Cut the section of metal out or otherwise prepare the metal to be bent by removing any burrs or sharp edges.
How to bend aluminium sheet metal.
Here s a good rule of thumb for most materials.
Simple sheet metal bender using a hand roller clamps and plywood.
Mark your bend lines.
Then use your bend allowance to draw your second bend line the intervening distance between your bend lines bend radius.
Die opening with a relieved profile.
Lift the clamp bar away from the rear of the brake frame and slide the sheet in perpendicularly to the direction you want to bend it.
It is important to make sure that the sheet is properly pushed onto the wipe die.
You d probably air bend by using a 3 0 in.
Determine the angle at which you want to brake the metal and mark it on the protractor.
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.
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Make sure the bar is seated firmly inside the frame.
Then place the clamp bar back down on top of the aluminum crosswise.
To make this easier you d start with your 6061 material in the soft t 0 state.
Insert your aluminum sheet into the brake beneath the removable clamp bar.
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.
If you re bending 0 020 thick material use a 0 020 radius.
Wipe bending or edge bending is another way to bend sheet metal edges.
The slack between the wipe die and the punch plays an important role in getting a good result.
You will use the protractor to gauge the brake as you bend the metal little by little.
The inside bend radius should be equal to the thickness of the material that you re forming.