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18th Jul 2020, 09:27 PM #1Intermediate Member
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- Sep 2019
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Best Way To Weld Table Frame (Square)
Hi all just wondering what’s the best way to weld a table frame and keeping it all square.Looked a lot on youtube but can’t find a solid solution.
Thanks in advance
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19th Jul 2020, 12:53 AM #2China
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- Dec 2005
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- South Australia
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Welding magnets, corner clamps, clamping to a table, tack everything in place the do the full welds.
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19th Jul 2020, 01:17 AM #3Golden Member
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- Jan 2016
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Measure opposing corners after tack welding and make sure they're equal, if they aren't equal they aren't square
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19th Jul 2020, 01:01 PM #4Diamond Member
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- Aug 2006
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- Melbourne
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Then there is welding sequence as well, weld corners first etc. Spread heat around. Keep gaps to a minimum.
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19th Jul 2020, 01:52 PM #5
Also worth mentioning that you can be square in the XY plane (ie both corner to corner measurements are equal), but warped in the Z.
An easy trick is to run two string lines across opposing corners, and check that string touches where they meet in the middle- if they do it's flat. Working on a flat surface really helps, but not everyone has that luxury.
Do this measurement after tacking, and keep heat control under check while doing the final weld out.
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19th Jul 2020, 03:20 PM #6Golden Member
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- Apr 2019
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- Adelaide
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Have a look at the YouTube videos from Fireball Tool. Jason is pretty talented;
How To Stop Parts Warping - https://www.youtube.com/watch?v=lL98oE2NaQg
Fireball Tool Squares - https://www.youtube.com/watch?v=d-DwdsegIks
I bought a couple of his squares and they look spot on.
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19th Jul 2020, 06:53 PM #7Most Valued Member
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- May 2011
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- Murray Bridge S Aust.
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We use turnbuckles to help hold things square, also putting diagonal braces helps hold things where they should be.
As others have mentioned, stagger the welding sequence, and don't put too much heat in the one corner.To grow old is mandatory, growing up is optional.
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21st Jul 2020, 11:08 AM #8Intermediate Member
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- Sep 2019
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- Melbourne
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22nd Jul 2020, 11:16 AM #9Most Valued Member
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- Jul 2006
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- Athelstone, SA 5076
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7th Aug 2020, 11:38 PM #10Novice
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- Apr 2008
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- Southern Riverina
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- 24
If you haven't got a flat surface to start with, you can fake one with a couple of straight bits of steel (or even timber). Use a spirit level and shims etc to get them level first, then work off them.
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