CUTTING INSERT, CUTTING TOOL, AND METHOD FOR MANUFACTURING MACHINED PRODUCT
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United States of America Patent
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Issued Date -
Aug 22, 2024
app pub date -
Jul 1, 2022
filing date -
Jul 1, 2021
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status (Latency Note)
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Abstract
A cutting insert according to one non-limiting example has a quadrangular prism shape extending from a front end toward a rear end along a central axis, and comprises a cutting portion, and a main body portion. The main body portion has an upper surface having a V-shaped flute extending along the central axis. An opening portion and a bottom portion of the flute each have a convex shape protruding upward in a direction along the central axis. A first flute has a first region positioned on the rear end side and a second region positioned on the front end side with respect to the first region. An opening angle of the first flute in the first region is smaller than an opening angle of the first flute in the second region.
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