Broaching machine

Details Broaching machine Broaching machine

1976-12-07

1978-05-30

Weidenfeld, Gil

90 78, 90 82, 90 88, B23D 3718, B23D 4106

Patent

active

040917142

ABSTRACT:
A continuous-action broaching machine for machining the external surfaces of workpieces, wherein the broaches are mounted for continuous motion with respect to a multiposition table carrying a plurality of vices adapted to fix a workpiece being machined therein, the table being mounted for stepwise rotation, to position successively the vices thereof adjacent to a mechanism for loading workpieces into the vices, to the broaches and to a mechanism adapted to transfer and reposition a workpiece from one vice into another one. This repositioning mechanism comprises a rest carrying a head adapted to clamp a workpiece therein, the head being mounted on the rest for rotation about an axis, the repositioning mechanism further including a carriage with guideways for the aforementioned rest, the carriage being mounted on a stationary support for rotation about an axis extending transversely relative to the axis of rotation of the head, whereby a workpiece can be rotated in two different directions, while keeping the position of the reference point on its axis.

REFERENCES:
patent: 2072563 (1937-03-01), Lynch et al.
patent: 2751823 (1956-06-01), Freter

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