Apparatus for forming internal teeth at large workpieces at a gear shaper
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United States of America Patent
Stats
-
Jan 13, 1981
Grant Date -
N/A
app pub date -
May 14, 1979
filing date -
Jun 2, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for forming internal gear teeth at large workpieces at a gear shaper or gear shaping machine comprising a machine bed at which there are arranged a workpiece table for chucking a workpiece and an upright or stand. The workpiece table and the stand are rotatable, relative to one another, about the workpiece axis and radially feedable relative thereto. The stand has guide means along which there can be moved to-and-fro a plunger by means of a plunger drive. An auxiliary stand is rotatably and radially displaceable about the workpiece axis upon a bearing rim which is coaxially attached at the workpiece. The auxiliary stand has a guide arrangement along which there can be moved to-and-fro, in the tooth lengthwise direction of the internal teeth, an auxiliary plunger driven by the plunger by means of a bridge arrangement.
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