2806 Pressure riveting - Sheet Metal Fabrication Guide - szBERGEK

sheet metal bending process hole is for sheet metal bending process will not pull material. When the sheet metal bending line is crossed at a point, or the sheet metal bending line is close to the sheet metal edge, and less than 2 times the thickness of the plate, it is necessary to increase the sheet metal bending process hole to avoid bending and pulling material, bending process hole is generally used in the sheet metal bending, not bending, you can not open the process hole.

Do not open the disadvantages of the process hole: so that the edge will be less material thickness, welding filler, but also easy to cause welding deformation.

Advantages of open process hole: in the case of wrapping, the bending process hole can make the wrapping edge smoothly bend in place, and not bend and pull material.

Sheet metal bending technology hole opening skills

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