Milling tool
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United States of America Patent
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Sep 13, 2005
Issued Date -
N/A
app pub date -
Jun 21, 2004
filing date -
Dec 21, 2001
priority date (Note) -
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Abstract
A milling tool has a cutting edge geometry with a main cutting edge, a cutting corner, optionally with a bordering planar cutting edge segment, and a secondary cutting edge. The tool is used for milling to achieve the smoothest level surface possible parallel to the rotational axis of the milling tool. Each main cutting edge is formed to result in a generatrix of the envelope curve described by the rotation of the milling tool that has a first outwardly curving segment and a second inwardly curving segment. The first segment increases in its distance from the rotational axis from the beginning of the segment to the end of the segment. The distance of the second segment decreases from its beginning towards its end. The tangents at each point of the second segment encompass an angle α2 of more than 0° and up to 3° with a parallel to the rotational axis.
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