China Standard High Precision Transmission Spur EV Gear for Automobile Starters and Vehicle Engines bevel gearbox

Product Description

Product Name: OEM/ODM Engine Gear

Engine Gear Manufacturing Plant of Xihu (West Lake) Dis.Feng Motor Corporation(DFM23)

Global OEM supply to CHINAMFG and Volvo worldwide.

 

Engine Gear Plant of DFM (DFM23 for short) was founded in 1969, which is a large production base for auto parts. We have perfect parts and components technology development capabilities thanks to our advantage of strong tool and R&D capability.

Staff: There are 795 employees in DFM23 and 156 of them are technical engineers.

Equipment:  The plant owns more than 852  machines, including 103 advanced machines which were imported.

 

Forging and machinining Equipment:

Quality Test Equipment:
 

 

Certifications:

ISO9001(2004);
ISO/TS16949(2004.11);
ISO14000(2005.3);
OHSASI18000(2005.3);
ASES(2571.10)

 

Product Development Capability:

Strong technical strength for CHINAMFG system optimization design, noise reduction, strength check and so on.

Quick Response; R&D with Customer.                                                 

Full Quality Control; Self Design/ Self made tooling                

 

Informatization Technology Applied in Plant:

PMS & ERP & MES system come into service in March 2017.

Technical Patents/ Intellectual Property:

Now we own 12 patents.

New Technology Applications:

Anti-wear phosphating; Shot Peen; High speed Hobbing; High speed teeth grinding; Continuous heat treatment
Honing Hole; Hard turning; Inner hole and end-face grinding.

 

Gear Product Development Plan:

 

Global Supply to Cummins
 

We provide nearly 200 kinds of gears for CHINAMFG global 15 OEM plants & cooperative partners, 3 spare parts service center, products cover 2.8L-95L.

At present, we are sole supplier for 45L above heavy-duty engine gear; Provide optimized design proposal for CHINAMFG engine gear, participate in R&D and other technical support and comprehensive service ability.

 

We manufature according to customer’s drawings and requirements,
 

Type of Gears We can supply:
 

Gear Crankshaft / Gear Camshaft / Gear Fuel pump / Gear Air compressor / Gear from moving

 

Material:
 

20CrMnTiH, 20CrMo, 20MnCr5, SAE8620H, 17CrNiMo7-6

 

Weight(kg): 0.6-30

 

Size(mm): 50-360

 

Gear Precision: ISO6 Level

Application: Motor, Electric Cars, Car
Hardness: Hardened Tooth Surface
Gear Position: Internal Gear
Manufacturing Method: Forging+Machining
Toothed Portion Shape: Spur Gear
Material: Forging Gear
Samples:
US$ 80/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

automobile gear

How do gearboxes contribute to the overall performance and acceleration of a car?

Gearboxes play a vital role in the overall performance and acceleration of a car. Here’s a detailed explanation:

1. Gear Ratio:

The primary function of a gearbox is to provide different gear ratios between the engine and the wheels. Each gear ratio determines the relationship between the rotational speed of the engine (measured in RPM) and the rotational speed of the wheels. By changing gears, the gearbox allows the engine to operate more efficiently across a range of speeds.

2. Torque and Power:

Gearboxes help optimize torque and power delivery from the engine to the wheels. Lower gears provide higher torque multiplication, which means greater force is applied to the wheels, resulting in improved acceleration. Higher gears, on the other hand, allow the engine to operate at lower RPMs, maximizing fuel efficiency during cruising or maintaining high speeds.

3. Acceleration:

A well-designed gearbox enables the car to accelerate quickly. Lower gears, such as first and second gears, provide high torque multiplication, allowing the car to overcome inertia and swiftly gain speed from a standstill. As the car gains momentum, higher gears are used to maintain speed efficiently.

4. Engine Operating Range:

Each engine has an optimal operating range where it produces the most power and torque. Gearboxes ensure that the engine operates within this range by allowing the driver to upshift or downshift based on the speed and load conditions. Keeping the engine within the optimal operating range enhances performance and responsiveness.

5. Fuel Efficiency:

Proper gear selection can significantly impact fuel efficiency. By allowing the engine to operate at lower RPMs in higher gears, the gearbox helps reduce fuel consumption during steady-state cruising. Additionally, modern gearboxes often incorporate technologies such as overdrive gears or continuously variable transmissions (CVT) to further optimize fuel efficiency.

6. Adaptive Gearbox Systems:

Some advanced car models feature adaptive gearbox systems that adjust gearshift patterns based on driving conditions, such as throttle input, road gradient, and vehicle speed. These systems aim to provide optimal performance, acceleration, and fuel efficiency by continuously analyzing various parameters and selecting the most appropriate gear ratio.

7. Manual vs. Automatic Gearboxes:

Both manual and automatic gearboxes contribute to the overall performance and acceleration of a car. Manual gearboxes offer more direct control, allowing skilled drivers to optimize gear selection for maximum performance. Automatic gearboxes, on the other hand, use complex algorithms and sensors to shift gears automatically, providing smooth acceleration and convenience.

In summary, gearboxes have a significant impact on the overall performance and acceleration of a car. By providing different gear ratios, optimizing torque delivery, and allowing the engine to operate within its optimal range, gearboxes enhance acceleration, fuel efficiency, and overall driving experience.

automobile gear

How do limited-slip differentials improve traction in vehicles?

Limited-slip differentials (LSDs) are designed to improve traction in vehicles by addressing the limitations of conventional differentials. Here’s a detailed explanation:

1. Basic Function:

A limited-slip differential allows some degree of differentiation in wheel speed while still providing a certain level of torque transfer between the drive wheels. Unlike an open differential that can send all the power to the wheel with the least traction, an LSD helps distribute power more effectively.

2. Torque Biasing:

LSDs use various mechanisms to bias torque to the wheel with more traction. One common design is the helical gear LSD, which utilizes a set of angled gears to create resistance and torque transfer. When one wheel starts to slip, the helical gears engage and transfer torque to the wheel with better grip, increasing traction.

3. Improved Traction on Slippery Surfaces:

On slippery surfaces such as ice, snow, or wet roads, an LSD can significantly enhance traction. By sending power to the wheel with more grip, it helps prevent wheel spin and maintains forward momentum. This is particularly beneficial for vehicles operating in challenging weather conditions or off-road environments.

4. Enhanced Stability and Control:

When one wheel encounters a low-traction situation, such as when taking a turn or accelerating on uneven terrain, an LSD helps maintain stability and control. By limiting excessive wheel spin and power loss, it allows the vehicle to distribute torque effectively, reducing the risk of skidding or loss of control.

5. Better Performance in Performance Vehicles:

Limited-slip differentials are commonly used in performance-oriented vehicles. By improving traction and power delivery to the wheels, LSDs enhance acceleration, cornering, and overall performance. They help maximize the vehicle’s potential by effectively utilizing the available power and maintaining optimal grip.

6. Variations in LSD Designs:

There are different types of LSDs available, including clutch-type LSDs and electronic LSDs. Clutch-type LSDs use friction plates and clutch packs to distribute torque, while electronic LSDs use sensors and electronic control systems to manage torque transfer. These variations offer different characteristics and performance benefits, catering to specific driving needs and preferences.

In summary, limited-slip differentials improve traction in vehicles by biasing torque to the wheels with better grip. They provide enhanced traction on slippery surfaces, improve stability and control, and contribute to better performance in performance vehicles. LSDs are a valuable technology for maximizing traction, especially in challenging driving conditions or situations that require optimal power delivery and stability.

automobile gear

What are the main functions of the gearbox in a car?

The gearbox, also known as the transmission, performs several important functions in a car. Here’s a detailed explanation:

1. Gear Ratio Selection: One of the primary functions of the gearbox is to provide different gear ratios between the engine and the wheels. By selecting the appropriate gear ratio, the gearbox allows the engine to operate efficiently across a range of speeds and load conditions. Lower gears provide higher torque for starting and climbing hills, while higher gears allow for higher speeds and improved fuel efficiency.

2. Power Transmission: The gearbox is responsible for transmitting power from the engine to the wheels. It takes the rotational power generated by the engine and delivers it to the wheels in a controlled manner. The gearbox ensures that the power is transferred smoothly and efficiently, allowing the vehicle to accelerate, maintain speed, and overcome resistance.

3. Gear Engagement and Disengagement: The gearbox enables the driver to engage or disengage different gears to change the gear ratio. This is typically done using a gearshift mechanism, such as a manual gearshift lever or paddle shifters in automatic transmissions. Gear engagement and disengagement allow the driver to adapt to varying driving conditions, such as starting from a standstill, overtaking, or driving uphill.

4. Gear Synchronization: In manual transmissions, the gearbox incorporates a mechanism called a synchromesh system. This system synchronizes the rotational speeds of the gears before engagement, allowing for smooth gear shifts. It prevents grinding and damage to the gears by equalizing their speeds, ensuring a seamless transition between gears.

5. Reverse Gear: The gearbox provides a reverse gear, allowing the driver to maneuver the vehicle in the opposite direction. The reverse gear has a specific gear ratio that enables the vehicle to move backward safely. It is essential for parking, reversing out of parking spaces, and navigating tight spaces.

6. Neutral Position: The gearbox includes a neutral position that disengages the engine from the wheels. When in neutral, the gearbox allows the engine to run independently without transmitting power to the wheels. This is useful when the vehicle is stationary or when the engine needs to be started or idled without vehicle movement.

7. Mechanical Advantage: The gearbox provides a mechanical advantage by utilizing different gear ratios. It allows the engine to operate within its optimal power band while providing the necessary torque and speed output for various driving conditions. The mechanical advantage offered by the gearbox improves the overall performance and efficiency of the vehicle.

8. Safety Features: Modern gearboxes often incorporate safety features such as a park position (P) or a parking pawl. When engaged, the park position locks the transmission output shaft, preventing the vehicle from rolling unintentionally when parked. This adds an extra layer of safety when the vehicle is stationary.

Overall, the gearbox plays a crucial role in controlling the power, speed, and torque delivery from the engine to the wheels. It allows the driver to adapt to different road conditions, optimize engine performance, and ensure smooth and efficient operation of the vehicle.

China Standard High Precision Transmission Spur EV Gear for Automobile Starters and Vehicle Engines bevel gearboxChina Standard High Precision Transmission Spur EV Gear for Automobile Starters and Vehicle Engines bevel gearbox
editor by CX 2023-09-25