GEAR CUTTING TOOL, GEAR MACHINING APPARATUS, AND GEAR MACHINING METHOD
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United States of America Patent
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Issued Date -
Jun 18, 2020
app pub date -
Dec 11, 2019
filing date -
Dec 13, 2018
priority date (Note) -
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Abstract
A gear cutting tool configured to machine a workpiece with a skiving so as to generate a gear tooth includes a ring-shaped tool main body, and a plurality of tool blades which are replaceable and attached to the tool main body, such that the tool blades are arranged in a circumferential direction of the tool main body and a blade tip of each of the tool blades is oriented inward in a radial direction of the tool main body. Since the gear cutting tool for skiving is an internal gear type tool, the accuracy and the tool life of external gear machining when using the internal gear type tool are higher and longer than the accuracy and the tool life of external gear machining when using an external gear type tool. As a result, the frequency of replacement of the tool blades can be lowered and cost can be reduced.
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