3G GAS SHIELDED FLUX CORE with a Backer
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- Опубліковано 25 сер 2024
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![FCAW 3G : Wide Gap Welding (CO2 용접기로 와이드 갭 용접하는 방법) [sub : ENG]](http://i.ytimg.com/vi/kvZunUjcoNY/mqdefault.jpg)
I would like to see bob do a long episode on the welding procedures and consumables used for welding dissimilar metals, medium to high carbon steel, and High Strength Low Alloy steels. It's a topic that Jody has covered in a scattering of videos but I would like to see how bob would present the information to us. Love the channel guys!!
Doing this exact test on Monday for a really good job opportunity, haven't flux core welded in a few years so I'm a bit rusty after running mig and Tig for two years.
any updates?
If you’ve been running mig daily you’ll be fine
I'm a shipbuilder and FCAW is pretty much all we use. There's quite a few things to improve on this video, most of all - cold starting in the root like that is never a good idea.
For weld tests that impose a zero tool mark policy and require a 'stop - start' the trick is to barely stop, 'of the trigger, on the trigger', eliminating the potential for inclusion or lack of fusion.
On the job it's common practice to start the run on top of your bead and lead the pool down in to the root, a quick grind post weld to remove your stop start 'bump'.
The technique varies with wires. 14hd fluxofil is fantastic, my favourite, gives a very flat bead with straight stringers.
Different projects adhere to different wires but i would recommend you trying a roll of 14hd, you'll like it.
Your comment is a couple years old, but I'm in my 3nd week of welding. We are going 3G practice and I am having a lot of trouble with the 3/8 root pass. I see people heating their plates but thats the second semester class. I've done a few good root passes and mess up on the next passes, but the most challenging is the root. What would you advise a beginner. I am using .35 wire at 135 WFS and running 19.6 V.
i hope you and bob both cohost the channel for a long time to come. Your styles mesh well. I am a older eng, but wish you taught in brevard county not kissimme or where you teach
mikesfarm mikesfarm thanks for your support.
Live like you weld, not too stuck up and not too proud! 👍🏼
You guys should do a video on 3g/4g with .072 innershield. .045 is a good shop wire but most welders in the field are gonna be running an inner shield wire which isn’t as forgiving as .045.
ftownmarine from what I’ve done with innershield NR233 .072 I would keep my settings around 100-110ipm and about 19Volts for 3G and for 4G I would go about 130-150ipm and 20-21Volts
We run .035 in our machines burns hot as hell 😂
One thing I learned first hand is with bigger wire, you have to turn the wire down and run slower, I did my D1.1 cert test with .045 wire and at my job we use Lincoln 1/16" wire
Great Bead. Great Video.👍
weld [HAGOJIBI] thanks for the feedback and thanks for watching.
Good information and display of technique, thanks for the video. Interested to learn flux core, for now I'll go back to studying.
You guys are doing a fine job, but where is Bob??? Missing his coopuns set up...
Bob is on Mondays and Fridays as he's always been. Jason is now doing a Wednesday series.
Looks good. I felt like i was under the hood while watching it. Thanks for the upload.
Nice work
Idk why, but every time I see a dual shield vertical weld, it reminds me of the backside of a cow that has been stressed out and eating taco bell... great video as always!
Learning all the time watching your channel never knew you could us gas with flux core
It’s duel shield wire.
tucker simes oh yeah man, it runs very smooth and you get twice the shielding. It’s a very fun Wire to burn.
Excellent job
Great video! Thanks. Where is Bob? No vacation time for him it has been denied!!
Bob is on Mondays and Fridays. Jason has a new show on Wednesdays.
@@Welddotcom Ok thanks 👍
Two bad boys
I want to ask that same volt and imp in filling and Capping .??
bob we want to see a tutorial on oxyacetylene welding or brazing for repairing hydrocarbon equipment or fishing oil tools.
Ceramic backing next
Yes, ceramic tape is what we use in shipyards to fill huge gaps. Some gaps can be 1 in. wide!
Please, if you could put a plan where you can see the thread and the direction in which it points or the side where it lands on the piece, it would be very helpful.
an overhead shot
Can i ask if you can tell us how what what ampheres and voltages set up did you used for this content! im a beginner😅
Curious, do you ever increase the heat since the weld is now thicker? A bit of overkill on this demonstration but that would hold the wall on fort knox. Rows of quarters just stacked like a bankers till. I do learn a lot like not getting in a hurry to take "slag" off... It's the little things like that that keeps them hiring you back... If it were only the neighbors kitchen cabinet hinge.. I would bring my stick welder and run 7018 on first pass without brushing area off. Then put the 100018 over it to hard face it so the cabinet board has to swing instead of the hing/LOL, I jokes
was that a total of 8 passes? I could not keep track. you are a great teacher. great job!
When is a weave not a stringer and vice versa? I think I would have put a very quick stringer in just before the final run and so not felt the need to weave on that final run... There's a relaxed feeling when you know the last run does not need to 'work' to be finishing the cap. It covers the previous run (and its narrower size).... and also goes nicely onto the right hand side plate without there being any need to weave to do so... In short. One quick 'no weave at all' stringer just before the last? Good idea or not?
eg At 8:27 it sure looks pretty wide to be wanting to put on just one more.
Está bien 👌 aplicado solo un poquito menos rápido la última pasada
Was there a problem with your voice audio? I had crank up the volume to hear what was being said. Thanks for another great video.
I could hear fine on my computer but I do know some I have to turn up
Not to my knowledge. I just watched it again and had no issues. Make sure you set the audio on UA-cam and your device.
@@Welddotcom It was only after watching other videos and then watching this one that I noticed a substantial difference in the vocal audio. Thanks for the response, keep the good videos coming.
Hi. I am from Indonesia. Your welding technique is very good, I would like to learn more with you. Please make me a video on how to weld the SMAW + FCAW combination, and please include the translation in Indonesian. Thank you
🤣
GOOD
very good
Hey there, hope you doing well! Great videos, let me ask you a question about the temperature! How long you let it to cool down between root and fill or fill and cap passes! I welded few tickets... I think to fast, and the distortion was amazing! It turned into a circle almost :(
Welcome to Weld.com, i'm Bob Mofat....😔
Select arc wires kinda run rough that's my belief there sound but just alot rougher than say esab or Lincoln wires
Have they done a 2g flux/dual shield video?
How meny current sir
Great video, what gloves are those?
The Blue ones were Caimen, the Yellow ones were Lincoln.
the instructors got a coke nail xD 1:40
Speeding up the welding reverses my learning STOP
Quick question. Is the gun positioning slightly pointed up or down. It almost looks ip
Is there a reason why I can't find anyone doing this process open root without backing plate?
Hard to hear the speech over the fan and arc sound . Unable to make out lots of it
So this process works on all A36 steel plate regardless of thickness? Just saying....
Muito bom
Hi , in this case , your work clamp is positive or negative. ???? In this video
Se Faucon for all Gas Shielded Flux Cored your work piece will be on the negative terminal and the gun will be on positive.
Thank you so much , what a straight direct answer , i am so happy
Thanks a lot
@@sefaucon3839 The answer was direct, but not straight, it was "reversed" :))
What do you mean ??? I thought the answer was clear without any thing more to discuss about the polarity ???
Please explain yourself here , ( you are welcome , nothing bad again you )
@@sefaucon3839 it was supposed to be a pun. Straight polarity (positive on workpiece and negative on electrode) is used in GTAW. Steel SMAW or GMAW uses mainly reversed polarity (negative on workpiece and positive on electrode/filler), or AC.
How thick is this plate? 3/8th inch?
which settings ?
I cant do dual shield uphill to save my life I have no idea what I'm doing wrong it always wants to dig and drip out
Ur probably running too hot
justin M yeah turn it down then lol like 26.5 350 or like 26.0 300
Try turning down your wire.
garry soundara it’s the Temperature not the wire if it was wire it would not fall away from the puddle . It’s just way to hot with not enough wire
@@mexi9787 or it also will look really droopy
Well I'll be first.
Bob Moffatt yeah, but you cheat because you know exactly when the video goes live. Shame, what will your students say? ;~)
Bob, I was just kidding.
x soldier and cub
What's the nozzle angle from plate ?
Just want to learn, hope no one will burn me in this comment sec 😅
Anyone noticed that coke nail 🤝
Mas cobak ngelas gae fluck core
can i see root pass, please?
wanz chung root pass at 3:09
Back side?
There's a back strap. You can't see the root pass on the backside.
Cm tradusco a español o sut en español
MIG WELDING
Voce tem que. falar. do. Amperage para na pocicion bertical. e para na pocicion. sobrecabeza. Voce. nao fala. entendio.
I'm second then😉
In Australia Ypu do a weld test with flux core like that would be a instant failure
Stringers bro stringers
3G 4G stringers all day long
Lol
Need to get it done quick to
Most tests r for getting the job
Slow test normally u don’t get the job and job peac needs to be vertical not nearly vertical
And only a one side prep
No backing plate and normally a back grind or if it’s bad gouge
Grind in every run keeps it nice and equally
Nice
That's not a true vertical
Be careful with the fumes to they r a killer
123 123 woodroom weave 👍
Remove the back plate, and lets see if you really can weld.
If you are a welder, you should have no problem welding this, without backing.
In almost every american video, they use this method, but in real life you can't use this everywhere.
And I would like to see the back side, so that I can see the penetration.
im 4thhhhhhhhhhh. and yo dude
No good...
Well im third!
👎
Title should say dual shield. I almost skipped watching because it was flux core.
FCAW-G actually ... It's gas shielded fluxcore. I almost skipped your comment.
@@motoz3939 most of us watching are not experts and don't know codes. It is more commonly called dual shield. We call it mig, tig, and stick.
@@who_is_asking or outer shield but who's keeping score. I guess it just stuck me as funny someone commenting about something they clearly don't know about. Dual shield I believe is Lincoln's name for it. But we should spread bad info to get more attention from people that play welding. Maybe you should skip some of the videos if that's your type of input.
@@motoz3939 in the first 3 seconds of the vid he says... We are going to use flux core on 3/8 plate. So the video is spreading bad info because he didn't say... We are going to outer shield our flux core wire today on 3/8s plate. Like take your "I'm a professional" attitude to a channel for professionals. This gentleman came from a school teaching welding to a UA-cam channel teaching welding. With Mr. Bob who has probably forgot more procedure's than you have ever learned. So I'm going to continue to play at welding. While you play at being a professional. Trolling a channel for learning. Since you came here to teach?
@@who_is_asking I didn't read all your comment I assume it's garbage anyways. Fluxcore is the common name for it. I hope you have a better day.