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Ways of joining square aluminium profile Answered

I am designing a 3d printer using standard square aluminium profile (mind you not t slot or v slot, plain square section). What are the ways in which aluminium can be joined such that the joint is rigid and have decent strength? I don't want my printer to become wobbly after some time.

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Downunder35m
Downunder35m

16 days ago

I prefer this method for the cutting of the corners:

To join the seems I use place a strip inside and rivet it or use an aluminium brazing rod.
Rivet the strips into one side first, then close the corner, drill the other side and rivet in.
There is alternatives if you prefer manual screw joints though:


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Yonatan24
Yonatan24

17 days ago

Braze / weld it with a torch?