Product Description
High Precision Aluminum Stainless Steel Metal Helical Small Pinion Gear
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
Main Features:
Screw Gear
1. Produce strictly in accordance with ANSI or DIN standard dimension
2. Material: S45C
3. Bore: Finished bore
4. Precision grade: DIN 9
5. Surface treatment: Carburizing and Quenching
6. Module: From 1 to 4
7. Tooth Number: 10, 13, 15, 20, 26, 30
| Product name | Spur Gear & Helical Gear & Gear Shaft |
| Customized service | OEM, drawings or samples customize |
| Materials Available | Stainless Steel, Carbon Steel, S45C, SCM415, 20CrMoTi, 40Cr, Brass, SUS303/304, Bronze, Iron, Aluminum Alloy etc |
| Heat Treatment | Quenching & Tempering, Carburizing & Quenching, High-frequency Hardening, Carbonitriding…… |
| Surface Treatment | Conditioning, Carburizing and Quenching,Tempering ,High frequency quenching, Tempering, Blackening, QPQ, Cr-plating, Zn-plating, Ni-plating, Electroplate, Passivation, Picking, Plolishing, Lon-plating, Chemical vapor deposition(CVD), Physical vapour deposition(PVD)… |
| 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 |
| Machining Process | Gear Hobbing, Gear Milling, Gear Shaping, Gear Broaching, Gear Shaving, Gear Grinding and Gear Lapping |
| Applications | Printing Equipment Industry, Laser Equipment Industry, Automated Assemblyline Industry, Woodening Industry, Packaging Equipment Industry, Logistics storage Machinery Industry, Robot Industry, Machine Tool Equipment Industry |
Company Profile
Packaging & Shipping
FAQ
1.Which countries is the main markets?
A: North America, South America, Eastern Europe, Weat Europe, North Europe, South Europe, Asia
2. How to order?
A:1) you send us drawing or sample;
2) we carry through project assessment;
3) we give you our design for your comfirmation;
4) we make the sample and send it to you after you confirmed our design;
5) we start producing;
6) when the goods is done, you pay us the balance after you confirmed pictures or tracking numbers;
7) trade is done, thank you!
Payment: T/T
If you are interested in our products, please tell us which materials, type, width, length u want. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Machine Tool Manufacturing |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Gear Position: | External Gear |
| Manufacturing Method: | Rolling Gear |
| Toothed Portion Shape: | Curved Gear |
| Material: | Stainless Steel |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What is the impact of temperature variations on aluminum gears?
The impact of temperature variations on aluminum gears can be significant. Here’s a detailed explanation:
1. Thermal Expansion: Aluminum gears, like most metals, expand with increasing temperature and contract with decreasing temperature. This thermal expansion can affect the dimensional stability of the gears, leading to changes in gear meshing, backlash, and overall gear performance. It is crucial to consider the coefficient of thermal expansion of the specific aluminum alloy used and account for it in gear design and assembly.
2. Mechanical Properties: Temperature variations can influence the mechanical properties of aluminum gears. At higher temperatures, aluminum alloys may experience a reduction in strength, stiffness, and hardness. This can affect the load-carrying capacity and durability of the gears, especially in applications involving high operating temperatures. Additionally, prolonged exposure to elevated temperatures can cause thermal degradation and a loss of mechanical properties over time.
3. Lubrication: Temperature changes can impact the lubrication properties of the gear system. Lubricants behave differently at different temperatures, and extreme temperature variations can affect their viscosity, film thickness, and lubricating effectiveness. Insufficient lubrication due to temperature-related changes can lead to increased friction, wear, and potential gear failures. Proper selection of lubricants and consideration of temperature effects are essential.
4. Thermal Cycling: Cycling between high and low temperatures can induce thermal stresses in aluminum gears. These thermal stresses, combined with mechanical loading, can contribute to fatigue failure, cracking, or distortion of the gears over time. It is important to evaluate the thermal cycling conditions and design the gears to withstand the associated thermal stresses to ensure long-term reliability.
5. Heat Dissipation: Aluminum has good thermal conductivity, which allows it to dissipate heat effectively. In applications where the gears generate significant heat, such as high-speed or heavy-load operations, aluminum gears can help dissipate heat and prevent overheating. However, excessive temperatures can still cause thermal stress and affect the overall performance and lifespan of the gears.
6. Operating Envelope: Temperature variations define the operating envelope of aluminum gears. Each aluminum alloy has a specific temperature range within which it can perform optimally. Operating beyond this temperature range can lead to reduced gear life, accelerated wear, loss of dimensional stability, or even catastrophic failures. Understanding the temperature limits of the selected aluminum alloy is crucial for determining its suitability in a given application.
It is important to note that the impact of temperature variations on aluminum gears can be mitigated through proper design, material selection, lubrication, and thermal management measures. Thermal analysis, including finite element analysis (FEA), can be employed to assess the thermal behavior of the gears and optimize their performance under different temperature conditions.
In summary, temperature variations can significantly impact aluminum gears through thermal expansion, changes in mechanical properties, lubrication effects, thermal cycling, heat dissipation, and the overall operating envelope. Understanding these effects and implementing appropriate measures ensures that the aluminum gears can withstand temperature variations and operate reliably in their intended applications.
Are there specific design considerations for using aluminum gears?
Using aluminum gears requires specific design considerations. Here’s a detailed explanation:
1. Material Selection: Aluminum alloys have different mechanical properties and characteristics. When designing aluminum gears, it’s important to select an alloy that meets the specific requirements of the application. Factors to consider include the desired strength, hardness, wear resistance, corrosion resistance, and thermal conductivity of the gear. The selected alloy should be suitable for the operating conditions and loads expected in the application.
2. Strength and Load Capacity: Aluminum is generally not as strong as some other materials like steel or cast iron. Therefore, when designing aluminum gears, it’s important to carefully consider the anticipated loads and stresses they will experience. Structural analysis, such as finite element analysis (FEA), can help determine the gear’s load capacity and structural integrity. Reinforcement techniques or incorporating additional support structures may be necessary in high-load applications.
3. Heat Dissipation: Aluminum has good thermal conductivity, which allows it to dissipate heat effectively. However, in applications where gears generate significant heat, thermal management becomes critical. Designing gear systems with proper cooling mechanisms, such as fins, heat sinks, or forced air circulation, can help prevent overheating and maintain optimal operating temperatures for the aluminum gears.
4. Gear Geometry: The design of aluminum gears should consider factors such as tooth profile, module, pressure angle, and tooth thickness. The gear geometry affects the gear’s load-carrying capacity, efficiency, noise level, and overall performance. It’s important to ensure proper tooth engagement, minimize stress concentrations, and optimize gear meshing characteristics to achieve the desired functionality and durability.
5. Lubrication: Lubrication is essential for aluminum gears to minimize friction, wear, and heat generation. Design considerations should include providing adequate space for lubricant reservoirs, channels, or oil passages to ensure proper lubricant distribution across the gear surfaces. The gear design should also facilitate efficient lubricant retention and minimize the risk of lubricant leakage or contamination.
6. Noise and Vibration: Aluminum gears can contribute to noise reduction due to their damping properties. However, the gear design should aim to further minimize noise and vibration levels. Considerations include gear tooth profile optimization, gear tooth surface finish, backlash control, and the use of noise-dampening features such as gear coatings or sound-absorbing materials.
7. Manufacturability: Designing aluminum gears should take into account the manufacturability aspects. Aluminum is a highly formable material, allowing for complex gear shapes and intricate designs. However, considerations such as casting or machining processes, tooling requirements, dimensional tolerances, and surface finish specifications should be addressed to ensure consistent and cost-effective production.
8. Compatibility with Other Components: Aluminum gears are often used in conjunction with other components within a larger system. It’s important to ensure compatibility between aluminum gears and other materials or components they interact with. Factors such as galvanic corrosion, differential thermal expansion, or material compatibility should be considered to prevent premature failure or performance issues.
By addressing these specific design considerations, aluminum gears can be effectively utilized in various applications, taking advantage of their unique properties and benefits.
What are the advantages of using aluminum gears in machinery?
Using aluminum gears in machinery offers several advantages. Here’s a detailed explanation:
1. Lightweight: One of the primary advantages of aluminum gears is their lightweight nature. Aluminum is significantly lighter than other commonly used gear materials such as steel or cast iron. This lightweight property reduces the overall weight of the machinery, resulting in benefits such as improved energy efficiency, reduced inertia, and easier handling and installation.
2. Corrosion Resistance: Aluminum gears can exhibit good corrosion resistance, especially when they are made from corrosion-resistant aluminum alloys. This makes them suitable for machinery operating in environments where exposure to moisture, chemicals, or other corrosive substances is a concern. The corrosion resistance of aluminum gears helps prolong their lifespan and ensures reliable performance in such conditions.
3. Low Noise: Aluminum gears have inherent damping properties that help reduce noise levels in machinery. The natural damping characteristics of aluminum help absorb vibrations and minimize noise generation during gear operation. This makes aluminum gears particularly advantageous in applications where noise reduction is important, such as in precision machinery or equipment used in noise-sensitive environments.
4. Heat Dissipation: Aluminum has excellent thermal conductivity, allowing for effective heat dissipation. When used in machinery, aluminum gears can help dissipate heat generated during operation, preventing overheating and maintaining optimal operating temperatures. Efficient heat dissipation contributes to the longevity and reliability of the machinery components.
5. Cost-Effective: Aluminum is generally more cost-effective compared to other metals commonly used for gears, such as steel or bronze. The abundance of aluminum as a raw material and its relatively low production costs make aluminum gears a cost-effective choice for machinery manufacturers. Additionally, the lightweight nature of aluminum gears can lead to cost savings in terms of transportation, installation, and energy consumption.
6. Design Flexibility: Aluminum gears offer design flexibility due to their ease of machining and formability. They can be manufactured with intricate tooth profiles and custom geometries to suit specific machinery requirements. The design flexibility of aluminum gears allows for optimization of gear performance, efficiency, and load-carrying capacity.
7. Electrical Conductivity: Aluminum is an excellent conductor of electricity. In machinery where electrical conductivity is required, such as in electric motors or equipment with electromagnetic components, aluminum gears can help facilitate efficient electrical connections and reduce electrical losses.
While aluminum gears offer numerous advantages, it’s important to consider their limitations. Aluminum has lower strength compared to materials like steel, which may restrict their use in high-load or high-torque applications. Additionally, proper lubrication and maintenance practices are crucial to ensure optimal performance and prevent excessive wear in aluminum gears.
In summary, the advantages of using aluminum gears in machinery include their lightweight nature, corrosion resistance, low noise levels, heat dissipation capabilities, cost-effectiveness, design flexibility, and electrical conductivity. These advantages make aluminum gears suitable for a wide range of machinery applications, particularly those where weight reduction, corrosion resistance, noise reduction, and thermal management are essential considerations.
editor by Dream 2024-05-06