Method and tool for producing a thread in a workpiece
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United States of America Patent
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May 30, 2017
Grant Date -
May 7, 2015
app pub date -
Jun 10, 2013
filing date -
Jun 14, 2012
priority date (Note) -
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Abstract
A method for producing a thread can include a) generating a number n≧1 of twisted grooves in a wall of the workpiece encircling a thread axis (M) or generating a wall of the workpiece which has a number n≧1 of twisted grooves and encircles a thread axis, b) respectively inserting a thread generating region of a tool into each of the twisted grooves in a twisted insertion movement, c) generating a thread in each wall sub-region, adjoining the groove(s), of the wall of the workpiece by rotating the tool about the thread axis (M) and with a simultaneous axial feed motion of the tool coaxially with respect to the thread axis with a particular axial feed speed and d) moving each thread generating region of the tool out of the associated groove in a twisted removal movement matched to the twisting of the associated twisted groove.
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