Method and device for measuring the geometry of a cutting edge to be chamfered
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United States of America Patent
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Mar 1, 2011
Grant Date -
Jun 18, 2009
app pub date -
Jul 20, 2006
filing date -
Jul 25, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The machining of drills (1) includes an operation for chamfering the cutting edges (8) performed in two steps. In the first step the rotating grindstone (15) is directed to various locations of the cutting edge (8) and the point of contact is detected by an electronic appliance (17) whereof the electronic module (19) controls the stoppage of the grindstone, its return to the starting position and the recording of the position of the grindstone at the time of contact. In the second step the grindstone (15) is controlled to follow the left line obtained by connecting the points registered during the first step.
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