Sheet Metal Bend Relief Size

Bend relief is provided at the end of bending edge in sheet metal design to avoid any crack tearing in the corner.

Sheet metal bend relief size.

To eliminate this a bend relief is added so the edge of the sheet metal is perpendicular to the bend. If it is ok for the metal to rip the minimum bend relief is zero. In general a minimum bend relief is equal to the material thickness plus the inside bend radius. Do one of the following.

One benefit of a bend relief is that it makes the part easier to produce. Though bend relief lengths and widths vary between projects they all share a common goal. Choose create relief in the sheet metal menu. Bending is one of the most common sheet metal fabrication operations.

The flange which does not have relief will result in a greater amount of distortion or tearing of the adjacent material. Use this document to choose values that are both manufacturable and meet your needs. Preventing tearing and part deformation during the bending process. Click the create relief tool button on the sheet metal ribbon tab.

Enter relief size by bend radius ratio or force bend reliefs. Type smreliefcreate in the command bar. When designing parts for laser cutting one should not make holes smaller than the thickness of the material. The force must exceed the material s yield strength to achieve a plastic deformation.

Bends in sheet metal are manufactured using sheet metal brakes. This is done through the application of force on a workpiece. Select an item see the note below. Also known as press braking flanging die bending folding and edging this method is used to deform a material to an angular shape.

Sheet metal parts with a minimum of 0 9mm to 20mm in thickness can be manufactured. Bend radii minimum bend sizes it is most economical to use a single bend radius throughout the design but if necessary you can utilize multiple radii. Synchronous sheet metal is pretty cool even cooler than just normal synchronous modeling if you ll excuse that word. Select a hard edge bend face flange face or 3d solid entire model.

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. 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. A 1 degree tolerance on all bend angles. Grain structure in the metal sheet is critical for avoiding cracks in sheet metal parts with lugs or tabs that are cut on.