Folding Sheet Metal Edge To Eliminate Sharpness

The edges may appear flat but shearing dies leave burrs.

Folding sheet metal edge to eliminate sharpness.

Use a die grinder with the mounted point and simply run the point over the edge of the sheet metal. Step 2 use your die grinder with a mounted point we like shape w222 and simply run the point over the edge of the sheet metal. A blanked edge condition can be improved by adjusting the punch and die clearance tolerance shaving the area of the defective blanked edge designing an appropriate contact profile of the tool and die and understanding the mechanical properties of the sheet metal used. With the aid of a straight edge and a sharp knife score both sides of the aluminium sheet.

Step 1 secure the sheet metal to prevent slipping. Edge bending is used to eliminate sharp edges. Sheet metal s edges particularly with regard to the part after manufacture. These sections are located at the edges.

As the groove in the point wears just move down the point to create a new groove and so on. Place the fracture line over the edge of a table and bend the overhang slightly downwards. Figure 3 a sheared sheet metal edge has several attributes that make it sharp. Sheet aluminium can be cut without the need for a guillotine or tin snips which tend to deform the metal.

The edges may appear flat but shearing dies leave burrs. This weakens the aluminium and creates a fracture line. Secure the sheet metal to prevent slipping. This process will round the edge of the metal and create a groove in the point.

Many products use sheared sheet metal yet only one standard ul 1439 addresses the issue of sheet metal sharpness directly. Run the mounted point over the other sides to break those sharp edges.