![]() The automatic sheet thickness measurement device automatically measures the real sheet thickness before the first bend. Small tolerances of only few 1/100 mm can lead to an error of several degrees. The real thickness of the sheet compared to the theoretical, programmed sheet thickness is the cause for very important deviations in the resulting bending angle. The total stroke from the X3 axis is as thus 300mm.Īll metal sheets have a certain tolerance in the sheet thickness. The maximum dimension from X3 is 150mm, both front- as backwards. One backgauge finger can move front- and backwards, independ from the other finger ( Delta X in the sketch below). If parts need to be bent on a bending line not parallel to the edge of the plate, it can be advantageous to have an X3 cnc-controlled back-gauge finger. Considering the standard X/R backgauge, both backgauge fingers are positioned at the same distance from the bending tools centre line ( X-direction ). ![]()
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