Why you get heat distortion when welding thin plate. The Heat shrinking Effect Tips and Tricks #50
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- Опубликовано: 29 сен 2024
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This was worth waiting for. In half an hour I learned more about heat shrinking than I have learned in my entire life. You are a superb teacher Trev.
Same here, excellent explanation!
Trev’s back, we missed you mate. 👍
Trank you so much Trev, that was enlightening. After tinkering around with cars for over thirty years (about 15 year as a profession) I finale understood this damn shrinking issue! Whoopieee!!!
Superb skill, knowledge, and understanding of metal working.
Good to see you back.
Great to see you are back.
I would be so much cooler if I was British - but anyway.....dedication to true craftsmanship is a diminishing attribute among humans - we must support those who resist that sad trend. Great video Trev, nice to meet you.
Spectacular! Finally someone explains the mechanism as to how panels shrink. I have a favor, can you talk a bit about the differences between the hammer vs. the flat spoon slapper? When do you use one over the other?
I’ll have a chat about this in the next video 👍
This was brilliant, for the first time in twenty years of bodging around with welding in my garage, I finally understand what’s going on😁
I know what you mean about eye's and not being able to see I have keratoconus and do most of my welding from memory and sound love your videos always learning something.
Hi Trev. Many many thanks for this and your other videos. It is totally making sense and will help me to restore my 1957 Triumph TR3. Kind regards from Holland.
Welcome back Trev. Need more videos whilst we’re locked down. I’m getting withdrawal symptoms. Keep em coming.
He's Back! This needs a good coffee to celebrate - It can only be good.
Congratulations on a very well thought out and clear demonstration, Good luck with the business!
Very, very glad to see you, Thevor!
Brilliant Trev, I've missed your videos but it's wonderful to hear that you and Birdie are doing well in the catering business. Starting any new venture takes a lot of effort, time and hard work and I'm pleased to hear that it's going well. From a personal and selfish point of view, I really enjoy your videos but from the point view of the quality of yours and Birdies life, you both deserve every success and happiness and sometimes there's just not enough hours in the day to do everything that you want.
It's about time you turned up Trev, as usual, a great video, now I get it I couldn't work out if it was stretched or it was shrunk thanks and hope to see more of you.
Waheeeeeyyy! Great to see you back mate, and awesome to hear that the lack of videos is because Van business is good!
Hi Trev. Great to see a new video from you. It was a fantastic explanation!!
What a fantastic video, the demonstrations worked really well to help me understand what metal does, and why. Plus your work is incredible!
Hey Trevor,
I'm enjoying your blogs a lot. I was inspired by your metal shaping in earlier blogs and have surprised myself in being able to shape some intricate pieces. I bough a 4' section i-beam and use a a dolly for a lot of wide pieces and also for corners. It helps a lot.
This past weekend I was replacing rusty metal under and above a battery tray that suffered a frost busted busted battery and I noticed the metal would not weld well, even though I cut back to good metal and cleaned off with grinder. It could be the welder as I was on a n extension cord but I did another section earlier in the day w/o problems with same setup.Have you seen metal exposed to excessive battery acid being difficult to weld?
Best
Michael
It could very likely be the acid, I’ve had varying issues with this kind of thing. Cheers Trev 👍
Hello again Trev! On the subject of TIG, what's your advice on finding argon at a reasonable price? The disposable cans are expensive and last barely more than a few seconds. Air Products are reasonably priced if you are a heavy user but works out expensive for the hobbyist. In between those options there seems to be a wild west of fly-by-night dodgy gas suppliers.
Definitely buy a bottle then have it refilled as you go along. Have a chat to Graham that works at Noz.alls 01242 681 052 tell him Trev from Trev’s blog recommended them. Real nice chap and he’ll advise you on what maybe the best way to go. They use good suppliers and deliver good sincere service. Cheers Trev 👍
I find with mig I get as much distortion with grinding the welds as I do with the actual welding
I’ll have a chat about this in the next video 👍
Welcome back Trev! You’ve been missed buddy!
First! Glad to see you back online Trev! This has been long awaited! Great information.. 👍 I am really glad you broke this all down. I can now refer all my non welder friends to this video to better explain heat distortion and how it affects body panels. Amazing video Trev!!
Great to have you back Trev. I finally have an understanding of how heat distortion works and I'm as thick as. Your demonstration and explanation was lifetime educator grade. Thanks!
Yeeeeee Trev your back.
Welcome Back TREV!! We've missed you!! Heat shrinking with a Tig Torch?! BRILLIANT!! Much love, Trev. Great seeing you again.😎👊❤
😘
Getting the kid's to bed early, then we can sit and watch. Mrs will be made up 🙄😆
This kind of presentation is what happens in a college classroom. Thanks, Trev! God bless and best wishes for your coffee van venture.
Was wonder where you were too. Lol. Very well thought out explanation. Well done
Cheers Fitzee 👍
i put my filler rods in the freezer before welding...........................
you could also use the hammer off technique after welding up a panel,
give the hammer to the apprentice to fix it and bugger off down the pub.
Great vid Trev
Good to see you again Trev
Great to see back. One the best metal shaping RUclips channels.👌
Atoms gotta move man , its molecular !!!!
This is top content again 😎❤️❤️❤️ Looking good
Hands down the absolute best explanation I’ve heard on this subject! It finally makes sense! Thank you so much for breaking it down so simply and for explaining it so well. You are a helluva teacher, Trev. Keep up the great work, and best of luck on your new business!
Good to see you back. Miss Bird's treats would be hard to escape from.
Welcome back. Revisited some of your old videos the other day before working on some of my junk 🙌
Good to see you back. I did see a part animated by one of the American welder manufacturers from around the war about heat distortion which made the same points. Quite interesting to see you demonstrate that.
Thank's Trev from Kelowna B.C Canada!
This is the best explanation of what is going on with welding sheet metal. Thank you for helping me understand what is happening.
An unstoppable force will have equal and opposite force, like the jig you put it in, caused it to distort in all three dimensions, thanks to areas of least resistance.
You added the forth dimension with time… how long it was hot and malleable for.
🇦🇺🤜🏼🤛🏼😎🍀
seventy thousand subers can net big monetizing money and he puts out one vid every 3 months must be a wealthy man who doesn't need any more money....
MY late father was taught by English pro restorers. Did amazing work on cars. Never once used a MIG welder on a vehicle. All gas. He could cut a door panel through the middle horizontally with hand sheers and weld a new piece in with gas welder and NO rod.
Great, no comments on topic, just back patters. Wish you still had 10k sub's where only enthusiasts watched you
Awesome thanks Trev good to see you , maybe one day do this on a project , but for now just doing a cheap rattle can paint job on my 1996 Rav4 but we going into winter here in New Zealand, so just doing small dings with bondo then mask off and paint, it's my daily driver and will get damaged more anyway, and using flat paint army green think will go over with satin clear , but just got alot on at the moment plus doing it outside so need good weather for two days?? If that going to happen lol 🤔🤔 Usly it's when I'm not ready it will be nice then turn Louise for weeks or half nice day's it's what I got to work around 😀👍🏾
Nice demonstration of what is actually happening. I welded a roof in a 33 Ford 2 door sedan. I fitted a roof panel of a 55 Chevy station wagon to fill the roof. I scribed the panel from underneath and then cut it 1/16" oversized. I tacked and hammered all the way around to keep the right tightness and up and down of the panel. I then Tig welded the back in one pass so that my heat affected zone was even. The high crown held it very stable. I welded the front the same way but being low crown the heat caused the panel to buckle about 2/3 of the way across. After it cooled I was able to just push it back up and tap the weld a bit to hold the shape. I welded both sides the same way without stopping except to grab another rod but never let it cool. A little grinding and planishing brought it to the point of very little filler. By allowing for the shrinkage by adding to the panel and just letting it shrink I reduced the amount of work to get it back into shape at the end.
Just found this channel. Excellent video. Thank you.
Really informative ,,,thanks a lot for this...more tools in my mental tool box!!! cheers!!!
Trev this video and the way you explained it just blew my mind 👀
A very very good video. Thank you. You do explain things very well.
Trev that was a terrific explanation
I was watching a Gene Winfield video where he would spot weld then Hammer and Dolly the hot weld and it made no sense to me but now it does thanks to your explanation.
Second time watching this. A very good explanation.
Nicely done video my friend, thoroughly enjoyed the explanation and application
Best explanation and demonstration of heat distortion I have seen!
I seen this experiment in a later video first.
The first thing I thought was the verniers would be expanding faster than that length of rod.
I’d of torched it straight down to avoid heat and flame hitting the verniers.
Starting a business in a recession can work well in optimum economic conditions m, if it’s foundation is designed around hard economic conditions.
🍀
Trev, thank you for putting in a lot of work, teaching a bunch of strangers the tricks of the trade. It is highly appreciated! I certainly learned a lot from this one. Light bulb moment with the bar in the beam, thickening in the heat effected zone.
Wow Trev great explanation of heat expansion and contraction and dolly work also very good master
Great explanation on welding shrinkage! Thank you!
Well where did you learn all the skill you have A T? I went to trevs school on you tube its like on line open university but of a practical nature.
Thanks for all the explanations Trev, enjoying my coffee and crossiant(sp) this Sun am. Loved the intro with the young protege, always keeping it light and cheerful. All the best to you , the Baking Bird and followers. You've been missed, can you tell?
It is great to get to watch your videos again. Please keep up the good work. I get sooo much out of your work
Very great demonstration on distortion! Thank you very much
It all sounds so much smarter when he says it. Thank you.
Thanks for the great explanation of heat shrinking. I now know that I need to correct sooner than later.
Just found this channel, really great heat demo, love your work. 👍👍
Thank you, much appreciated 👍
An excellent educational video! Keep up the good work!
Trevor, why does wax melt in the presence of a flame? 🥴
Thanks Trev! Its now clear as daylight!
I have missed Trev superb lets hope you dont vanish again!
Well done sir, great to see you back.
Thanks for sharing your knowledge and skills.
One of the better thin plate issue introduction welding videos I have seen so far. Yes, you should absolutely make some brazing videos ! I for one would highly appreciate. Do you btw have experience with CuSi MIG Brazing ?
ruclips.net/video/96j89_HiVac/видео.html 👍
Trev, question for you, do you know of anyone in the UK that makes period correct american number plates?
looking to get a 1957 Pennsylvania plate made up
I’m sorry I have no idea. Perhaps a Google search might turn something up. Cheers Trev 👍
Long time no see
Thank you very very much pal . Legend
hi trev great videos ive been watching you restoring your lovely bedford van amazing job m8 love that music you were playing.could you tell me plz what it was if you dont mind thank you trev keep up the good work
Three kinds of suns, Norma Rockwell. Thank you 🙏
Beautiful detailed work well done, great to watch
This was such a good explanation and demo that I had no choice in subscribing 😁👍👊
When you used the tig to heat stretch the piece to close the gap towards the end of the video, did you increase the amps or change any settings to get the arc to jump that far?
Thanks for sharing your knowledge, I can see many of your other videos in my future 👍
Actually lower amps as it causes scaring of the surface if you have it too high. Cheers Trev 👍
learn more and more mate ... cheers
Thanks Matt 🥟
Am painting a whole truck but someone said to apply a 2k epoxy sealer and I already got urethane basecoat and clearcoat but am gonna get the primer later this year after I move to Texas which probably could be December but since they said get a 2k Epoxy primer and sealer was gonna get that too I have everything else to paint my truck which is a midnight metallic blue and changing it to a metallic electric daytona blue which is a lighter blue.
In the uk we typically don’t use sealer. As far as I’m aware it’s a clear primer that you spay on top of the substrate before putting down the basecoat and then clearcoat. It’s apparently used so that you don’t have to spend as much time preparing the panel for paint, even avoid rubbing down altogether! Provided you prepare the panel properly then I can see no real need for sealer, as said I’ve seen thousands of cars painted and we’ve never used it. The absolute best advice I can give you is to paint a small panel from the vehicle with the products you have got, before you paint the whole truck. You then eliminate the problems you may face when you come to complete your paint job. I’ve had many problems painting cars over the years, some of these due to using products that weren’t compatible, but I only found this out after I’d painted the whole job! Cheers Trev
Great to see you back Trev. I'm sure you know but cheater/magnifying lenses are great in you hood for us older guys.
Thanks Peter unfortunately my sight has been damaged by a rare reaction to medication. Cheers Trev
Welcome back Trev.
When's the next video Trev? You're missed!
Soon 👍
First time here great information Thanks
Welcome back! You have been missed!! This is becoming an expensive hobby from a tools building/acquisition standpoint. A TIG welder is on the list and has been on the list for a long while. I have an inexpensive MIG and I'm barely beyond a rookie. Could you have done this level of work with a MIG or is the feeding of the wire just too difficult to control versus your dexterity with a hand held TIG rod?
I’ll have a chat about this in the next video 👍
Could you do some content on gapping welds, some say to gap a weld some say not to, I have noticed you do both, thanks keep up the vids.
I’m sure I’ll cover it again but my own personal method is to mostly use a gap when mig welding and no gap TIG welding 👍
Great Tips. 👍Thanks 😊#STAYSAFE
Welcome back sir, great to see you again.
Great video.thank you
great video!
thank you
Excellent demonstration and superb explanation! Beautiful job on the sign as well!!
Something to consider is modeling clay that is damp it seems to help stop warpage..
Great idea, I’ll try it. Frost do a similar thing called cold front 👍
Fantastic to see you back!
A question for you Trevor . Having had a BOC account for 40+ years their annual cylinder rental has become vastly expensive ( £140 ea PA ) . I have cancelled Argon, Argoshield and Oxygen and now purchased half size cylinders outright for each from motor factors where now you only pay for refills. However they do not do Acetylene they offer something they call 'fuel gas' which I think is propane based ?. I use Oxy - acetylene for nickel bronze brazing with an in line gas fluxer which I do not want to give up also and oxy acetylene is so good for heating up seized rusted bolts. So do you have experience with this 'fuel' gas will it do the same as acetylene ? It is vastly less expensive when you need the facility but are a low user . BOC do not want to know.
Hi Richard give Noz.alls a call 01242 681 052 speak to Graham (tell him Trev from Trev’s blog sent you👍)he can sort you out with a rent free acetylene bottle, I think they perhaps do three differ sizes in total. BOC is a total waste of time unless you’re using vast amounts of gas. Pure acetylene burns hotter with a tighter flame this cannot be replicated using a mix, perhaps ok for heating up or a bit of brazing but not great for welding as the flame is always a bit lazy. Cheers Trev 👍
@@trevsblog That is very helpful Trev many thanks. Great films by the way entertaining and informative and lovely quality work. . If you were in Hertfordshire I would be a regular bakery customer too all looks lovely .
Mate.... that was a really good video. I'm planning on making my own.tank for the next project bike and thus is really good info. Thank you for making a video that shows the effect of heat soooooo well. Taking it out again is something I rarely have to do with the kinda work I do as it's all jigged. But this is good stuff. Nice work matey 👍
Cheers Buddy 👍
Brilliant Trev's back!!!
Great video! Finally heat shrink and stretching from welding make
Sense. How much difference between fission and weld and adding rod?
Fussion welding (no filler rod)?
It’s hard to be really objective. I don’t think there’s much in it. The thing with welding is you have to get the metal up to melting point whatever method you’re using. I think that the length of time spent welding probably effects it more and where you join it even more than that. Cheers Trev 👍