Cutting insert and cutting tool assembly including same
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United States of America Patent
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Nov 21, 2023
Grant Date -
Dec 15, 2022
app pub date -
Jun 11, 2021
filing date -
Jun 11, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A cutting insert capable of performing front-turning and high feed back-turning according to one embodiment includes: an upper surface; a lower surface opposite to the upper surface in a vertical direction; a side portion configured to connect the upper surface and the lower surface; a mounting hole extending through the upper surface and the lower surface; and a plurality of cutting edges formed at edges where the upper surface meets the side portion, wherein the upper surface has one or more cutting corners, the plurality of cutting edges include a major cutting edge and a minor cutting edge extending from the cutting corner, and a representative inclination of the minor cutting edge used for high feed back-turning is greater than a representative inclination of the major cutting edge used for front-turning with respect to a virtual reference plane perpendicular to the vertical direction.
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