How to prevent the deformation of sheet metal is CNC punch press?

by:Gewinn     2020-03-30
The following to analyze CNC punch press is how to prevent the deformation of sheet metal? If rushed on a plate is porous, because the plate is not flat. May lead to deformation of the surrounding material, sheet metal on the surface caused by tensile stress, whereas compressive stress in the surface. For CNC punching machine to prevent the deformation of sheet metal phenomena we should every other Kong Chong cutting, cutting back and the rest of the hole. So although also can produce stress, but reduce the stress of stamping direction in the same order as the cumulative, also can make the two groups before and after hole stress cancel each other out, thus preventing deformation of sheet metal CNC punch.
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