Bending Sheet Metal Into Box

You ll want metal that s thick enough to make for a sturdy box but thin enough to bend.

Bending sheet metal into box.

Box bending can be rather tricky with sheet metal because of the geometry of a press brake. When bending a 2 sided box with only a bottom front and back it is possible to remove a section of the holder and let the punch for a bridge. This measurement will be necessary for calculating your bend allowance. Check the flat pattern.

A flat version of your box. Measure your cuts and bends. There are many upsides to that. One thing to keep in mind is switching your cad view to flat pattern from time to time.

I have a graph paper drawing in the pics below but its not for this box 2 trace your template on to your piece of sheet metal as pictured i suggest 20 22 gauge steel 3 cut your piece into the same shape as template. Otherwise the last bend can crash into the existing ones breaking the whole structure. Use the corner notcher to cut out any right angles. You can use a tape measure or ruler to measure the thickness of your sheet metal.

Typically the upper beam or punch holder will get in the way of very deep boxes. Making a metal box 1. If your sheet metal is too thick you may need special machinery like a brake or a torch to bend your sheet into the desired shape. 1 first you want to make an expanded template for your box out of cardboard paper etc.

Clamp the sheet metal to the. Cut the squares out. Bending is a manufacturing process that produces a v shape u shape or channel shape along a straight axis in ductile materials most commonly sheet metal. Layout line on your sheet metal to designate where you will be cutting and bending.

When bending with large returns there are a few tricks outside of just tooling selection. Monkeys spinning monkeys by kevin macleod. How to bend sheet metal without a brake. When bending a box small gaps should be left between the flanges.