Rolling Edge Of Steel Sheet

For sheet metal support rolls are needed near the knives or files.

Rolling edge of steel sheet.

Unlike benchtop sheet metal tools these shapers are portable so they re often used on site by roofers. Rounding edges with minium radius 2 mm is a necessity for good adhesion of coating or paint to protect against corrosion. Pinch rolls stabilize the sheet metal in the grinding zone. Curls are most often used to remove a sharp untreated edge and.

Sheet metal hems are formed using very different methods though produces features with similar uses and functionality. With a single tool create both sharp creases and soft curves along the edges of sheet metal. Curling sheet metal is the process of adding a hollow circular roll to the edge of the sheet. 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.

Stationary carbide knives or flat files for smoothing the edges are easy to incorporate into a low speed operation. The curled edge provides strength to the edge and makes it safe for handling. Heat treated tool steel rolls will provide a product details. The present work explores the applicability of damage mechanics models to this problem.

Edge cracks need to be removed by a trimming operation and they may cause rupture of the sheet in the rolling mill. Grinding uses driven side rolls see figure 4. Also known as edge rollers these tools slide back and forth along edges to create even bends. Many metals tend to develop edge cracks during hot and cold rolling.

Use 1 8 markings to set up precise bends. Roll sets are available in heat treated tool steel or delrin.