Product Description
OEM ODM Custom Precision Steel Machining Forged Spur Plastic Gears
Gear transmission relies on the thrust between gear teeth to transmit motion and power, also known as meshing transmission. With this gradual meshing, helical gears operate much more smoothly and quietly than spur gears. Therefore, almost all automobile transmissions use helical gears.Since the teeth on the helical gear present a certain angle, the gears will be under a certain amount of stress when they mesh. Equipment using helical gears is equipped with bearings to withstand this pressure.
Product Description
| Product name | helical gear |
| Materials Available | Stainless Steel, Carbon Steel, Brass, Bronze, Iron, Aluminum Alloy,Copper,Plastic etc |
| Heat Treatment | Quenching & Tempering, Carburizing & Quenching, High-frequency Hardening, Carbonitriding…… |
| Surface Treatment | Carburizing and Quenching,Tempering ,Tooth suface high quenching Hardening,Tempering |
| BORE | Finished bore, Pilot Bore, Special request |
| Processing Method | Molding, Shaving, Hobbing, Drilling, Tapping, Reaming, Manual Chamfering, Grinding etc |
| Pressure Angle | 20 Degree |
| Hardness | 55- 60HRC |
| Size | Customer Drawings & ISO standard |
| Package | Wooden Case/Container and pallet, or made-to-order |
| Certificate | ISO9001:2008 |
| Applications | Electric machinery, metallurgical machinery, environmental protection machinery, electronic and electrical appliances, road construction machinery, chemical machinery, food machinery, light industrial machinery, mining machinery, transportation machinery, construction machinery, building materials machinery, cement machinery, rubber machinery, water conservancy machinery and petroleum machinery |
| Machining Process | Material preparation, normalizing, rough turning, quenching and tempering, semi fine turning outer circle, rough turning spiral surface, fine turning (fine grinding) inner hole end face, keyway, semi fine turning spiral surface, pliers (rest incomplete teeth), semi fine grinding outer circle, semi fine grinding spiral surface, grinding center hole, fine grinding outer circle, fine grinding spiral surface, finished product inspection |
| Advantages | 1. Produce strictly in accordance with ANSI or DIN standard dimension 2. Material: SCM 415 steel 3. Bore: Finished bore 4. Precision grade: DIN 5 to DIN 7 5. Surface treatment: Carburizing and Quenching 6. Module: From 1 to 4 7. Tooth: From Z15 to Z70 |
Specifction:
| Number | Number of Teeth | Shaft Bore Dia. AH7 (1mm Increment) | Twisting Direction | B | C | D | E | F | G | ||
| Type | Module | Straight Bore Straight Bore+Tap | Keyway+Tap | ||||||||
| Straight Bore
Straight Bore+Tap Keyway+Tap |
1.0 | 20 | 6 | 8 | L(Left)
R(Right) |
17 | 20 | 22 | 8 | 10 | 18 |
| 22~ 28 | 8 | 8~13 | 18~20 | 22~28 | 24~30 | ||||||
| 30~48 | 10 | 10~17 | 25~30 | 30~48 | 32~50 | ||||||
| 50~70 | 12 | 12~17 | 35~40 | 50~70 | 52~72 | ||||||
| 80~100 | 15 | 15~30 | 50 | 80~100 | 82~102 | ||||||
| 1.5 | 20~26 | 12 | 12~17 | 24~32 | 30~39 | 33~42 | 12 | 12 | 24 | ||
| 28~44 | 15 | 15~30 | 36~50 | 42~67.5 | 45~70.5 | ||||||
| 45~52 | 18 | 18~40 | 50~60 | 72~78 | 75~81 | ||||||
| 60~100 | 20 | 20-50 | 60~70 | 90~150 | 93·153 | ||||||
| 2.0 | 15~18 | 12 | 12~17 | 24~30 | 30~36 | 34~40 | 16 | 13 | 29 | ||
| 20~28 | 15 | 15·22 | 32~45 | 40~56 | 44~60 | ||||||
| 30~36 | 18 | 18~40 | 50 | 60~72 | 64~76 | ||||||
| 40~48 | 20 | 20~44 | 60 | 80~96 | 84~100 | ||||||
| 50~100 | 25 | 25~60 | 60~100 | 100~200 | 104~204 | ||||||
| 2.5 | 15~18 | 15 | 15~30 | 30~38 | 37.5~45 | 42.5~50 | 20 | 14 | 34 | ||
| 20~24 | 18 | 18~40 | 40~48 | 50~60 | 55~65 | ||||||
| 25~36 | 20 | 20~50 | 50~70 | 62.5~90 | 67.5~95 | ||||||
| 40~60 | 25 | 25~70 | 70~80 | 90~150 | 95~155 | ||||||
| 3.0 | 15~18 | 18 | 18~22 | 36~40 | 45~54 | 51~60 | 25 | 16 | 4 | ||
Company Profile
Packaging & Shipping
FAQ
| Main Markets? | North America, South America, Eastern Europe , West Europe , North Europe, South Europe, Asia |
| How to order? | * You send us drawing or sample |
| * We carry through project assessment | |
| * We give you our design for your confirmation | |
| * We make the sample and send it to you after you confirmed our design | |
| * You confirm the sample then place an order and pay us 30% deposit | |
| * We start producing | |
| * When the goods is done, you pay us the balance after you confirmed pictures or tracking numbers. | |
| * Trade is done, thank you!! |
If you are interested in our products, please tell us which materials, type, width, length u want.
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| Application: | Motor, Motorcycle, Machinery, Toy, Agricultural Machinery, Manipulator Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Gear Position: | External Gear |
| Manufacturing Method: | Rolling Gear |
| Toothed Portion Shape: | Spur Gear |
| Material: | S45c |
| Samples: |
US$ 13/Piece
1 Piece(Min.Order) | |
|---|
| 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.
Are there specific design considerations for using plastic gears?
Yes, there are specific design considerations that need to be taken into account when using plastic gears. Here’s a detailed explanation of these considerations:
1. Material Selection: Choosing the right plastic material for the gear application is crucial. Different plastic materials have varying mechanical properties, such as strength, stiffness, and wear resistance. Consider factors such as load-bearing requirements, operating temperatures, environmental conditions, and compatibility with lubricants. It’s important to select a plastic material that can withstand the specific demands of the application.
2. Gear Geometry: The design of plastic gears should consider factors such as tooth profile, module or pitch, pressure angle, and tooth thickness. The gear geometry should be optimized to ensure proper meshing, efficient power transmission, and minimal noise and vibration. The design should also take into account the limitations and capabilities of the plastic material, such as its ability to form precise tooth profiles and maintain dimensional stability.
3. Clearances and Tolerances: Plastic gears may require different clearances and tolerances compared to metal gears. The coefficient of thermal expansion, dimensional stability, and manufacturing processes of plastic materials can affect the gear clearances. It’s important to consider the thermal expansion characteristics of the specific plastic material and provide appropriate clearances to accommodate temperature variations. Tight tolerances may result in binding or increased friction, while excessive clearances can lead to backlash and reduced gear accuracy.
4. Load Distribution: Distributing the load evenly across the gear teeth is essential for preventing premature wear and failure. Consider gear design elements such as tooth profile, tooth width, and the number of teeth to optimize load distribution. Reinforcing the gear teeth with fillets or other strengthening features can help improve load-bearing capacity and reduce stress concentrations.
5. Stiffness and Deflection: Plastic gears generally have lower stiffness compared to metal gears. The design should consider the potential for deflection or deformation under load. It may be necessary to increase the gear size, modify the tooth geometry, or incorporate additional support structures to enhance stiffness and minimize deflection. Analytical tools and simulations can be employed to assess and optimize gear design for stiffness and deflection.
6. Lubrication and Wear: Proper lubrication is important for the performance and durability of plastic gears. Consider the lubrication requirements of the specific plastic material and design features that facilitate effective lubricant distribution. Pay attention to potential wear mechanisms, such as adhesive wear or abrasive wear, and incorporate measures to minimize wear, such as optimized tooth profiles, lubricant selection, and sealing mechanisms.
7. Environmental Factors: Plastic gears may be subjected to various environmental factors such as temperature extremes, humidity, chemicals, and UV exposure. Evaluate the potential impact of these factors on the gear material and design. Select plastic materials that offer resistance to environmental degradation and consider protective measures, such as coatings or encapsulation, to enhance the gear’s resistance to environmental conditions.
8. Manufacturability: Consider the manufacturability of plastic gears during the design phase. Different plastic materials may have specific requirements or limitations for manufacturing processes such as injection molding or machining. Design features that facilitate efficient and cost-effective production, such as draft angles, parting lines, and tooling considerations, should be taken into account.
By considering these specific design considerations, such as material selection, gear geometry, clearances, load distribution, stiffness, lubrication, environmental factors, and manufacturability, it’s possible to optimize the design and performance of plastic gears for 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 Dream 2024-05-14