GEAR MACHINING APPARATUS AND GEAR MACHINING METHOD
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United States of America Patent
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Issued Date -
Jul 18, 2019
app pub date -
Jan 3, 2019
filing date -
Jan 3, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A gear machining apparatus includes a machining point setting unit that sets a machining point of a gear cutting tool to a position that is offset from a reference point. The gear cutting tool is arranged such that a projection line of a rotation axis of the gear cutting tool is parallel to a projection line of the rotation axis of the workpiece when viewed in a direction orthogonal to a reference plane, and intersects the projection line of the rotation axis of the workpiece when viewed in a direction orthogonal to a plane containing the rotation axis of the workpiece and the rotation axis of the gear cutting tool. The machining point setting unit sets an offset angle of the machining point from the reference point to different angles for roughing and for finishing.
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