Transmission gear, tachometer gear

In daily life and industry, gears have the following functions according to their working principles:
1: Gears can transmit mechanical power, such as car shifting devices, industrial gearboxes, etc.
2: Gears can change the direction of movement, such as mechanical watches, shaking head devices in electric fans, etc.
3: Gears can reduce speed and increase torque, such as motor reducer, various speed change mechanisms, etc. The commonly used gear materials are steel, cast iron and non-metallic materials.
Tachometer gear is widely used in the automotive industry to measure engine speed. By connecting to the tachometer, the tachometer gear can accurately measure the engine speed and provide it to the driver or debugging personnel for monitoring and judgment. This is very important to ensure proper operation and performance tuning of the car

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