Roller cam microfinishing tooling

Details Roller cam microfinishing tooling Roller cam microfinishing tooling

1999-04-28

1991-02-19

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51141, B24B 542, B24B 500, B24B 1912, B24B 2100

Patent

active

049931911

ABSTRACT:
A microfinishing machine and tooling particularly adapted for lobed cam surfaces such as internal combustion engine camshafts or outer irregular surfaces. The microfinishing tooling includes shoes having a pair of rollers which press abrasive coated film material against the workpiece being machined. The rollers are carried by a plate which is also free to rotate slightly. The roller elements are free to rotate and therefore wear on the tooling is minimized in response to minute motion of the microfinishing film during the microfinishing process. Furthermore, the roller elements closely follow the contours of the workpiece surface to provide a more uniform machining effect. Various configurations for the roller elements are disclosed, including a unitary roller made of a hard material and another embodiment in which the roller is coated with an elastomeric material.

REFERENCES:
patent: Re31593 (1984-06-01), Judge, Jr.
patent: 236475 (1881-01-01), Ambler
patent: 2121025 (1938-06-01), Egger
patent: 2258733 (1941-10-01), Brackett
patent: 2376531 (1945-05-01), Egger
patent: 2618913 (1952-11-01), Plamcon
patent: 2693669 (1954-11-01), Riedesel
patent: 4682444 (1987-07-01), Judge

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