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Crankshaft is a kind of shafts which transforms the linear movement with the assistance of rod arm to periodical rotation movement and carries it over clutch and flywheel. Crankshaft transforms the opposite movement of cylinders to rotation movement in an axis. It gives movement to vehicle by changing linear movement to circular movement with the assistance of flywheel and cam shaft in a pistonic engines with the assistance of rod arm. It consists of main bearing, axle arm, balance weights,flange etc.

The supap movement mechanism of engines takes their movement from a gear which is connected to crankshaft. Also the camshaft which gives movement to the movement clacks and fuel pump, is also turned by crankshaft.

Oil holes which are drilled into crankshaft are used to oil the friction surfaces which are between crank pin bearings and journals.

These holes are drilled both into crankshaft and crank horizantal side, also main holes combine other holes which are applicated as analogous holes to crank arm.

 
 
 
 

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