3 REASONS YOU GET WORMHOLE POROSITY!!
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- čas přidán 21. 05. 2019
- In this episode we go over 3 reasons you get wormhole porosity with gas shielded flux core (dual shield / outer shield). 1) Improperly stored electrode. 2) Voltage too high. 3) Wrong contact-tip-to-work-distance.
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Very nice video!
Bob Moffatt thanks Bob.
We missing you. I hope we will see you back on the channel :-) too
Best info for time ratio yet! Most teachers ramble on & on forever but don't say much. Thanks for the heads up on major factors.
Holly Crap. This guy has a very good and clear understanding of these processes!
Sidney Hurst thank you.
How has this not been done before?! EXCELLENT job guys.
I am in metal fabrication program and this is my favorite channel to get information. ❤
Thank you . It's good to be informed of the reasons why doing or avoiding certain techniques , rather than being just told to do it , but not why . Very helpful .
awesome video, always wondered why I would get worm holes with gas flux core from time to time!
Very helpful. I’m welding gussets on a piece of farm equipment I’ve got and this video helped me solve my issue with wormholes.
Very instructional video, solved some of my wellding issues without all the mumbo jumbo. 👍
As teaching in the welded Art and helping other students in the welding class I always tell students "prep is key to a better weld"
This is one of the best FCAW-G videos out there.
Very beautifully explained. You are a very good teacher and a very good person. You are educating the world. Keep the great work going.
i like this video good job! Im a welder in my early stages. Welding has been a blessing to me. im currently employed by a crane/boom truck company. I fabricate and weld the subframes that support the boom/crane. Ive been looking for information like this for a while and couldn't.
even though this video is a little old thank you for making it.
I understand proper storage of mig wires needs to be considered, you mentioned how important it is. I would like to learn the proper storage methods. A short video with some examples of common and best practices to achieve this would be much appreciated.Thanks
if gas can diffuse in it can diffuse out too. I wonder if you stored it in CO2 if the wire would get fixed
Most wire spools come sealed so they don’t react with the atmosphere. Don’t open a new spool till you need one. try to use up that spool within a reasonable amount of time. We had a spare machine that was seldom used so the spool would last a long time. by the end of the spool it wouldn’t run the same. simple as, besides that put em on a self inside where the temperature/humidity wont fluctuate too much
Excellent tutorial, thanks.
Thank so much! I’ve been looking everywere for a video like this!!!
You guys should do videos on all surface defaults....and internal defaults..and what welding process creates the diffrent flaws ..why they occur and how to prevent them....that wil take ya videos to a whole new level....#my go to channel for pipe....
Really good information. Lots of things to consider when I'm welding with my everlast that is for sure.
One of the best tips yet. Thank you for that!
VW5767 glad we could help.
👍🏼👍🏼 Good info - Direct to the point
You got a leave a little something behind for the grinders and helpers...
Your videos are fantastic. You teach simple and efective for us. But don’t let Bob M. go away, for the same reason.
Eduardo Rosales A don’t worry Bob’s not going anywhere. We’re just adding more content for the viewers.
@@GodslilRedneck23 Bob's the Man, but this channel has room multiple quality instructors. Great video!
Wow - presentation great and lots of valuable information provided.
Wow, thank you for the detailed explanations. You are truly a skilled and excellent instructor. I don't just wanna know how! I wanna know why!
Great video. This really helped me trouble shoot some issues I was having on two machines. It was user error not the machine.
Thank you,
Fantastic video, I wish the bosses at the company I used to work for building highway structures could see this video, they stored the wire improperly, wouldn't let us turn the gas flow up, didn't provide drawings done to drafting common practice and wondered why they had so many QC issues and reworks, most of the time I was the lucky bugger doing the rework.
Oh man, I was the lucky idiot who did the rework at multiple factory jobs as a welder... it sucks to be good at what you do sometimes, eh?
First time welding dual shield yesterday. Couldn't believe what I saw under the slag of my first weld. Played around with the settings and finally got a run without worms.
Learn so much from you, sick beard. Best videos
I did not forget Macub and Cameraguy. All the team.
Great great video. Very informative. I’m using 1/16 in. Dual shield wire and was getting a bunch of “worm holes”. FYI it was my stick out.
Good video. You can weld in the wind 💨 if you don’t have the wind to the back side of your gun nozzle. Probably up to 12 mph. Keeping close quarters between nozzle and work. When using wire. Great vid
thanks for sharing, good tips!
I have found that hydrogen (moisture) in the base metal can cause worm tracks too. I discovered this issue while working at a structural fab company and welding joints on steel that had been stored outside in the weather. Only fix was heating the joint areas to cook out the moisture.
100% true, I used to work for a highway structure company, the SOP called for 300* F preheat, the amount of moisture displaced was unreal, the foreman used to get all weirded out saying we took too long preheating then wondered why they had worm tracks.
Agreed, always preheat at least to remove moisture especially when running dual shielded flux core
Steel doesn't contain moisture as it not porous, or else boats would sink and buckets would leak. Dunno about hydrogen and all that but definitely doesn't contain moisture/ water.
@@rich3633 run a cutting torch down a sheet of plate steel and watch it sweat. The surface of steel is porous and will hold more moisture than you realize. I battle this daily as a professional welder.
@@johnthomas8605 That is the product of combustion condensing on the plate then evaporating. Trust me mate. I'm a welder too. 👍. Seriously, look it up. Don't mean to sound condescending. Water vapour being one one of the products of combustion of hydrocarbons. Cheers dude.
The way that slag breaks off into huge chunks is so satisfying!
I really enjoy your videos why? You are articulate and to the point, you understand he chemistry of welding and explain the subject matter.
You know how to communicate! Man cub on the other hand is like Dale Earhart Jr in his early days of racing that poor guy could not talk his way out of. Let’s just say Jr’s Forte was not extemporaneous speaking. Today after many hours of coaching he has learned to use and expand his vocabulary. Man Cub if he wants to produce or be in videos he needs to consult with Dale Junior to lean how to communicate.
I learn something new from everyone of your videos, great job. From a retired Pilot and Electrical Engineer. 😁🛫
Awesome demonstration!
Thanks for the valuable information 👍
Like the help me weld at the end. Good thing you guys are doing.
Josh C thanks for the support. Post up if you need any help.
@@GodslilRedneck23 I am a beginner and using flux core wire w/o additional shielding gas. Does your explanation of stick out, moisture in flux coating of stored wire and voltage also apply to that kind of wire? My problem lately is I get started, seem to be running ok and arc just stops and wire is burned right at tip and/or piece of slag/spatter on the tip. Cleaning or replacing tip lasts a little while only to get problem again. Is my stickout insufficient? If I try increased wire speed I start to feel bumping, I have my heat on maximum setting, 0.035 wire, clean mild 1/4 steel Generally speaking I have been finding fish eyes (porosity) very frequently.
Thank you so much this was extremely helpful! You are the man
Good video m8 from Andre , Perth Australia. Simple but informational shit i appreciate it and i like your no bs just good person and well presented video, TY :)
Finally an explanation, much obliged
Great Video, At the end, in UK we call that 'Gurning'
Hi, excellent video.
I’m having this problem un my house shop. I am self learned welding and I knew electrode rods go bad with moisture. However, i never thought that the core of a wire would go bad because of the same.
How should I store properly a spool of electrode? I don’t weld every day to not have the storage problem.
Thanks man! Big help, just bought a active8 came with some outershield and I’m getting this, wire looks like it’s been in storage to long
Excellent video. Thx
Hopefully u guys try a NR-232 .072 Fluxcore video on the same perosity and ring worm etc. Keep up the awesome welding and info guys.
I have a question. MIG torches all use a similar sized nozzle. Since the arc length/stick out for dual shield is so long and the amount of shielding gas is so high, would a larger diameter nozzle aid shielding gas coverage as it does in TIG? With the wire being hot, developing a diffuser may be an issue. Just wondering.
Wow this is best information
Excellent video. Thanks for sharing!
Weldtest Services LLC thanks man.
You're very welcome.Thanks for the support
Awesome thanks for your videos
Those are some extremely useful information thanks for the information is power
Thanks for this video,
I was wondering if you guys could do a instructional video on 232 or core 8 plate test 4g
My school has nothing but contaminated fluxcore and one day its welds decent on the same setting then a new spool runs like crap. Then I found how long its neen sitting there.
Sure explained why I have had issues...thanks for great information....
Paul Brown glad we could help out.
That's why we're here 🍻 Thanks for watching
Excellent video!
Thanks Scott 🍻
Good job
Thanks for the video guys ... just got back on FCAW this morning for practice for my test this afternoon and i had 2 or 3 passes with wormhole so i was wondering why. I probably had a wrong contact-tip-to-work distance. Thanks and have a nice day guys
You're welcome 🍻 Thanks for supporting the channel.
Bro I've been fitting and welding for 16 yrs.I usually fit, but I've always hated flux core because I would always randomly catch porosity.i would of never thought it was from the tip being so close.it makes a lot of sense because I'm on some heavy wall pipe right now I haven't capped one pipe without getting porocity
Thanks info!
Very helpful thank you sir
I don't know who you are, new guy, but you teach well.
Mark Lowry thanks for the support. Stay tuned. There’s more coming.
Great advice 👍🏻
This is very helpful. I'm learning Flux core right now and there was no explanation from the instructor as to what those even were let alone how to prevent or repair them. 🤷♀️🤦♀️
Good video, weve tried everything to get rid of this type of porosity, and just cannot do it, one weld will be perfect, the next riddled with worm tracks, same machine, settings stick out, same prep. we do run the old transformer/rectifier machines, so we may try a different gas/mix, any ideas? thanks
I usually run 25v with 300wfs on our fronts machine. when you said about the settings I called bs but man that's a nice bead!
I agree. Ive run 31v and 550 on vertical butt welds 3/4” thick. Flat I’ll go up to 36v and 700. Match wire speed to voltage, along with travel speed. If the work will handle the heat then turn it up and go baby go
are those 1/2" coupons? if so what would you use for 1/4" on your machine and gas settings?
I have a gasless welder what should be the correct wire i should be using and should i check to see if the polarity is set right.
I love how you say to always follow the manufacturer's guidelines. Where I work now I'm using select arc 1/16th diameter wire. Everyone else runs it around 204 to 2:20 wire feed speed they say I'm putting too much heat in the metal. When I show the foreman the manufacturer specs he said I don't care what you see on the damn internet we've got our own procedures
I run 1/16 Lincoln 71M, doing full pens I sometimes run the wire at 280-300 ipm and it comes out good with the voltage at 27.3-27.8
That esab rebel is a beautiful machine
Im using selectarc 309 and 317L- AP flux core for stainless steel. I keep getting "wagon tracks" and some pin hole. Flux is cleaned off, and no matter what the stick out i keep having the problem. Our wire is stored in a temperature and humidity controlled room, as we build pressure vessels for oil companies. Im laying overlay on top of carbon as the inside of the vessel is stainless clad. TMI aside, i have a hard time with appearance also with this type of wire. Perhaps you could do another video on stainless with a similar wire in a horizontal or vertical position? Sorry for the ramble.
If a roll of dual shield absorbs moisture, can It be dried in an oven similar to 7018 stick rods?
Does worm hole porosity really affect the strength of the weld though there a 3/32 of an inch deep which is very shallow
Also check gas pressure. A lot of slight tweaks help
Great video! I think your gas is set too high though. I find too much gas has an adverse effect and can also cause worm tracks.
What was the video called that you were talking about in the beginning.
One thing I would like to add is that if you are welding with old dual shield flux cored wire and you put the weldment in the "vertical up" position, you will almost never get wormhole porosity as often as in the flat position. , if you are able to move the weldment into that position of course.
If we know there is an electrode that may have absorbed humidity, is there a way to “re-condition” the spool? Is package material (unopened) good enough for long time store? Sticks may be easier just “cook” them in an oven, what about flux-cored. In some counties we may not be eable to purchase from fast rolling inventory.
Wow. I keep my wire on my MIG in my shed with very high exposure to the elements. Humidity, cold etc. No wonder my welds looks like crap lately after returning to it after a few years.
What about trash wire, can we do termal heat to fix it? Or Throw into garbage?
Can u do this for stick welding
Best tips!
I’ve also have had wormhole porosity using metal core! Multiple times! In a brand new box of wire! , so how I have fixed that is use a paper clip and a lil peace of scotch cloth on my wire just be before the drive roles!
They actually sell something for that to help clean the wire right before the rollers. They're call lube pads. Check em out.
So ive got a question.??
I need to weld a stack of slabs together up right between 2 horizontal peices. So my dementions are ... 8" wide x 2.75" thick x 8" tall on the uprights. Top plate is 8"×2.75"×36" laid horizontally. The bottom plate is 8"×2.75"×12" laid horizontally at a 90deg angle to top plate.
Each upright will be welded as close to 100% to top plate as possible via a slight slope cut then fill in w weld. Then welded to bottom plate around the perimeter. The next upright will be clamped as tight as possible to the 1st and welded as per 1st and welded down each side top to bottom. Repeat until 8 plates are welded on 36 in top plate and 3piece bottom plate forming as close to a monolithic stack as possible given the construction.
This will bear no weight nor be mobil. After the 2nd top plate is welded on its sole purpose will be to sit on a stand and have hot metal shaped on it w a 2.5lb to 8lb hammer. So yes im building an anvil in the range of 750lbs if i figure my weights right. The metal is 4140ish or 15hb5mn.
So my question is using stick welder..
should i use 6010/11/13 or 7014/18 1/8-5/32 rods???
Already know ive to rose bud steel to dull red at least and insulation wrap during cooling or the steel crystallizes from rapid cooling and improper preheat. It is used industrial forklift forks from john deere 644 loaders so we know its not mild steel.
Sorry for long post but idk how else to provide complete information.
Id forge weld it but thats one helluva fire and weights 1 man cant handle lmbo lmbo
🙏Blessings to yall now
Crawford out
Now i know there may be question to why. Well the metal was free/ gifted bout 5000lbs worth. The welder is only one ive access to stick only. So my only cost is electrodes and fuel for the torch...and the consumables discs n flap disks n what not.
Next off to purchase a factory built anvil in the exact shape and size will run me $12,000 range shipped from the factory in germany/eastonia, overseas shipping is a bear.
According to my estimations its going to take about 7/800 rods.
Figure it oughta out last my great grand childrens grand children lmbo
I run 25.6 and 380 perfect
Great video.
The problem I seem to have is on occasion I get what I call tiny bubbles in the very top of my welds. Welding with E71-T1, FCAW.116, looks like someone took a centerpunch and just pinged the Hell out of it. I'm thinking too much voltage. Any ideas on what's causing and how to prevent it?
I’m guessing you’re running vertical. The tiny bubbles you are describing are called clustered porosity. From my experience a lot of people tilt their wrist back while going vertical. This can cause a longer stick out and cause porosity at the top. Keep the wire pointed straight in, or slightly down (about 5°) and drag the wire up the joint. Pause at the top to fill in any crater and that should fix your problem.
Use tri gas co2 argon helium, super yummy spray
Would you recommend vac-packing spools and electrodes?
I do if I know I won't be using them quickly
So nice bro
Electrode storage...whatever wire I'm using, when I finish ...I just put it in the bag and box it came in...
Thanks great video always wanted to know why worm tracks came out stick to close or bad wire. I have been welding for 20 years.Mostly metal core,RMD root 100% X-RAY , TIG.
Can you have 232 all position and D18 videos please thanks 🙏🏽.
I’m a ironworker welder 👨🏽🏭 local 155.
That selectarc 730 is the absolute best dual shield wire I have ever ran. Hands down.
It took some effort to pull out any wormhole porosity at all. So much so, we almost had to scrap the video. Excellent wire 💯👌
Weld.com I got a roll after the last video using that wire, been using it a while now. Had some direct communication with the selectarc folks, great people, very will to help people solve their problems. I'd encourage anyone interested to call them, find a distributor and get some of that wire. Thanks for making the video. Very clear and concise. Good instruction on the fundamentals of dual shield wire welding....and you have a pretty badass beard.
Give Euctectic wire a try, you'll never turn back!
@@buildalifeworthliving4551 the last time I bought some Eutectic rods they hammered me on shipping. I mean hammered me! After a long discussion with my salesman about the price per pound and he blasts me with shipping that ruins the whole deal.
But I’d like to try some!
They make ovens for wire also if the rolls are metal you can and are meant to be rebaked just like 7018
I like flux core wire but throw spool after spool out because the shelf life has expired.. 71m nr232/ nr233 🗑😞
But, I like Worm Holes, how else am I to travel through Space.............lol
Lol
How else do you get fast travel speed.
watching too much Stargate 😁
Wormholes in space: good. Wormholes in your welds:not so good. 😀
Dude, you need your flux capacitor tuned to the right frequency to maintain wormhole equilibrium.
Unappealing looks to you but it might look good to a chicken?? Thanks for sharing your knowledge. Billy in Canada
You're very welcome Billy 🍻
How do you properly store dual shield wire then?
Realized my gas wasn't on! I suck a little less now. Thanks!
I'm not a big time welder. A little torch welding here and there. So excuse my ignorance. But does the porosity affect seriously the strength of the weld? Just was thinking of the wire waste. Thanks
A weld with a bunch of little holes in it or a weld of solid steel. You dont know which to choose?
@@clevelandmortician3887 Sure,, I understand. I'm asking as to how much stronger or weaker is the bond. The bond is as important as slight porosity. As I looked at his weld chain, the porosity didn't look that serious. Compared to throwing away half a spool or more of wire, because you stored it in a more humid environment? That's all I was asking. Like I said, I have never worked with mig or tig, so all I'm familiar with is oxyacetylene torch welding, brazing etc.
@@peterford9369 throw away the half spool of wire
Gimme All Your Lovin was still my favorite song that you guys did!