Product Description
Product Description
Nylon Introduction:
Nylon,means Monomer Casting Nylon, is a kind of engineering plastics used in comprehensive industries, has been applied almost every industrial field.
The caprolactam monomer is first melted, and added catalyst, then poured it inside moulds at atmosphere pressure so as to shape in different castings, such as: rod, plate, tube. The molecule weight of MC Nylon can reach 70,05710,000/mol, three times than PA6/PA66. Its mechanical properties are much higher than other nylon materials, such as: PA6/PA66.
Property of PA6:
| Property | Item No. | Unit | Value | |
| Mechanical Properties | 1 | Density | g/cm3 | 1.13 |
| 2 | Water absorption(23ºC in air) | % | 1.8-2.0 | |
| 3 | Tensile strength | MPa | 86 | |
| 4 | Tensile strain at break | % | 28 | |
| 5 | Compressive stress(at 2%nominal strain) | MPa | 51 | |
| 6 | Charpy impact strength (unnotched) | KJ/m2 | No break | |
| 7 | Charpy impact strength (notched) | KJ/m2 | ≥5.7 | |
| 8 | Tensile modulus of elasticity | MPa | 3190 | |
| 9 | Ball indentation hardness | N/mm2 | 162 | |
| 10 | Rockwell hardness | – | M86 | |
Our Services
Wholesale of standard and nonstandard high-precision plastic gears, plastic pulleys and plastic gearboxes;
Designing, processing and manufacturing high-precision plastic gears and parts according to your drawings or samples;
Precision plastic injection molding and tooling.
Application & Industry
1. Textile Industry:
2. Chemical Industry:
3. Food Processing Industry:
4. Paper Industry:
5. Material Handling:
6. Farm Implement
7. Mining & Metals Processing Industries:
8. Transportation:
9. Consumer Products:
10. Waste Water Treatment
Why choose us?
1. We have our own factory, so we can supply you the factory price.
2. We are professional supplier, so we have our own technique personnel and sale team.
3. Delivery on time.
4. We have ISO9001:2008 certification and have professional personnel to 100% inspect the products,
so don’t worries about the quality.
5. Competitive price and nice service.
6. High quality products always can meet customers’ requirement.
7. Offer best service for our customers is our responsibility.
8. OEM and ODM service are available.
Quality guarantee
| chemical checking, NDE after rough machining, mechanical testing after heat treatment, final NDE, dimension inspected |
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| Quality document | full Q.A document as per client request |
| Packing and shipping | standard export package(carton/wooden case/pallet) accept FOB,FAS,CNF,CIF door to door etc. or customer designated shipping agent. |
| Service | Drawing: we can translate your original drawing, offer best suggestion on design. Quality: we have full set quality control system to guarantee the best quality. Inspection: inspect in house, all our products must be checked 3 times before packing. |
| Inspection | in-house foundry third party inspection available upon requirement |
| Application: | Motor, Electric Cars, Machinery, Marine, Toy, Agricultural Machinery |
|---|---|
| Hardness: | Soft Tooth Surface |
| Gear Position: | External Gear |
| Manufacturing Method: | Cut Gear |
| Toothed Portion Shape: | Spur Gear |
| Material: | Nylon |
| Customization: |
Available
| Customized Request |
|---|
What are the benefits of using plastic gears over traditional materials?
Using plastic gears instead of traditional materials offers several benefits. Here’s a detailed explanation of the advantages of using plastic gears:
- Weight Reduction: Plastic gears are significantly lighter in weight compared to gears made from traditional materials such as metal. This lightweight characteristic is advantageous in applications where weight reduction is important, as it can contribute to energy efficiency, lower inertia, and reduced wear on supporting components.
- Noise and Vibration Reduction: Plastic gears have inherent damping properties that help reduce noise and vibration levels during operation. This makes them suitable for applications where noise reduction is desired, such as in consumer electronics or office equipment. Metal gears, on the other hand, tend to generate more noise and vibration due to their higher stiffness.
- Self-Lubrication: Certain plastic materials used in gears have inherent lubricating properties, allowing for self-lubrication between gear teeth. This reduces friction and wear, eliminating the need for external lubrication and simplifying maintenance requirements. Metal gears, on the other hand, typically require lubrication to reduce friction and wear.
- Corrosion Resistance: Plastic gears can exhibit excellent resistance to corrosion and chemicals, depending on the chosen plastic material. This makes them suitable for applications in corrosive environments where metal gears may suffer from degradation or require additional protective measures.
- Design Flexibility: Plastic gears offer greater design flexibility compared to metal gears. Plastic materials can be easily molded into complex shapes, allowing for the creation of custom gear profiles and tooth geometries. This design flexibility enables gear optimization for specific applications, improving performance, efficiency, and overall machinery design.
- Cost-Effectiveness: Plastic gears are often more cost-effective compared to gears made from traditional materials. Plastic materials are generally less expensive than metals, and the manufacturing processes for plastic gears, such as injection molding, can be more efficient and economical for large-scale production.
- Electrical Insulation: Plastic gears offer electrical insulation properties, which can be advantageous in applications where electrical isolation is required. Metal gears, on the other hand, can conduct electricity and may require additional insulation measures in certain situations.
- Customization and Color Options: Plastic gears can be easily customized in terms of shape, size, color, and surface finish. This allows for branding, aesthetic preferences, or specific identification requirements in various applications. Metal gears, on the other hand, have more limited options for customization.
These benefits make plastic gears attractive alternatives to traditional materials in many applications. However, it’s important to consider the specific requirements and operating conditions of the application when selecting the appropriate gear material.
What is the impact of temperature variations on plastic gears?
Temperature variations can have a significant impact on plastic gears. Here’s a detailed explanation of their effects:
1. Thermal Expansion: Plastic gears can experience thermal expansion or contraction with changes in temperature. Different types of plastics have varying coefficients of thermal expansion, meaning they expand or contract at different rates. This can result in dimensional changes, which may affect the gear’s meshing, clearance, and overall performance. It’s important to consider the thermal expansion characteristics of the specific plastic material used in the gear design.
2. Material Softening or Hardening: Plastic materials can exhibit changes in mechanical properties with temperature variations. In general, as temperature increases, plastic materials tend to soften and become more flexible, while at lower temperatures, they can become stiffer and more brittle. These changes can impact the gear’s load-bearing capacity, wear resistance, and overall durability. It’s crucial to select plastic materials that can maintain their mechanical integrity within the expected temperature range of the application.
3. Dimensional Stability: Plastic gears may experience dimensional changes or warping due to temperature fluctuations. Higher temperatures can cause plastic materials to deform, leading to misalignment, increased backlash, or reduced gear accuracy. Conversely, lower temperatures can cause contraction, resulting in tight clearances, increased friction, or gear binding. Proper design considerations, including material selection and gear geometry, can help mitigate the impact of temperature-induced dimensional changes.
4. Lubrication and Wear: Temperature variations can affect the lubrication properties of plastic gears. Higher temperatures can cause lubricants to degrade or become less effective, leading to increased friction, wear, and potential gear failure. Similarly, low temperatures can cause lubricants to thicken or solidify, hindering proper lubrication and increasing wear. Selecting lubricants suitable for the anticipated temperature range and periodic maintenance can help ensure proper lubrication and minimize wear on plastic gears.
5. Cold Flow and Creep: Some plastic materials, especially those with lower glass transition temperatures, may exhibit cold flow or creep at elevated temperatures. Cold flow refers to the gradual deformation or flow of plastic material under constant stress, while creep refers to the time-dependent deformation under a constant load. These phenomena can cause changes in gear geometry, tooth profile, or tooth engagement over time, potentially affecting gear performance and functionality. Understanding the material’s creep and cold flow characteristics is important when selecting plastic gears for applications exposed to temperature variations.
6. Impact on Lubricants and Seals: Temperature variations can also impact the performance of lubricants and seals used in gear systems. Extreme temperatures can cause lubricants to break down, lose viscosity, or leak from the gear assembly. Seals and gaskets may also be affected, leading to compromised gear housing integrity or increased friction. It’s crucial to consider temperature compatibility and select appropriate lubricants and seals that can withstand the anticipated temperature range.
In summary, temperature variations can significantly impact plastic gears by causing thermal expansion, material softening or hardening, dimensional changes, lubrication issues, cold flow or creep, and effects on lubricants and seals. Proper material selection, design considerations, and understanding the anticipated temperature range are essential to ensure the reliable and optimal performance of plastic gears in various applications.
What are the advantages of using plastic gears in machinery?
Plastic gears offer several advantages when used in machinery. Here’s a detailed explanation of the advantages of using plastic gears:
- Lightweight: Plastic gears are significantly lighter in weight compared to metal gears. This lightweight characteristic is particularly beneficial in applications where weight reduction is important, as it can contribute to energy efficiency, lower inertia, and reduced wear on supporting components.
- Low Noise and Vibration: Plastic gears have inherent damping properties, which help reduce noise and vibration levels during operation. The ability to absorb and dissipate vibrations leads to quieter machinery, making plastic gears suitable for applications where noise reduction is desired, such as in consumer electronics or office equipment.
- Corrosion Resistance: Certain plastic materials used in gear manufacturing exhibit excellent resistance to corrosion and chemicals. This makes plastic gears suitable for applications in corrosive environments, where metal gears may suffer from degradation or require additional protective coatings.
- Self-Lubrication: Some plastic materials used for gear manufacturing have self-lubricating properties. These materials can reduce friction and wear between gear teeth, eliminating the need for external lubrication. Self-lubricating plastic gears can simplify maintenance requirements and reduce the risk of lubricant contamination or leakage in machinery.
- Cost-Effective: Plastic gears can be more cost-effective compared to metal gears, especially in large-scale production. Plastic materials are often less expensive than metals, and the manufacturing processes for plastic gears can be more efficient, resulting in lower overall production costs. This cost advantage makes plastic gears an attractive option for applications where budget considerations are important.
- Design Flexibility: Plastic gears offer greater design flexibility compared to metal gears. Plastic materials can be easily molded into complex shapes, allowing for the creation of custom gear profiles and tooth geometries. This design flexibility enables gear optimization for specific applications, improving performance, efficiency, and overall machinery design.
- Electrical Insulation: Plastic gears provide electrical insulation properties, which can be advantageous in machinery where electrical or electronic components are in close proximity to the gears. The electrical insulation helps prevent the risk of electrical short circuits or interference caused by metal gears coming into contact with conductive parts.
It’s important to note that while plastic gears offer unique advantages, they also have limitations. They may not be suitable for applications requiring extremely high torque, high temperatures, or where precise positioning is critical. The selection of plastic gears should consider the specific requirements of the machinery and the mechanical properties of the chosen plastic material.
editor by CX 2023-11-07