DEVICE FOR FINISHING KINESCOPE CONE END FACE WITH ABRASIVE WHEELS Russian patent published in 1995 - IPC

FIELD: mechanical engineering; surface finishing. SUBSTANCE: device has base with cup and spindle for basing and rotating kinescope cone, polishing heads 7 with abrasive wheels 8 and feeding drives of the polishing heads. The feeding drives of the polishing heads are kinematically coupled one with another, each being made in form of cam and lever motion mechanism having double-arm lever 31 having a yoke with roller 32 at one end and roller 33 thrusting against cam 34 having links with the cams of other heads at the other end. Double-arm lever 31 has eccentric rocking axle 39. Polishing head 7 is connected with the cam and lever motion mechanism through a pusher being made in form of pneumatic cylinder 35 which both cavities are connected with pneumatic main line 36 through pressure control unit 37. EFFECT: enhanced quality of finished surface. 4 dwg