Broaching machine for external broaching of rotor

Details Broaching machine for external broaching of rotor Broaching machine for external broaching of rotor

1986-08-06

1988-03-15

Desmond, Eugene F.

Gear cutting, milling, or planing

Broaching

With means to hold work during cutting

B23D 4106

Patent

active

047309636

ABSTRACT:
A broaching machine for broaching an outer surface of a rotor of a rotor assembly which includes a support shaft projecting from opposite end faces of the rotor for supporting the rotor rotatably about its axis. The machine includes a backing plate for backing the rotor assembly such that one of the end faces of the rotor is held in contact with backing plate. The circumferential position of the rotor assembly is established by a positioning pin which extends from the backing plate, and engages a hole formed in the rotor. The machine includes a first centering device which has a center engageable with one of opposite ends of the support shaft so as to hold and center the support shaft at the one end, and a second centering device having a V-block and a retainer block which are engageable with the other end of the support shaft so as to hold and center the support shaft at the other end. With the first and second centering devices, the rotor assembly is easily and accurately mounted on the machine, with the axis of rotation of the assembly aligned with a line of feed of a broach cutter.

REFERENCES:
patent: 2225731 (1940-12-01), Averill
patent: 3636747 (1972-01-01), Esterzon et al.
patent: 4576367 (1986-03-01), Horn et al.

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