🔥 Tips for Oxy-Fuel Cutting Radius Edges & Holes

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Опубликовано:

18 фев 2018

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Комментарии : 214

@jamesgulrich7416 6 лет назад

Excellent sound advice. When I was 11, my next door neighbor was building a dirt circle burner (stock car) out of a 55 chevy. I had watched my dad use his cutting torch, but he never let me touch his stuff. My neighbor handed me a torch, showed me how to use it, 5/20 and told me to cut everything off the car that wasn't needed. Starting with the inside of the trunk and worked my way around the car. I felt like superman!

@ageorge7140 6 лет назад

Think anyone learning to weld would definitely be a step or two ahead of game having you for a teacher.

@vtrombly 6 лет назад

Really like your teaching style. Very humble and very knowledgeable. No one appreciates older guys wisdom anymore. keep up the great videos.

@MoparStephen 6 лет назад

Very impressive work as always! I love seeing these "oldschool" videos, the oxy-acetylene stuff. Takes me back to watching my grandfather work in his shop. He and my father passed so much knowledge down to me about metal working. I don't get to do it as often as I like, but watching these videos keep the concepts fresh in my mind. Thanks for passing this information down to the latest generation. Too many people are afraid to get their hands dirty these days.

@johnsimms818 3 года назад

Just stumbled on your channel the other day and as an old welder and instructor with 50 years behind in the business I was impressed. I started playing around in my father's shop as a teen and fell in love with the trade. Do the thing you love and you'll never work a day in your life.

@viking8781 6 лет назад

Seriously, that jig is the coolest and most useful thing I've seen so far in 2018. Most of my work is in the field so I couldn't always use that but you better believe I'm making one for the times I can. Thanks for the great video man

@stanleyleith6781 2 месяца назад

Good evening, your verbal and physical illustrations are priceless and comes with years of experience. I salute sir. I am like you, It pains me to use another person’s tool.

@stevemackelprang8472 6 лет назад

Journeyman torch, generally run 7/38 lbs..., layout with soapstone...briefly preheat and pull the trigger following the layout lines ..this will burn off 90% of the mill scale , put layout lines back in and on thicker material hit the edge ( on corner radius cuts) with a chisel,, this will cut down the pre-heat necessary to get up to cutting temp as the raised edge will come up to temp much more quickly... may help some folks out there.... enjoy your videos and a guy can always pick up new tricks

@denniskalivoda Год назад

Enjoy your presentation on your welding and cutting videos. As a welding instructor in a vocational tech school, you just bring back memories of my instructor’s days. Now retired still listening to another instructor is enjoyable, thank you.

@bradymcphail9690 6 лет назад

Glad to see you back Bob! I'm the same way when it comes to this type of stuff, I take my own. I know how I take care of my tools, and me being aggravated over unkept tools is not in anyone's best interest. I take my favorite whip and stinger too.

@Lust4FunGirls 5 лет назад

I love watching this channel, I have a Victor torch and body that is over 60 years old, belonged to my Grand Dad and I took it in to Wichita Welding about 4 years ago and had new O-rings put on it !! My Father in Law was Vice President of Outdoor Products at Coleman and he set up Wichita Welding to do all of the teaching at Coleman and supply !!

@sp10sn 6 лет назад

"I had a dream about doing this silent video..." Not the typical start to a how-to right there :D Great stuff.

@ricktinker8033 5 лет назад

Been in the business 43 years and counting. I have a homemade circle cutter like yours, but with just one nut on one end. Have had it a VERY LONG time. Really enjoy your videos. Keep up the excellent job your doing. I have learned some things by watching them that I didn't know or that made my job easier. I always tell the younger guys, when they ask for help, "I've been doing this for a long time. The minute you think you know it all, is the second you need to go home. Because you can always learn something new."

@michaelmoats5322 6 лет назад

Good video! At 56 I've just started welding as a hobby. Bought a MIG welder about two years ago and just got a torch about 2 months ago and would like to see more videos from you on it versatility.

@shaneburns6443 6 лет назад

Videos coming hard and fast now Bob - all the better! Thanks for the variety, too.

@stevebray71 5 лет назад

I just want to say that quite a few years ago now I was taught basics of oxyacetylene cutting and I am amazed at quality of the cuts that you've shown in this video. I must admit that the people who showed me at the time did have several years experience & as you said that preparation is such a thing that is really over looked & with the introduction of plasma cutters the use of oxyacetylene cutting for quite a few people is really over looked nowadays. Love the video's that you produce & the attention to detail in all of the steps that you show

@champtree 6 лет назад

Thanks Bob Best cutting demo I've seen! I want to learn from the master.

@haroldwatkins7059 6 лет назад

Thank you, Mr. Moffett. I truly enjoy Oxy/Acct welding. You always have great information.

@leonardgilbreath9004 6 лет назад

Bob that is by far the best tool for cutting holes and when I was taking welding class they never said anything about removing mill scale and I'll be doing it from now on good video.

@khemarreid755 6 лет назад

As a welder/fabricator I really enjoyed watching your videos and look forward to them

@jonathancousins1121 4 года назад

Those cuts were nice dude that tool is amazing and I respect you so much for making that first set of tips last 15+ years.

@jamessonger3 6 лет назад

Yet again another QUALITY video from THE BOB! Keep it up, love the content from this channel!

@langleyquentin 6 лет назад

Great video! I cut a few round slugs out today to patch some incorrectly cut holes. I get by pretty good freehand but I was scheming of a jig to get cuts the same quality as a burnout table and seeing yours in action gives me a better idea what should work

@leonardpearlman4017 6 лет назад

This was a nice change! I've cut a few times, and always feel like I'm murdering it. Going to try again, now! It seems to me that one small problem is that the best point-of-view for this is on the opposite side of the plate! If you can see what the plume of sparks is doing. I got a few good cuts in a class once, where another student was watching from the side, saying like "speed up!", "OK, that's it" kind of thing. When it's going right, you don't see much on the torch side of the action. Always glad to see torch videos!

@ChrisWojnarski 6 лет назад

Good video thanks for the helpful info in the cutting side. I haven’t done much torch cutting this video taught me a lot 🙏

@jordygonzalez8574 5 лет назад

Bob you sir are my spirit animal lol keep the content coming i always look foward to binge watching your videos and learning from such a great source thank you sir

@jimchappell3284 5 лет назад

Another great video full of good tips. I have my students tuned into your videos also, it reinforces a lot of what I teach. The old saying, hear it twice you will learn twice as much. Thanks

@chriswesney 6 лет назад

Dang...you always impress me. I wish I would have had a quality instructor when I was learning to weld. I've learned as much from your videos as I have a lifetime of hobby shoppin'.

@barnzYT 6 лет назад

The way you tap that circle out of the plate after you cut it aha makes ya look so smooth ahahah

@KennyInVegas 6 лет назад

I always found the Victor torch guide a good reference to use when setting up a torch's air/fuel settings/ travel speed and tip size.

@Fullchiselchainsawartistry 6 лет назад

WOW 😳 is all I can say! I am beyond humbled! I can not cut with a torch worth a 💩. I was never taught, so am now trying to learn. You sir are truly a master of the trades. Thank you for continually sharing your knowledge with us sir.

@richgallagher70 6 лет назад

Another great video Bob, a lot of new guys and some older guys hopefully will learn a thing or two. The guy I learned from was like you you do it this way because if you don't this is what happens and that has stayed with me for 30 years. Every time I see a guy using a torch as a hammer it makes me want to walk over to them and hit them over the head with the torch. I use Smith torches and like them, the Victor Journeyman is another favorite of mine, my Smith torches still have shiny chrome plating on them except for wear spots but no dents or scratches, if you take care of your tools they will take care of you.

@zrt500 6 лет назад

Great video Bob. Thanks

@mikehazlett4229 6 лет назад

Excellent info, I really appreciate your tips and expertise.

@rayfalcone6897 6 лет назад

nice tip ,Bob,keep them coming....

@StephenEToner 3 года назад

Love your videos , your good hand with cutters and welders we've leaned alot with them. TXS hello from Ireland

@stankua9126 6 лет назад

Thank you, Bob. Appreciate your help 👍

@geckoproductions4128 6 лет назад

Nicely done, very instructive

@mrgreenswelding2853 6 лет назад

Nice work Bob!!

@calebpersons5497 6 лет назад

wow that is a cool tool. Im gonna make myself one. Thanks for sharing

@delas7389 6 лет назад

Thanks for the good info.. I have been flame cutting for years and I never really learned correctly.

@bohaggin5913 6 лет назад

Looking forward to more torch videos. Thumbs up!

@cammurray8453 6 лет назад

Bob, I have been told to raise a burr with a punch or chisel to reduce preheat time, especially when using oxypropane torches. It does seem to work.

@nixie2462 6 лет назад

Awesome demonstration!!

@randystrand908 3 года назад

Thank you. Excellent instruction!

@jeremydoblinger3609 6 лет назад

Wow!!im a welding,cutting tortch hand guy but dam that was slick!!!im mean that was a great cut and like your little tool you made!!i might copy that design by the way..thank you for sharing Bob

@duck-n-cover477 5 лет назад

Enjoying all your videos, especially oxy-fuel. Awesome knowledge! So nice to understand a little more about oxy-fuel tools and techniques. It's addictive!

@462ta 6 лет назад

Great video thanks. You lean a lot watching an old pro at work!

@jeremydoblinger3609 5 лет назад

that was a badass cut right there,that circle is on point

@richardmassey5005 6 лет назад

Nice cut,very informative.

@Tachikomaster 6 лет назад

Great video! We need more oxi-acetylene videos, like bending and straightening beams and sheet metal with flame.

@jakejones3406 6 лет назад

I'll second that.

@markfryer9880 6 лет назад

Thanks for the timely video Bob.I will soon be cutting down some no longer needed Aussie Rules Football goal post ground sockets made from 1/4 Gal pipe with only a small work area dug around each post hole.Your video was very informative and I will have to put some practice time in first. And yes I will be very careful about the gal.fumes upwind and filter mask on. Mark

@joandar1 6 лет назад

Hello Mark, fellow Australian cheers man. I am John.

@BMRStudio 6 лет назад

Exactly this is what I want to see from You! Thank You so much!

@warrenjones744 6 лет назад

Bob, nice video. I too on occasion use customers torches and carry an assortment of tips to use in their torch when the need arises. Some guys do not take good care of their tools and use the tip for a hammer.

@rvalcourtpersonaca 6 лет назад

All is good Bob. I had a wooden box with a strap on it, there was a place in the box for tips, torch, hose attachments and regulators I would carry that box on my shoulder from job to job. I use MY torch.

@PeteBrubaker 6 лет назад

Heya Bob, just going through the archives a bit tonight learning about oxy-fuel as I just got a rig. I love your radius cutter. With the way you have it designed, where the torch can swivel in the nut, couldn't you keep the torch in one place, and just rotate the arm of your jig? Really appreciate all the information you are sharing and putting out there. I've learned a lot, and it's helped me out as I've transitioned from big corporate software to the trades.

@lynnettemasella9529 2 года назад

Great video! Thanks!

@beachboardfan9544 6 лет назад

Damn that's a sweet tool for the torch and some smooth cuts

@borisparrill 2 года назад

Thanks for the videos

@BroMikey55 3 года назад

Thanks for showing the device you use to make circular cuts with a torch. Never saw this or even thought about.

@thomastacy9165 6 лет назад

Another great video! There's a reason I got my own torch just for the reasons you stated. Only thing I've noticed is I'm hearing a lot of static and feedback on the audio on the the videos starting this year(2018), last year's sound fine. Looking forward to the next video. Great job!

@bobmoffatt4133 6 лет назад

Thomas Tacy Different camera crew.

@TrustNotta 6 лет назад

Great Video. Nice job

@zip7806 4 года назад

You The Man Bob!

@LTBROYT6A 4 года назад

Awesome video I will be making that circle citing attachment as I need to cut some circles in 3/16 Steel to fix my mower deck. Barry

@Steve_Just_Steve 6 лет назад

Would have liked to hear some more circumstances for using different types of flames. Thanks

@ronjones1308 5 лет назад

great videos Thank You

@200xcBruce 6 лет назад

Your the best Bob I am a tig welder who owns a oxy acetylene torch and needs to learn how to use with good results, thanks

@stephenadams1714 6 лет назад

Great video !

@jacklmcgowan26 6 лет назад

Nice looking cuts ..Bob...take the time to do it right the first time.. Great videos

@mikebaird8230 6 лет назад

Thanks!! good job!!

@JD-gn6du 5 лет назад

Bob, would love to see more videos about oxy fuel cutting, specifically about the different gasses, difference in tip styles operational pressure differences if any between fuel types.

@ChopShopCustoms 2 года назад

Super informative

@johnnymissfire3288 6 лет назад

Lots of great information bob. I'm still getting the hang of one of those combo torches. Started out using a gas axe and that 3rd knob is getting in my way and the torch feels tiny.

@stevenmchenry9276 5 лет назад

Smooth brother. Good job.

@rwhoward2582 6 лет назад

Good tips; thanks

@TheAcousticWarfare 6 лет назад

Bob you are a legend!

@tntltl 3 года назад

Always the best love Bob bring him back

@tomhopkins6758 11 месяцев назад

Hey Bob. Thank you 👍

@leonardpearlman4017 6 лет назад

Something that might be fun one day, if you run out of topics... There are a lot of different cutting tips! A lot of them just show in books or catalogs but are hard to buy. A good example is for a given size (like your 00 size) you might be able to get light or heavy preheat versions. Then there are some tips that just cut in a line and have only one or two preheat flames, or bent ones for gouging. I BET a lot of your loyal viewers would like to see something novel like this. I've heard about gouging out bad welds for example, but never seen anyone do it.

@bobmoffatt4133 6 лет назад

Leonard Pearlman Good thoughts.

@stevewarner8880 6 лет назад

Hey Bob Good video. I took several welding classes years ago and that is how we were taught to set pressures, basically a 4:1 ratio. Proper way to start up and shut down a oxy/acetylene rig was stressed as well Do you think at some point you could do a video on setting engine drive welders with separate amp/volt adjustments? I’m sure you train several potential pipe welders there and when they get in the field they need to understand the volt/amp curve on the SA and SAE Lincoln machines Thanks

@alfredclemency4952 5 лет назад

Impressive, most impressive.

@codeywolfe9447 6 лет назад

Awesome knowledge Bob. It’s a blessing to be able to learn from you. Have you had any experience with natural gas/oxygen. That’s all we use in the Shipyard I work in, cheaper I guess but my cuts are no where near as good as with acetylene. Thanks!

@carllicari3067 6 лет назад

Good stuff Bob. I'll try the 5/20 combo....and save some gas!

@r4z0r7o3 6 лет назад

Amazing, simply amazing. Makes me want to go back to school to un-learn all the bad-things I taught myself :D

@lukepodmore7810 5 лет назад

Bob you one smooth old boi 🤙🏻

@projectthinblueline87musta93 6 лет назад

Can you show us how you made the guide? ,great video! Keep them coming thanks again

@SnakePliscan 6 лет назад

I'll be darned after all these years im gonna use your lower pressure oxygen setting and save some gas & $ and probably turn out some even nicer cuts! Thanks Bob!

@borrabobos 5 лет назад

I'm missing this kind of videos

@robertlong9552 4 года назад

Pro cutting skills bob

@BMGProjects 6 лет назад

Smooth like a Cadillac

@loadpin 6 лет назад

Another great learning video Bob. Maybe down the road you could do the same thing with a plasma torch setup and use. I’ve seen the same issues using to high of amperage and air pressure cutting thinner materials and people wondering why the cuts were so bad looking. Again thanks for the great way you teach people on the proper methods of using equipment when oxy/acetylene cutting.

@rickramirez8664 6 лет назад

Great video. I am relatively new to your channel. Have you ever done a video on heat shrinking? I have done some on expanded metal, pipe and square tubing but I am always looking to add to my knowledge.

@micbanand 6 лет назад

Thanks good video. I learned to go a little cleaner, a smegr more oxygen pressure. oxy full open acetylen 1/4 to 1/2 turn open is a good guide. But the most importan is correct pressure from the bottles. use the guide from the specific tips.

@jordanmorris8033 6 лет назад

Could u make a video on how you made the attachment?

@afbrenden1077 6 лет назад

Hey Bob, could you maybe do some more stick welding videos. Im welding newbie and would love to learn more. And i do love your videos

@tomherd4179 6 лет назад

Very good tips (no pun intended). I set mine at the specs given when I bought it. Also, 15psi on the acetyliene (I think) is supposed to be max! Like your circle cutter.

@ypaulbrown 5 лет назад

Over 15lbs acetelyne will explode....

@theDozerman88 6 лет назад

Will you do a video on flame cutting pipe and beveling please

@NoKidding66 6 лет назад

Bob, excellent video. Could you post a plan for that circle cutter please? I have to travel 60 miles to get to a decent welding supply store so I can build my own but don't know where to get the parts for the trammel point. Nuts and square stock I can.