Bend Relief Sheet Metal

To eliminate this a bend relief is added so the edge of the sheet metal is perpendicular to the bend.

Bend relief sheet metal.

Use the corner relief propertymanager to apply corner treatments to a folded sheet metal body that persist in the flattened state. 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. 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. Geometry of tooling imposes a minimum bend dimension.

One benefit of a bend relief is that it makes the part easier to produce. Type smreliefcreate in the command bar. Lack of proper bend reliefs may cause tearing of the material due to localized stresses. Synchronous sheet metal is pretty cool even cooler than just normal synchronous modeling if you ll excuse that word.

Parent topic using sheet metal tools search corner reliefs and bend transitions in the solidworks knowledge base. Improper bending of sheet metal can cause material flow problems in soft material and fracturing in hard materials. Bend relief and collars near pierced areas strengthen sheet metal parts. The flange which does not have relief will result in a greater amount of distortion or tearing of the adjacent material.

This article looks at two different tips associated with ensuring you have high quality sheet metal in finished products. The diagram shows one such mechanism. Select an item see the note below. Enter relief size by bend radius ratio or force bend reliefs auto.

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. Refer to the chart for values for folder as well as various press brake tooling combinations. Choose create relief in the sheet metal menu. Click the create relief tool button on the sheet metal ribbon tab.

In general a minimum bend relief is equal to the material thickness plus the inside bend radius. As per sheet metal design thumb rules the depth of bend relief should be greater than or equal to the inside bend radius of the bend and the width of the bend relief should be the same as the sheet metal thickness or more. If it is ok for the metal to rip the minimum bend relief is zero. Grain structure in the metal sheet is critical for avoiding cracks in sheet metal parts with lugs or tabs that are cut on.

Use the minimum bend dimension values in the charts below for your minimum closeness of cutout to a bend.