Building A Sheet Metal Bending Brake

An angle is attached to the 2x4 and another angle is bolted on top of that to hold down the metal i ll bend.

Building a sheet metal bending brake.

It creates a t shape with the base angle. A third angle has handles and is hinged to the 2x4. Adjust and do a tack weld at side of pivot and the top corner of angle iron point 1. The axis of rotation center of bender to be inline to bending line.

Kaka industrial mb 36 36 inch sheet metal bending brake solid construction with steel frame stand high precision 20 gauge mild steel capacity 4 1 out of 5 stars 6 389 00. Use heavier metal stock for a stronger brake for bending heavier sheet metal or longer widths. The 1 5 angle was cut in half to make two 2 pieces. The 2x4 is the base that will be clamped to a workbench when the brake is in use.

The 2 plate was cut to 2 in length. Twist a steel wire ø1 2mm around the pivot and place it at the gap on edge of bender. Weld the stud bolts on the bottom of the brake to make tightening and loosening them a one wrench job. To open the brake first loosen the bolts then insert a large screwdriver between the top and bottom plate at either end.

Next insert your sheet metal lining up the bend line with the edge of the top plate. This will be used to make the bending plate as well as the hold down clamp. Mount this machine on pipe stands anchor to the floor or in the ground for long term use. The most important thing on a sheet metal brake is.

This will be used to form the smooth surface beneath the hold down clamp. I m sure some bright person out there will probably come up with a more elegant way to do this.