Method and apparatus for machining the circumference of out-of-r

Details Method and apparatus for machining the circumference of out-of-r Method and apparatus for machining the circumference of out-of-r

1985-12-17

1987-07-14

Godici, Nicholas P.

Turning

Pattern section

Cam-controlled cutter

82 2B, B23B 526, B23B 524

Patent

active

046794727

ABSTRACT:
Machining the circumferences of workpieces, particularly piston rings, in a variety of out-of-round contours and diameters requires only a single copying disc having a basic out-of-round contour. The copying disc is driven in synchronism with the angle of rotation alpha of piston rings to be machined by a direct current servomotor and, in order to generate the desired out-of-round contour, is caused to deviate from its synchronous movement by pulses received from a computer for the leading and lagging difference angles of rotation delta phi. An adjustable coupling member is provided between a copying disc sensor (such as a double lever) and the tool holder for transferring the out-of-round contour from the copying disc to the workpiece.

REFERENCES:
patent: 2782669 (1957-02-01), Brandenberger
patent: 2791927 (1957-05-01), Muller
patent: 2803226 (1957-08-01), Renoux
patent: 2932227 (1960-04-01), Koch et al.
patent: 3057235 (1962-10-01), Mey
patent: 3621617 (1971-11-01), Muller
patent: 4250779 (1981-02-01), Feller et al.

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