Tool arrangement for the production of helical teeth in gear wheels
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United States of America Patent
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May 29, 2012
Grant Date -
Dec 17, 2009
app pub date -
Sep 6, 2006
filing date -
Sep 13, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Tool arrangement for the production of helical teeth in gear wheels, wherein a roughing hob (20), at least one deburring cutter (16, 18) and a finishing hob (12) can be fastened on a common mandrel (14) in a predetermined rotational position relative to one another, and the teeth of the finishing hob, which are situated along a helical line, each have a different cross section such that the engagement angle of the right or left flanks decreases continuously starting from a maximum value of the first tooth up to the last tooth, and the maximum engagement angle of the right flanks of the first or last tooth coincides with the minimum engagement angle of the left flanks, and vice versa.
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