Support pad for a drill head and method for designing and manufacturing a support pad
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United States of America Patent
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Jun 19, 2018
Issued Date -
N/A
app pub date -
Aug 17, 2016
filing date -
Aug 22, 2012
priority date (Note) -
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Abstract
A deep hole drill head support pad whose edge chamfers are formed in a continuous grinding operation so that there are no discontinuities in the angled side surface leading up to the outer surface thereof. A method of manufacturing the support pad includes generating a virtual guide metric including a curved travel path for a grinding surface around a support pad blank, and a plurality of control surfaces intersecting with the curved path at separate locations along its length, each control surface defining an angle of orientation of the grinding surface. A CNC grinding machine can interpret the virtual guide metric to change the angle of orientation of a grinding surface relative to a support pad blank as it moves between adjacent control surfaces in a continuous manner.
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