Reduced material crankshaft fabrication

Details Reduced material crankshaft fabrication Reduced material crankshaft fabrication

1992-07-28

1993-08-24

Luong, Vinh T.

Machine element or mechanism

Elements

Cranks and wrist pins

74595, 74597, 74598, 2988808, F16C 304

Patent

active

052378926

ABSTRACT:
A crankshaft having a high stress portion including a crankpin and an eccentric. The high stress portion is formed of a forged steel material having a first axial end. A reduced stress portion is formed from an unforged steel material and generally comprises a tubular cylindrical portion having a second axial end. The first axial end is secured to the second axial end by friction welding. A separate counterweight is attached to either the high stress portion or the reduced stress portion.

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