Abrasive tool inserts with diminished residual tensile stresses and their production
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United States of America Patent
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Aug 23, 2005
Grant Date -
Jan 15, 2004
app pub date -
Jun 11, 2003
filing date -
Jul 10, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
An abrasive tool insert includes (a) a substrate having a support face that includes (1) an inner support table, (2) an outer shoulder having a width, Sw, and (3) a downwardly sloping interface from the support table to the shoulder, which interface has a slope angle, Sa. A continuous abrasive layer, integrally formed on the substrate support face, includes (1) a center having a height, Dc, (2) a diameter, Dd, (3) a periphery having a height, Dp, in contact with the shoulder and which periphery forms a cutting edge. Sw:Dd ranges from between 0 and about 0.5. For each Sa and Sw:Dd, Dc:Dp is selected so as to diminish residual stress in the abrasive layer.
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