All urethane deflects under a load; the lower the durometer value (softer), the greater the deflection. As a brief aside, if you want to mitigate deflection, you might consider 3D printing, which ...

Posted in Tool Hacks Tagged bench vise, bending, die, Machine tool, PETG, PLA, press brake, punch, reinforced, sheet metal 3D-Printed Punch And Die Stand Up To Steel February 16, 2018 by Dan ...

Instead, get a small combination press brake, shear and slip roll former for about $350 plus freight from Eastwood.com. 12″ wide x 16 ga aluminum capacity or 26 ga sheet metal.