How To Bend 18 Gauge Sheet Metal

22 gauge 0 030 0 76 mm 0 5 12 7mm.
How to bend 18 gauge sheet metal. You will need to know your material thickness mt the bend angle b the inside radius ir and the k factor k. How to bend sheet metal without a brake. Clamp the wood on top of the metal to the workbench. Category thickness minimum bend bend radius.
The bend allowance formula takes into account the geometries of bending and the properties of your metal to determine the bend allowance. Bending a brittle metal beyond its limits could cause the metal to snap and break. Clamp or hold a straightedge or square along the cutting marks and score a line with the tip of a sharp utility knife blade. The material thickness will be measured in decimal form not by the gauge number.
Determine the angle at which you want to brake the metal and mark it on the protractor. As an example if you want to bend 24 gauge sheet metal at a 90 angle the calculation would be. Using the edge of your workbench a length of wood two clamps and a mallet you can fashion a rudimentary bending brake. Snip the two sides.
22 gauge 0 030 0 76 mm. Next place the wood parallel and slightly behind the bending line. Mark a bend line and place the sheet metal on the edge of your bench. Keep in mind that some metals are more brittle than others.
Also referred to as aviator snips these scissor like hand tools cut sheet metal materials up to 18 gauge in thickness accurately without leaving a ragged bent edge as the finished product. Cut the section of metal out or otherwise prepare the metal to be bent by removing any burrs or sharp edges. You will use the protractor to gauge the brake as you bend the metal little by little. You can use the same trick to cut metal studs.
Then bend the sheet back and forth a few times to snap it. Monkeys spinning monkeys by kevin macleod.