Method of machining crankshafts

Details Method of machining crankshafts Method of machining crankshafts

1979-04-06

1981-05-26

Bilinsky, Z. R.

Gear cutting, milling, or planing

Milling

Process

29 6, 51289R, 82 1C, 82 9, 409199, 409203, B23C 306

Patent

active

042695511

ABSTRACT:
A crankshaft is machined at cylindrical portions consisting of mainshaft portions and crankpins and at crankweb side faces associated with the cylindrical portions in a sequence of steps which proceed in the direction from one end of the crankshaft to the other. Each step comprises machining a crankpin which precedes a given succeeding mainshaft portion and a mainshaft portion, when viewed in this direction while the crankshaft is supported by a steady at the given mainshaft portion and machining crankweb side faces adjoining one of the cylindrical portions at the same time as the one cylindrical portion. To improve the accuracy with which the crankshaft can be machined, each of the step comprises machining said one cylindrical portion before the other and machining the crankweb side faces associated with the other cylindrical portion at least in part during the machining of the one cylindrical portion.

REFERENCES:
patent: 4180359 (1979-12-01), Schmid

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