The characteristics of gearbox gears include the following aspects:

1. High precision

Machining accuracy: The machining accuracy of gearbox gears requires high precision to ensure the accuracy of gear meshing and transmission efficiency, and reduce noise and vibration.

Dimensional accuracy: The dimensional accuracy of gears needs to be strictly controlled to ensure that they can be correctly installed in the gearbox and mesh with the corresponding gears.

2. High intensity

Material strength: Transmission gears are typically made of high-strength alloy steel or other high-strength materials to ensure their strength and durability under high loads and high-speed rotation.

Heat treatment: Gears usually require heat treatment during the manufacturing process, such as carburizing, nitriding, etc., to improve their hardness and wear resistance.

3. Wear resistance

Wear resistance: Transmission gears need to have good wear resistance to resist long-term wear and prolong the service life of the gears.

Surface treatment: The gear surface may undergo special treatments such as plating, coating, etc. to further improve wear resistance.

4. Low noise

Noise control: When designing the gearbox gears, noise control needs to be considered to provide a more comfortable driving experience.

Tooth profile design: The tooth profile design of gears has a significant impact on noise levels, and a good tooth profile design can reduce meshing noise.

5. High temperature resistance

Heat resistance: Transmission gears need to work in high temperature environments, so they need to have good heat resistance to resist the effects of high temperatures.

6. Impact resistance

Impact toughness: Transmission gears need to have good impact toughness to resist impact loads during start-up and shifting.

7. Lightweight

Lightweight design: In order to improve fuel economy and vehicle performance, the gearbox gears may adopt lightweight design to reduce weight.

8. Reliability

Long term reliability: Transmission gears need to have long-term reliability to reduce maintenance and replacement frequency.

9. Corrosion resistance

Corrosion resistance: In certain environments, gearbox gears may require corrosion resistance to resist the effects of corrosive media.

The design and manufacturing of gearbox gears need to comprehensively consider the above characteristics to ensure their high performance and reliability in automotive transmission systems. Through precise machining techniques, high-quality materials, and strict quality control, gearbox gears that meet these characteristics can be manufactured.