Homemade Sheet Metal Finger Brake

I love working with metal but i ve always struggled to get perfect 90 bends.

Homemade sheet metal finger brake.

Brake using the book called designing and building the sheet metal brake by david j gingery book cost 8 00 and worth ever cent i used scrap materal i had makes nice clean bends on 16 ga. I m sure some bright person out there will probably come up with a more elegant way to do this. Homemade sheet metal finger brake constructed from scrap materials. Fabricated from steel and hardware.

I will be used to make. The finger is back from the pivot line by the thickness of that stainless steel plate that you see all the way to the left. Time to try out the finger brake. Generally i ll stick the piece to be bent in the vise and smack it around until it s bent.

It will be powered by two 20 ton air operated bottle jacks. This is a homemade finger press brake. Two steel blocks were drilled and reamed to receive the pins. Simple sheet metal brake.

Adjust and do a tack weld at side of pivot and the top corner of angle iron point 1. The most important thing on a sheet metal brake is. Lay the 7 x42 piece on top of the 14 piece with the front edges. The axis of rotation center of bender to be inline to bending line.

I built my 32in. Finger brakes are positioned accurately using clamps and shims for perfect bends. I have clamped a square to the fixed table. 1 4 inch 0 6 cm steel plate with bracing will enable.

Twist a steel wire ø1 2mm around the pivot and place it at the gap on edge of bender. It has a bend length of 62 inches. Its also a fun project and you know the out come is going to work no guessing involved. Hinge was fabricated by welding the pivot pins to the movable section of the table.

To its left is my wide finger which is holding down a strip of sheet metal. Next insert your sheet metal lining up the bend line with the edge of the top plate. Blocks were welded to the fixed part of the table. Select materials that will be strong enough for your needs.

Since it almost always bends crooked i end up rebending and generally just. I lifted the movable table and now have my first 90 bend.