Method for machining the screw of a compression or expansion mac

Details Method for machining the screw of a compression or expansion mac Method for machining the screw of a compression or expansion mac

1978-04-18

1980-09-16

Weidenfeld, Gil

Gear cutting, milling, or planing

Gear cutting

Gear tooth shape generating

409 25, 409 48, 409 65, B23F 910, B23F 1500

Patent

active

042226910

ABSTRACT:
A tool having only an end cutting-edge carries out a first movement of penetration into a screw blank so as to produce a groove having flanks substantially parallel to the pinion axis. The tool-holder is angularly displaced with respect to the spindle which carries the screw blank. A second movement of tool penetration takes place while the relative displacement is progressively reduced in order to obtain an inclined flank which produces a V-shaped profile. The screw is intended to form part of a compression and expansion machine and to cooperate with at least one pinion having V-form teeth.

REFERENCES:
patent: 1812384 (1931-06-01), Trbojevich
patent: 1965002 (1934-07-01), Richer

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