APPARATUS FOR TURNING PACKS OF PISTON RINGS OR SEALING RINGS Russian patent published in 2002 - IPC

FIELD: turning non-round inner or outer surfaces of articles. SUBSTANCE: apparatus includes spindle of drive unit for rotating rings, cutting tool secured to one arm of double- arm lever joined with drive unit of mechanism for setting law of cutting tool motion, with feedback pickup of cutting tool motion, with pickup for measuring spindle rotation angle, with processor and rod kinematically joined with drive unit of mechanism setting law of cutting tool motion. Above mentioned rod is jointly mounted on one arm of double-arm lever whose other arm supports feedback pickup and cutting tool. Pickups of apparatus are electrically connected with processor. EFFECT: enhanced efficiency of apparatus, improved accuracy of ring shape reproducibility. 1 dwg, 2 tbl