Weld Quality & Tacking - Fabrication Series: 08
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- čas přidán 5. 06. 2018
- Tonight we lay down some beads as Tim explains tacking techniques, weld placement and a wealth of other tips for achieving quality welds.
In the next episode, we will cover how to weld crappy fits and fill gaps.
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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
Love the no nonsense straight forward, uncensored thoughts. Awesome.
That rare combination of subject matter expert and someone who can teach.
What are some welder setting for welding chromoly tubing?
Tim you are the man for doing these videos. Most chassis shops won't help their customers with any of this stuff. This elevates you to a level of awesomeness. Thanks for being a good guy.
GUNNER12R right!!??? Letting out all the good secrets all the other big dogs are probably mad
i have watched probably at least a hundred videos on youtube on tig welding and these are better than all of them!
Thanks again Tim,I use this video like a reference book, I've lost count of how many times I've watched it.Whenever I find myself in a welding rut, I fall back on this video.All the best.
Thanks Tim always a pleasure watching a true craftsman that gives a shit about his work and a perfectionist in every aspect of Chassis building, I literally have been building chassis with my father since I was 9 yrs old bending notching taching and grinding and I am 52 now and you still amaze me after all these yrs I can watch someone that takes great pains like myself in building them and building them #1 so they are safe and #2 so they are pleasing to the eye!! Great video and thanks for showing an old dog a new trick or 2!! Lol take care and thanks again Tim!!
Excellent vids, for both beginner and a 40 year welder!...Just an aside. I have always cut my filler rod in half (approx.18") AND put a 90 degree bend in the last 1/4" of the filler rod, ONE...the rod will NOT roll off the table/bench, Two...the one end will be HOT, which in my case ...hurts. I always grab the bent end...Three, good quality rod is always marked on one or both ends exactly what rod you have, ER70-S2, ER309, ER308, and usually the diameter...Having an 18" rod verses a 36" rod makes for getting into tight spots easier. (The time taken to tack the used ends together is MORE than wasted vs material costs!) Cheaper and safer to bend the end!...(I HATE bending over to pick filler rods off the floor and getting a little burned!!!)
Love the choice of language just tell it like it is. Makes me laugh. Love the videos
Nice job Tim and crew.
Glad you went in to detail about prep and gas coverage.
One thing i have noticed while building my chassis is prepping the tubing on the inside as well as cleaning out the tubing of grinding dust and swarf in the hole length of tube.
It stops you from having hard spots on the back side of the joint/weld,caused from re melting the oxidized swarf and grinding dust on the inside while your welding the outside of the tubing.
Also i had done some destructive testing on some tubing befor Welding my chassis and noticed the inside of the tubing has a light mile scale a well and seemed to fail right on the edge of the HAZ were it was heavily oxidized on the inside.
When the inside was left as of the mill finish as apposed to cleaning it and it then failing in more of a random pattern and also took more force to brake apart the clean prepped tubes.
Great tips, love the vids, I always look forward to the next one!
Hi,
Thank you.
I find your class very helpful.
I am from Australia.
Karl
Love your videos Tim!!! Excellent tips for newbies like me! Keep em coming!
Tim, I use a deburring tool so I don’t have debris on the inside of my welded parts! Saw a big Curley on the inside of your sample!
Thank you for a very clear explanation! Subbed and notified. Look forward to more!
Great tips. Thanks for doing these vids.
This is an exceptionally well done video, exceptionally informative and highly beneficial. Thank you for posting.
I love the tip about drilling a burp hole. I didn't learn about that until many fails welding frames. I have to say being a factory field welder. You bench kids are really cute with your pedals. When I weld I use a finger button simple on/off set your amps set your post and go.
My friend asked me why I was learning/ teaching myself without the pedal?
Because it is a skill I want to have in my tool box. the pedal just gives you more finite control. Peddle welding is a crutch and you're compromising your ability to do your job when you're out of position due to laws of physics restricting your ability to operate a pedal.
No complaints to each their own some men are built like K bars others built like a Swiss Army knife do everything but nothing good
Tim you are a great teacher. Thank you.
Quote of the day, " You gotta work with your rod. You really gotta get your rod in there."
Wow ur a great teacher 👏 bravo sir true expertise in action
Great video man overall good job man you got my subscription for sure!!!
Totally surprised, great job sir.
Beat fabrication videos on CZcams
Hey Tim, if you have an extra welding mask lying around, give it to your camera guy to put over the camera lens while filming the welding process. Doing so will result in a better quality video, and it will protect your camera sensor from the harmful radiation being emitted by the arc. Top quality videos otherwise, thank you for sharing your seemingly endless knowledge on these subjects!
very nice job explaining!
Great videos!!!
Another great video
Thanks for the video.
Great video
hey Tim, thanks for your always informative and top notch sharing of your skills and experience... Is there any chance you can make a video about repairing badly welded cages/tubes, or damaged tubes, where you have only certain sections that need to be replaced, leaving the rest of the cage intact? Thanks!
great video thank you
17:15 thin due to coping
Bevel the edge . Set your cope edge inside out leaving a 10%-25% land(regards of thickness)
This was what the welder wanted when I was the fitter building Chowchilla Speedways inaugural Street Stock Track Champion car
Holy moly, if I used that much post flow, I'd be spending way too much on Argon.
Great video series Tim!! I was wondering if you could do one on out of position welding? Theres alot of people that have vids on welding tube segments but nothing hanging from the roof of the car.....lol
That's awesome
I don't have a tig or the budget to build a car like you do, but I'm planning on getting into drag racing again, just for fun. Aiming for low 10.s or 9.90s. Naturally aspirated stroked big block 70 dart street strip car. Might just be easier to build a race only car but I'll give it a shot.
How do you clean the I.D.? I've had some really greasy tube before and went threw an inordinate amount of rags and thinner.
What's Your opinion on using a basic rod/stick welder to weld tube chassis? Would it be sufficient or not as structurally sound as a tig/mig welder? (workmanship not withstanding)
Not even two minutes in and I learned something
thanks for your paitence, lol... good info here
3:28 blow hole not fixable with out a vent hole.
Doable.
weld it like a gap.
stop 1 dab short of filled.
Cool it off.
Then be quick 5-10a above the bead weld seting.
Note: The smaller the air space the faster /hotter you need . Eg 6"x2"x.095" looks like a blast tack 1/4 sec , were as a 60"x2"x095 tube's increased internal volume allows 1-2.5 sec .
Doable. Not prity . Proper prior planning prevents developing this skill.
What about Aluminum?? Some welding Tips,,,I ll be glad of it.
Hi Tim, looks like you leave the gas on about 5-7 seconds after the weld ends?
That's to keep the shielding gas flowing over the weld to help cool and protect it from any impurities.
Tim I think I could impress you!
Damn tim can lay some dimes
You mentioned Tig. Do you still vent when mig welding?
I do since it still heats up the air in the tube and creates pressure
Process doesn't matter venting is necessary unless you want to get good at fixing blow holes
I’m assuming you know the idiot who drilled the vent holes personally?? Hahah..awesome videos!!
Познавательно и интересно жаль что не понимаю английский...
People will likely tell me I'm wrong dont bother me cause it works for me I tac everything with mig welder then tig it
I don't see a problem myself so long as the right wire is in the welder. AKA don't cause weak spots in your chromoly by using e-70 - 6/2 for your spots.