Piston pin bore and method of finishing

Details Piston pin bore and method of finishing Piston pin bore and method of finishing

1978-06-12

1980-02-26

Larson, Lowell A.

Metal deforming

Process

Tube making or reshaping

291565R, B21D 5384

Patent

active

041899326

ABSTRACT:
A piston comprises a piston pin bore adapted to at least partially contain a piston pin. The bore is finished by a roll burnishing process which substantially simultaneously prestresses, smooths and distorts the bore into a predetermined hourglass configuration.

REFERENCES:
patent: 3357318 (1967-12-01), Packard et al.

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