wanting to make a tank (need clamps)

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What is the best way to make a tank square out of non-magnetic material?I am looking for clamp ideas. How can I clamp a tank square so I can weld it and not distort.THANKS A lot in advanced
Reply:I am not sure what you want to do however usually Stainless tanks that are square are often formed up with a press brake.  Corners can be much easier to fit and weld by creating flanged edges.  For light gauge one piece meeting the corner would be formed with a half inch flange.  The mating side can simply set up to lap on the flange.  If you use corner to corner fitting of sheets it can be considerably more difficult.  Also a flanged edge puts more material at the corner and the bent section will limit distortion from welding heat.  Baffles inside the tank also will hold things square.
Reply:Very small tanks aside i typically avoid going with sharp corners, using radiused bends and either flanged joints or radiused edges and butt welds instead of open outside corners. As well as being more resistant to distortion fatigue properties are betterCouple of examples in this post... http://weldingweb.com/showpost.php?p=345049&postcount=10 The last pic in that post... easy enough to clamp a length of angle to hold the longitudonal seam in alignment for tacking, tank can be squared by measuring diagonals. The flanged end pieces stiffen up the tank and make the welding easier and fasterThere's a recent thread (bending 3/32 stainless without a brake IIRC) that has some examples of clamping using angle to hold things square too posted by Yorkiepap i think
Reply:Bessey and strong-hand tools both make some good squaring clamps/jigs.  Avoid the cheap stuff at home depot/lowes.Depending on the strength of your magnet & the thickness of your material, you may be able to use a piece of flat stock on the outside of the tank to hold it into place.
Reply:Magnets are for posting things to the Ice Box and making engins not for clamping.
Reply:Originally Posted by Fat BastardMagnets are for posting things to the Ice Box and making engins not for clamping.