Determine the angle at which you want to brake the metal and mark it on the protractor.
How to bend aluminum sheet without a brake.
A purpose made brake isn t necessary if you are going to be bending only a few pieces of coiled siding.
I have never tried this method but if you don t have a metal brake this may work fine.
Use scrap lumber to make a brake that is effective when only a few bends will be necessary.
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.
You will use the.
How to bend sheet metal without a brake step 1.
Slide the angle iron into the jaws of the vise so that it lays flat the length of the piece of metal you are.
Then place the clamp bar back down on top of the aluminum crosswise.
A siding brake bends aluminum or bendable vinyl siding to the angles you want using leverage from a hinged joint.
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.
Move slowly along the fold doing 10 20 degree bends at a time.
Also after each bending pass work along with rubber mallet to sharpen the bend by bashing either side of the bend on the table edge.
Then use your bend allowance to draw your second bend line the intervening distance between your bend lines bend radius.
Mark your bend lines.