Every maker needs to bend metal sometimes. Usually those are small pieces, so it would feel somewhat wasting to build very big tool for that.
This is my solution for those needs. Its very simple, someone commented that its too simple, "obvious".
But he just didn't think of that, and that's the reason for this instructable.
Personally i think simpliest solutions are the best.
This version uses only one hinge, naturally result would be more sturdier with two.
But for the unexperienced welder, getting two hinges exactly to the same line, could be little difficult. ( little disortion and hinges would stuck )
This instructable doesn't include measures, because those varies too much between different sized vises.
But the idea is very simple, and easy to make.
All projects can be made better. Improvements can be seen from the last step.
I used my homemade vise. You can find instructable about it here.
Step 1: Bending Thicker Materials..
Bending thicker material requires bigger radius than thin materials. That's obvious.
If you try to bend steel with zero radius, bender turns to cutter.
That's why bender is installed 5mm higher than is the front jaw of the vise.
Rounding the edge of the jaw gives nicer result.
Step 2: Bending Thinner Materials..
Thinner materials can be bend with bigger radius too, but in case that i want smaller radius.
I have simple solution. I place piece of 3mm L-profile to the front jaw.
That gives smaller bending radius. Very simple solution.
Step 3: Materials..
Materials that i used.
80mm long weldable hinge. Costed 3€ at my local hw-store. ( price is for pair)
Piece of axle. Used 16mm, because it fitted to the handle that i made to my manual bar bender.
10mm steel plate. Cut to the same widht with my vise.
Hinges are installed so that the side of the bender wich points inside the vise, is same level.
Hinges are weld around, but the axle where handle connects. is weld on from the ends.
Those are the points where most stress comes when in use.
Welding sides of the axle would unnecessarily bend the sturcture, and possible bend hinge. And it doesn't work after that.
That's it. Simple but usefull tool to every garage or workshop.
Step 4: Improvements.
Version at the beginning of this instructable was the simple version, just one alternative to traditional "Hammering in the vise " - method.
Of course everything can be improved. And first improvement to this, was to make continuous bending radius adjustment. This makes bender more suitable for diffrent thicknesses.
Of course, possibility to lift other jaw 20mm higher, than other helps with other tasks too.
Like when filing thin objects, allows to lift the other jaw and also the workpiece higher to get better view for the line, is
one example.To clamp odd shaped objects.. etc.
Stronger bender, two hinges side by side. Little tricky to get them to the same line, but not difficult.
Step 5: Improvements Continued...
Simple improvement... allows to adjust the position of the point that leans against workpiece.
This gives more symmetrical result.
Step 6: Bonus
I had some spare instructable premium membership codes. Feel free to use.
Participated in the
Epilog Challenge 9