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K-Factor and Bend Angle

Question asked by Raymond Pearson on Jul 22, 2008
Latest reply on Jul 29, 2008 by Bob Deschenes
It has been stated here that k-factor is relitivly amune from bend angle. Yet the SW k-factor bend table is set up for bend angle increments of 15 degs.

Is anyone using the k-factor bend tables? Most everyone I have talked to are entering k-factors manualy.

Also - the rule of thumb method for k-factor based on the ratio of radii/thickness, and increasing with material hardness. But many of the samples I have seen have Aluminum at higher k-factors than steel. Can anyone explain this?