CUTTING HEAD OPERATED BY CENTRIFUGAL FORCE AND CUTTING APPARATUS INCLUDING THE SAME
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United States of America
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Issued Date -
Mar 19, 2020
app pub date -
Sep 17, 2019
filing date -
Sep 17, 2019
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Abstract
A cutting head operated by a centrifugal force according to an embodiment of the present invention includes: an external housing that is rotatable; an internal housing installed within the external housing so as to be able to advance and retreat in a diameter direction, advanced toward a cut surface of a workpiece positioned outside the external housing by a centrifugal force according to rotation of the external housing, and retreated in a direction that becomes distant from the cut surface by an elastic member while the centrifugal force disappears; and a cutting tool unit provided in the internal housing and processing a groove in the cut surface while being advanced and retreated by a micro advance and retreat member.
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