ROTATABLE CUTTING TOOL WITH CUTTING INSERT AND BOLSTER
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Feb 13, 2025
app pub date -
Aug 9, 2023
filing date -
Aug 9, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
A rotatable cutting tool includes a cutting tool body with a head portion. A bolster is at least partially received in the head portion and includes a socket, a collar portion and a shank portion. The socket is formed with a conical side wall and a radius blend. A hard tip or cutting insert is at least partially received in the socket and includes a conical head portion, a collar portion and an axially rearward frustoconical portion that generally conforms to the geometry of the socket of the bolster. The shank portion of the bolster provides a narrow bottom style geometry and the axially rearward frustoconical portion of the cutting insert provides a tapered geometry that together increases the strength of a braze joint between the bolster and the base portion, thereby reducing forces and stresses transmitted to the cutting tool during a machining operation.
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