Gear machining apparatus, cutter and strain wave gearing device
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United States of America Patent
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-
May 3, 2016
Grant Date -
Mar 8, 2012
app pub date -
Aug 26, 2011
filing date -
Aug 31, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A gear machining apparatus includes a skiving mechanism positioning a work to be machined and a pinion type cutter on axes skewing from each other, the skiving mechanism rotating the work at a predetermined position and feeding the cutter while rotating in a direction of a tooth trace of a gear to be formed at the work synchronously to the rotation of the work for producing the gear from the work. The cutter includes a tooth surface which is formed with an involute region having an involute curve in an area including a pitch circle in a tooth depth direction, an addendum region continuously formed from the involute region to an addendum, and a dedendum region continuously formed from the involute region to a dedendum the addendum region and the dedendum region being shaped in a configuration different from the involute region.
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