How To Roll Sheet Metal Edges

Pinch rolls stabilize the sheet metal in the grinding zone.

How to roll sheet metal edges. Stationary carbide knives or flat files for smoothing the edges are easy to incorporate into a low speed operation. Grinding uses driven side rolls see figure 4. Just do it in increments. The smallest bending radius is equal to the upper roll diameter.

You can create the perfect uniform radius with these bevel heads. After entering the type of material sheet thickness and bending radius the cnc machine sets itself to roll bending by adjusting the middle rolls downwards in relation to the two side rolls. In the photos you can see that we start by folding the sheet metal over a sharp edge such as the edge of an anvil or sander stand. Rolling sheet metal serves two important functions for armoring.

Sheet metal hems are formed using very different methods though produces features with similar uses and functionality. This is because the metal is simply being bent on one plane. For sheet metal support rolls are needed near the knives or files. It s a fairly simple process that adds strength to your armor as well as giving it a finished look and pr.

I did something like this when i made burn barrels just skipped the slitting part. Here i show you how to roll an edge on your armor. Cut a slit on one end and use that slit to bend the edge over far enough to then dolly it to the final shape. If you don t want to weld 1 2 round on the edge get yourself a piece of 5 8 or 3 4 rod about 8 or 10 inches long.

Figure 1 1 shows that the length of the edge before the roll a is the same as the outermost area of the roll b and as the inner most part of the roll c. The deeper these rolls are set the smaller the bending radius. This is how easy it is to make a rounded edge on metal. The curled edge provides strength to the edge and makes it safe for handling.

Rounding metal with the bevel heads from beveltools ensure a smooth and consistent rounded edge on sheet plate pipe and hole. For the most part the easiest edge to roll is one on a straight line or one with a very slight outward curve. Curling is different than a tear drop hem because in a curl the edge finishes inside itself where a hem leaves the initial edge exposed.