°F). Some specialty nylon formulations may offer higher temperature resistance.
  • Acetal (Delrin): Acetal sprockets generally have a temperature range of -40°C to 120°C (-40°F to 248°F). They have good mechanical properties and dimensional stability within this range.
  • Polyethylene (UHMW): UHMW sprockets can operate in temperatures ranging from -73°C to 82°C (-100°F to 180°F). They are known for their excellent impact strength and low friction properties.
  • PTFE (Teflon): PTFE sprockets can withstand temperatures from -200°C to 260°C (-328°F to 500°F). They have exceptional chemical resistance and non-stick properties.
  • Polypropylene: Polypropylene sprockets typically have a temperature range of -10°C to 100°C (14°F to 212°F). They offer good chemical resistance and are often used in corrosive environments.

It’s crucial to select the appropriate plastic material based on the temperature conditions of the specific application. Operating plastic sprockets above their temperature limits can lead to premature wear, reduced mechanical performance, and potential system failure. In high-temperature environments, it may be necessary to consider alternative materials such as metal sprockets that offer higher temperature resistance.

Consulting with a sprocket manufacturer or a materials expert is advisable to ensure that the chosen plastic sprocket is suitable for the intended operating temperature range and application requirements.

plastic sprocket

To identify signs of wear, fatigue, or damage in plastic sprockets, and determine when they should be replaced, follow these steps:

  1. Visual Inspection:
    • Check for visible signs of wear such as smooth or shiny surfaces, indicating friction and abrasion.
    • Look for cracks, chips, or deformities that may have occurred due to stress or impact.
    • Check for discoloration, as it can indicate degradation of the plastic material.
  2. Measurements:
    • Use calipers or other measuring tools to check for dimensional changes in the sprocket. Significant deviations from the original dimensions may indicate wear or fatigue.
  3. Fit and Function:
    • Observe how well the sprocket fits and meshes with other components. If there is increased play or misalignment, it might be a sign of wear or damage.
  4. Noise and Vibration:
    • Listen for unusual noises or excessive vibrations during operation, which can be a sign of wear, fatigue, or misalignment.
  5. Frequency of Use:
    • Consider how often the sprocket is in use. If it has been in service for an extended period or has undergone heavy use, it might be more susceptible to wear and fatigue.
  6. Operating Conditions:
    • Evaluate the environmental conditions the sprocket operates in. Exposure to extreme temperatures, chemicals, or harsh elements can accelerate wear and degradation.
  7. Manufacturer’s Recommendations:
    • Refer to the sprocket’s manufacturer guidelines for expected service life and recommended replacement intervals.

When to Replace Plastic Sprockets:

  • If any significant wear, cracks, or deformities are observed during inspection.
  • When the sprocket’s dimensions deviate significantly from the original specifications.
  • If there are signs of misalignment or increased play affecting its function.
  • When unusual noise or excessive vibration occurs during operation.
  • If the sprocket has been in service for a prolonged period or has undergone heavy use.
  • When the operating conditions have led to accelerated wear or degradation.
  • As recommended by the manufacturer’s guidelines for replacement intervals.

plastic sprocket

Are there different types of plastic used for manufacturing sprockets, and how do they differ?

Yes, various types of plastic materials are used for manufacturing sprockets, and each type offers unique characteristics and advantages. Here are some common types of plastics used for sprocket manufacturing and how they differ:

  • Acetal (Delrin): Acetal, commonly known by the brand name Delrin, is a popular choice for sprockets due to its excellent mechanical properties, low friction coefficient, and resistance to wear. It provides high tensile strength and stiffness, making it suitable for heavy-duty applications.
  • Polyethylene: Polyethylene is a lightweight plastic with good chemical resistance and electrical insulating properties. While it has lower strength compared to acetal, it is often used for less demanding applications where its flexibility and cost-effectiveness are advantageous.
  • Polypropylene: Polypropylene offers good chemical resistance and can handle higher temperatures than polyethylene. It is commonly used in applications where exposure to chemicals or high temperatures is a concern.
  • UHMW (Ultra-High-Molecular-Weight Polyethylene): UHMW is a high-performance plastic known for its exceptional abrasion resistance and impact strength. It is often used in applications where wear and impact are significant concerns, such as in material handling and conveyor systems.
  • Nylon: Nylon is another widely used material for sprocket manufacturing. It offers good strength, toughness, and wear resistance. Nylon sprockets are suitable for applications where self-lubrication and low friction are essential.
  • PTFE (Teflon): PTFE is a high-performance plastic with excellent chemical resistance and a low coefficient of friction. It is commonly used in applications where non-stick properties and resistance to harsh chemicals are required.
  • Peek (Polyetheretherketone): Peek is a high-performance engineering plastic known for its exceptional mechanical properties, high temperature resistance, and excellent chemical resistance. It is often used in demanding applications that require extreme temperature and chemical resistance.

The choice of plastic material for sprocket manufacturing depends on the specific requirements of the application, including the operating environment, load-carrying capacity, temperature range, and chemical exposure. It is essential to consider these factors when selecting the appropriate plastic material to ensure the sprocket performs optimally and meets the desired performance expectations.

China wholesaler POM Nylon Plastic Gear Sprocket  China wholesaler POM Nylon Plastic Gear Sprocket
editor by CX 2023-08-15

Plastic Sprocket

As one of the leading plastic sprocket manufacturers, suppliers, and exporters of mechanical products, We offer plastic sprockets and many other products.

Please contact us for details.

Manufacturer supplier exporter of plastic sprockets.

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