How To Bend Sheet Metal Around A Barrel

Simple sheet metal bender using a hand roller clamps and plywood.

How to bend sheet metal around a barrel. In principle does not seem that this operation is complicated and difficult. I thought about it but couldn t come up with a solution with a lofted bend. The picture below isn t much better but gives a better perspective to what i m trying to recreate. 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.

As a result the wipe die also determines the bend s inner radius. To use this jig start at one end of your tube and choose which part of the jig might give you the nearest approximation and clamp everything down. The inside bend radius should be equal to the thickness of the material that you re forming. The top of the wing is to be bent around and perfectly welded onto the tear drop shaped arc of the tube.

Here s a good rule of thumb for most materials. Sorry about that bad image it was hard to find a decent example. If you re bending 0 020 thick material use a 0 020 radius. Monkeys spinning monkeys by kevin macleod.

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. Bend metal without expensive tools step 3. Bend the first bit move the clamps and bend the next bit. The slack between the wipe die and the punch plays an important role in getting a good result.

It is important to make sure that the sheet is properly pushed onto the wipe die. Bending metal clip from robert van de walle on vimeo.