thank you i learned today 53 yrs young

Your flow meter info is very interesting. I'm good at conserving but I didn't know this. I will try this soon. If people listen you have saved the world some gas. Thank you very much. I've welded for 40 yrs and I try to keep the flow as low as will get the job done but looks like I could have done better.

35:55 you nail it, explaining WHY wire feed speed affects amperage.

Hey Trev! You saved me some money on Argon. I took your advice along with some additional information on a welding blog regarding flow meter and regulator set up. In addition to your advice for adding a flow meter and running it wide open with my regulator at the tank controlling flow, I modified my flow meter fittings to attach it directly to the back of the welder's intake port. I also swapped out my long somewhat flexible hose with a short piece of much stiffer walled gas supply hose. This prevents excess gas pressure building up in the hose and drastically minimized the sudden surge of Argon with each trigger pull. Thanks mate!

blessings i am from Barbados i do enjoy your videos you have lots of knowledge i do learn a lot from you when i watch the videos

Great instruction about a very hard to explain topic. Taking time to explain in detail provides credibility to your skills and experience. I couldn’t help but think you were sounding like your description of your dad with attention to detail!!

A 0,6 mm wire is just 56% of a 0,8 mm wire, so the difference is quite substantial. Thank you, Trev, for great videos on how to set up a mig welder!

Only taken me 60 odd years to complete my basic education (I'm 66) so thanks Trev - you could always make a living going into schools to teach really useful stuff to improve life skills and knowledge !

Trev I have watched each of these videos and must say that they have given me a much better understanding of the mig process. I will be watching the series again so that the information sinks in.

Frillient Trev... I will rewatch this when sober. Love ya.

I had an uncle like you. He also had a kind and loving way of showing you that you really didn’t know nearly as much as you thought you did. Very humbling. Even though I do this for a living, and I would love the opportunity to spend an afternoon with you as I think it would be very informative and entertaining, I think that if you showed up at my shop, I would lock the door and pretend that I lost the key. If we went in, I would only embarrass myself. Thanks again for the great videos.

there ain't no way to learn welding without melting metal. i love your outlook and lessons

Love the use of potential when talking about voltage and electric fence. Great current and voltage descriptions.

Thanks fella about the flow meter and regular set up. I set mine up the wrong way as you first described getting a burst of gas. Now I've set my regular and flow meter as you have. And also wire tension. Top tips helping us newbies out. Stay safe. 👍

Just wanted to say thanks, as a self learned welder, stainless tig at work and mig at home restoring cars (mainly triumph spitfires) . Especially slowing wire speed down and turning the gas down has helped

Wow Trev, you have excelled today. Bucket loads of information in a very understandable format, I am sure that viewers will have a better understanding from this which will help them be better welders. Play with the settings on some scrap and find out what your own welder is capable of and don’t be scared to mess up. You only have to get up one more time than falling down to be successful! Thank you.

I'll be damned... all this time I've been struggling with that first arc strike and now I know why! That initial purge of gas has been the culprit this entire time! Thank you thank you thank you!

Very well explained Mr Trev

Trev you truly have a gift for teaching. Can’t wait to use what you have shared. I have been using way too much gas and really been cranking down on the wire guide. I will get those sorted first. Thank you.

I’ve had the problem with a large surge in gas and now I’ve seen how to sort it many thanks trev 👍👍👍

Clear and concise as always. Love the examples and explanations.

I just bought a flow-meter from R-tech, great value. I should've re-watched this video before I started using it though, as I just went through a 10L bottle of argon in 2 days 🤣 Oh well, off for a refill tomorrow...

Thanks for explaining things in a way that makes sense and I can understand. Now I have to go and buy one of your hammers.

Thanks Trev, very useful. Great that someone with so much knowledge can still relate back to us beginners. I've suffered a lot of the problems you've discussed, good to know I'm not the only one and thanks for explaining different options and solutions.

Great vid Trev again alot of informacion regarding welding will help a lot of people who have difficulty on setup rather than welding if your setup is right your welding will be better. Great

Sweet idea. Makes such a huge improvement. Thanks.

Blimey, every-time I watch your vids I take away so many new tips...Thanks so much for sharing your incredible knowledge. I bought an R-Tech 180 on your recommendation...it is an amazing piece of kit. Cheers Trev.

As always, very interesting, that was for me a master class 👍👍

Brilliant vid Trev I am going to try to set up my new Bottle and regulator using these ideas so cheers for that. My Dad always farted at the dinner table, you didn't miss out trust me lol

Another fine Video Trev.. Good to see you. My very best to you and the family..

Cracking video trev, bought the books you recommended, excellent reads.

perfectly explained. I thought I already knew everything but still learned something

Really enjoyed this one, story about your father was really funny, well done

As my old welding instructor used to say.. "Welding isn't rocket science! Oh.. Wait.. It is!!" It's funny how many people don't understand that welding isn't just "gluing" metal together. there is actually fusion happening in the weld puddle and mixing and re-arranging of molecules within the weld material and the filler being added to get fusion. I am glad you took some time to break down for those that don't quite understand how it works. For those of us whom studied welding know there is a lot more to it and also the metallurgy behind it. Thanks for this video Trev! Hope you are doing well! Cheers!

explains the difference between 0.6 and 0.8 and im going to try 0.6mm with my rtech! thank you :D Im only doing car body work atm

Great explanation. I appreciate the lesson Trev.

Thanks Trev for the air explanation

Wow ! A very difficult subject well explained and demonstrated. I'm looking forwards to your shop opening. Best of luck with that. Trev's Blog stickers will be amongst my first order. Keep safe. M

Great video Trev. Nice touch with the flow meter. Another well explained and detailed explanation for us novices lol. Cheers, Jeff.

Brilliantly explained, thanks.

Brilliant Thanks Trev.

Love your videos trev. I too love fabrication and welding and although its not my trade, ive built some stunning cars and to nice standards. Your work is motivational and inspirational to me because your workmanship is the best and i always aspire to get better with everything i do. Learning to tig weld, as ive always used mig and found your tig series videos very helpful. P.s love the slideshow of photos at the end of your videos. I watch them through fully every time.

Excellent cheers Trev !

I have the R-Tech MIG 180 & their TIG 200 machines, excellent UK kit.

Hi Trevor, I was training two guys at Bicester Heritage two weeks ago and they were full of praise for yourself and I’ve got to say your doing a good job too, I just wanted to add a bit in regards to gas flow, I found using a pea shooter at the top of the shroud to be the best gas flow reading because it’s at the point of contact to the weld, we had a machine at CNWL which lost 7 LPM inside the machine for some reason, they are on eBay for about £5 (Argon Co2 Gas Flow Meter Peashooter). I’ve been teaching body repair for a while now and your always learning I find. Also carbon shrinking with the mig is also another handy trick to show the DIY guys, I show my guys on every course and I should put a another video together really, I used to get the students to record lessons for the guys that missed them but due to data protection I took lots down as students where in them. Keep up what your doing as it all helps to keep the skills alive!

Until recently I had a SIP 130T MIG Welder which died. I bought the RTECH 180 Same as yours and instantly got the problems you were facing with 0.6 wire. Glad to know its not me. Might have to change to 0.8 wire.

Good video thanks Trev👍

best explanations ever made simple..

Good video young man!

Thanks, learned a lot there.

Another great video Trev👊

Another great video. Well done Trev! Suggestion for future topic: beginners guide to aluminium welding. Have personal interest as I’ve got a Healey 3000 project and the front and rear aluminium shrouds need lots of repairs 👍

You would have made a great school teacher !

Remember the old phrase "its the volts that jolts ad the mills that kills" 😉

Thanks for explaining stick out welding thin metals, I seen this happening was not sure, allsow settings for flow metering.

Great tip about the wire feed tension adjustment to allow for slip as required - now I get it!

Brilliant trick with the flow meter, Trev. Mine arrives today. The flat tube in the gauge is a Bourdon tube. Named after the inventor I believe.

Another great video Trev :)

Great video. I think light bulbs might actually have argon in them rather than a vacuum. Probably easier to make that way and can use thinner glass. Voltage basically sets arc length. You want the MIG to keep that constant whatever you set the wire speed to so that's why they're constant voltage. With TIG (constant current) if you hold the tungsten further away the machine will increase the voltage. You don't want to do that but if you do it a bit by mistake it means the arc stays lit. If you are feeding more rod (manually since it's TIG) you will need a bit more current to melt the extra metal and you usually do that with the pedal. On thin stuff it often works well to actually press the pedal a bit more as you dip into the puddle.

nice,.

Thanks, I am trying to learn to weld thin metal for body work and I keep blowing holes because I am holding the gun too close to the work piece. Thank you!

Trev, this in an unrelated question, but I figured you'd have a good take on this. How do I know if I've sanded a panel good enough to remove the rust? Am I aiming to remove all the dark areas where the rust was or can that be painted over? I'm refinishing my truck bed floor and it's mainly surface rust, but once down to bare metal dark areas are still showing and don't seem like they will buff out easily. Love your videos, bar far one of the most informative channels on body work out there!

Very good video Trev ! Im mainly self taught and pretty much everything you’ve talked about with the mig set up in this video ive come to almost the same conclusion after many years of trial and error ! Ive always used 0.8 but not for any reason its just what my mig came with ... i do have one question, how often should the torch be changed ? Only reason i ask ive just bought a new torch after 25 years ! Im so surprised how well the welder works now !

Jesus Hanna you and Fitzee are my faves

I was taught the electrical way to work things out ,was I = V x R ohms law ,do you ever use compressed air to cool your welding ,or a copper bar behind ,when accessible of course ,good video once again Trev ,stay safe bud...

It is always best to check gas flow at the torch

Uk electric supply is 240 volts , but harmonised to 230 volts , ( European diktat ).. the welder has a transformer , this converts high voltage , low current to low voltage high current . Eg 240 volts 10 amps to 10 volts 240 amps .

Het Trev, enjoy you videos and have learned a lot from you! A couple of years ago you gave a shout out about a friend of yours that also does on sheetmetal work. He had a video that you recommended on how to make and install trunk drip rails. I haven''t been able to find it . Seems like his name started with a 'V'. Does this sound familiar to you? Thanks!!

Actually your garden hose example is a brilliant constant current example instead. Same ammount water flows independant of resistance of your thumb on the end. Meaning pressure goes up to maintain same flow through higher resistance. In wire welding the voltage is more or less constant and as you increase wire speed you shorten the arc and resistance so the current goes up instead.

OMG mine as well leanin on a HoRse Fence (next to the sign) until my shoes got too wet yowie

Hi Trev, Is there a particular reason that you use and 95/5 shielding gas versus the 75/25 that’s popular in North America?

Trev. Doing floor pans. Beautiful up top. Pop under to fill couple of pin holes grrrrrr welding upside down, globs, no crackle, adjusted welder up and down and all around. Have done good ones from time to time in the past but whatever I did was a fluke. Yukko. HELP HELP please do a vid.

Funny how the question "why you don't get electrocuted with the spot welder" came up. I have the exact same Mig machine, was doing quarter panel repair with no gloves as was doing spot welds kept getting a small amount of current buzzing through my hand of the bare panel, same feeling as sticking your tongue on a 9V battery. Noticed the earth lead had came loose from the machine but still attached just resting in the socket, was this the cause or perhaps moisture in the air as i weld outside 🙄 was oddity that's for sure. Not felt it again

Love you Trev and the videos but this made me fall asleep with dribble down my chin 🤤

Hey you need to watch The Bank Job, 2008 maybe you have already but your van is in it. It is a Jason Statham flick so check it out. I hope you are keeping it real in a COVIDIOT WORLD!

Mechanical gauges are only accurate at the center third of there reading. You need are smaller reading gauge for more accuracy.

Trev, my mig has voltage and amps, would the amps be also wire feed speed as there is a wire feed switch for high and low speed, depending on wire size??

do have video how to fabricate a trunk floor ?

Trev you are ansvering the questions I did’nt even think to ask, your’e amazing, I learn a lot from you. Absolutely bl*** brilliant. Thanks a million. I have just bought a TIG welder, would you fit a flow meter to this as well? If so, I would buy two. I see now that I have used much to much gas on my MIG welder.

My mig welder has an amps setting and meter as well as a voltage meter strangely enough.

My friend Trev, how ican can get a hammer..?

I cannot find a flow meter with a pressure regulator in line anywhere in the former US of A!

I understand Ron is wearing a Trev's blog t shirt.

Trev, simply love your fabrication videos. I don't know if you know about Fitzee. He does things a bit different. I feel you can never have too much knowledge on a subject, especially when there are so many variables. His main tools are the MIG welder, a cutoff wheel, marker and scribe, and of course body hammer. His method of installing patch panels is to cut both new and old rusted out section at the same time angling the cutoff wheel at 45 degrees. There is a lot more to it than this simple explanation. I will put a link to one of his videos showing how he fabricates and installs. Like you, he makes do with what is available, thinking things out prior to cutting and welding. This is part 1. kzfaq.info/get/bejne/d-CVrZaLvriUY5c.html

Yeah I think?

Trev. My understanding is the opposite of what you said. 1 set the regulator to control the pressure. And 2 the flow meter to ... control the "flow"

Go ahead and touch it again son, but this time no farting. LOL! I really enjoy watching your videos, but they are a bit lengthy.

B

.8mm nearly 80% greater mass than .6mm

BRASIL |°o\O/o°|

re the flow meters... A man that has a watch or a clock knows the time, a man that has both a clock AND a watch is never sure which is correct.

Re the gas and the differences in regs - you will never, ever get consistency between cheap brand (which face it, the ones shown all are!!) regs..... Never mind setting the flow rate of gas by the reg/flowmeter that shows what's coming out of the CYLINDER (not bottle), use a pea shooter flow gauge at the nozzle end to get a true reading of gas flow.... cheap as chips (even from the major players - message me privately and I'll send you one gratis ffs!!)..... Thin materials don't necessarily require huge shielding coverage but they do require adequate shielding..... 6ltrs a min is too low..... you need around 10/12ltr min to gain proper coverage/integrity...... Re composition of the shielding gas - you're wasting money for what you do....you're not gonna spray so why use that high an argon blend?? Above 82% is required for effective spray transfer, which the gas shown is.... but you don't do that so why waste money?? Take it from a Yorkshireman - pissing in the wind lad!! You use small cylinders - waste of money!! While you may see a large cylinder as expensive to initially buy/rent, you're overlooking the costs in the long run - larger cylinder, more gas - one rental cost, greater capacity...... Same for pure Argon, just more expensive to do..... You're a body panel guy, I get that - sheet metalwork etc.... me, a welder - working for probably the biggest global player (based here in the UK too) producing quality welding equipment.... I'm nearly 60 been welding since school on and off..... Trust me everyday is a school day... I learn, you learn, we all learn..... Not pulling you down Trev, just attempting to shine a light...... Any assistance just shout man... not got all the answers but can certainly ask...... Message me, honestly we (company I work for) support some huge KZfaq creators globally..... there's one of our guys in your area too.... Peace

You talk inches a lot verses metric I wood have thought uk was metric.