Apparatus for machining cams at a constant cutting speed

Details Apparatus for machining cams at a constant cutting speed Apparatus for machining cams at a constant cutting speed

1980-06-27

1982-08-10

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51101R, B24B 542

Patent

active

043431143

ABSTRACT:
This invention relates to apparatus for facilitating the maching of cams at a constant cutting speed. A cam is mounted betwen points on the same geometric axis as a reproduction template or master cam and cooperates with a roller to cause pivotal movement of a machining member to generate the desired shape on a workpiece or cam. The apparatus includes a memory for storing predetermined theoretical instantaneous values of the speed of rotation of the cam that must be implemented such that the cutting speed remains the same at any point around the cam. A speed varying arrangement is responsive to the instantaneous angular orientation of the cam, the predetermined theoretical value of the speed of rotation of the cam at each instant and the instantaneous speed of the motor for varying the speed of rotation of the cam such that the cutting speed remains the same at any point around the periphery of the cam.

REFERENCES:
patent: 4102082 (1978-07-01), Katsumi
patent: 4122634 (1978-10-01), Nishimura
patent: 4214309 (1980-07-01), Koide
patent: 4262454 (1981-04-01), Iida

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