Vertical broaching machine

Details Vertical broaching machine Vertical broaching machine

1997-06-03

1998-11-10

Pitts, A. L.

Gear cutting, milling, or planing

Broaching

With means to advance, infeed, or manipulate work

409275, 409282, 409285, B23D 4106

Patent

active

058334114

ABSTRACT:
A vertical broaching machine comprises a machine stand having an upper rail and a lifting carriage displaceably guided on the stand and drivable by means of lifting spindles which are supported in spindle nuts lodged in the rail for rotational driving. An upper workpiece holder is mounted on the rail, holding a broach when a compressive broaching job is carried out.

REFERENCES:
patent: 1569862 (1926-01-01), Lapointe
patent: 1925837 (1933-09-01), Jones et al.
patent: 2529705 (1950-11-01), Pataki et al.
patent: 2530066 (1950-11-01), Laase
patent: 3103852 (1963-09-01), Bonnafe
patent: 4266894 (1981-05-01), Zuzanov et al.
patent: 4558579 (1985-12-01), Petkov et al.
patent: 5755539 (1998-05-01), Takeuchi et al.

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