Device for rough turning and shaft turning

Cutters – for shaping – Including tool having plural alternatively usable cutting edges

Patent

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Details

407114, B26D 100

Patent

active

042783690

ABSTRACT:
In a device for rough turning and shaft turning of a workpiece, a cutting insert is provided with a main cutting edge followed by an auxiliary cutting edge. The main cutting edge is divided into a first main cutting edge functioning as a rough cutter followed by a second main cutting edge performing rough smoothing and then by the auxiliary cutting edge which provides the final smoothing. The first main cutting edge is set at a greater angle to the axis of the workpiece than the second main cutting edge which, in turn, is set at a greater angle to the axis of the workpiece than the auxiliary cutting edge.

REFERENCES:
patent: 4086016 (1978-04-01), Goeke
patent: 4111589 (1978-09-01), Goeke

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