How To Put A Hem On Sheet Metal

Step 10 repeat the last step again but this time try a different type of hem.

How to put a hem on sheet metal.

A hem provides stiffness to a design or provides a smooth rounded external edge on a part to eliminate sharp edges. The cad hem s angle can be adjusted past 180 degrees to create a closed teardrop or underbent to create an open hook. Create a bend with acute angle tooling in the metal 30 is preferable but 45 will work for some circumstances. To establish the hem bend line add the two outside dimensions up to the hem then subtract half the hem elongation allowance and a full bend deduction for the inner 90 degree bend.

On the ribbon click sheet metal tab create panel hem. The hem tool adds a hem to your sheet metal part at a selected edge. To establish the inner smaller radius 90 degree bend line subtract half a bend deduction from the outside dimension of the flange. When working with a brake press hems are always created in a two step process.

To bead an edge simply select that hem type in the hem feature s setup. In the type drop down list click one of the following. You can create single double rolled and teardrop hems. In sheet metal hemming means to fold the metal back on itself.

In an open sheet metal part and in the graphics area select an edge as shown.