CNC Machined Hardened Steel Differential Planetary Gear Coupling
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In-saiL is dedicated to manufacturing of precision components and the design, fabrication of engineering specialty fasteners and fastening solution development.
We have powerful manufacturing capability, our automatic lathes, CNC lathes, CNC machining centers, stamping machines and cold heading machines plus auxiliary equipment like milling machine, grinding machine, EDM and the cooperation of our partners, we are able to support every different components regardless of the prototyping or series production.
Auto Lathe Turning
The single shaft cam-base automatic lathes are capable of massive production of brass, aluminum alloy, stainless steel components.
Production range: O. D. 0.5-15
4-axis and 5-axis machining centers are capable of complex structural parts.
Production range: 800×600
Screw Heading & Rolling
The screw production lines finish the cold heading and thread rolling for small carbon steel or stainless steel screws.
Production range: M0.8-M6 or equivalent sized imperial screws
Stamping machines perform the blanking, punching, blending, drawing. Currently we are working on simple stamping jobs.
Production range: 200T max.
|Aluminum alloy,Brass,Stainless Steel,Carbon steel,according to customer’s requirement
|Milled /Tin plating, copper-plating,hot-dip galvanizing, black oxide coating,red anodized,black anodized,painting,
powdering,rust preventive oil, titanium alloy galvanized, silver plating, plastic, electroplating, anodizing etc.
|CMM,Projector,Pull Tester,Automatic Optic Inspector,Projecting apparatus
Salt Spray Test, Durometer, and Coating Analyzer,Tensile Machine
|CNC lathe turning:ODΦ0.5-250mm,Tol.±0.005mm
|Screw heading & rolling:Metric 0.8-M6,Unified Imperial#0-1/4”
|5-15 working days
|By DHL,UPS,TNT,FedEx,EMS,By Ocean,By Air
|Replacement at all our cost for rejected products
|Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
|Hardened Tooth Surface
|Toothed Portion Shape:
|Stainless Steel,Carbon Steel,Brass, Iron, Aluminum
Can differential gears be used in electric and hybrid vehicles?
Yes, differential gears can be used in both electric and hybrid vehicles. While electric and hybrid vehicles have different powertrain configurations compared to traditional internal combustion engine vehicles, they still require differential gears to distribute power between the wheels and accommodate speed differences. Here’s a detailed explanation:
1. Electric Vehicles (EVs):
In electric vehicles, the power is provided by one or more electric motors. These motors generate torque directly, eliminating the need for a traditional transmission system with a driveshaft. However, EVs still require differential gears to distribute power between the wheels.
2. Single-Speed Transmissions:
Many electric vehicles use single-speed transmissions, also known as direct-drive systems, which do not require multiple gears for speed variation. In these cases, the differential gear is integrated into the electric motor assembly, allowing it to distribute torque between the wheels.
3. Speed and Torque Distribution:
The differential gear in electric vehicles functions similarly to those in conventional vehicles. It accommodates speed differences between the wheels during turns and adjusts torque distribution to ensure optimal traction and control. This helps prevent wheel slip and allows for smooth cornering.
4. Hybrid Vehicles:
Hybrid vehicles combine an internal combustion engine with one or more electric motors. The powertrain configuration varies depending on the type of hybrid system, such as series hybrids, parallel hybrids, or plug-in hybrids. Despite the presence of an internal combustion engine, differential gears are still utilized in hybrid vehicles.
5. Transmissions in Hybrid Vehicles:
Hybrid vehicles often incorporate transmissions to optimize power delivery and efficiency. These transmissions may include differential gears or specific components that perform similar functions to distribute power between the wheels.
6. Regenerative Braking:
Both electric and hybrid vehicles commonly use regenerative braking systems to capture and store energy during deceleration. Differential gears play a role in transmitting torque from the wheels to the electric motor during regenerative braking, allowing the motor to act as a generator and recharge the batteries.
7. Differential Types:
Electric and hybrid vehicles can utilize various differential types, including open differentials, limited-slip differentials, or electronically controlled differentials. The choice of differential depends on factors such as vehicle performance, traction requirements, and driving conditions.
8. Advancements and Innovations:
With the evolving technology in electric and hybrid vehicles, there are also advancements and innovations in differential systems. Manufacturers are exploring new designs, such as integrated motor and differential units, to optimize power distribution and efficiency in these vehicles.
In summary, differential gears are indeed used in electric and hybrid vehicles to distribute power between the wheels, accommodate speed differences, and ensure optimal traction and control. The specific configuration and integration of differential gears may vary depending on the vehicle’s powertrain design and transmission system.
How do differential gears contribute to traction in slippery conditions?
In slippery conditions, such as driving on ice, snow, or wet surfaces, differential gears play a crucial role in improving traction and maintaining vehicle control. Here’s a detailed explanation of how differential gears contribute to traction in slippery conditions:
- Torque Distribution: Differential gears allow torque to be distributed between the wheels on the same axle. In slippery conditions, where traction is reduced, differential gears enable power to be sent to the wheels with better grip. This distribution of torque helps maximize traction and prevent wheel spin.
- Wheel Speed Variation: In slippery conditions, the wheels on the same axle may encounter different levels of traction. For example, one wheel might be on a patch of ice while the other is on a surface with better grip. Differential gears accommodate this variation by allowing the wheels to rotate at different speeds. This wheel speed variation helps ensure that power is directed to the wheels with more traction, improving overall grip and stability.
- Slip Limitation: When one wheel loses traction and starts to slip, the other wheel with better grip can potentially receive less power due to the default behavior of an open differential. However, some differential systems employ advanced features like limited-slip differentials (LSD) or electronic traction control systems. These systems detect wheel slip and apply mechanisms to limit slip and redirect power to the wheel with better traction, effectively improving traction in slippery conditions.
- Positive Traction Devices: In some cases, differential gears can be equipped with positive traction devices such as locking differentials or electronic locking differentials. These devices lock the differential gears, forcing both wheels on the same axle to rotate at the same speed. This feature is particularly beneficial in extremely slippery conditions where maximum traction is essential. By locking the differential, these devices ensure that power is evenly distributed to both wheels, maximizing grip and traction.
- Off-Road Capability: Differential gears with advanced features like limited-slip differentials or locking differentials are commonly employed in off-road vehicles. These vehicles often encounter challenging terrain with low-traction conditions. The differential systems in these vehicles enhance off-road capability by transferring power to the wheels with the most traction, preventing wheel spin, and allowing the vehicle to navigate through difficult terrain more effectively.
In summary, differential gears contribute to traction in slippery conditions by distributing torque between wheels, accommodating wheel speed variation, limiting slip through advanced features, and offering positive traction devices. These mechanisms allow power to be directed to the wheels with better grip, improving traction, stability, and overall vehicle control in slippery conditions.
How does a limited-slip differential differ from an open differential?
A limited-slip differential (LSD) differs from an open differential in several key ways. Here’s a detailed explanation:
1. Torque Distribution:
In an open differential, torque is distributed equally between the two wheels. When both wheels have good traction, this distribution works well. However, if one wheel loses traction, the open differential will send more power to that wheel, causing it to spin while the other wheel receives minimal power. This can result in reduced traction and compromised performance.
In contrast, a limited-slip differential actively biases torque distribution. It uses various mechanisms, such as clutch packs, viscous fluids, or gear arrangements, to transfer more torque to the wheel with better traction. This torque biasing helps improve traction and power delivery, especially in situations where one wheel has reduced traction. By providing a more balanced torque distribution, a limited-slip differential enhances overall performance and stability.
2. Traction Improvement:
One of the primary advantages of a limited-slip differential is its ability to improve traction compared to an open differential. When one wheel encounters reduced traction, such as on slippery surfaces or during cornering, the limited-slip differential transfers more torque to the wheel with better traction. This helps maximize the vehicle’s ability to maintain forward motion and improves overall stability by minimizing wheel slip. In contrast, an open differential may distribute power to the wheel with the least resistance, resulting in reduced traction and compromised handling.
In terms of drivability, open differentials are generally smoother and more predictable. They allow the wheels to rotate at different speeds during turns, facilitating smooth operation and minimizing binding or tire scrubbing. Open differentials are also less expensive to manufacture, making them a common choice for everyday vehicles.
On the other hand, limited-slip differentials offer improved drivability compared to open differentials, especially in situations with varying traction conditions. Limited-slip differentials strike a balance between improved traction and maintaining drivability for everyday use. They can provide better control and stability during acceleration, cornering, and challenging road conditions.
4. Performance and Handling:
Limited-slip differentials are often favored in performance-oriented vehicles or applications that require enhanced handling characteristics. The ability to transfer torque to the wheel with better traction helps optimize power delivery, reduce wheel slip, and improve overall performance. Limited-slip differentials can enhance cornering ability, stability, and agility, allowing drivers to navigate curves and corners with more confidence and control.
In contrast, open differentials may be more prone to wheel slip, particularly in high-performance or demanding driving situations. This can result in compromised performance and reduced stability.
In summary, a limited-slip differential differs from an open differential in terms of torque distribution, traction improvement, drivability, and performance. By actively biasing torque distribution and improving traction, a limited-slip differential offers better performance and handling characteristics, especially in challenging driving conditions.
editor by CX 2023-12-01