GEAR SLICING TOOL AND MANUFACTURE METHOD THEREOF
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United States of America Patent
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Issued Date -
Sep 12, 2024
app pub date -
May 23, 2023
filing date -
Mar 7, 2023
priority date (Note) -
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Abstract
A gear slicing tool and a manufacture method thereof are provided. The gear slicing tool includes a gear slicing tool body having concave and/or convex parts formed on a tool surface of the gear slicing tool body and a composite film layer disposed on the tool surface. The composite film layer includes a metal film layer, a transition film layer, and a functional film layer. A material of the metal film layer includes a metal. The transition film layer includes a first film layer and a second film layer. A material of the first film layer includes a nitride of the metal. A material of the second film layer includes a nitride of an alloy of the metal and aluminum. A material of the functional film layer includes a nitride of an alloy of the metal, aluminum, and silicon.
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