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The new energy vehicle gear is similar to the traditional fuel vehicle gear in basic principle, but the design, material selection and manufacturing process are different to adapt to the characteristics and needs of new energy vehicles. The following are some characteristics of new energy vehicle gears:
1. Material selection: New energy vehicle gears usually use high-performance, wear-resistant materials, such as high-performance alloy steel, special plastics, etc., to improve the durability and fatigue resistance of the gears.
2. Design optimization: In order to improve transmission efficiency and reduce energy loss, new energy vehicle gears have been optimized in design, such as using more compact structure design, optimizing tooth shape and tooth surface treatment.
3. Reduction ratio adjustment: the motor output torque of new energy vehicles is large, so the gear reduction ratio is usually higher to adapt to the high torque characteristics of the motor.
4. Shock absorption and noise reduction: New energy vehicles have high NVH (noise, vibration and roughness) performance requirements, so it is necessary to consider shock absorption and noise reduction measures in gear design, such as using special tooth shape design and optimizing gear processing technology.
5. Corrosion resistance: Because the environment used by new energy vehicles may be more complex, the gear needs to have good corrosion resistance to prevent early failure caused by corrosion.
6. Synchronization requirements: The motor control system of new energy vehicles has high requirements for the synchronization of gears to ensure smooth and efficient transmission.
7. High temperature performance: Due to the high operating temperature of the motor and battery, the new energy vehicle gear needs to have good high temperature performance to ensure normal operation in a high temperature environment.
8. Maintenance: New energy vehicle gear maintenance requirements are also high, the need to regularly check and replace the gear oil, in order to maintain the good performance of the gear.
With the continuous development of new energy vehicle technology, gear design and manufacturing technology is also constantly improving to meet the higher requirements of new energy vehicles in performance, reliability and durability.
