Welding Crappy Fits & Gaps - Fabrication Series: 09
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- čas přidán 11. 06. 2018
- If you're fitting a lot of tubes, don't be surprised if you run into a gap or two eventually. This video explores some techniques that can be used to achieve a quality weld when dealing with a less than optimal fit.
In the next episode, we will cover how to weld 4130 plate and sheet metal.
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The information contained in this video is based on the opinion of Tim McAmis and his 30+ years in the motorsport and manufacturing industries. Any action you take based upon the content provided shall be done at your own risk. TMRC and its affiliates are not liable for any losses and/or damages in connection with the use of this information. - Auta a dopravní prostředky
Tim, great Videos. Please keep them coming. Also, Check with Jody at welding tips and tricks on filming welds. Not sure how he does it but you can watch the bead go down. and a picture it worth a thousand words. I think he films through a welding helmet...but again, not sure. Thanks for taking the time to spread the knowledge.
Thankyou so much for all the videos you do Tim. Much appreciated from Scotty in OZ!
Thanks for the education Tim. Even old dogs learn new tricks. Much respect!
Thank you for your time Tim!
Its awesome getting real world knowledge on what real shops do. As always badass videos!!
I love these videos Tim. Keep them coming. Good information.
I really liked touching the rod to the tungsten. Did it a million times when I first started. Steve
Thanks for the videos Monica!
I knew with this video title I would be entertained... At 6:30 you did not disappoint ! haha... I'm building my own 1965 FFR Cobra Roadster and have watched you from the Made in China rant! Wish you would have the shop / store open on a Saturday so I could stop by to pick up some items...it wouldn't be much but it would be my way of saying thanks !
And I must admit, I dunk my tungsten like I have the hiccups...
on large gaps take a piece of filler wire and bend it to fit the gap, lay a tack over it, then lay your bead over the wire. you can lay a pretty bead over an ugly gap with this method.
I've watched other videos that use a camera filter and angle that allows seeing the puddle, rod, and tungsten. These videos show the back side of a torch and a bright light, then...."see what I did here". The explanations are great.
Thanks Tim.
Always tack it at the tightest parts of the joint and start welding out, into the wide gap. The actual metal from the rod (the weld bead it self) will pull like crazy when cooling and likely to distort the mating tube and make a bump on it. (I used to build railings on super yachts and there can't be be any visual bumps or wavy rails on a $100 million boat...) Like Tim say though, practice and hours make it perfect.
I agree with the likely distortion that is expected with the suggested method. That width of hot metal will shrink heaps and cause considerable distortion.
A method I have used successfully on wider than desirable gaps is to lay overlapping weld beads on the continuous pipe in the space of the gap to build up the material and narrow in the gap. Build up the welds so the gaps is as closed as possible without joining the two pipes (very important) allow to cool and once cooled down to room temperature then do the final pass of welding to joint the two pipes together. use plenty of filler rod and build the weld above the surround pipe surface.
For really special work, belt sand the welded area to a neat pipe finish and then run a facing weld around the base and it looks like an original properly fitted welded joint.
however nothing is better than a properly fitted join in the first place.
A great series of videos. thanks
Thanks Tim
Hi Tim super video thank you as a novice could you lay a bead either side then fill in between the two thanks again UK
possible to show an overhead weld with same material? new subscriber and this I my goal workin in a shop like yours, when I receive my certification.
"All jacked up..." about fell on the floor... Question, would you ever reweld over that? I call it "floating" to clean it up a little?
All I know for sure learning to Tig is painfully frustrating. Lol so go ahead a big tungsten's in the 10 pack.lol but given enough time the welds are really clean and tight. As for me I'm still learning.
Tim is there any chance of doing a video of out of position welding?!?
What do you guys do with your spare scrap metal? just curious
What's your thought on making the bridge and then going back over to pretty it up by not really adding much filler rod? Basically kind of rewelding.
as a novice could you run a bead on each side of the tube and then finish across the two beads of weld??????super video
Tig settings?
What size vent hole Tim?
And make sure you use the worlds best tig welding cup the FUPA 12!!!!!
else its going to look like ass if you dont have good gas coverage hahah
nice work Tim
What is size of this tube and thickness ?
"Jacked Up" and/or "Hung Over" it's very difficult.. but, that's the real SKILL !.. Welding under ANY condition, Rain or Shine, and not quiting..
I'm all jacked up on mountain dew!
Man that was a big gap. I know what you're trying to show. But every hack out there is going to think this is ok.
You need arc shots man for this to make any sense ....people need to see it done and what to look for behind the helmet
Why don't they walk the cup on roll bar tubin
i appreciate your taking the time to make vids, and i knw the work that goes into it. but i completely disagree that a large gap tube joint is "strong enough" or is "fine". it's not, it might be fine in a street car or aesthetic application, but it's the weakest part of that tube joint and will fail in an impact, the edges of the tube are over-heated and thinned and it's no longer a fillet weld. so if you're building a cage that may eventually get used, and your life depends on it, throw it away and cope another joint. thanks for the vids.
He did say "non essential" joint.
1:15 Ha, that’s what she said.
How do ya get to Carnegie Hall? Practice., kid. Practice.