Metal Spray REPAIR Caterpillar Engine Crank Pulley | Thermal Spray Welding
The seal surface of this crank pulley is badly worn and we’re going to repair it with metal spray! This crank pulley is off a Caterpillar 3306 Engine from a CAT 637G Scraper tractor and the seal surface has a deep groove worn into it that needs repair. We show the step by step process of metal spray welding using our Castolin Eutectic Rototec setup. First we prep the part by machining down the worn surface and apply the masking compound. Then we use our metal spray gun to pre heat the part before spray welding on the new material. Once the part has cooled we machine it down before finishing it to spec using emery cloth.
In this video we are using:
- Hafco TM-1740G Centre Lathe
- Castolin Eutectic Rototec spray gun
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Hey everyone we hope you enjoyed seeing this metal spray repair 🔥 let us know what you thought of it in the comments and have a great weekend 😎👍 Subscribe and hit the bell icon to turn on notifications so you don't miss our weekly uploads. 👇 🤳 📲Follow us online here: linktr.ee/CEEAUS 🛍Official CEE Merch shop: www.ceeshop.com.au 🎉Get Early Access & Ad Free videos in our Patreon community: www.patreon.com/cuttingedgeengineering
Hello My Friends in Queensland.... .I would love to see a real short segment on cameras, lighting if any, and edit software you use Karen.... .I really admire your technique.... .you are a natural at make very informative video that is understandable.. now if you can only get George and the Train to cooperate., and maybe help Kurtis from getting his tongue wrapped around his eyetooth so he can see what he is saying.....the outakes are always fun to watch... .I know when I am on camera, it sounds if I just drank Tea Martunnies or a Bubble Durban......... .thanks so much.... .best wishes from the other 'Sunshine State' Paulie Brown
Metal spraying never gets old 👍
Well i'm in the UK so just waking up to Friday, You guys in Oz are from the future :D
😂bloody dirty mits all over the nice clean paperwork 😂
Have a great weekend !
Being a farmer, with a lathe, it's so good to see things repaired instead of being tossed. Good job.
There's far too much waste these days and the big corporations increasingly want to tie us into their greedy mindset where things are thrown away in order to create more sales.
Then you must love this channel! Seems like he's constantly repairing farm equipment.
I grew up on a small farm ... I remember repairing items on the farm, because it was not worth the TIME going to town to find a new part (even if it was free, t was still cheaper to fix what you have! :) )
Setting the economics aside, fixing something is just way more satisfying.
@@batterybuilding 100% true, even if it takes longer .. and often the repaired / rebuilt item is better than original .. eliminating future repairs!
The rock I live under never told me there was such a thing as metal spray repair. Fascinating!
I'm a machinist for a large CAT dealer here in the US and we flame spray almost every single part that comes in for repair. It's cool seeing someone with a large viewership doing the same thing. I would like to point out some things I do differently you can try out for next time. There is no real advantage to putting a thread into the under cut area. I've found that just running a fast feed rate like ~0.015"/rev while undercutting provides a very consistent but still textured surface for uniform adhesion of the spray. With a part like that with a 4" OD I'd run at around 150rpm with 0.006" feed rate when turning back to size with ceramic insert, it sounds slow but that spray is almost like sandpaper and turning too fast will literally melt your carbide cutter, like what happened to you. A seal area like that probably has a +-0.002" tolerance from CAT so I turn it to the top end of spec and then lightly polish with 240 grit paper. Going with a finer grit just exposes graininess in the spray.
It’s unfortunate that he probably didn’t see this comment
he didn't even get the engine right, it's from a C9, and a repair sleeve with green retaining compound would be better than new for this part.
@basketofdeplorables4253 an OD steel sleeve would work here, but flame spray has a higher abrasion resistance than typical mild steel and probably is a better fix in this application.
@@raderallen1 repair sleeves are not made from mild steel. they are made from material much better than the cast iron the pulley is originally made from. it would be a permanent repair, or worst case have to be replaced when the engine is overhauled again.
@basketofdeplorables4253 most steel sleeves used to repair CAT components are from mild steel, rhe exact material is dependent on recommendations in the cat literature but unless it's a very specific use case it's not going to be wear or abrasion resistant. In fact, we actually use more cast iron sleeves to repair wear components than we do steel.
I really appreciate the respect you have for old tools, their manuals and advertising Kurtis. You are quite literally preserving a small part of history. Well done.
Kurt, your skill set continues to amaze me. From master machinist to welder to bird whisperer.
I can only agree with that! - Best regards from Dresden to all of you! 👍🍀❤🛠🇩🇪❤🇦🇺😎
Think bird whisperer is a tad much? Just knows how to be cool and that bird feels safe no doubt :). Wonder if George has met Homey yet.
@@michaelkoch2109 Spray welding is such a cool process, always fun to watch. - Best regards from Dresden as well :D
With a K? I thought it was Curtis
@@AxlMetcalf Yes, Kurtis
Eutectic metallurgy is really quite magical. Essentially the powder and the steel form an alloy right where they meet, and the melting point of that alloy is much lower than either metal alone, so it's a cold process (as opposed to welding, where you must melt each metal separately). The warm powder and warm steel form an alloy on contact, forming a strong tough bond. Magic!
Rich, just out of pure curiosity/ ignorance. Would it be possible to spray weld a layer on knife steel? As hard as that finished product seemed, I would think it would take and hold, a ridiculously sharp edge.
@@jamesbarrett5226Yes, you can put an edge on a knife. However the tensile strength of the material is very low (compared to the parent steel) that it will chip away easily. In this use case the powder sprayed layer is only under compression.
@@jamesbarrett5226 This Old Tony has a video about using tool steel rods with TIG torch exactly for welding a cutting edge
@@al1sa920watching the top machinist on YT. A man of taste
@@tfoutfou21000 & @al1sa920 Aw, Tony does stuff like that for grins and giggles...🤨😉
homey is living his best life. i love the clips of him tearing open his care packages.
My Dad was a engineer toolmaker, he taught me to be so proud of your work, to stamp your mark on the work you do. He always did that. 👍🙏🇦🇺
We were required to stamp our production weldment....Calavar/Condor/Time mfg. #40
i once stamped my name on a front crank seal. To this day it's still leaking lol... shouldn't have stamped it so hard
You have NO IDEA how happy I am you showed the paperwork from the Rototec. That Mid-Century, industrial graphic design and typography is absolutely my jam - those sans-serif Humanist typefaces, the clean lines. Elaflex, who make ZVA fuel nozzles, still do catalogues like this. They are glorious.
Karen loved seeing the old paperwork, and in the condition it was she is thinking of scanning it and maybe framing the originals 😂
@@CuttingEdgeEngineeringYou could frame and sell them as merch.
@@CuttingEdgeEngineering DO IT! They were made before the days of desktop publishing and inkjets, so you got *one* typeface to use, and maybe two colours at most to use...otherwise the offsets printing costs started to really eat your budget. It's a classic case of form following function. The use of sans-serif, humanist or Gothic typefaces, I believe, everyone trying ape the Germans and Swiss, and their reputation for precision and quality workmanship. Futura - the old Wes Anderson typeface - got a huge run in the 60s, and of course the ubiquitous Helvetica is still everywhere, but there was Gill Sans for some British stuff. The Germans now use FF DIN (the "DIN" stands for what you'd expect), because the Germans demanded an even *more* clinical, cold, precise typeface for their industrial gear.
Abomb79 would be proud..
@@CuttingEdgeEngineering I 100% agree with Karen! Scan it in and keep the originals safe. The whole kit appears to be in glorious condition.
CEE has definitely repaired it better than a bought one, well done Kurtis. Thanks for another epic episode.
thanks mate appreciate it!
I'm 65 and I wish I were your apprentice. Man you have my respect.
Shoutout for showing the paper work. Goes a long way in preservation of this sort of equipment, when official manuals are either hundreds of dollars to repurchase, or lost forever.
The 3306 has been there since forever. I'm 60 years old and did my apprenticeship between 82 and 87 and that engine had already been in production for years. It's a very widely used engine and I've encountered it in agricultural machinery, drilling equipment and it's widely used underground in LHDs etc. It's such a good engine that they are still being used decades after they came out and I'm happy to see that you are involved in keeping them alive ❤❤❤
Hey mate what a great comment, thanks for sharing your knowledge!
@@CuttingEdgeEngineering..pleasure mate. I spent most of my working life in an environment like yours and I'm very very impressed with your level of skill. It's rare to find someone who is skilled in so many difficult trades because people usually concentrate on just one. I look forward to your posts. I live in a small gold mining town near Johannesburg in South Africa. 👍👍👍😁😁😁
In the US anyway it was popular in vocational type truck such concrete mixer trucks as well. They are everywhere.Very solid engine and my favorite to rebuild.
I am 65, and in my early twenties I worked as a plant technician in Africa, almost all of the heavey plant where Caterpillar, I now work on boats in the Med, and still come across Cat engines, great motors.
I can't stop from saying it but Karen's video work is exemplary! We're never left wanting for a close-up to see things better or other angles for the bigger picture. Your videos drop on a late Thursday night here in the Seattle area and I'm always on high alert for them! Bravo!!! 🎥😁🤙
Wow, thank you!
@@CuttingEdgeEngineering Yes, outstanding producer and editor, from an old broadcast guy. I've watched many hours, and it's always high quality, informative, and entertaining.
I agree top notch..
I agree. Kurtis is one of the best on KZhead. There are also other very knowledgeable and skilled tradesmen/craftsmen/artists/experts on KZhead. Very few have videos as well presented, AND ALSO in such a logical, step by step, easy to follow sequence. The quality of the video, lighting, and instructional 'story telling' style, add immensely to the value of these videos. Well done Karen (and Kurtis)! 👍🙂
That was freaking amazing. I had no idea they had such a tool that puts back steel. HOLY COW OF EGYPT BATMAN!
I love the fact you explain what you are repairing and how it works to begin with 👏🏼
it's a real wakeup point when someone says "50 years ago" and you think 1950s, early 60s at a push......then do the maths and realise it's 1973 and you all of a sudden start to feel old 👴👴
😂😅👍
I was about to make the same comment. I was like hold on, that manual does not look like the ones from 1950's. And then I did the maths.
Greetings from Ukraine. I have been watching you for more than 3 years. Your channel is one of the best for working with metal. Thanks for the interesting and educational videos)
hey mate you must've been with us since the beginning thanks for sticking with us for so long!
Hope you're well and safe, the Ukrainians have my admiration...
I love seeing parts like this being rehabilitated, instead of being thrown away. Would like to see more of this type of parts renewal.
I like that you flip through the book so if someone needed the info they could pause and zoom in and work it out the details.
It's amazing that rototec stuff hasnt changed much in so long. Great company with a solid product that *works*.
Hi Simon, I saw that done during my apprenticeship about 55years ago. Worked well back then but, the metals (powders) are probably better today
We had the same kit back in the 70's when I was serving my time. I thought it was real space age stuff, but we had a few guys at work who had previously been working for De Havilland and Rolls Royce on the Blue Streak rocket project, until the government pulled the plug on it, so maybe one of those guys recommended it ? They brought a lot of good ideas with them, but not the budget they'd been used to ! They had some interesting tales of time in French Guyana and Woomera SA doing test launches, all powered by kerosene and liquid oxygen !
If it ain't broke....
I am amused that today's powders are "slightly better" than the ones from 50 years ago.
Gave me a good laugh too 😂
Their spray metal system looks like it is brand new. I still can't believe that it's 52 years old. This is the only type of system that I have ever seen used.😊
@@joesilvasr9733I know. Curtis takes great care of his equipment
This'll make me sound old, but young people don't realise how the present depends on the past. I saw a kid online comment skeptically about space rockets and had to point out that we had mach 2 fighters in the 1950s and a mach 2 airliner in the 1960s.
@@neilbarnett3046 hehe true, some folks nowadays think music also was invented in the 80s
Nice to see a young man taking pride in his work.
Machinist by trade, rescue dogs owner in my personal life. Just LOVED the footage of the shop dog receiving the gift in the mail!!!
I'll say it again, spray welding is magic
I did work at Eutectic Limited (uk) in the 1980s Had no idea what they did , Now in 2023 im watching a guy in Australia use one of there machines . What a world we live in .
that's awesome
I never knew that something like this could be done. Congratulations Kurtis for such a good job.
You camera person is excellent…….good wife with special talent. She’s a keeper 😊
I started my apprenticeship in 1970, and I still remember the rep coming to demonstrate this powder spraying unit. Naturally, it was purchased. It's great to see it again in action. 😊
This was probably just another day at the office for you, but for me it was riveting! I appreciate your narrative. I felt that I understood everything you were doing as you did it. I always check your videos as I receive them. This one was one I am very glad to have viewed. Also your wife Karen did an excellent job in the videography! Thanks again.
Hey Steve, what a great comment and feedback to read, good to know the videos and commentary were enjoyed. Cheers!
@@CuttingEdgeEngineering i have never heard or seen this way before and yes i agree 100% with Steve
Love it when I see, learn something new...this 50 year old man loved this upload...crazy ...had me laughing...brilliant stuff.
The customer could easily just have chucked this component in the scrap skip and ordered a new one. Well done to them for repairing the original. Better for the planet and it keeps important companies like CEE in business, without which heavy industry would simply not function.
I hope engineering universities in Australia are using your video as guides for their students because I always learn alot. Fantastic video!
CEE and IC Weld at the same time!! Pleasure overload!!
....ahh a genuine channel...no politics just ( from the outside looking in) good people doing cool shit......
Such a cool process I didn't realize how strong the powder is. Thanks for the awesome content Curtis. And Karen for the great camera work.cheers guy's from Canada 🍻.
Hey mate glad you enjoyed it 👍
Very much a throwback for me I remember seeing parts repaired the same way, for the powered scrapers 50+ years ago at my Dads Ministry of Works Repair depot in NZ. Thanks Kurtis & Karen
Hey mate that's awesome, always good to know if our viewers can relate to the jobs we are doing. Hi to your dad, you 2 take care
Great when you can leave the job in the lathe for the entire process. Enjoyed this one guys.
I have watched many of your videos. You seem to be able to tackle most any job. Watching you spray weld just confirms what I am saying.
I've fixed many of these on the Cat 3300's 3400's 3500's with a simple speedie sleeve and never had an issue, but it was only where the seal worn a grove in there, not totally eaten up like that one! I've turn a few others down and press on a sleeve when speedie sleeves weren't available or if a key way didn't made the wall to thin. I do love the spray welding tho and it probably makes it better than new.
It’s 12:20am and now I’m going to be up until 12:45. Worth it. Cheers from WA state USA, thanks for all the great content!
Have the same setup that was brand new in the box , I bought it at an old machineshop going out of business estate sale. Still haven’t had the opportunity to use it yet , but I’m a bit of a tool whore so it’s always nice to know I have it in my tool crib waiting for a project. Thanks you three again for the quality content.👍🤙✌️
Great Job All, Kurtis, Karen and Homey!!! I Have been in Quality control for over 3 decades and this content is so satisfying when Kurtis disassembles and repairs the shafts that he works with and makes things back to manufactures specs in a short turn around time is so awesome to see!!!! Great job again. Thanks for the content
Ah yes, spray welding.... I've taken in a few steel crankshafts from drag racing engines that have spun a bearing and wasted a crank journal. Saved a few thousand bucks for a new crank... 👍
amazing that a 50 year old tool is in such mint condition, and does a perfect job. The videography of the process was brilliant!
Glad you enjoyed it
As opposed to more modern tools that spray applicator doesn't have any extra, unneeded parts. Just a torch and gravity feed. Need to shut off the feed then just lift the nose up. No fancy valves to gum up or break
Amazing , you've got to hand it to the pioneers of these processes.
Curtis got to hang with several guys from Australia over the weekend. I must say I had a blast with these guys. But I found out it's hard to out drink them lol. keep up the good work mate.
Kurtis is the most energetic and charismatic frontmen of all time... just teasing 😋I know nothing about this stuff, but I find it engrossing and so happy that you are getting recognition, perhaps the you should connect Aus Armour guys a few hundred km's up the road, Im sure they could benefit from your experience. Keep up the good work
Works great on cast iron too. Used this technique in the early 80’s.
Never seen this done before! Incredible how this method has not changed over time still an acceptable solution to the problem 😮
You are the best mechanic in the world, without a doubt!
Your camera operator is very good. As a movie camera operator here in the States, I’m very impressed with her ability to “ride the iris”, and framing. You RocK Girl!
I know nothing of engineering or machining, have never set in a proper workshop. I know nothing of video production or photography but I do know that your channel is unmissable & amazing ….thanks guys!
thank you for the support! We hope you keep enjoying the videos 😁
I do love the infographics showing us all exactly where the part sits. You guys need a little Kurtis or Karen to take on the family legacy! You're both exceptional and amazing at what you do, you really do have a legacy to look after ❤
Never a truer spoken, written.
Well said!
Think of the money saved not having children and from the sale of the business on retirement.
He's building one...
@@65cj55 Why is this even a thing? I think we need to take a breath before we post on a video about engineering and work of this nature about the private lives of those in said video. Seriously now. Sure they may make more money but again as the original thread post mentions who would run the company when Curtis and his partner want to step back? Not that it is any of our business though right?
The content and the cinematography are better and better. I’ve heard so many other people mention CEE KZhead channel. It’s awesome!
I really appreciate that you caption all your videos. keep up the good work :)
Curtis thank you for your time in making these informative clips.they are instructional and entertaining.
hey mate so glad you enjoyed it!
Awesome to see you do something you haven't shown on the channel before. I am not a metal worker or even anything related but love the content. it makes me want to go play Milling Machine Simulator after every video. Also got to love Karen's gasp when the torch was lit, it shows such a genuine feel.
Except Kurtis has shown it on the channel before. 1 year ago, flame spraying cast iron. kzhead.info/sun/rcuvact5j6WpmoU/bejne.html
@@teeanahera8949 That’s what I thought, I’d seen it before.
I remember that one now. It didn't click as it was a different torch and not a rotating repair. Same theory but different application and process.@@teeanahera8949
Amazing content. I have only heard of this type of material being used in machine repair but have never seen it done. Thanks for showing this type of operation. Outstanding workmanship and as always fantastic camera work.
Thanks for watching!
Abom79 has also done some work with it. He goes into quite a bit more detail if you're interested in the nuts and bolts.
Love the content. Thank you for not editing the gasp of surprise from the camera person, when you light the torch..I like the one take approach! Keeping it real.
Really cool that you've kept all the paperwork, must admit it's something I do as well. I think it's really good that you can use something that is 50 year old technology, not only is it a testimony to those that designed the equipment but to you for keeping it alive. 👍
And now im convinced that CCE is just a way for Curtis to buy all the toys he like playing with.. the rototec gun with all the bits and paperwork is awesome!
shit someone's on to me 😅
Without reading through all the comments where this observation has almost certainly already been expressed, I would like to compliment the receiving department for his careful handling of critical materials, and most of all, his enthusiasm and pride of workmanship.
Kurt, you are a problem-solving MACHINE!
Guys, you're amazing! I'm a mechanical and civil engineer in Brazil and don't know any professional like you here. The quality, attention to the details, professionalism, knowledge you present is outstanding! Congratulations guys! I can't go to work at Friday before watch your video. Thank you very much for this excellent content!
Deixa de complexo de vira-latas rapaz, VOCE DIZER QUE NÃO CONHECE NÃO SIGNIFICA QUE NÃO EXISTEM MUITOS BRASILEIROS TAO TALENTOSOS COMO ESTE, ELE REALMENTE E BOM NO QUE FAZ, MAS VOCE INSINUAR QUE NO BRASIL NAO TEM PROFISSIONAL TAO QUALIFICADO É MUITO COMPLEXO DE INFERIORIDADE!
@@joseorion5323 Relax and get over yourself and get off your all Caps rant, it makes you look uneducated and childish. The guy stated He doesn’t know anyone with the professional and gives a 💩 skills similar to Kurtis. I live in a country a hell of a lot bigger than Brazil and I also don’t know of anyone that has similar overall knowledge, ability and gives a damn like Kurtis. That does not mean or say they don’t exist, of course there are others just as skilled and more skilled. What it does say is they are few and far between and that the trades world wide need to smarten the hell up and do better. I am 4 decades in mechanical trades and over all I have seen all trades have gone to 💩, with laziness, drinking, drug use, lack of training and an I don’t give an F pay me attitude. It is very rare to find committed , good attitude, safe skilled Qualified workers.
@@joseorion5323"ain complexo de vira-lata meo!" Cai na real muleque, é quase impossível encontrar um profissional qualificado nesse nível no bostil. Vai ser um ufanista tapado assim na tua casa. Also, this is an english language video. It would be more polite of you if you could type your comment in a language the majority of the other users watching this video can understand.
Jap,so ist es 😂
It’s like a 1950’s sci-fi ray gun. Very very cool 😎.
it's definitely a fun piece of kit!
It’s just as lethal as well 🤣 @@CuttingEdgeEngineering
I love the fact that you have so many tools and machines that are older than you are. (You certainly don't look 50 anyway!)
The metal spray repair is so cool . I'd never seen it until you used it on a job a good while back . Talk about hard stuff , well it sure does look like it . Another great video y'all . Keep them coming , good night from central ARKANSAS , USA
i really love when yall show video clips of homeless opening packages. please show many many more in the future videos. yall are both great fpr recording thes many different projects and showing us the many things that are in the shop. keep up the great work. from the U.S.A
About 3 weeks ago the algorithm suggested I watch CEE and I'm hooked ever since. I watch 2 to 3 of the videos every day and some of them 2X in a row. One of my favorite things to see is the inserts making ribbons out of the workpiece in both normal speed and slow mo. It's like a visual version of ASMR. It would probably start a trend if Miz Karen made shorts videos of that stuff. Keep up the great work!
Really nice shot at 10:20! Well done to you both -- not everything needs to be a three-part dozer blade rebuild, and the attention you give to the smaller jobs (both in front of & behind the camera) is great to see. Thanks!
Im amazed that molten dust sticks considering how (not) hot the base substrate is. Very interesting as always 👍
I think Kurtis explained that at the start. Was always kinda confused as other yters who do such work wouldnt be clear in what was going on like he was today.
The base does get quite hot. It's not as if the flame is not applying heat during the process.
@@physicsguybrian True but its not red or near melting, I suspect the differential is still quite large.
@@campbellmorrison8540 Fair point. I imagine there must be tests done that measured the differential. It would be cool to know that! Cheers!!!
This is an awesome idea for a repair... definitely saves the customer a whole lot of money! I love the bloopers and such at the end!
The blooper reels (B Roll footage) is priceless; especially with Homeless, George, Jeffrey, Russell and other birds
EXCEPTIONAL CRAFTSMANSHIP, Homie's PIGGY SOUNDS of JOY, and the GIGGLER... 0ERFECT TRIBECA Have a wonderful weekend Bronx Love guyz 😎
It’s cool seeing that old technology and your appreciation for it!
Job well done ,Great camera work Karen. Thanks!
holy shit mate what a ridiculously generous super thanks you've blown us away again. You might like to consider our patreon community where you can get the benefits of Ad-free, early access and bonus content for your contributions! 😅 Thanks so much for your support we appreciate it very much. Cheers, Kurtis Karen & Homey🐾
Hey Kirt how do i find your patrion link@@CuttingEdgeEngineering
@@Darkrif1957 link is in the description
A great repair, I have always used sleeves in the field, but spray for overhaul repairs. 3306 and 3308's have certainly stood the test of time. Great to see a repair I used to request actually being carried out. I used to send it out and it came back fixed, now I know what it takes.
I went through some seal training with SKF a few years ago. One of my take-aways from the training was that seal surfaces, for best results should be plunge ground so that lines created from tooling or grinding do not pump oil. As the surface gets bathed in oil the rotation of the part can pump oil. Love the content Kurtis and Karen!
Awesome. No matter the job, I freaking love this watching this guy.
That kit with all the papers and manuals is so COOL. Gotta keep that together and clean, and better yet, scan it online :) Beautiful repair as well, surprising how hard that is.
This is a crazy story!!! Well done, also the editing of the video 🙂 Greetings from Switzerland
I love that you try to use different words, but can't find them, story of my life!
I like your work and how you and your wife are wholesome....the bloopers at the end made me subscribe....keep it up...great work!
You two have some fantastic content. Throwing in some old-school repair techniques with the usual precision, getting in touch with nature, appreciating a double rainbow, making sure your pupper gets good exercise too! Keep up the great work!
HOMEY "over the rainbow" AWESOME
Found this really interesting. I would really like it if you could do a video on inserts at some point. Explaining what the different types are, what they are made from, how fast they wear and such.
hey mate thanks for the suggestion we'll put that on the ideas list!
So cool to be able to follow step by step the progressive evolution of the job. Thank you both of you to do a great job in your respective department.
I watched and enjoyed this early this morning while Karin and Halgrim were out for a walk. Having watched Adam metal spray for years I was delighted to see that the process also works in the southern hemisphere! 🙂 One of the first things I learned when I was in engineering school was that all machining is "subtractive manufacturing" and basically, until 3-D printing came along metal spraying was one of the very few examples of "additive manufacturing." Being able to do it right in the lathe where you will be turning it down is a real advantage, too. Thanks for letting us watch, and Karen, thanks as always for your stunning videography! Bruce, Karin, Halgrim and Bella wish the three of you an enjoyable and peaceful weekend. 🧡
i cant sleep soundly without my 12am CEE upload, good job and gnight yall
night mate!
Well a sleepless night and new video, what a good combination. Greetings from Mexico
Hey mate thanks for taking time to watch
I loved seeing homey come out from underneath the rainbow. He definitely is a pot of gold.🌈
I love how you constantly manage to teach me new things and ways to work with metal.
Another ex-Merch Engineer here (retired these past 10 years after 40+ at sea) and I've worked on many different engines. The most problematic were some Deutz used as gen-sets, uprated from 50Hz to 60Hz and the extra speed created some strange vibrations which used to shear fuel lines occasionally, but also crankshaft vibes. This used to do exactly the same to the crank as your pulley repair. The company (Europe based) I worked for supplied Speedisleeves which are a very thin titanium sleeve pressed onto the crank without the need to strip it out of the engine. They were available in sizes from around 30mm to 300mm in 0.1mm increments.They were very successful, is it something you've heard of or used, Kurtis? They're still available from a variety of sources here in the UK, so a proven technology.
From what I can tell from the companies website this seems more like a product for 'in the field' type repairs where the purpose is getting the machine up and running quickly. But that doesn't stop the problem of abrasive dust getting in and wearing out the part again. Half the jobs we see Kurtis doing are because the customer had to get the machine up and running ASAP and the other half is not servicing on a schedule because it costs money every hour the machine isn't doing work. For marine operation this makes a lot more sense when you could go days without help and you need that engine up and running ASAP because something else is going to go wrong with the second engine while you're 1000 miles from help.
Yep, we did use them as a "get you home" measure when the machine needed to be up and running again asap, however they were still running very well after a couple of years and no leaks. The cost of crank repairs or replacement at drydock periods far outweighed the in field sleeving which was quick, easy and very effective. It was only the Deutz engines I described above that had this problem, due to the speed being cranked up to run 60Hz alternators and the problem only came to light after a few years.
Recycling old machinery, using tech that others have forgotten, and doing a good job at it. Excellent
it's always a treat to watch someone using a thermal spray gun to repair worn parts. Thanks for sharing
I love to see you getting the jobs done right. No stress, no mess. Poppadah poppadum. Thanks Kurtis and Co!
I had an excavator centre ring metal sprayed. Proved to be much cheaper than getting a new part shipped in from Japan
You two (three?) are the best thing on KZhead -- keep it up!
Your videos are so wholesome, just good honest hard work and a few chuckles on the out takes. Keep inspiring people guys 🙌🏻
Wow Kurtis that took me back a few years, I've used the same tools and like you always had good results, glad to see its still being used ,Great content mate :)
hey mate glad you could relate to this! Thanks for always watching
Used Castolin Eutectic spray on in the past to build up a seal surfaces, an overlooked alternative to sleve technique, Good to see it still being utilised in this parts replacement society we currently find ourselves in.