Stretch bender
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 20, 2004
Grant Date -
Nov 28, 2002
app pub date -
May 21, 2002
filing date -
May 23, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A stretch bending device that can conduct accurate bending without using heavy material. A tension application mechanism 62 comprises first and second drive sources for movably supporting both ends of a guide member 12 with respect to a pair of arm members 28, 30 and moving the guide member 12 along the arm members 28, 30. Between the arm members 28, 30, a work piece 6 is arranged. There are tension sensor 98 for detecting tension applied to the work piece 6 and position sensors for detecting positions of the guide member 12. Torque of the first drive source is controlled based on the tension detected by the tension sensor 98, and the second drive force is controlled based on the positions detected by the position sensors.
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