Method for producing the tooth shape of the inner and outer ring of an annular gear machine and toothed ring produced by means of said method
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United States of America Patent
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Mar 1, 2016
Grant Date -
Dec 12, 2013
app pub date -
Feb 21, 2012
filing date -
Feb 22, 2011
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Abstract
In producing tooth shapes of two toothed rings of an annular gear machine, a starting geometry of a first toothed ring, at least one quality criterion of the annular gear machine, and a desired eccentricity between rotational axes of the two toothed rings are defined. A motion is performed with the starting geometry that performs a rotational motion about its rotational axis and a revolving motion about the rotational axis of the second toothed ring. The rotational and revolving motions are coupled so the rotational angle of the eccentricity equals the product of the rotational angle and tooth count of the first toothed ring. A tooth shape contour of the second toothed ring is generated by recording the path described by the envelope of the starting geometry. If the defined quality criterion is not met, the previously used starting geometry and/or the defined eccentricity is changed and steps are repeated.
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