How To Bend Aluminium Sheet Metal

Then place the clamp bar back down on top of the aluminum crosswise.

How to bend aluminium sheet metal.

Mark your bend lines. 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. Let s consider a challenging job. Make sure the bar is seated firmly inside the frame.

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. It is important to make sure that the sheet is properly pushed onto the wipe die. Insert your aluminum sheet into the brake beneath the removable clamp bar. Monkeys spinning monkeys by kevin macleod.

Here s a good rule of thumb for most materials. Cut the section of metal out or otherwise prepare the metal to be bent by removing any burrs or sharp edges. 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. Then use your bend allowance to draw your second bend line the intervening distance between your bend lines bend radius.

If you re bending 0 020 thick material use a 0 020 radius. To make this easier you d start with your 6061 material in the soft t 0 state. The slack between the wipe die and the punch plays an important role in getting a good result. Die opening with a relieved profile.

Determine the angle at which you want to brake the metal and mark it on the protractor. Say you re bending 0 25 in thick 6061 t6 aluminum to a 100 degree external angle 80 degree internal angle. As a result the wipe die also determines the bend s inner radius. The inside bend radius should be equal to the thickness of the material that you re forming.

You d probably air bend by using a 3 0 in.