DEVICE FOR TURNING PISTON RING PACK Russian patent published in 1994 - IPC

FIELD: machine tool manufacture. SUBSTANCE: device for turning piston rings has rocking carriage with cutter mechanically coupled with roller engaging with template, and device to provide continuity of roller-template kinematic chain in one revolution of template. Rocking carriage is made in form of equilateral triangle with center of rocking coinciding with center of masses; roller is arranged on side of triangle pointed to template for moving along this side. Cutter is fixed in vertex of triangle opposite to above-indicated side at side facing the pack of rings to be turned. Device providing continuity of roller-template kinematic chain is made in form of pair of adjustable compression springs secured by one end on base and by other end on third free side of triangle. Provision is made for changing their arms formed by points of attachment and axis passing through center of rocking of carriage and middle point of indicated side of triangle. EFFECT: enlarged operating capabilities. 3 dwg