Heat treated tool steel rolls will provide a product details.
Rolling edge of steel sheet.
Use 1 8 markings to set up precise bends.
With a single tool create both sharp creases and soft curves along the edges of sheet metal.
Curls are most often used to remove a sharp untreated edge and.
Edge cracks need to be removed by a trimming operation and they may cause rupture of the sheet in the rolling mill.
1 4 inch edge bead roll round bead at the edge of sheet metal.
Roll sets are available in heat treated tool steel or delrin.
Rounding edges with minium radius 2 mm is a necessity for good adhesion of coating or paint to protect against corrosion.
Stationary carbide knives or flat files for smoothing the edges are easy to incorporate into a low speed operation.
Unlike benchtop sheet metal tools these shapers are portable so they re often used on site by roofers.
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.
For sheet metal support rolls are needed near the knives or files.
Also known as edge rollers these tools slide back and forth along edges to create even bends.
The curled edge provides strength to the edge and makes it safe for handling.
Curling sheet metal is the process of adding a hollow circular roll to the edge of the sheet.
Rounding off sharp edges with radius cutters good and accurate rounding of steel constructions according to en 1090 iso 12944 iso 8501 or imo pspc is becoming more and more important in the metal working industry.
Grinding uses driven side rolls see figure 4.
Pinch rolls stabilize the sheet metal in the grinding zone.
Sheet metal hems are formed using very different methods though produces features with similar uses and functionality.