PARTING DIE FOR CUTTING END FACES OF PIPE WORKPIECES Russian patent published in 1998 - IPC

FIELD: mechanical engineering. SUBSTANCE: cutting edge 6 of the stepped working part of heading tool 3 is made lower than wedged surface 7 of the heading tool. Gripping die 21 also has wedged surface 36 which answers the wedged surface 7 of the heading tool. Holder has flexible disk 15 and is secured on guide posts 8 of the upper shoe. Guide posts 8 have changeable adapters. Unit of laying and fixing of workpiece is made as two disks 18 and 19 and clamping strip 20. The gripping die is built into the central openings of the disks. Dist 18 is not rotatable. Disk 19 and damping strip can rotate relative to the gripping die 21. Rotatable disk 19 is provided with slots where arbor support 26 with template 27 for the workpiece 29 and arbor support with balancers are placed. EFFECT: enhanced technology. 7 dwg