Shop Tip, Straightening steel
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- เผยแพร่เมื่อ 27 ก.ค. 2024
- I had a job which when welded went like a banana! Here I show how I straightened it!
Some of the tools and equipment used on this and other videos
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GoPro Hero3+ Camcorder amzn.to/2L1AM3Z
115mm Norton Neon Flap discs amzn.to/2zzx393
SGS 100 litre Air compressor amzn.to/2JeyTf7
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150mm x 25mm 180 grit Fibre buffing polishing wheel amzn.to/2unrO6G
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R-Tech AC/DC TIG Welder amzn.to/2zyIqhC
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Loved the combination of the Jack + strong pipe + chains. Thanks for sharing.
Thank you, his will help! My situation is nearly identical and i'm gonna try this as soon as i get back to the workshop.
Great tip, Gary. Keep them coming. I appreciate them all
Cheers Gary for the tip 👍
Excellent Gary, these types tips are so useful and rare for fixing those things that just happen without intent. I wonder if a little bit of heat at the bend point and/or bit of tapping with a panel hammer may have help to relieve the stress and spring back.
Very clever!
Gary when u weld it only do little welds (1/4 in long) at a time and take your time and jump around the whole piece. That has always worked for me.
Yes, that works great if the welds are to be ground after but these are on show so need to be neat.
Excellent job!
Clever-I would not have thought of that.
Since you asked how in your video lol ....
1.) Just a thought... Get a laser thermometer gauge device and pinpoint it at many different areas and points of those areas being bent and stretched etc!! Have someone golf their last on the area being straightened etc as you Jack it up to straightened it out... You may notice the rapid and vast changes in ambient temperature of those areas as they are stressed by your method and your hydraulic jack or whatever you may use... This info may need useful in understanding how to spare your work piece any unsure stress and heat damage to the delicate tempering! Bc of possibly loss of carbon content etc!
This may be helpful to those who work with very sensitive metals/ materials/ finishings etc! Imagine having to straighten out an unsightly crooked bar in your work safer to already applied an expensive saber very delicate coating or coloring technique etc! ... And you have to try and avoid damage to the surface applications/finishes etc by avoiding too much heat by low heating area quickly and then fast cooling opposite side of that area to cause a slight warpage that if fine right will produce the desire"straightening" out affect on your piece! 👍👍✌️✌️
2.)
May I suggest possibly trying just a lil bit of heat in the right spots etc? Experiment with the process some! 👍 ... Like putting a cool wet Cloth on one side of the heated areas! So only one side heard up and not there opposite... Play around with that concept a bit maybe too reduce the amount of heat needed to manipulate metal more easily/ reduce any heart caused issues you don't want etc...( This technique can help eliminate the metal from fatiguing on the one side that is being bent! So, picture a straight bar "-" being bent down in the middle and up on there 2 ends to form a "U" .... The inside of the"U" is compressed and then bottom outside is stretched apart! When you need only just slight adjustments like u did to straighten out your work piece, then you might not want to unnecessarily fatigue the one side being compressed or there without being stretched out if you can avoid it by sit heading the area being manipulated etc....
Thank you for this information!
Bloody marvelous mate! Ta!
Your welcome!
Used to do that to straighten up diff housings when I lived in western Queensland. Natorious for bending them on the terrible dirt roads out there.
Lol! sounds like a good use for the method!
Excellent video, very helpful, and brilliant thinking!👍👍
Glad it was helpful!
Thanks for sharing the good work sir.
My pleasure
Absolutely Genius
hi gary nice job
Hi Gary, if you were to preheat the area that you are going weld, would it stop the frame from distorting.
Would it have helped to fill those gaps with a bit of offcut? If you tacked it together as a square and then welded it? or perhaps it might have sprung when the offcut was cut out
Brilliant! 😊👍👍👍 Bob's your uncle.. Lol.
Gary your open page on your channel is sweet. I like the flames.
It’s new, I hope you can see it all, it was designed on a full screen desktop so doesn’t show its entirety on tablets and mobiles but I think you get the idea! I’ve now got “Bob’s your uncle “ tee’s and mugs in the merchandise section!
Yes I just saw them. I just called my wife to get some for my birthday on June 21. Your channel looks great.
U pulled up on that side and made that side look flat but looking at it from here it looks like it kind of warped the opposite side up off the bench a bit even after it flexed back and relaxed so isn't that still messed up or that side of things not matter so much?
me 2 I had to pull the other side out as well so it was a bit longer to do than expected.
Gary Huston well look good..
You sound exactly like the guy from Atomic Shrimp channel.
You think all us Brits sound the same!🤣🤣
Heat the back of the material opposite to the welds to incandescent next time. Should pull back perfectly, if any fine tuning is required just direct the torch to the appropriate spot.
Tried that, it did jack! All it did was make a patch of scale to clean off!
I don't know what you know about heat straightening but the trick is to heat to around 500C, heat up fast (oxy cutting or small rosebud) and cool slowly, you want the point the steel just begins to glow. For what you have there I would heat around a 10mm strip directly opposite the weld and bring the heat half to two thirds the way down the sides of the material.
The straightening happens on the cooling, not the heating, cool to room temperature in air. If it gets to the right point before it's finished cooling you just quench it. If the first heat wasn't enough you can go right over the same spot again.
It's really quite incredible how well the technique can work and the kind of damage it can undo.
@@dtnicholls1thanks for the tips.
At 3:25, I noticed your initials on your right forearm. Did you brand yourself? That's taking your "branding" to a pretty high level! Wow!
Yes, as I said in a previous comment, I made a branding iron to brand my tools so did the biggest tool of all!
I must say, that is commitment to the craft! Fabulous!
Good idea ....flame straighting would be better though much faster .
Only if you have gas equipment!
@@garyhuston Good excuse to get some! :)
@@curtdunlap6818 I’ve got it but not every body has or can afford it.
For straightening I usualy run a weld on the opposing side of my weld and grind it down. In this case I would run a weld on the upper side (the place where the jack is in the video) This would bend the corners up.
I did think about that but didn’t know if one weld would pull back as much as the four welds below.
@@garyhuston No it won't , Much easier to pull a 90 degree join than it does a 180 degree bend . Normally heat the back side / controlled shrinking or prebend before your weld . ..all welds shrink .
May I ask... Would it also work if you just heat the opposite side with a hot gas torch?
@@gerritdutoit4833 as jasonmoss4308 said it works if you heat the opposite side prior to welding, otherwise you have to add some extra material that will contract when cooling down and pull back
@@cortana2007 Sorry, I missed that message! Must it be heated before welding? Will it also cure the warp AFTER it occured and already warped?
At Acura, safety is personal.
sorry, I have no idea what that means!
add some heat for stress relief may help
Wondering what the fabrication will be used for...Ummm!
Tables
All that jerryrigging when all it would have taken was a few swipes with a torch.
Absolutely, but not everyone has a gas axe, that is the point which seems to have eluded you!🤣
@@garyhuston I'm not talking about cutting, I am talking about flame straightening. Essentially using the same process than bent your steel in the first place (heat distortion) to being it back to straight and square. I learned the process about ten years ago and now it is a very important technique to improve the quality of my work.
@@chrisose I wasn’t talking about cutting either! I know exactly what straightening with a torch is about, I use my oxy propane burner to do it but as I said not everyone has that available.
@@garyhuston If you can't afford a couple hundred for a torch they you likely can't afford to be building things out of steel.
gary maybe this could`ve come in help. i made mine (looks like sh*t but works) :D video "PROFIL UND ROHRRICHTPRESSE GRP 160" (sorry man don`t know what happens it won`t let me paste the link). regards . pete
I don't think so, if you watch it carefully you will see it leave a mark where it's been, no good for this job!
oh didn`t mean to bash your method of straightening, yes i just used the idea of the cam lever (the metalcraft units use them too) as i told i made my version of this tool but with a wider and longer foot so to speak as i was concerned about leaving marks or indentations. i make quite a lot of furniture using thin wall square tubing 1,2 ; 1,6 and 2 mm, which as you experienced bow at the mere show of the torch (i tig weld them mostly). pre-bending works too but that makes for funny jigs and i don`t like that. what you did is great and works like a charm no doubt about that. regards. peter