AUTOMATIC MACHINE FOR EFFECTUATING CUTTING OPERATIONS SIMULTANEOUSLY AT BOTH SIDES PARTS Russian patent published in 1995 - IPC

FIELD: machine tool building. SUBSTANCE: automatic machine has frame, spindle heads mounted on frame and directed one towards the other, magazine 3 with workpieces 4, feeder 11, centering mechanism with main slide and clamping device. Centering mechanism has auxiliary slide and unit for moving both slides in synchronism and reciprocation. Spring-biased plunger 17 is mounted on body of clamping device 12 for coming into engagement with workpiece within the zone of action of centering mechanism slides. Unit for reciprocating slides in synchronism is made in the form of coupling spring-loaded in axial direction. Coupling has radial openings, where two transmission levers and follower lever are mounted for engagement with end surface 10 of feeder 11. Surface 10 has slot 18. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 4 cl, 4 dwg