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Any tips on straightening steel plate
http://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=7&t=73948
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Author:  banded-mallard [ Mon Jul 01, 2019 11:41 am ]
Post subject:  Any tips on straightening steel plate

Need some ideas on how to straighten some plate.

I'm building a big smoker using 30" pipe 3/8" wall 4' long. I had a buddy of water jet out some 1/4" plate for the end caps. Welded the endcaps to the pipe, skipping around so it doesn't warp. Well, it did. I didn't notice it until I cut out the door with the plasma cutter. When the top is closed, the sides line up damn near perfect, but there concave.

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I though of taking some 1/4" angle and using it as a strong back to straighten back out. It could double as part of the ends for the cooking grate support. tack one side, then pull the angle to the plate and c clamp. I've flexed it out with a bottle jack and it will flex back out, just springs back in place.

I have heard of metal distortion fixing, but don't have any torch or rosebud. Someone mentioned weld some 2" beads on the inside, let get cold to touch, repeat process until the metal shrinks enough, thus straightening it out. Never done this, so have no idea. I have my counter balance on and I will trim out the door with flat bar to make it waterproof, but don't want to half ass it, I want to fix it right.

You guys have any ideas?

Author:  Wchauvin [ Mon Jul 01, 2019 11:54 am ]
Post subject:  Re: Any tips on straightening steel plate

Muffler shops have those pipe machines that crimp and straighten pipe. Might be able to go that route if you know someone who has a shop

Author:  banded-mallard [ Mon Jul 01, 2019 12:07 pm ]
Post subject:  Re: Any tips on straightening steel plate


Author:  Will [ Mon Jul 01, 2019 2:01 pm ]
Post subject:  Re: Any tips on straightening steel plate

I think your on the right track. Will be easy to square up the bottom with grate racks but not sure about the lid since you can't bridge the gap. Get heavy enough angle and it'll straighten it out like you have drawn.

Author:  AWall3322 [ Mon Jul 01, 2019 3:38 pm ]
Post subject:  Any tips on straightening steel plate

Doing that method with the C clamp sounds ok but in my opinion you’d be better off to position a piece of angle on either side, use a bottle jack to push in the center until the angle lays flush and weld in place. Seems like the C clamp might risk distorting something somewhere else


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Author:  jc [ Mon Jul 01, 2019 6:30 pm ]
Post subject:  Re: Any tips on straightening steel plate

Here is some good information on how to straighten steel. There are some good videos to watch that may help you. I know you said you didn't have a torch but maybe you can borrow one or the videos may give you an idea about where to weld.

Author:  Wchauvin [ Mon Jul 01, 2019 9:02 pm ]
Post subject:  Re: Any tips on straightening steel plate

Unless you find a shop that makes tips for diesel trucks :lol:

Author:  banded-mallard [ Tue Jul 02, 2019 3:19 am ]
Post subject:  Re: Any tips on straightening steel plate


Author:  hvfc6040 [ Tue Jul 02, 2019 9:45 am ]
Post subject:  Re: Any tips on straightening steel plate

go buy you a torch, man. You sound just like me...you know theres an easier way, youve spent time researching the easier way, but at the end of the day you wont do the easier way and when you do, kick yourself in the butt for not doing it sooner. LOL. Cant tell you how many times ive been through this...just to finally end up doing it the easy/right way.

Just my opinion but a torch is a must for a shop like yours. I think its money well spent, and you will definitely get some more use out of it in the future.

Author:  Russ [ Tue Jul 02, 2019 10:15 am ]
Post subject:  Re: Any tips on straightening steel plate

Or, use the bottle jack, wedge some drill stem or something to hold it out when you remove the jack, then get a good hot fire going in there to destress the warp. Its bound to work.

Or not.

Or you could just buy a torch lol

#CFFITR
#GhostBoat
#Whoneedsphysicsihaveamudmotor

Author:  Will [ Tue Jul 02, 2019 10:30 am ]
Post subject:  Re: Any tips on straightening steel plate

It's fucked, you gotta start all over.

Author:  banded-mallard [ Tue Jul 02, 2019 11:02 am ]
Post subject:  Re: Any tips on straightening steel plate


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