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Test prototype solutions - lubrication test - Transparent Plastic PC PMMA Reducer housing Prototypes
Business Scope: CNC Machining / Sand Casting / 3D printing / Transparent Prototypes
Dimension:Based on clients' design drawing
Design:Based on clients' design drawing
Feature:Based on clients' design drawing and requirements
Surface: as your requirement
Material: steel / aluminum - Any other material and dimension depends on customers' demand.
Usage: Machinery /Automobile
Manufacturing process: casting parts/CNC machine/3D printing
Equipment: casting machine/CNC machine/3D printing
We are also ISO 9001 / IATF 16949 / ISO 14001 / OHSAS18001 certified firm.
Other Hot Products: The Motor Shell / Reducer Housing / Gearbox Housing / Hybrid Transmission Housing / Motor Cover
The transmission system of new energy vehicles (including pure electric vehicles, hybrid vehicles, etc.) generally adopts single-gear transmission.
Single gear transmission is simple in structure, low cost and high efficiency.
Single-speed transmission consists of two gear transmission, where the second gear transmission integrated differential.
In recent years, the emergence of two-speed transmission, coaxial transmission, integrated electronic disconnect differential transmission, integrated dual-clutch differential transmission, motor controller transmission three-in-one assembly, integrated engine motor generator transmission and other new transmissions.
1. Two-speed transmission
GKN two-speed transmission with reduction ratios of 11.38 and 5.85 respectively.
Used in the BMW i8 hybrid.
Getrag two-speed transmission with reduction ratios of 12.06 and 8.61 respectively.
Compared to a single-speed transmission with a reduction ratio of 9-10.5, the two-speed transmission has a reduction ratio of 11-12 in the lower gears to meet acceleration and hill climbing performance, and requires a lower maximum motor torque; and a reduction ratio of 5-9 in the higher gears to meet maximum speed requirements, and requires a lower maximum motor speed.
The maximum torque and maximum speed of the motor can be reduced to make the motor smaller and lighter.
Moreover, the two-speed transmission can make the motor run more often at the best efficiency point and reduce fuel consumption.
2. coaxial transmission
GKN transmission, input shaft and output shaft coaxial.
Used in Volvo XC90T8 hybrid car.
Chevrolet Bolt transmission, input shaft and output shaft coaxial.
3. Transmission with integrated electronic disconnecting differential
GKN transmission with integrated electronic disconnect differential.
Used in Chevrolet Bolt pure electric vehicle.
Input shaft output shaft coaxial structure, can reduce the size of the transmission, easy to arrange the whole car.
Used in the Volvo XC90T8 hybrid.
At high speeds, an electronic disconnect differential separates the motor from the wheels to improve system efficiency at high speeds and prevent motor overspeed.
The electronic disconnect differential controls the engagement or disengagement of the dog-tooth clutch and uses Hall sensors to non-contact measure the clutch position.
4. Transmission with integrated dual clutch differential
GKN transmission, integrated dual-clutch differential.
This differential is used in Range Rover Evoque and Ford Focus RS, and can also be used in pure electric vehicles or hybrid vehicles.
The dual clutch system replaces the conventional differential and allows precise torque adjustment at each wheel, enabling torque vectoring at the left and right wheels.
The system efficiency is improved when disconnected.
5. Transmission with two-speed coaxially integrated dual-clutch differential (called eTwinsterX by GKN).
Debuted at the 2017 International Motor Show in Frankfurt.
This transmission combines the features of the above-mentioned two-speed, coaxial, and dual-clutch differential transmissions.
6. Motor Controller Transmission 3-in-1 Assembly
The GKN 3-in-1 assembly is scheduled for production on the European automaker's global platform in 2019.
ZF (ZF) 3-in-1 assembly is planned for mass production in 2018, applied to the European automaker's models.
Magna 3-in-1 assembly, Bosch 3-in-1 assembly. The 3-in-1 assembly is compact, has high power density, high system efficiency, simple installation, reduced cables, and can provide a total solution.
7. Transmission with integrated engine motor-generator
GKN integrated engine motor generator transmission, used in the Mitsubishi Outlander (Mitsubishi Outlander) hybrid cars. Honda (Honda) integrated engine motor generator transmission, used in the Accord (Accord) hybrid cars and other models.
Toyota (Toyota) integrated engine motor-generator transmission, used in the fourth generation Prius (Prius) and other models.
Fiat Chrysler's (FCA) integrated engine-motor-generator transmission, used in the Grand Jaguar (Pacifica) hybrid.
It enables switching between pure electric, series hybrid, parallel hybrid, and hybrid hybrid modes, improving vehicle performance and efficiency.
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