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What's Crankshaft?

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Question added by Alex Al Yazouri , General Manager , Al Mushref Cooperative Society
Date Posted: 2015/04/25
Ali Waqas Bhatti
by Ali Waqas Bhatti , Electrical Engineer , Lakson Group of Companies

crankshaft converts the rotary motion of a piston into a linear motion.

Vinod Jetley
by Vinod Jetley , Assistant General Manager , State Bank of India

A crankshaft—related to crank—is a mechanical part able to perform a conversion between reciprocating motion and rotational motion. In a reciprocating engine, it translates reciprocating motion of the piston into rotational motion; whereas in a reciprocating compressor, it converts the rotational motion into reciprocating motion. In order to do the conversion between two motions, the crankshaft has "crank throws" or "crankpins", additional bearing surfaces whose axis is offset from that of the crank, to which the "big ends" of the connecting rods from each cylinder attach.

It is typically connected to a flywheel to reduce the pulsation characteristic of the four-stroke cycle, and sometimes a torsional or vibrational damper at the opposite end, to reduce the torsional vibrations often caused along the length of the crankshaft by the cylinders farthest from the output end acting on the torsional elasticity of the metal.

Geroldine Stelzel
by Geroldine Stelzel , Banking and Finance in Customer Relation Management with Marketing Sales , Distributors CC

It is a mechanical part able to perform a conversion between reciprocating motion and rotational motion

Ali Mohamed Ahmed
by Ali Mohamed Ahmed , site engineering , شركة مقاولات

I agree with Mr. Vinod answer >>>>>>>>>Thanks 

Muhammad Shakeel
by Muhammad Shakeel , CAD Design Manager , M/S zeeruk Intl.

Good answer by Mr. Ali waqas Bhatti and Ms Tabita. very smart answer in one line. 

Alex Al Yazouri
by Alex Al Yazouri , General Manager , Al Mushref Cooperative Society

Motorcycle Review and TipsIt can be small for a little engine and huge for huge ship engine.

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