Relief Cut Sheet Metal

In the corner relief propertymanager under scope select the sheet metal body to which to apply the corner relief.

Relief cut sheet metal.

Grain structure in the metal sheet is critical for avoiding cracks in sheet metal parts with lugs or tabs that are cut on. To change the type of relief cut for all bends. Bend relief and collars near pierced areas strengthen sheet metal parts. Right click the sheet metal feature in the featuremanager design tree and select edit feature.

Click corner relief sheet metal toolbar or insert sheet metal corner relief. Under corners click collect all corners to list all corners in the sheet metal body. We would like to show you a description here but the site won t allow us. If you select rectangular or obround specify the relief ratio.

Bend 1 shows a a tear relief. Sheet metal parts may have sharp corners but designing a fillet of the material s thickness will make parts more cost effective. In general a minimum bend relief is equal to the material thickness plus the inside bend radius. One benefit of a bend relief is that it makes the part easier to produce.

In the propertymanager under auto relief change the type of relief cut. Bend 2 shows a rectangular relief cut into the part the depth of the relief should be greater than the radius of the bend. Figure c shows a bend relief cut into the part again the depth of the relief should be greater than the radius of the bend. The width of the relief should be a material thickness or greater preferably a material thickness 1 64.

The width of the relief should be the material thickness or greater. Sheet metal fabrication is the process of forming parts from a metal sheet by punching cutting stamping and bending. If it is ok for the metal to rip the minimum bend relief is zero. Relief cuts help parts avoid overhangs and tearing at bends.

4 forming near holes when a bend is made too close to a hole the hole may become deformed. For example if you make a partial flange as above using all the defaults the software makes relief cuts at the end of the bends as shown to the right.