Method of machining gears to produce a sinusoidal-parabolic hybrid motion error, gear thus produced and machine for performing said method
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United States of America Patent
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May 17, 2022
Grant Date -
Jan 30, 2020
app pub date -
Apr 20, 2018
filing date -
Apr 3, 2017
priority date (Note) -
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Abstract
A method of machining a tooth flank of a gear with a gear machining tool. The method comprises rotating the tool and bringing the tool and the tooth flank into contact. Relative movements are provided between the tool and the gear to traverse the tool across the tooth flank along a path whereby the path produces a tooth flank geometry of a form which, when brought into mesh with a mating tooth flank under no load or light load to form a tooth pair, provides a motion graph curve comprising a sinusoidal portion (62, 89, 91, 90, 63) and a parabolic portion (92).
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