How To Sand Circles Into Sheet Metal

Perforating of sheet metal.

How to sand circles into sheet metal.

Start at one corner and grind brush a complete circle. Choose the thickness of the sheet metal. When you have removed much of the unwanted material switch to 200 grit sandpaper to finish off the sanding process. I had some good scrap leather in the shop and made my own.

Keep repeating this process until the first row is complete. The best way to sand is along the grain of your metal if any is present else you can always do it in circular motions. I started by taking 6 into my dividers. 4 easy steps to configure your ring or sheet metal circle in the size you need.

Choose the shape your sheet metal part should have. Concentrate the hammer strikes along the fold line. I drew two twelve inch circles on. These strips provide sheet metal stock for further pressworking processes.

This will help you to keep the finish uniform. These holes may be round or. Move 1 2 the diameter over and make another. Use pieces of either sandpaper to remove pockets of the material that might have been left in the tight spaces.

You will see a raised line at the ridge of the fold. Anneal the metal again and open the metal flat once again. Sheet metal coil can be cut into many strips at once by several simultaneous slitting operations. Fold the metal perpendicular to the first fold hammer again and open this fold.

Sometimes it is desirable to punch many holes in a piece of sheet metal often in a certain pattern. Hammer down that line with a cross peen hammer or with your ball peen hammer. Move to the next row below and again this should overlap the lower 1 2 of the circle above it. Choose the sheet metal kind.

Choose the surface of the sheet metal. I m using irwin to. It can t get any simpler to order sheet metal online.