Function of the car motor

2025-08-20

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Start the Engine When the driver turns the ignition key or presses the start button, the starter motor connects the circuit through the electromagnetic switch, driving the gear to engage with the engine flywheel, causing the crankshaft to rotate at high speed (usually 200-400 RPM), thereby allowing the engine to complete the initial intake, compression, and ignition cycle, ultimately achieving self-sustaining operation.

Start the engine
When the driver turns the ignition key or presses the start button, the starter motor connects the circuit through the electromagnetic switch, driving the gear to engage with the engine flywheel, causing the crankshaft to rotate at high speed (usually 200-400 RPM), thereby completing the initial intake, compression, and ignition cycle of the engine, ultimately achieving self-sustaining operation.
Provide instant high torque
When starting the engine, it is necessary to overcome internal resistance (such as piston friction and cylinder compression). The starter motor needs to output high torque (usually 100-300 Nm) in a short time to ensure smooth engine startup.

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