You will use the protractor to gauge the brake as you bend the metal little by little.
How to bend from sheet metal.
To clamp efficiently lay your sheet metal on the top surface of your straightedge with the drawn line perfectly aligned with the outside edge of the sheet metal.
Your simple sheetmetal bend is ready.
Cut the section of metal out or otherwise prepare the metal to be bent by removing any burrs or sharp edges.
Mark your bend lines.
Here s a good rule of thumb for most materials.
If you cannot find the sheetmetal tool in you main tool menu you can right click on main menu tab and check sheetmetal option.
In other words if you re bending 1 8 sheet use a tool with a 1 8 radius to form the inside of the bend.
The inside bend radius should be equal to the thickness of the material that you re forming.
Then use your bend allowance to draw your second bend line the intervening distance between your bend lines bend radius.
Using the edge of your workbench a length of wood two clamps and a mallet you can fashion a rudimentary bending brake.
Clamp the wood on top of the metal to the workbench.
For dimension and more informat.
Determine the angle at which you want to brake the metal and mark it on the protractor.
Next place the wood parallel and slightly behind the bending line.
To view this part in flatten form click sheetmetal flatten.
Otherwise the sheet metal is almost certain to shift as you bend it resulting in a bad bend.
Hello friends today i make a sheet metal bending tool.
If you re bending 0 020 thick material use a 0 020 radius.
Set bend radius to 0 03in and k factor 0 5 and ok.
Now that you know your bend allowance take your protractor and draw a clear line with your marker across the point at which you will bend your sheet metal.
Look at part tree.
Clamping your sheet metal to the straightedge is a must.
You know the basic try model.