TFS: Why We Face Tube Copes and Notches

[@TheFabricatorSeries]

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[@timjackson5555]

Doing a three link on my truck. Used to do a BUNCH of lift kits & frame mods. That being said know nothing about chrome moly. Can I mig it? Do I have to tig it? Or just use some DOM & make it a ladder bar style single point to frame double to axle.

[@GraceWhip]

I've definitely wondered about this before! I'm not a welder or metalworker, but learning about how things are put together properly both fascinates me and has helped me know what to look for to make sure I'm not getting ripped off.

[@matthewfolbre1635]

I see so many companies selling tube coping machines that give you that "perfect machine fit" when what you need is just what Justin demonstrated.

[@Innovaspeed]

I am so glad you made this video. I've been grinding that thin taper off all my coped joints for a while, but nobody ever says to do it. I only did it because I got tired of burning through that thin section. Haha.

[@Clem_Kadidlehopper]

That was a good explanation. I've seen chassis and cages break right past the weld and you know immediately they welded on an improperly thin face

[@XxShantilisxX]

I think it has more to do with the fact that the picture makes it look like the joint isn't even touching the base pipe. Probably because a lot of people don't realize that the inner wall of the pipe is actually touching because they're online welders and not practical welders. Anyone who's done actual pipe work will recognize it for what it is.

[@mrmidnight32]

Gary Levario just shows people these days get caught up in the “Instagram” looks. Than just creating a solid raw weld and project. People get too caught up in looks these days over just creating solid welds even if they aren’t show room quality.

[@jamesanderton344]

Yep. You can’t make a root pass if you can’t reach the bottom of the joint....

[@divyajnana]

Great explanation and visuals and, YES, it makes sense, you're basically welding a fillet and not a finger-nail, thanks.

[@kevinfelix4933]

I'm a novice tig welder, but learning all the time. love the instructional info you give out.

[@leebarnhart9725]

I don't work with tubing much but when I do I will be in little better prepared. Looks like one of those deals where I usually learn the hard way. Thanks. You pack a lot of info in every sentence. That's an art you know.

[@minhster714]

Good explanation! Never done any notches like that, usually do it with the thin "cover" but totally makes sense, will start doing it like that.

[@OlympusHeavyCavalry]

The "YES" &"NO" at the end of the video was very interesting, as the "NO" is what I have seen some TIG welders use for Aluminium etc. I believe you are spot with what you say, as I spoke to a few Welders/Boilermakers where I used to work, they said exactly the same as you have described here. Thankyou for this video, Cheers :-)

[@jimzivny1554]

Good explanation, I've seen guys go nuts with files and die grinders to get almost seamless joints before welding then scratch their heads when cracks develop. The problem with that in a roll cage is you don't find out until disaster strikes a ND the tubes come apart and you wind up in the ER

[@LittleAussieRockets]

You have summarized this one beautifully. Thanks mate

[@ozdatman]

Thanks man. It doesn't have to look pretty at every stage of fabrication, strength of the weld is everything.

[@UserUser-ke4ti]

Watch that puddle, as long as you don't undercut, the guy that's doing the X-ray will be happy.

[@Ryan_1997]

Needs to look pretty and be able to pass xray. Don't be lazy, make your welds count.

[@mr.disorganized6287]

I have not welded much before just got a flux mig for Christmas, I think you explained it very well.

[@eliteous]

The visuals and explanation was great. Makes perfect sense.

[@keithmartinez07]

Internet QC’s always making things bigger then what little knowledge they know. Great explanation and shining light to this great TUBE fit up.

[@LonersGuide]

Makes complete sense to me. Great information and illustration--even the thumbnail!

[@stevenmitchell6347]

Great explanation on how to do it correctly. 💪👍😁

[@GosselinFarmsEdGosselin]

Some would say bad fit, I say stronger weld! I'd rather have to fill an 1/8" or even a 1/4" gap, than have to grind a V to get a good weld! Thanks for the video!!

[@johndeerman2105]

As always very well explained. You clearly understand what you do better than anyone. Thanks ✌😁

[@americanfather3090]

It's like running a keyhole. I'm surprised how many people I see doing surface welds and getting away with it 🧐

[@zipzit2go]

Nice video, nice energy level from the presenter. many thx.

[@JonDingle]

I appreciate the lesson young man. I don't see that as a "gap" myself. Having hand cut fishmouth joints when making tubular farm gates with an angle grinder and worn flap wheel my fit up was twice the width of your gap at least! That was on galv pipe which was then cleaned and Mig welded though! Top regards, JDZ.

[@gordowg1wg145]

Yup, lighting angle wasn't quite right, but you can clearly see what he means at 2:30 - even better at 3:33 in short, it is to ensure access to the full tube wall material, rather than just the outer edge - thicker the pipe/tube wall the more critical it is.

[@deadslow201]

And also, if possible, you do not want to have sharp corners between materials or in the seam. That will create a structural hot spot/hard point. And that is the place from where a fatigue crack starts very easily.

[@EcoMouseChannel]

This can be shown on a circle cross section diagram. The top of the (circle) tube is essentially flat and whatever thinness... .063" or whatever, and you lay the "flap" of the coped section over that you only double it's thickness to .126" - Whereas if you are welding where the wall of the cross section of the tube is still on the upward slope, and not flattened out to the top of the arch, you get a lot more thickness of the tube to take the weld, and less likely to blow through.

[@gsawyer22]

Very clear explanation and much appreciated. Thanks!

[@daviddroescher]

When I was the fit up man for a street stock dirt track car we called it beveling. On a thicker cage like 2"x.120 wall chromoly or 2"x.250 mild steel wouldn't you throw a nice 45ish bevel around the whole coped tube? If your going to knock the corners off of mittered square tube , shouldent you do the same for round pipe/tube?

[@UserUser-ke4ti]

I agree with you. Spot on.

[@tano1747]

Or more succinctly, it is a vee prep for a full penetration weld.

[@UserUser-ke4ti]

I use to weld or Tig pipe by taking the correct diameter rod and simply insert between the pieces and getting a full penetrated weld in one pass, learned from an old guy who had welded pipe forever. It works, no bevels, no excessive heat to turn your metal into sugar, but it does take alot of practice, took me months to get it down, then I went back to stick.

[@tankstoys3034]

SOOO glad your getting some fabrication back on the The Fabriction Series. Just reclicked the bell icon 👍👍

[@kropjesla01]

thank you for your very clear explanation!

[@mattpolitzer2920]

Justin, It was good to see you albeit briefly at SEMA. I know you may not totally remember me. You, me and Bob Moffat ended up Drinking in I think the Gold Coast Casino Bowling Alley bar on Saturday night when I took a two day TiG (Aluminum and Stainless) welding class with you and Bob. You always put out superb content in your KZbin videos. I totally understand maintaining the base metal thickness of any joint to achieve full penetration, especially in a structural weld. You also inspired me to tackle several projects way outside my capability and I achieved outstanding results. Thank you and keep up the good work. BTW, Did you know that Starting Jan 1, 2020 you can use the Commissary and Exchange with your VA health card because you are a Service Connected Disabled Veteran. Another benefit for those of us that paid with our bodies during active duty.

[@gregwarner3753]

Ah. Agent Orange, the body spray that keeps on giving. I'll check with my local VA hospital. Ex Mekong River Ret 66 - 67.

[@Anony___mous]

very good tip. As a machinist, your use of the term "facing" in regard to those tube cuts had me confused for a moment. It made perfect sense once you started to explain. On another note, idk how you feel about guns but I'd enjoy watching you make an m2 style tripod (Google it) it would be a great project for someone with your skill set.

[@scottH18370]

These videos are great I’m trying to learn how to take tig weld to rebuild my airboat rigging

[@Tomyp89]

Wikipedia welders, as someone who knows every detail about material, settings, preparation, technique. In most cases all they do is critique. They don't have the hours to back it up.

[@jonellwanger7258]

Tomyp89 I hate that attitude. Hands on experience beats books smarts all day, everyday!

[@Youtubeforcedmetochangemyname]

Or even know how to weld at all

[@workwillfreeyou]

Does anyone have used tubing dies for a JD2 bender or know of a forum that I might be able to find them? 3/4", 1 1/4", & 1 1/2" tube. Thanks. Great Channel! Jim.

[@RussZHC]

Would you say because the tubing is laser cut that the facing is relatively perfect compared to the method you use 4.5 years ago when you did "How to Notch Tubing Without a Tube Notcher"? Asking because one would think by hand it really introduces another variable but it also the way most tubing is going to be faced.

[@jt450rcrf]

Thanks fo the tips on notching also I noticed the lead hanger you added to you monster cart that is an awesome idea I think I will need to build a type of hanger in my garage

[@STohme]

Very useful explanation and very nice video. Many thanks.

[@a5ync]

Thanks for another great lesson. Love your videos and I am local too, looking forward to get some real training with you soon.

[@davidzimmer2694]

I'm glad we got that cleared up...lol

[@billberger7584]

I definitely learned something from this. I don't do much welding but I like knowing this stuff. I subscribed.

[@guytremblay1647]

if thats how they figured to weld those modern Quad frames to make them more solid than the old moodels well i got news for them . They failed miserably . I rewelded my 2015 Can-am frame 12 times and replaced it with a brand new one last year and i already rewelded once since . and from what the small mécanique shop in my town told me i'm not the only one with the same problem and it occurs on many modern brands

[@randywilliams4325]

I get it . Does that apply for mig on dom steel tubing ? I have been watching your vids since you worked out of your garage . Always straight and to the point .

[@bigrockets]

great information! thanks for taking the time to post this.

[@vladorlovsky6623]

I love your videos Justin! Very informative.

[@jamesjohnson9557]

Thank you. That makes sense now.

[@cats.cars.33]

Can't wait for the new project to start! Guessing it was that little (Mitsubishi?) truck you got a while ago? Anyways, keep it up, love your work... maybe someday I'll make a trip out to Vegas for one of your classes.

[@knonfs]

For somebody that is not a welder/fabricator (like me), "facing" the tube is basically a beveled end?

[@UserUser-ke4ti]

It's all in the structural application, if you need 100% penetration then bevel from the inside out, but a slight bevel at that, to big and you run the risk of overheating the base metal, not enough and your weld is incomplete.

[@davestambaugh7282]

Did this with gas in high school welding class at Detroit Aero Mechanics High School in sixty two

[@tylershimek6167]

Great explanation, helped a ton!

[@rtjautomotive]

Thanks for teaching us.Super channel.Happy Thanksgiving.

[@JakeFrom619]

I love how you explain how to get full penatration

[@douglasbernick659]

Yes that makes perfect sense tag from both services rather than tag from one surface and Leaving

[@dhanwatiesukhai2524]

Hello. Im Andrew. Can you please do a demonstration on how to repair an aluminum fuel tank for trucks. I recently bought me an Eastwood digital tig 200..I work for a truck repair company.

[@mrctuned2844]

That's a great welder, I love mine!

[@bryanne274]

Thank you for all your videos!

[@laptopdragon]

how do you like those titanium (green) machines? asking b/c they're on sale this week and I'm thinking about getting one.

[@wadesaxton6079]

Got to cut back the thin tips until you have mostly full tube wall thickness to weld.

[@daveperala4965]

I have that same pen and its handy as hell in the lab I work at.

[@voodoojames4824]

Finally someone doing it right.

[@BRHood]

To a real pipe welder that not a gap, equipment welder that really ain't no Gap

[@daviddroescher]

For someone who can't tune a bandsaw to a clean 45 miter that's quite an exceptional fit up. Glad I mastered that skill. 1/16 slice.

[@jtkilroy]

For a farmer there is zero gap

[@Jonathan_Doe_]

4-5mm ‘root gaps’ were common where I used to work... Mind you that was root fill and capping 20mm bevelled plates to a 5 inch 20mm thick boss.

[@airtothewick]

Spot on

[@Ilsabug1]

Was there anymore on the bagged Caddy? I'm really taking a lot from the fab videos. Thanks for posting.

[@mowler8042]

makes sense when you explained it.

[@WickedMoto]

awesome info. thanks

[@kensmith8832]

Sounds like you are having issues with teenagers. They tend to be negative and never have enough info to judge. One other issue with having a face that is not square is the time wasted trying to weld the tapper and get a good weld. Speed is always a factor in fabricating. Thanks for the Welding 101 lesson, you did a good job.

[@jobuck893]

Great information man thank you

[@robblowe8525]

What's the cheepest most compact welder I can buy to do car restoration and frame boxing with

[@mrctuned2844]

Eastwood TIG200 digital. Great welder for the price.

[@madcapmagician6018]

It will be great to see you fabricate again 👍👍

[@sabercruiser.7053]

THANK YOU KEEP UP THE GOOD WORK.

[@rhnstjegilrhkscvn1djhrj969]

Very informative

[@Velsbasketcase]

More heat more warp, especially with stainless, depends on the application. Non structural stuff I wouldnt want those gaps.

[@whoknows3347]

Full thickness comes from good fit up....u can have full thickness without a gap that's y a fitter is so important

[@seanhazelwood3311]

As a fitter, I hate welders that want a 1/4" gap. My bevels are correct, the ID matches, and it's clean. If you're so worried about your root pen. that you need a big gap, you shouldn't be welding pipe. Big gaps are crutches and it screws up my measurements.

[@JPUA144]

@@seanhazelwood3311 Agreed Sean and I'm a UA welder.

[@HamRadio200]

Thanks for good explaination!!

[@radialorbits]

gotta have that gap/bevel to get the penetration!

[@melvina6673]

I can digget preciate the info very beneficial.

[@americanmaker8608]

Very helpful

[@dougrathbun4747]

Like V grooving a but joint!

[@Gkuljian]

I'm curious how those fitups are made. It almost looks like a two step process.

[@corythomas4427]

Frickin laser beams!

[@davestambaugh7282]

Like any but joint but wrapped around.

[@adambergendorff2702]

excellent

[@craigfiles7067]

Thanks for the explication

[@goingforspeed]

Thanks for the new word. Not heard of that before.

[@craigfiles7067]

@@goingforspeed oops should be a n not c

[@goingforspeed]

@@craigfiles7067 no I think you got it dead right. Explication is the word. I'd just not heard it before. I am not a smart man.

[@craigfiles7067]

@@goingforspeed i just looked up the meaning you are correct it meens to explain or make clear

[@navnav6461]

Fuck the haters mate. Thank you for lessons and I will definitely wait for more. Greetings from Latvia 🤟

[@corbandallas8644]

My dude. Not sure if you know this or not, but who da faq cares what some fat dude comments about YOUR fabrication skills. Unless they have a piece to compare it too, or a KZbin channel to send your followers too for better content, they’re just keyboard commandos. Keep giving us these valuable videos man. Wish the “Thumbsdown” wasn’t a choice. Such a waste of energy to judge another mans FREE content. Stay up!

[@vintagespeed]

this is why you dont get stress cracks at your cope joints...especially with chromo. this isn't gluing. it's welding. +1

[@kevincollins2184]

I've worked in the turd hurding industry for years and non pressure is nohub, slip fit, or glue joint. Hell even most water mains are slip fit or mechanical flange not welded.

[@gregwarner3753]

Almost all the joints in the high pressure natural gas lines are welded using acetylene torch technique. Really good explanation of proper preparation before welding.

[@Pgcmoore]

outstanding!!!

[@scotterose]

"these are not dookey chutes" i died

[@Hazzy238]

The perfect fitting joint ends up with wafer thin intersecting front edges. Looks good until u try and weld it. I looked at this video 8 months too late . Thanks.

[@jvmiller1995]

So I got a welding challenge for you or anyone with a you tube welding channel. Go watch some video of the foam craft board planes that the guy's from flight test build. Tones of cheap Rc planes made from a thin foam board. Every plane they make they upload the plans for free and then they sell kits if you want the board to be laser cut out. But my Idea is you download the plans and tig one up from .032 or .040 aluminum sheet. If I was better at the thin aluminum I would give it a go but I need a lot of practice first. It would be cool to build a fu4 corsair or p38. Even I f you had no interest in flying it. It would look good hanging in the man cave. These plans are real detailed and might need a few changes but should be close enough to do something with. If you like this idea keep liking it

[@gregwarner3753]

Great winter project. Thanks for the sugbestion.

[@miiklaa]

Очень полезная информация. Спасибо!

[@brianmoschke234]

For a strong weld try adding some filler rod ! With all that under cut on the toes , that pretty fit-up won’t do u much good

[@tomthompson7400]

only farmers think that things must be touching with no gaps for welding , then butter the top of things with a mig welders know who about penetration ,appreciate good preparation , nothing has done more harm to the welding professional than a farmer with a cheap mig.

[@jesusjacobo3423]

💡

[@ApostleDavids8w]

Man that good penetration thanks for the fabrication tips

[@mrdigitalextreme]

You would think they could laser cut the parts with the right cope... wish I had a laser notcher. But anyone that doesn’t know this is definitely not a tube chassis fabricator🤫

[@dougrathbun4747]

Welding 101!

[@DmOcRsI]

I love seeing your new content... but goddamn man, you look tired... get some sleep, Justin!

[@kingkulit]

I just want your pen bro