Sheet Metal Bend Relief

In low carbon steel sheet metal the minimum radius of a bend should be one half the material thickness or 0 80 mm.

Sheet metal bend relief.

Choose create relief in the sheet metal menu. Sheet metal bend relief modify a bend relief the small cut made where the bend end meets a free edge and by specifying a shape and either a depth and relief width scale or specific bend relief depth. Sheet metal parts with a minimum of 0 9mm to 20mm in thickness can be manufactured. Do one of the following.

A bend relief creates space between the bent and unbent surfaces so that the edge of the sheet metal is perpendicular to the bend itself. Design for manufacturability sheet metal guidelines bends for the ease of manufacturing multiple bends on the same plane should occur in the same direction. Bends in sheet metal are manufactured using sheet metal brakes. If it is ok for the metal to rip the minimum bend relief is zero.

Enter relief size by bend radius ratio or force bend reliefs. When designing parts for laser cutting one should not make holes smaller than the thickness of the material. Avoid large sheet metal parts with small bent flanges. In general a minimum bend relief is equal to the material thickness plus the inside bend radius.

The gap between the bend and surrounding material allows us to shape the sheet in the press brake cleanly eliminating cracking and tearing. Synchronous sheet metal is pretty cool even cooler than just normal synchronous modeling if you ll excuse that word. To eliminate this a bend relief is added so the edge of the sheet metal is perpendicular to the bend. You are also able to select to extend the bend relief in the opposite direction in the case of a flange for example illustrations below.

Grain structure in the metal sheet is critical for avoiding cracks in sheet metal parts with lugs or tabs that are cut on. Bend relief and collars near pierced areas strengthen sheet metal parts. Type smreliefcreate in the command bar. Select an item see the note below.

Relief height is generally kept greater than two times of sheet thickness plus bend radius. One benefit of a bend relief is that it makes the part easier to produce. Click the create relief tool button on the sheet metal ribbon tab. A 1 degree tolerance on all bend angles.

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