The crankshaft is one of the important parts of the diesel engine. It bears the force transmitted by the piston through the connecting rod, and the reciprocating motion of the piston is changed into a rotary motion through the crank linkage mechanism to transfer the work done by the engine. It is subjected to large torsional stresses and bending forces that vary in size and direction during operation. Therefore, the dimensional accuracy, surface roughness and relevant accuracy of the main parts of the crankshaft of the diesel engine must be Very strict inspection requirements. Diesel crankshaft connecting rod journal clamp
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