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Getting my head around sketched bends

Question asked by 1-J6CI3I on Apr 30, 2009
Latest reply on May 1, 2009 by Michael Duncan
I have a piece of plate 6mm thk with an internal bend radius of 6.6mm bent at 90 degrees. The flange length(or height) I am after is 54mm. However when I dimension the bend line at 54mm the flange height is 66mm with bend at centre line selected. I know I am missing some maths when it comes to positioning the sketch, initially and I was wondering if someone could point me in the right direction for my own understanding.

By the way I am using a Kfactor of .48


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