on an external or internal cylindrical or conical surface, e.g. on recesses

Introduced: September 1968

Last revised: January 2006

Full Title

Thread cutting; Automatic machines specially designed therefor > on an external or internal cylindrical or conical surface, e.g. on recesses

Section:: PERFORMING OPERATIONS; TRANSPORTING
Class:: MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
Subclass:: THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS OR NUTS, IN CONJUNCTION THEREWITH

3 direct subcodes

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B23G 1/04 Machines with one working-spindle
B23G 1/08 Machines with a plurality of working-spindles
B23G 1/12 Machines with a toothed cutter in the shape of a spur gear or the like which is rotated to generate the thread profile as the work rotates