Hi! I'v got a 6m * 1.8m sheet of galvanised mild steel, (0.9mm thick) And I need to bend it into a kind of box shape. The maximum length the 'rolling sheer press' I have will only bend a max. of 1m, how can I bend it without making a full-size jig?How do you bend sheet metal without any ';specialist'; tools?
You might try 2 pieces of 1 1/2'; angle iron clamped together (C clamps) on each side of where you want to bend. securing it will require 2 wooden saw horses, by cutting a grove just wide enough to fit the down side of the angle iron into a regular skill saw witt work cutting 2'; deep into the saw horse.How do you bend sheet metal without any ';specialist'; tools?
with a hammer,
Try making up a mini-jig from 2 pieces of timber the same size as the base of the box, use a support beneath one and bend the sheet down around it. You will have to fix the sheet solidly to the timber though. The second piece of timber is on top and presses down on the sheet, helping hold it in place.
I saw a Korean man, bend sheet metal with a hammer and a flat metal bar. He bent and hammered all day long.
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