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2025
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What component of a clutch is a flywheel?
The flywheel is the active component of the clutch, fixedly connected to the engine crankshaft, directly receiving and transmitting engine power.
Functional positioning of flywheel in clutch
As the core component of the clutch structure, the flywheel belongs to the active part, and its function and classification are based on the following:
Active component properties
The flywheel is rigidly connected to the engine crankshaft and rotates synchronously with the crankshaft, serving as the initial end of power transmission.
Together with the clutch cover and pressure plate, it forms the active part and drives the driven plate (friction plate) to rotate.
Difference from other components
Passive components, such as friction plates, are connected to the input shaft of the transmission through splines.
Compression element: refers to the pressure plate and spring device used to maintain the adhesion between the friction plate and the flywheel.
Control components: including release bearings, pedals, etc., to control the engagement and disengagement of the clutch.
Additional functions of flywheel
In addition to serving as an active component, the flywheel also has the following functions:
Store engine energy and balance crankshaft speed fluctuations.
The outer ring gear is used in conjunction with the starter to start the engine.
Engraved with a top dead center mark for calibrating ignition timing and valve clearance.
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