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approx a meter of leverage?
30 mm wide. 30 mm bend radiusThis machine says it can hand bend 32mm by 8mm flat mild steel. The load required rises as the cube of the thickness, and as the first power of the width, so cutting the width to 30mm only allows the thickness to go up by about 0.2mm
If you just use a vice and a bit of round bar as a former, you'll get a variable radius bend, you need the roller to form a neat constant radius bend. If you're using anything stronger than mild steel, your capacity will be reduced.
gbj_tester
drøn
On a similar note what is the biggest dimension steel bar I can expect to bend by hand, using a vise and approx a meter of leverage?
30 mm wide. 30 mm bend radius if that matters.