Method of producting crankshafts

Details Method of producting crankshafts Method of producting crankshafts

1993-07-16

1995-04-25

Cuda, Irene

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

29888, 29 33C, B23P 1500

Patent

active

054087457

ABSTRACT:
In a method of producing crankshafts in a mass-production line, after a crankshaft casting is ground to its specified geometry, it is measured to detect a dynamic imbalance. Then, at least one radial balancing bore is drilled in a specified counterweight to a depth according to a resultant imbalance so as to balance the crankshaft if the crankshaft is judged, based on the resultant imbalance, to fall within a region in which a dynamic imbalance is eliminated by drilling bores. Otherwise, the crank shaft is removed out of the mass-production line if it is judged to be out of the region.

REFERENCES:
patent: 3948076 (1976-04-01), Eitel
patent: 4030172 (1977-06-01), Gentry

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