Welding 90 Degree Jig. Making an Angle Jig for 90 Degree Joint Welding. One of the disadvantages of a basic jig like this one is that it lacks a quick adjust mechanism for rapidly clamping the material such as those found on the Strong Hands jig listed later.
I cut 2 pieces of rectangular steel just as an example. Ad High Performance Wide Range Quality Structural Adhesives for Plastic Bonding. Cut two pieces of angle steel and one piece of flat bar according to the drawing Cut Sheet below.
This Northern Industrial 90 degree angle clamp is made of cast steel with slotted base mounting holes and copper plated screws to help withstand weld spatter.
This is a 1 x 1 piece of angle iron but depending on your welding project ideas you may want to use a bigger one. Ad High Performance Wide Range Quality Structural Adhesives for Plastic Bonding. Making an Angle Jig for 90 Degree Joint Welding - YouTube. Tack weld the pieces in place.