I have a couple of 15mm aluminium plates 160 x 230 with two 100x100x20 tenons welded in the center of the plate some 70 mm apart. The tenons have both a 26mm hole for a 25mm stainless steel pin that goes through them. They are anchoring points for a pontoon ramp.
I have to bolt them in a different point on the side of the pontoon. When I unbolted them I noticed they both have a significant bent most likely the result of the welding. With a straight edge on it there is a 10 mm deflection in the center.
If it was steel I would chuck them on the forge and bash them back in shape. What do I do with aluminium? I need them straight but don't want to compromise their integrity since they hold a good amount of weight. So much so that I thought in welding a third tenon since the pin is way longer and can accommodate a third.
So how do I make this straight again and keep it straight when welding the third tenon?
I have to bolt them in a different point on the side of the pontoon. When I unbolted them I noticed they both have a significant bent most likely the result of the welding. With a straight edge on it there is a 10 mm deflection in the center.
If it was steel I would chuck them on the forge and bash them back in shape. What do I do with aluminium? I need them straight but don't want to compromise their integrity since they hold a good amount of weight. So much so that I thought in welding a third tenon since the pin is way longer and can accommodate a third.
So how do I make this straight again and keep it straight when welding the third tenon?
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