Apparatus, system, and method for measuring thread features on pipe or tube end
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United States of America Patent
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Aug 12, 2014
Grant Date -
Jul 7, 2011
app pub date -
Mar 26, 2009
filing date -
Mar 27, 2008
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Abstract
A first thread feature is measured by detecting with an optical sensor 2 light that reaches from a light source 21 located on the opposite side of a pipe axis and runs substantially in parallel to thread grooves A4. A contact probe 31 of a contact sensor 3 is contacted with a thread flank surface A8 to detect the space coordinates of the contact probe 31 at the time of contact, so that a second thread feature is measured. The first and second thread features thus detected are combined with each other by a processor 4, and thread features of the thread provided as a measurement object are thereby calculated.
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