TOOL HOLDER FOR ROUND INSERTS

摘要

PCT No. PCT/EP89/00811 Sec. 371 Date Feb. 1, 1991 Sec. 102(e) Date Feb. 1, 1991 PCT Filed Jul. 13, 1989 PCT Pub. No. WO90/00457 PCT Pub. Date Jan. 25, 1990.A clamp for circular cutting tools (2) has a bearing bore (6) at the clamp head (5) in order to support a cup-shaped insert (7). The receptacle (9) of the cup-shaped insert (7) is elastically deformable and has a recess configured as a truncated hollow cone and the centering profile (3) of the circular cutting tool (2) is configured as a truncated cone. The convergin cone angle of the recess in receptacle (9) is smaller than the cone angle of the centering profile (3). Several cuts (10) separate the receptacle (9) in spring segments (11). The bottom (12) of the recess has a larger diameter than the contact surface (13) of the circular cutting tool (2). It is provided with a circular groove (14) running along its periphery.