How To Roll Sheet Metal Into A Tube

Forming radius bends in sheet steel would normally be done with slip rolls but acceptable work for a lot of jobs can be done using a piece of pipe.

How to roll sheet metal into a tube.

Outside diameter thickness x 3 1416 length of plate required inside diameter thickness x 3. When sheet metal is inserted between two such rolls the urethane wraps the sheet metal tightly against the steel roll. This is 2 x 2 with a 25 wall thickness stainless square tube rolled into complete metal tube rings with an inside radius of 6 inches. Essentially you should calculate the centerline arc.

Tip add a bead of silicone sealant along the overlapping edge if you require the cone to be water tight. To develop the blank flat length for a cylinder rolled from sheet or plate is quite simple. If you want to roll sheet into tube and don t have a slip roller or don t want to buy one then you could always make a sheet metal roller first. A segment of this top roll is pushed into the urethane bottom roll and this deflecting volume of urethane functions the same as hydraulic fluid in a hydroforming process exerting very high pressures against the steel roll.

Rocdoc 4 331 547 5. Roll the template into a cone shape overlapping the sheet metal by 1 2 inch then drill a few holes along the seam and seal it closed by placing rivets in the drilled holes. Learn autodesk inventor sheet metal tutorial how to create cylinder object by using contour roll command check it out.