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Crankshafts

Forged masterpieces for every torque

To achieve the high quality standards of BF forged crankshafts, most crankshafts are produced on our own tools. They are also subject to stringent test procedures. The dimensional accuracy ensures smooth running and therefore a long engine life.

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Technipedia Crank mechanism

Crankshafts

The crankshaft in the engine has the task of converting the up and downstrokes of the pistons into a rotary motion with the aid of the connecting rods. The torque produced is transmitted to the fly wheel.

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Models

Integrated counterweights

e.g. OM 611 4-cylinder in-line engine

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Bolted-on counterweights

e.g. OM 335 6-cylinder in-line engine

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Offset conrod journals

e.g. OM 501 6-cylinder V engine

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Two connecting rods per conrod journal

e.g. OM 422 8-cylinder V engine

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Twisted conrod journals

Twisted: in order to realise different crank angles on the conrod journal after the die forging stage, the crankshaft is reheated at the main bearing points after forging and twisted – e.g. OM 906 6-cylinder in-line engine.

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Further information

1 Control side or drive end
2 Counterweights
3 Main bearing journal
4 Conrod journal
5 Flywheel side/force transfer
6 Oil bore
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1 Pistons
2 Connecting rods
3 Fly wheel
4 Crankshaft
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BF Engine Parts Motor Parçalari Diş Tic. Ve Paz. San. Ve Tic. Ltd. Şti.

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Turkey

Phone: +90 216 488 18 70

Fax: +90 216 488 18 72

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