CUTTING TORCH BASICS (SECRET TO A CLEAN CUT EVERY SINGLE TIME)
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- čas přidán 27. 01. 2022
- In the video, I wanted to go over torch cutting basics including the best tip or secret on how to make a clean cut each time you use your welding cutting torch!
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My acetylene bottle is standing up. If you lay your acetylene bottle down, make sure and stand up up for at least 45 mins before you turn it on and start cutting.
GOOGLE:
Why is acetylene cylinder filled with porous materials?
Acetylene gas is mixed in liquid acetone for safe storage and usage. Acetone in acetylene cylinders helps stabilize the gas making it non-reactive within the cylinder. ... The cylinder is then filled with porous material like firebrick. This keeps the acetylene in liquid form making it easier to transport the cylinders.
@@fraterjr it holds porous material due to its volatility but if your bottle has been on its side for over 2 hours then as Austin stated it much stand up for ATLEAST 45 minutes to help the acetone settle.
Acetylene is a volatile gas and Oxygen is an excellerant
@@WardWeldz You’re spot on regarding acetylene.
Remember oxygen is an oxidizer. In the video Austin says it is flammable, technically this is incorrect but the reaction to an existing fire when an oxidizer is added is such that well your term, accelerant, paints the perfect picture. Oxidizers can be a little peculiar and are given their own classification pertaining to their storage, transportation, use but to keep things simple they could be thought of and should be treated as if they’re flammables.
What gloves are you wearing in this video Austin?
gravity keeps the acetone near the bottom of the tank. If the tank is used on the side you will burn off acetone and the pressure of the acetylene tank will rise beyond the normal tank pressure!
I've watched several CZcams welding channels looking for exactly what I have found here. Your presentation is on point, no goofy jokes, no profanity, excellent camera work, great Play by Play. WHAT A RESOURCE FOR A ROOKIE! Thankyou so much for taking the time to do such a great job!
You're getting into the wrong profession if you don't want to hear profanity...
@bigrichard660 if you aren't aggravated, as in you just got burned, there's no reason for profanity.
All bottle are to be opened all the way open. The design of the packing are made to operate all the way open or closed
Bottles are to be f acing up when transported or used as per OSHA.
Can't tell you how long I've been looking for a video that covered a good, strong set of basics for cutting in a straight forward, clear manner without going off the rails and stuck in the muck on one topic. Thank you.
Pleasure is all mine!
So I was reading the comments about using acetylene tanks laying down. My Dad has done this for years and I have too from time to time found the need to throw the tanks on the back of the truck and run out on the farm somewhere and fix something. Then I realized what a wonderful tool CZcams is and if you have a question, someone has already asked it. So I looked up what's inside an acetylene tank. After several videos and a few thanks to the Boss upstairs for not letting me blow myself up, I'm smarter now than an hour ago. You can bet your backside I will never hook a regulator to another acetylene tank laying down. It's not designed for it.
Always point your fuel up for the lord ☝
I'd like to hear from you why you didn't know? I've encountered so many people who seem never to have had formal training, and expected me to put up with them being a hazard to me, others, themselves, and the building... Acetylene on its side, no flashback arrestors, acetylene pressure far too high (unnecessarily high) over 14psi, a pressure beyond which acetylene can become unstable, decompose, They don't have a plan to deal with a cylinder that's been overheated, they don't realise that acetylene and copper or silver can form explosive compounds... copper / silver acetylide, that fixed oxygen pipes, though you can fabricate them from copper, you'd best not use silver solder, and you'd best double degrease them before use... (oil + oxygen = bad) and so on. And then, when they cut, the cut's RAF (rough as...) so needs a lot of grinding time... With my track cutter, I could cut within, perhaps 10 thou of size, and just flick the sanding disc over for a satisfactory finish, no wasted time. Other guys? their cutting was truly awful.
Right nozzle, right pressures, right flame character, right flame relationship to plate, right speed... Nice job... Some guys see O/A as a demolition tool... They're wrong...
@@robertlawson8572 You guessed it in the first five seconds. No formal training. I was taught by my Dad, who will tell you that he has had no formal training. You either learn by going to school or experience. And CZcams of course.
@@bigchuckyinkentucky6267 Thanks for your honest reply. I had a long reply largely drafted, but it disappeared... So, a short one must do... In military service, I asked a fellow corporal in a different trade (he was a joiner) what his medal was for...
The story he told was fascinating. Serving in Singapore, a junior rank came to him (the nearest NCO to where the junior was working) in a panic, having realised his acetylene cylinder was heating up... (the contents were decomposing) for whatever reason. The Joiner had no idea what to do, the junior rank knew, but was afraid. The corporal performed all he actions the junior rank told him were necessary.
Shut the plant down, remove the regulators, discard the Oxy cylinder to minimise weight, get the acetylene cylinder on its trolley, into the open, ideally 200 yards from any buildings, open the acetylene spindle valve to let the gas escape to atmosphere and either spray with water or immerse the cylinder in water. Never use a jet of water, you may topple the cylinder, it may roll in a direction you'd prefer it not to..., and, horizontal, with an open valve, the acetone in which the acetylene's dissolved, escapes...
Anyway, the Joiner saved the day, and was decorated for it...
I told him that, since my early teens, I'd viewed welding plant with respect, because, when a local car repair garage had a fire, (in the mid 60s) the explosion of the acetylene cylinder had been spectacularly noisy, and caused considerable damage to the building. And when I trained in the use of O/A I understood better what I was dealing with... A potential bomb...
I said I thought he was brave, and deserved the medal (Queen's Commendation) He said he'd just have evacuated the area, had he known the possible results... Modest?
The only problem with laying the tank on its side is you get liquid fuel instead of gas! You won’t blow up or catch fire you’ll just get a big flame that won’t cut!
Many years ago I made my living as a welder. I appreciate your videos now because it reminds me of what I had forgotten over the years, and provides new ideas I wish I would have known back then. Thank You Austin!
Absolutely fabulous video. Haven't welded in years and needed a refresher and yours was absolutely the best I've seen.
I’m a professional structural welder and I still learned a few things, thanks for making this video Austin!
Im a professional structural inspector, nice to meet y’all.
@@alexandrorodriguez9453Im a professional structural welding engineer it's even nicer to meet y'all.
Being a 21 year veteran of the welding industry, I do enjoy your videos
I was taught many years ago that high pressure bottles (oxy, etc) need to be open all the way and back seat the valve to prevent it from leaking at the stem, and only turn on low pressure bottles enough for gas flow in case something happens you can quickly turn it off. Thanks for another great video
@Deryk Lilley The valve on a oxygen tank is double seated.
My college instructor also said to backseat the oxy tank Valve. However, as a diesel mechanic, most of my torch work is small or quick jobs and loss from a small leak is negligible if any, i usually open it about a full turn and i get all the oxy my torch will use.
all you people arguing over whether O bottles are double-seated: you can look it up. It's an industry standard. There are no variations from this standard in the USA. GO LOOK IT UP. LEARN HOW TO SEARCH THE WEB. STOP SPREADING MISINFORMATION.
@@railgap I’m not arguing, I’m saying what I was taught
@Deryk Lilley I’m in welding school and you open the oxygen and acetylene cylinders all the way
My dad taught me about sixty years ago that the main oxy valve is the on/off valve. The oxy valve on the cutting head is used to adjust the mixture of the flame. When lighting the torch after it has been adjusted ,you only have to adjust the acetylene valve to a neutral flame and your flame is the same size as it was before you shut it off.
Your dad sounds dangerous. Prolly fun guy
Maybe chemistry works differently across the Atlantic?
Set your O&A pressures to the torch manufacturer's recommendations. Light the acetylene, set the acetylene flow to render the flame soot free. Adjust the oxygen to get a neutral flame for cutting. Check that when you apply the cutting oxygen, that doesn't radically change your flame's characteristics. When your nozzle heats up in use, you may have to correct your flame adjustment...
If you're lucky, doing bench work, and have the torch connected via a gas economiser, you won't be obliged to adjust your flame characterisics every time you light up, but you must keep an eye on them...
My instructor, 50+ years ago, when flashback arrestors were neither obligatory, nor necessarily as good as today's versions, dashed up to me when my torch (I'd contaminated the nozzle) was backfiring like a machine gun, and told me "clean that nozzle, and start again" and "If it happens again, as a safety measure, try and catch me..." Only half joking, I think...
Good morning Austin, thanks for the great information you shared with us on this cutting torch basics video. It is something to keep available when you don't use the torch very often. Appreciate your channel. Fred.
Thanks, helpful. Made my first cut today. Retired 70.
BEGINNERS MAY NOT FLOW ACETYLENE ENOUGH! TOO LITTLE ACETLYENE GIVES REPEATED SNAPS! POPS, CRACKLES. CLOSE THE FUEL, THEN O2 AND BEGIN AGAIN. FLOOR MAT ALUMINUM CASTERS.....SOOT 100% THEIR DIES AND ALSO BITD GM TORNADO STEEL STEERING CASTINGS DIES WERE WATER COOLED, AND SOOTED BEFORE FILLING WITH 2800*F STEEL.
so awesome that we are able to learn from the best through this platform no matter where in the world we are! thank you for making these videos, you're the best!!
At 72 I still learn something every day. Now I'm going in the shop to twist my hoses and clean my tips. Thank you.
I’m 72 and still learning, when I taught basic welding to adults my oldest student was 80.
This video was outstanding! You explained every aspect of the acetylene torch. Now I'm in the mood to go around cutting everything in half.
Thanks Mr Ross. I enjoyed this video. You talked about the blue small flames not changing when the trigger was pressed. That solved a problem I was having cutting. Thanks.
Austin, been watching your channel for a few years, love to see it grow as time goes on!
Been using MIG/TIG welders and oxy/ace torches for a good many years. I think alot of folks get comfortable and should consider coming back to watch the basics. Thats why Im watching. Just to get back to the 101 and maybe a few tips that resonate.
Austin, I am also a retired USAF crew chief (mechanic) on F-4, A-7 and F-16 fighters. I have been welding for about 40 years and am sort of self taught, the guys in the welding shop on my base let me use their MIG and TIG welders and were teaching me things until I got hurt and was retired. I found your video this morning at 0430 and was very impressed with your teaching methods. I tried to take some courses at my local college where I am an instructor and the welding instructor told me they now pretty much teach CNC and automatic welding and I didn't see that helping me. I subscribed and learned a lot from your torch teaching. THANKS!
h0ó😊😮😮😮😢
Ross, probably one of the best introduction for those without a great knowledge of welding and torchs.
Great information! There are a couple of things to consider also.
1) hauling and handling bottles should always be vertical, and with caps on. If the valve should be knocked off of a full high pressure bottle, it becomes a rocket that will go through walls, etc. One actually went through a car fender and imbedded in an engine block.
2) please discuss single versus 2 stage regulators. Single ones are far more difficult to control pressures than the 2 stage ones. Irregular flames make continual readjustment on single stage ones. 2 stage ones cost a little more, but are worth it.
I taught welding for years at the college level. I like the way you speak it's a you have a nice tone and very easy to listen to brother! I usually taught welding and cutting with the oxy acetylene torch before I went into stick welding or flux core or metal core or Tig welding...
I really appreciate how detailed your explanations are on why you do things the way you do. It helps me understand not just how, but why you do it your way. Thank You.
Great presentation Austin. My 1st time learning about this stuff, I was in my 1st year of high school, plumbing and heating shop at west side Vocational technical school , I was only 13 years old, RIP to Mr. Ron Koloski my instructor
Thank you for going over this! I’ve gotten pretty good cutting and welding but I didn’t know that sound is what your looking for after you clean your tip, so thanks again! This will just make me that much better.
You bet! Thank you for watching!
I still don't know that it is. Should sound smoother than that. And 10 psi seems very high for a single aught. Good basics video though overall...
Very clear and concise - easy to understand presentation. Great job!!!
I started out pipe welding in a shop for brown and root...never did to much field welding...til later and I learned some pipe fitting OJT..I learned that as a Welder it was better to fit your own up and not get a good fit up ..from a bad fitter! I find your videos very informative keep up the good work cheers
As a fitter i can honestly say good welders fit their own pipe. Fitters design measure draw everything but a good welder knows what they want for gaps and also how to handle the draws and how to roll flanges way better than any basic fitter can
Keep the videos coming I love watching them time to time cuz I might learn a new trick you know I'm been out in the field for a long time thank you so much
Thank you for making this video, it has alot of useful information for someone starting off 👍🏽 I enjoy your videos. Watching from Woodlands, Tx
i have watched several of your videos and i really like the advice you give new welders.
Hey brother thank you for the video I had a bad experience with a house fire as a young boy so I'm timid on the Torch. But I think you set me the right way
Typically your O2 valve requires that it be al the way open to flow properly (I forget what that style is called) and the ace tank has a different style of valve and it can be partially open and still work properly. Opening an ace tank 1/2 to 1 turn will let you shut it off quickly in case your flashback arrester fails and you need to cut that tank fast. This video is fantastic by the way! I love y’all’s stuff!
It’s called a double seated valve
@@Kevin-is-here that's what I was also taught and it should be all the way open for safety. Maybe different models exist that can handle the O2 pressure safely now. Idk
Back seat valve
Thanks for the brilliant information on torches, your videos are very interesting and informative
I was taught that the ratio of oxygen
To acetylene is roughly 6 lbs.oxygen to 1lb.acetylene, works great...really enjoy your videos, thanks.
Because trades are rarely taught in public schools anymore, Austin is more valuable than he may realize. Thank you.
Thank you so much I started my welding class 4 days ago and was having a interesting time with getting a clean cut
Welcome to the trade. I just retired after 45 years. I spent the last 30 repairing rolloff boxes for the trash industry. Never ran out of work.
Some of the best advice iv had about cleaning up a bad tip is to SLIGHTLY bevel the holes and to keep the tip concave (that’s why the end of the file included the the tip cleaner is curved) I also keep a small brass brush on me while cutting and use it every time I turn the torch off. Iv had the same tip on this torch for almost 3 years, sounds like a jet and shoots about 4’ of flame. Also I run my 00 tip at 7-21 on my regulators
Very well demonstrated and stated. You do a nice job of showing correct and incorrect conditions and that is absolutely worth showing. Well done.
When I first started out I used a small local welding supply down here in southeast Texas which was fine as long as I was only working down here, then I had to go up to PA,NY and Ohio area and had to lease from Airgas as I couldn’t get my bottles refilled, I’m glad you said that man maybe that’ll save someone else the headache of having to learn that lesson the hard way like I did. Also put a tracker on your truck, my whole rig got stolen in San Antonio from the Hilton hotel at about 4am. The cops found my truck stripped about 3 miles from the job site, so do yourself a favor and put a tracker on your truck and keep records of all of your equipment
Man that sucks about your truck!
I have a cousin that used to run a rig welder while building his own business to the incredible fabrication and welding shop that it is now. One story I remember was one day he had to drive his welding rig to the DFW metroplex to take care of some business where he would have to leave his truck out of site for about an hour. As he approached the parking lot he noticed a beggar on a corner. He offered a deal with this beggar, paid him 20 bucks on the spot and said if you’ll watch my truck and when I get back nothing is missing and you’re still here I’ll pay you another 20. Worked out well for both of them, I believe similar out of the box thinking is what has aided in his success.
I never thought about a quick connect for torch. That's a really handy idea. Thanks for the info.
Many thanks for your videos. They’re very informative and beneficial for an up and comer welder. Keep’em coming hoss.
Watched your video on touch’s and found it most helpful with information that I didn’t know. Thanks for sharing your knowledge.
Wow.. thanks Austin.. I’ve been looking into buy a torch set but not sure where to start.. not alone how to run a torch lol..
very useful information.. thanks for your time
Good video! For clarification: Oxygen is not flammable at all, it is an Oxidizer so it makes fuels/things that do burn, burn more readily or with greater intensity due to the presence of more oxygen than is normally present in the atmosphere. I like your recommendation for cleaning the tips. 👍
You are a great teacher. This old man learned something today. Good stuff
Great Content As Always! You Are Humble & Knowlegable! One thing you may have forgotten here is that You always keep your acetylene tank upright as there is liquid gas inside, but quite handy for oxygen tanks, Co2 or C25, Argon etc to be laying down for easy swap out and space saving.
Amen on the coffee - you are now my favorite CZcamsr !!
The best video for beginners like me! Thank you bro!
You made a video on my recommendation. Learned a lot! Thanks.
Having been a welder on pipeline you have to be really good. My hat is off to you sir!
Very thorough and well presented. Thanks!
Hey Austin, Mark from Texas here. THANK YOU for your torch cutting basics. You da Man! Thank you again
Thanks for stating that the acetylene bottle should be upright while using it, I learned in welding school back in the 70's that you should never let the bottle be less than a 45* angle. Less than 45* to horizontal is the danger zone. They could spontaneously explode if stored or transported in the "danger zone" . That's why welding rigs or trucks used to carry them upright or at a 45* angle...
Thank you for making this video Austin!!!!!
I’m taking welding class in high school right now. My teacher has a Lincoln plasma cutting table. It looks fancy.
As always, GREAT video bud! Can’t wait for the next one 👍🏻👍🏻
Very useful info! Thank you! I have a set of torches in my garage/shop. Here is a tip that I have found useful over the years to avoid yellow dingy guage plastic lens. Not sure how this will work in a mobile setting. Take a clear ziplock bag, and place it over both guages with the ziplock down. Make a hole in the ziplock bag just big enough for the adjustment screw. Close as much of the ziplock that you can at the bottom. The clear plastic guage lens will stay clean and clear and not yellowed for many years.
I have a torch competition at school tomorrow. I’m the only girl in the competition. I have to cut circles and straight lines freehand. Thank you for this video! It really helped!
By now, assuming you passed / won, and I hope you did, you'll have discovered that we generally use a guide (maybe a piece of angle iron) for straight lines, and a trammel of some sort for circles. freehand cutting (while admitting it's necessary for pipe prep) is a torture reserved for college...
One of my college test pieces was completed while shaking my right foot around trying to get some hot slag down into the toe away from flesh...
I enjoy your videos great job I have been a welder since 1974 keep up the good videos 👍👍
I always learn a lot from you videos thank you for sharing you knowledge
Alot of great information i learned from this video. Thank you. I enjoy all your vids!!
You bet! Thanks for watching!
Your videos are a good find for me. I have plenty of problems using my torch. Right now, I couldn't cut a straight line to save my life. I saw a video were this guy cut a line using a steel bar as a guide but his cut was what caught my eye. It was clean like he had used a plasma cutter or grinder. My 1st question is, is that because he had a perfect tip and strong flow of O & A? 2, do you have a video on cutting upto 1 inch thick steel? Thanks.
👍🏼👍🏼up🙏 just started classes on learn how to weld thank you for the good information you’re a good good teacher
Great explanation. I enjoy the channel. You offer a ton of great information. Keep it up.
excellent video. great detail and presentation. thanks!
I love the “coffee” part.
You got yourself a new subscriber
Thank you! We greatly appreciate your support!
thanks this was just what I was looking for in instruction and settings 👌
i am a beginner and this video just made me feel like a super pro! i'll take my coffee and practice a lot
Thanks great vid and very helpful. Re your pipeline welding, I was a pipeline welding inspector, great job and a great bunch of blokes. I may have certified some of your welds...nah I'm in the land of the desert dingo, take care. I must add, I have nothing but the greatest respect for pipeline welds, man can they go hard especially on butt rate!
Learned so much from you, thank you sir 👍
Mate! What a great informative video. Thank-you Austin.
Marty from Perth, Western Australia.
You are a great teacher
Great video , alot of valuable information , thank you for sharing , stay safe !
Austin your videos are great I done told you that what you need to do is get you the victor book so you can learn the the names of the parts such as duel splice, Farrell's oh and I hated the vice grip I used the hammer type but the book helped me a lot I took a course on victor torches and got certified so I could over hall my torch cause you can get the kit and do your self love ya big A
I have my own mobile welding business in California and let me tell you you help ALOT and teach a lot!
Just thank you, will use this this weekend!
Good Instructional Video Sir. I was also taught to shut off the fuel gas first, however you may want to check the manufactures recommendation. Few years ago most started publishing the opposite. Oxygen off first. AWS still says Fuel gas’s first, but most all manufacturers recommended the other way. It is related to limiting the carbon build up and flashback potential in the tip.
Keep up the good work.
Fine teaching on the basics I'm now a subscriber indeed . Need all the advice and teaching I can handle thanks
You bet! Thank you for the sub! And for watching!
Been 40 plus years since welding school.
Great video
Great video, I just tried cutting with a torch for first time. I did not do well. Your video told me what I was doing wrong. Pressures were wrong and probably a dirty tip.
Very good and thorough information, you must be a good welder, if you are as patient welding as you are with these videos, I too have been a welder, you should be a welding instructor, newbies would learn alot, thanks
Thanks Brother. Appreciate you sharing this. 👍
Thank you boss! Your a great teacher! Keep the hood down and making money! I gotta start my own rig! Been working for a guy making him millions!
I'm old timer you still learned the new tricks out in the field or on the iron beam as a ironworker I knew that trick a long time ago twist your hose together my dad taught me that track and then I've been using it been using it ever since and he also showed me that you use a strip of leather 4 ft long or longer that's wraps around the hose it keeps it from getting burned and cut while you're working to be extra safe even when you drag it it don't tear up your hose right there at the end with your cutting torch it's still attached but I tell you that trick everybody and Austin
I have always used the two valve torches and if there was only a 3 valve 1 I would use the plasma cutter. Today you taught me what the third valve is for. I didn't know that was just another OXY adjust valve. Now I will use it 😜🙂😜🙂 Sad thing is I have been a shop welder for 8 years. Never knew that and always to proud to ask. Thank you
Think you sir finally some one who knows what the hell they are talking about !! I subscribed because every thing else i found on here was mis information just starting to use cutting and welding equipment on my hobby ranch
Man, this is all golden buddy. Great info.
Austin - your a great guy;)
Thank you very much.
Excellent tips,thank you!
I enjoyed, and learned a lot with this video. Your oxygen tank valve is double seated, should be open all the way when using it. Many years ago I took a welding class for work and this was part of what they taught us, other wise you could lose oxygen at valve. You are a professional welder, and compared to you I'm a novice sorry if you think this is an insult, its not meant to be. Thanks.
Are you talking about back seated?
SCUBA DIVER, AIR STATION/COMPRESSERS, CASCADES. BACK SEAT THE O2! SNUG! BY BACK SEATING THE HIGH PRESSURE VALVE STEM IS RE-SEALED THE SAME AS IT IS WHEN THE HP SEAT IS WHEN IT IS OFF. MOST H/P VALVES ARE REBUILDABLE! FULL ON 02 AND SNUGGED OPEN.
tHANK YOU SO MUCH aUSTIN. yOU SHARED SOMETHING SO USEFUL AND VALUABLE FOR ME. I AM NEW TO THIS SO WAS WORTH THE TIME TO LISTEN AND VIEW YOUR VIDEO. SUBSCRIBED!
Pleasure is all mine! Thank you for subscribing!
Great video. Thank you!
Excellent video! I have a couple of suggestions, one is to recommend looking away from the regulator when you slowly crack the oxygen cylinder valve on and to definitely turn the cylinder valve all the way open. It’s alright to turn the oxygen valve fast to open once has been slowly opened. This is because regular gauges have been known to blow out when high pressure oxygen hits them and opening valve all the way lets it seal taking the pressure away from the valve stem packing. The other suggestion is to use and explain the term neutral, oxidizing and carburizing flames when you explain adjusting the flame at the torch tip. Just some tips I remember from when I use to teach basic welding to high school students and adults.
Also if someone goes to refill they’re tanks make sure to not lay down the new tank on the acetylene and then use it right away. Try to have it standing up. I was told because of the acetone used to absorb the acetylene into the tank can get into the neck and not be good. Also to never let the psi get over 15 on acetylene.
Austin you are awesome I watch all videos
Secondly am awelder but I have my brother in America he told me to watch your CZcams welding channels to improve my carrier so that he will look for me ajob in america that's my dream to improve my carrier abroad
Victor has a small chart showing what size tip to use for different material thicknesses along with recommended gas pressures.
Great video with some valuable info in it. Thanks!
I like the idea of twisting the hose I will try this.
Austin, really great video. Your explanations are very concise and easily understood. Great job and you have enlisted a new subscriber!!
Thank you for showing your support! And for the kind words!