Thread-milling fixture for machines with a displaceable tool carrier dependent upon the workpiece rotation, in particular a screw-cutting lathe

摘要

Thread-milling fixture for fastening to a screw-cutting lathe for the efficient production of internal or external threads, consisting of a change-pole electric motor which is fastened to a base plate slanting relative to the motor axis and to the shaft end of which a conical attachment piece with a cutting tool is fastened, and the base plate together with the motor is adjusted vertically by the amount of the helix angle and in the process the cutting tool forms the centre point. IMAGE