Copying attachment for crankshaft milling machine

Details Copying attachment for crankshaft milling machine Copying attachment for crankshaft milling machine

1978-10-02

1979-06-05

Weidenfeld, Gil

Gear cutting, milling, or planing

Milling

With regulation of operation by templet, card, or other...

82 9, 82 20, 409199, B23C 118

Patent

active

041570553

ABSTRACT:
Known machines for milling a crankshaft comprise a longitudinal carriage movable in a first direction, a tool carriage movable on the longitudinal carriage for reciprocation relative thereto in a direction transverse to the first direction, a cutter head mounted on the tool carriage for rotation and having a cutting tool with inwardly directed cutting edge extending along a cutting circle and a chuck supporting a workpiece for rotation about the same axis as the cutter head and surrounded by the cutting circle. The invention provides a copying attachment comprising a template connected to the tool carriage for reciprocation therewith and having an arcuate edge portion, a roller mounted on the longitudinal carriage for rotation about an axis parallel to the axis about which the arcuate template edge portion is centered, a crank revolving the roller about a third axis parallel to, and spaced from, the said axes, and a hydraulic actuator connected to the tool carriage and including a head applying pressure to a side of the roller remote from the template edge portion, the actuator being operable to press the head into engagement with the remote roller side to force the roller towards the edge portion of the template.

REFERENCES:
patent: 3595131 (1971-07-01), Rozanek et al.
patent: 3880025 (1975-04-01), Kralowetz

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