How To Bend Aluminum Sheet Into A Circle

Step 3 cut a large triangle about one quarter the size of the circle out of the aluminum foil by making two cuts that run from either side of the circle to the exact middle point of the circle. 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. Then use your bend allowance to draw your second bend line the intervening distance between your bend lines bend radius.

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Take a piece of metal pipe on a hard surface and roll it over the sheet metal strip as you work it circular by pulling up on it.

How to bend aluminum sheet into a circle.

Then place the clamp bar back down on top of the aluminum crosswise. To do this the extruded section is wrapped around a die. After you bend both sides the length of the roller holder will be inch longer than the longer rubber part of the two bottom rollers. Be careful not to bend or damage the aluminum foil in the process.

Mark the bend point at 2 and inches with a chisel and bend both sides of the holder down using a piece of 2x4 to help keep the bend even. Insert your aluminum sheet into the brake beneath the removable clamp bar. The five most common methods of bending extrusion are. Mark your bend lines.

Use scissors to cut the foil into a large circle shape. Some over bending is usually needed because the extrusion will exhibit a degree of spring back. 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. Methods of bending aluminum extrusion unlike bending metal sheet on a press brake when bending extrusion the goal is to create curvature.

Make sure the bar is seated firmly inside the frame.

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