Crankshaft assembly/D12 Engine Crankshaft

The crankshaft is the most important part of an engine. It takes the force from the connecting rod and converts it into torque output through the crankshaft and drives the other accessories on the engine to work. The crankshaft is affected by centrifugal force of rotating mass, periodic gas inertia force and reciprocating inertia force, which makes the crankshaft bear the action of bending and torsional load. Therefore, the crankshaft is required to have sufficient strength and stiffness, and the journal surface should be wear-resistant, uniform and balanced.

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