Boring Cutter
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United States of America Patent
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Issued Date -
Nov 19, 2015
app pub date -
Sep 30, 2013
filing date -
Jun 28, 2013
priority date (Note) -
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Abstract
A boring cutter includes a tool body and a cutting insert. The tool body includes a shaft handle and a cutting end, and defines a circumferential face extended between the shaft handle and the cutting end. The tool body further has an insert pocket extended to the cutting end to secure the cutting insert at the insert pocket, and a flute formed on the circumferential face to communicate with the insert pocket. The tool body further has a cooling channel extended through the shaft handle to the cutting end, and a plurality of discharging chambers spacedly formed on the circumferential face to communicate with the cooling channel. During a drilling process, cooling fluid is released to the discharging chambers from the cooling channel to create a pressure between the tool body and an inner wall of a hole of a workpiece to prevent the tool deflection and drilling vibration.
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