Cutting tool body having tungsten disulfide coating and method for accomplishing same
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United States of America Patent
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Issued Date -
Sep 30, 2004
app pub date -
Mar 31, 2003
filing date -
Mar 31, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of manufacturing a tool body of a cutting tool comprises mechanically shaping the tool body to provide a metal surface on the tool body having a first surface characteristic. Thereafter, the metal surface is chemically treated with a metal reactant to create a relatively soft metal film along the metal surface. This soft metal film is removed via burnishing or other appropriate action to smooth the metal surface. After the surface is smoothed, the metal surface is then roughened to prepare the surface for the receipt of tungsten disulfide. The roughened metal surface is coated with tungsten disulfide. A cutting tool is disclosed that comprises a tool body defining a substantially isotropic surface having pits formed therein, and tungsten disulfide particles filled into the pits.
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