| 摘要 |
1,137,604. Copying lathe tool set. FABRIQUE NATIONALE D'ARMES DE GUERRE SOC. ANON. 10 March, 1967 [28 March, 1966], No. 11275/67. Headings B3B and B3T. A tool set for a copying lathe comprises a series of frusto-conical tools 7 mountable by tapered shanks 8 on a tool holder 1, the tools having cutting diameters which differ by a constant value and a series of cylindrical bushings 10 which are mountable on a tracer 4 of a copying device 3 to follow the surface of a template 5, the outside diameters of the bushings also differing by a constant value related to the difference in tool diameters. |
