Thick PE material after the deformation of the punch how to do
Cancel each other, and then avoid the deformation of the CNC punch sheet.
I was PE foam, is rushed to the knife mold inside has been deformed, (30mm thick soft PE foam)
For the NC punch to avoid the appearance of deformation of the sheet, we should punch every other hole, and then come back to cut the remaining holes, to ease the same direction when the pressure accumulation of stamping, but also before and after the two groups of stress
