Repair CAT 785 Haul Truck Planetary Housing | Make & Freeze Fit Bushings
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- Опубликовано: 31 мар 2022
- This is a set of Planetary Housing plates from a Caterpillar 785 Haul Truck transmission. The bushings in the reaction pin (guide rod) positions are loose and need to be replaced. In this video we show making the new bushings on the lathe including drilling, reaming and machining. We also show the cryo-freezing and shrink fit installation of the bushings into the plates using liquid nitrogen.
In this video we are using:
- Hafco TM-1740G Lathe
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Message for Karen: It is really cool how you have speeded up video but the sound track is at normal speed. It makes the video look professional. Nice touch, keep it up. I know you didn't do this in the early videos of this channel. This is a good improvement.
Thank you!!! Really appreciate the feedback
Oh, I disagree. I've never had anything but positive thoughts for CEE, but these quick cuts and speeded up sections are jarring. I hope you'll go back to the old editing, which I thought was perfect and very skilled.
@@JSBPisgah I have to agree with you.
It makes it feel like an action movie.
Not that I dislike action movies per se but I don't think that it is the right look for the channel.
Especially when I watch the video in the morning with a coffee in one hand 😅
Edit: Just to make it clear: I am not talking about the time laps that starts at around 18:30 . That time laps is perfectly fine.
What I dislike are these short bursts throughout the video.
The one thing I have learned most from this RUclips journey is...you won't please every viewer and it will never be perfect 😆
@@CuttingEdgeEngineering well, you don't have to please every viewer. You just have to please me 😇
🤣
Kurtis my 90+ year old Dad remembers doing bearings like that, freeze fitted with liquid nitrogen 40 odd years ago. He watched & said nice work.
Well that's awesome much respect to your dad 😎👍 cheers mate
@@CuttingEdgeEngineering He will often watch your videos the next day but watched it with me today
A suggestion use a magnet on a string to fish stuff out of the liquid nitrogen.
A tip for you that I have seen another machinist use - Put a thin rod in your tailstock, run it into the part to catch it as it falls off to avoid the possibility of getting injured by a chip or something.
I enjoy your videos, thank you for uploading.
good tip will have to do that next time cheers
I usually just hold the the "catching rod" in my hand. A long end of a hex key is usually the most handy thing around for such a task. It sucks to drop the part, put a dent in it, and damage the ways.
@@ar5000 its a carbide pocket scribe for me, handed down from my dad, lord only knows how many small parts its caught since he built as a toolmakers apprentice in 1966.
I usually just let my small parts fall into the chip tray then I spend a hour searching for it.
@@rogertucker6662 and swear to yourself that you'll catch it next time but never remember till the next time you part off something and it lands in the chip tray again
Part of what makes this channel so good is that Kurtis takes time to show us, and explain, where the part(s) he machines actually fit in the customer's machinery. Excellent!
My Friday night is complete. A good engineering lesson inbound. Greets to Kurtis, Karen and Homie the Safety Officer from Auckland, NZ.
Hey mate hope your week was also a good one 👍
Dont buy it man. He acts like he's fixing machinery but actually he's building a transformer. Those are clearly the hip joints
You never ever cease to amaze me Kurtis.
Your depth of knowledge in this industry is second to none!
I’m not a machinist or work in that area, but everything you say and do makes perfect sense and is always aimed at the right way to do things.
All the best mate and keep these amazing videos coming as long as you are able.
hey David thanks for saying so mate, will definitely keep the videos going!
David.... I couldn't have said it better myself. Cheers. I too am fascinated by how Kurtis does his work. It's not only educational, but entertaining. Work without play makes for a dull day. Also have to give 100% credit to Karen, for the fantastic filming, editing talent. Cheers, Blessings Eh!
@@tonynagy2042 - And I might add, Karen's skills improve with every video.
Couldn't say it better my friend
@@CuttingEdgeEngineering I have a question. When you set the digital readout for the stopping distance when using the parting tool, is that how it knows when to stop? Or is it a mechanical setting? Just curious if there is anything computer controlled on the lathe or if you have to set it by hand. Thanks.
I use grease like that to remove transmission pilot bushings out of flywheels. The miracle of hydraulics.
I love how you always manage to answer the questions I have at exactly the right time. It seemed like there was an obvious shortcut in in making several bushes at a time and then you come in with the perfect explanation as to why you're doing them individually. This seems to happen at least once every video.
I would have had to make them in pairs to make a bonus on them.
When you said “I will do that 17 more times after that” I could hear the resignation in your voice. However, as I’ve seen the way you work I’m sure that the 18th part will have exactly the same dimensions as the 1st. You have also demonstrated the benefit of having a good relationship with your suppliers. I hope some big companies take notice because often it is your supplier’s knowledge that makes your work easier. Again, great explanations about your methodology and more educational quality filming and editing from Karen.
ps. I love the expression “love taps”. It reminds me of an engineering entry I saw in one of our aircrafts’ tech. log. An engineer had written “Percussion applied”. I think we all know what that means.
He could have said « Persuasive percussion applied » 🔨🔨🔨🔨🤣
Good job Kurtis, I worked on gearboxes that could bring coal out of pits and even transport miners up and down shafts I am emergency. Launching nuclear submarines was a great job too. You were spot on making them one by one, it produces the right parts every time usually. Thanks for posting.
I’m a 35+ year filmmaker.... and I am equally impressed by Karen’s skill....as by Kurtis’. I’ve been watching for a year and get excited every time a new video is posted. I would love to see Kurtis behind the camera for an episode.... and show what tools and tricks Karen is using to get those great closeups etc. You two are a great team and your work ethic has rubbed off on me! I’m grateful! Cheers- Steve
I thought them swapping roles for a day would be interesting but that would be equally as enjoyable to watch!
Nothing like giving a tidy bush a good reaming 😉👍
giggity
Nice work Kurtis!!! Those warning stickers were created by the great mind of the AvE channel on RUclips. The guy is quite the character and a very intelligent human being
Amongst the things I liked when working in Aus a number of years ago is the Aussie ability to poke fun at everyone and especially self as proved by the outtakes. Thanks guys.
this is true!
Aussies don't discriminate - we take the piss out of everyone 100% equally.
@@johncoops6897 yep its a national sport. and don't complain you'll get more.
@@chrisforgan731 - Struth, mate - Far Kin Oath, no Wukkin Furreys !! 😂
23:52 I was watching this in bed and half asleep and this scared the shit out of me lol
I am so sorry about that was not aware and are editing it out now 😬😬
Kurtis, that machine the hydropter, is a work of art. It’s astounding and endlessly fascinating. How it works, the precision of which it’s capable of working to, and all this entirely mechanically, for the last 70 years !! it’s incredible. I can’t wait for you to do some work on it and with it. I’m gonna be straight up with you though, I don’t think Homeless is going to be up for mastering this one just yet. I would keep him working on the lathe for a little while longer. 🥰😍❤️
Yeah Big nuts hasn't been showing much promise on the machinery lately, think he will have to stick to his safety officer job 😂👍
"hydropter"?? Did I miss something?
@@bobengelhardt856 -- A couple videos back.
I like 4140 because it’s such a great all around steel. Perfect for this application.
Agreed!
I work with 4140 a lot. With proper tooling,feeds and speeds, it's a joy
I’m a machinist, so I have the time to see how precise the filming and editing is! Excellent work all round.
Often just trying to figure out how they managed to screw pieces up like this is 1/ 4 the job in hand. How and why are constant nagging questions gnawing away at yer noggin eh.
I don’t think you are ever going to be short of work with the integrity to accuracy that you have. It’s a pleasure to see.
Kurtis you are a hoot but your beloved is priceless keeping you sane and on the job..love the video's keep them coming.
The research you do for these smaller jobs is outstanding dude ..pre shrinking before starting the job was the only way for you to get the preferred outcome you wanted ..obviously not done by the previous repairers..top job ..top team .. you ladies n gents n homie are the real deal ...
Peace n love from Cumbria UK 🇬🇧 ❤️
Cheers mate! Do it right, do it once. But after seeing how many "repairs" we've had to repair not everyone has the same standards 😒
@@CuttingEdgeEngineering - Agreed, but that's one of the things that keeps you in business. Cheers from Georgia, U.S.
Karen that must have been a nightmare to edit …… you did a great job. I was expecting more cockups putting in the inserts. I would definitely have fumbled a few more. I tried freezing bearings for my ATV and found it quite tricky to time it right to get them in. Ended up using a bearing press.
Thanks Peter the repetition was not fun to edit 🤣
She is a very talented videographer! Thanks, Karen!
That is the face of a homeless happy dog !! The best part of the video today. And Kurtis Sr, you know your craft and deserves congratulations for all.
now the statement of dont make more just to lose time tryin to save time make PERFECT sense ... of course i used to have to make a lot of valves an ship them out sooo understanding from a production standpoint
its amazing watching Kurtis through multiple process repetitive jobs. Its like he becomes part of the machine itslef. great work, great video and editing. Cheers from Giddings ,Texas Ya'll
Doing the same job 18 times over.... every day is an adventure in it's own way. And keeping up high quality through all 18 bushings is quite impressive. Agree with all previous writers: you two are amazing and awesome.
The degree of discipline to keep doing that repetive work over and over and not succumb to looking for a shortcut is the skill that separates the machinists from the posers! Your work should be required viewing for all apprentices. 🍺🍺💵
That piston-bushing trick is brilliant! Love how i learn little tips and tricks here. I'm not even a machinist (yet)
Small world I grew up vary close and still live close to the folks that sent you the gifts from Maine. Another great video 👍
Also our grandson that’s in the 5th grade stayed with us last weekend, he was watching something on his IPad and I asked what he was watching and he was watching You! 😎
Really enjoy your videos, takes me back to my apprenticeship in the 1970's when I worked for a mining engineering company in Yorkshire England. Would love to go back to that sort of work but only 2 years left before retiring.
Love watching your videos
the sound when they slide in 😍 I loved these kind of jobs when I was a mechanic 20 something years ago :D
the fact that you always do the work the right way and never take short cuts or lower the quality of your work for the sake of getting more stuff done is why i like watching this channel you are a true professional!!!
Isn't editing just the best CURTIS you are human I'm a fitter /MACHINIST by trade and I was thinking this guy is the Yoda of machine SHOPS never seen any tradie so chilled until the blooper reel ,love it mate keep it coming
Cheers Kym
Adelaide
Great video! Working with liquid nitrogen is something I'm very familiar with. I'm a retired Master Craftsman for a corporate jet manufacturer of 42 years. Part of my job involved was making and installing freeze plugs. Most of my job was pretty easy because Engineering would specify the diameter of the plug, but they only gave me a .0002" tolerance. Making plugs on a machine that only had .001" tolerance was a challenge to say the least, and I have made hundreds of them over the years. The small ones in the range of 3/16" was a real a** kicker. What was fun was taking the left over liquid nitrogen, usually about a cup full, I would pour on the concrete with a little toss and it would roll across the floor for a good 30 or 35 ft. Very strange looking the way it did that.
Such a small OD really crank that spindle speed up to get good SBM (surface bananas/min) on your feeds. Good looking cuts ao far
And I would like to add.... I love the head nods🤣 the outtakes and the four legged fur beast!!!
FINALLY my weekly dose of Cutting Edge Engineering! Wednesday and Thursday were pretty rough going…cold sweats, shakey limbs, mumbling, couldn’t see straight
😂 now only 6 more days until the next dose! 😬
@@CuttingEdgeEngineering aren’t you just full of good news…😳😁🤣🤣🤣🤣 Cheers from Up Over!
I found out about this channel late last year; I'm not even a machinist nor a mechanic, just a curious guy, and I've been watching all of the vids in amazement. Seeing a master of his craft at work is always satisfying. The format of the vids is also great. It's almost like an actual course. Keep it up man.
I can't believe how much work is involved in making such a simple part. I can't stop watching.
I’ve had a similar job this week broken half shaft on the difflock side very difficult job , stud it on end put a crow bar in the opposite end turned the pinion and the bits dropped out more good luck than management, I’m changing the pups name from bob to poo he likes dropping sausages right next to where your working or where your going to crawl under a machine you’ve just got to love the little fella ,, have a nice weekend guys
Thank you team for sharing. Those little bushings would twist in the hole and change the pressures. That shrink fit is a miracle
Yes, the weeks complete & thanks for your work putting together my Fri-Yay nights entertainment. Just bloody EXCELLENT!
Glad you enjoyed it
Nice work Kurtis, and I like the "bullet proof" quality control. Very interesting , enjoyed!
Hi Kurtis, Really appreciate your attitude to quality control in everything you do. Cheers also to your camera lady and safety officer who both work hard on producing your videos. Cheers Keith
I love the way you read everyone's mind and know the questions we want to ask, like why did you make them one at a time. You gave a really good answer, in a way we can all understand. Can't wait for the next video.
Finally understood this fix, damn I need a beer.
I like it when you describe what you doing and what tools your using and why. Keep up the excellent videos.🇿🇦
Great feedback thanks mate
Thankfully it’s my Friday morning fix again. It’s great to see some engineering during Homey’s video. Have a great day everyone.
that Kurtis guy still can't get his lines right, Homey never makes a mistake 😏😂
Staffie’s never make mistakes, they only have inattentive owners that misinterpret what they’re up to. 😂
You answered the question that I was wondering about in this video, regarding the reasons why you didn't make more than one bushing at a time. The reasons behind the answer you gave can be diluted down into many single words. The immediate one that springs to mind for me is professionalism.
They are for the anti reaction pins to hold the clutch discs in place . That is a std repair to re bush them as they take a hammering .
Have not rebuilt one of those transmissions in a few years now thank god , averything is bloody heavy !
K&K and Homie good morning from Mississippi USA.
ALWAYS enjoy watching your shows. Have a great day.
Cheers mate good morning to you
Karen’s ability to deal with the temperamental talent is legendary…
Thank goodnessKarls not around drinking your beers.
Cheers from Tokyo
Stu.
Always a reason to look forward to Friday, even for us retired folk. My neighbor works at the local dealer for Gühring. Their reamers are the gold standard. I swear my blood pressure rose every time you pulled a bushing out of the LN2 and inserted it into the bore. What a relief when they all went in so smoothly (aside from the one in the offtake that you spared us!). Thanks for a very entertaining and enlightening video.
As always, when you removed the bushing and I think, "What the heck did he just do? How does that work?" Then you explain exactly what is going on. You're always one step ahead.
A trick as old as the hills my friend.
Neat trick. Hydraulic jack out only works on a bushing in a blind hole.
Nice to see the chuck key have its own spot! And I like the way you did the test for the shrinkage on the bushes. :):)
cheers mate glad you liked that
@@CuttingEdgeEngineering My brain is dead after a fairly intense week myself, so, could you explain what adjustment to the ID of the bush [or rod OD, because the bush was solid reemed] was made, if any, to keep the fit to the rod spot on, and if there was none required, that should tell you you were right, the bushes were supposed to be an interference fit to bring the fit to rod back to what it should be too - nice and slippery with not a lot of play. Must have been a sloppy box with all that movement I'm thinking!
Also what affect will operating temps have on the shrink fit - would it be none because the temps are the same in each piece of material, or is it not quite that simple?
@@paulmeersa7162 similar metals expand at similar rates. but yes that can be a issue although as they are covered in oil the heating would be fairly even while in use
Thanks for the "pink-basecap-outtake"
What a Beauty he is 😅
Nice Job!!! Here i mean the bushings!
Wow Kurtis you play great with other peoples bush
Yes been waiting the whole week for you mate.
Much love from Vancouver 🇨🇦
Cheers mate thanks for waiting and watching
I'm bushed out after watching this video 🙃, have a good weekend guys and thanks for the video.
plenty of bushes and rods in this one 😂
When you ran down the set of procedures to be preformed I was surprised I knew what you were talking about, great videos, great explanations. I’m learning so much, thanks.
Another great job. Thanks for fixing it correctly to save someone more work down the line. The time laps of running the lathe was great! Cheers from Wisconsin.
Nice bit of high precision, good to see the hydraulic bush/bearing removal technique. Some use the cheese off a Cheese Burger I've heard?
Great tip on fine surface turning 👍 👌
Great work both, top notch photography 👌.
Thanks for sharing.
Thanks John have a good weekend mate
G'day Karen, Kurtis and Homey great video as always and cool job to watch. Have a great weekend you three 🍻🥂
Cheers mate bring on the weekend that's for sure!
I see carl has been there marking the holes needing repair. Way to go carl!
You can tell when Kurtis is perfect on his job, he gives a little whistle as he is right on with his measurements. Great job, videos, thanks for great tips on how things should work. Stay safe and healthy y’all.👍👍🇺🇸🇺🇸
You made it look so easy, but it must've been hard work machining all 18 bushings. And then you had to install them quickly before they thaw. I'm sure I was watching magic.
Now you have covered most sections of the Cat haul trucks. Next you will be rebuilding differentials?
Great video,
jack in Glendale (AZ) USA
this channel has all the makings to be HUGE, a cute dog, BIG chips, great people, and quality content. cant wait to see where you guys take it.
Great video Karen and Kurtis! really liked seeing more of the process, seeing the tools being swapped out from the straight on point of view and such.
Excellent job Kurtis. About to roll in the floor laughing at the bloopers 😂😂😂😂. Wonder how long the boot will last?? The stickers are funny. Karen better wear the pink hat. Y'all take care and have a blessed day and I'll see you on your next video.
Hey mate thanks for watching, some great gifts from Jamie at Whistle Pig Farm!
I'm itching to see the jig borer working. 😊
You and me both!
Enjoying your content a lot, takes me back to my time as an engineer before I ran away to join the railway. I spied an old Delapena VHM in the background, maybe from the 60s or 70s? I served my time with them in the 80’s and went into their design office for 10 years working on everything from machine design to tooling for electro-magnetic rail guns!
This work feels so much more useful and visible than what I do with software and IT systems all day long…….would also love to be working outdoors with my hands more too.
CEE notification squad!!! Have a nice cup of coffee and a nice weekend!!!
Right on time mate! Can't believe we are in April already, the year is flying. You have a good weekend too mate
@@CuttingEdgeEngineering oh just to let you know, there seems to be some sound issue around 23:55
Gday Kurtis and Karen, definitely something a little different and a bit of a production run, I’ve been giving them TNGG inserts a go here and I really impressed with the results, nice surface finish and able to take very light cuts, I believe they have a type of ceramic coating, i interested to see how this repair stands up after a couple of thousand hours, awesome job as always mate, have a great weekend, cheers
Hey mate, seeing the nice parts you've been machining up on instagram looks like all the inserts are working well 😎👊
There is some kind of beauty in your work...IDK anything about machinery but i can appreciate good craftsmanship
Neat trick removing the bushing.
quick and easy 👍
@@CuttingEdgeEngineering what was the tool that was used. Very surprised that the bushing came up with the wack @3:15 - ps I have no experience in a workshop if I haven't already made that clear ;)
Scratch that - thanks for explaining in the video !!!!
@@zestoslife Kurtis used the original pin which was a snug fit in the bush. The pin pushed the grease inward into the blind hole, then under the bush without expelling much out back past the pin. Even if the bush was a tight, even light interference fit on the OD, that method is generally successful.
@@zestoslife Sorry David, didn't see this comment til after I replied.
I once had to got to a Royal Engineers vehicle workshop in Woolwich, where I was fixing office equipment, to get some grease to pump out a bearing in a large Photocopier, and was surprised when the guys in the shop did not seem too know what I was doing. Used same technique for a Land Rover series 1 input shaft bush many moons ago. Think I peaked then....
It's similar kind of trick to shoving cotton rope down a spark plug hole, so you can seize the piston and undo the main crank bolt.
@@johncoops6897 Great one. Learned that very early on also. Lots of those tips and tricks seem to have gotten lost over time.
At least you peaked.
You are correct ,drilling deeper allows the drill to wander if one edge gets dull . Been there ,learned that. I always used a piece of wooden dowel in the bore when parting off , i did not like my fingers that close and after forty years in the business i still have then all . I learned the bushing removal trick from my old boss when i was an apprentice and i dropped in a frozen bushing without the removal plate first .He used an inspection bar and oil.
It is a pleasure to watch a real professional do their job well. I work at a desk, I’m a lawyer, and dont know much about precision machining, what i do know youve explained to me. Keep up the good work, you are a a pleasure to watch.
Bonza. Completes my morning. Have a beer 🍻🍺🍻 on me mate.
cheers mate!
I'm a civil engineer but I also take interest in mechanical engineering 😋
glad you enjoy it!
So I am not a Engineer and I don't do any machining. I would love to have a metal lathe but I have no real need for one. I do House Maintenance and specialise in the Rental industry. So we are on opposite ends of the spectrum. But, that said, I love watching your vids. There is something compelling about them and I wait with baited breath for each new video to come out. Both of you are so down to earth and it is so refreshing to watch a video without any posers in it thinking they are king shit which is why I also love the outtakes because it proves you are not only a excellent machinist but you are also human.
I have a saying up here in GardenHill, Ontario, Canada...... One at a time is good fishin'.... Your comments regarding doing one bushing at a time makes perfect sense! Well done!
When you make a freeze fit like that does that affect the ID of the bushing and if it does by how much?
I really enjoy your videos 👍
It does.. And by about the same as crush put on the od
@@brettwalkom948 thanks for the response
Didn’t think it true before i posted the stupid question
@@mrdriver511 not stupid at all.. It's definitely something you have to take into account otherwise the pin won't go through the hole afterwards
Very interesting and great explanation..and karens getting good with the editing...give big nuts a chest slap for me
Cheers Jason, we both trying to improve on each video with what we do so thanks for watching. 😎👍
I've followed you from the truck strut top cap repair vid and then went back watched every one and have watched every Friday since...you guys have come a long way and yet you haven't changed the format.... youve just keep doing what you're doing and polished it a bit...well done to you both
Excellent. To sum it up.if you ain't thinking your work is stinking. You do not have that problem. 1 of the many things i admire about you.
Many people learn from you Including me.
Every 0nce in a while it is really nice to do a nice straight forward job with Parts like these. No hurry, tight tolerance, a fine finish and finicky material. Such a shame to burry these wee beauties from the world from any one would see them. Oh well we all know how many hours are invested in these execution to the penny eh, Many penny's, eh my friend. Mr Safe is about as classically happy as I have ever seen him. He sure is a character and a 1/2 eh.Great post bud. You take care of you and yours fella. See you next Friday fella......Dean......
Every time, someone say liquid nitrogen, 'Liquahid nitro-hagen' comes to my mind.. 😂
"It just go moosh"
would you even save that much time doing them 3 up? you still have to take off the same material, so you would only save on the tool changes.
as I like to say to people, Do you want it done fast or done right?
nah would not save much time at all, really not worth it especially if you damage a part while doing that
Great job as always. Dude you are an inspiration to me I am currently trying to set up my own machine shop. So far I got 1 mill and 1 lathe. Thanks for sharing your work and knowledge.
I like it every time when you start with 'hello young guys'.. and I as a 56Y old lady looks to your video...
Nice video Kurtis, I like it when somebody shows their skills...
Greetings from the Netherlands (with snow outside at the moment)
actually saying "How you going guys" but a lot of viewers hear "young guys" 😂 Greetings enjoy your Friday!
@@CuttingEdgeEngineering Ahh, you going..
My English is not my native language let alone Australian...
But I learn...
Have a nice weekend Kurtis.
And a kiss from the Netherlands.
can not believe how easy Kurtis removes those Bushes.....3:00....Sum Ding Knot Good.....old Chinese proverb
😂 wise words
Kurtis, please don't wack on pins with your hands, you risk and will have lots of hand issues...take it from an old fart......use a BFH......big friendly hammer
hey mate thanks for saying so, easy to take my "youth" for granted
@@CuttingEdgeEngineering we all did that at one point.....hands are the most important tool in the shop.....and eyes......
Scrolled down to post this, I second the motion. Hearing loss and joint aches are not worth skipping the safety gear.
Always fun to see what people send you and shop dog happy.
Just the neatest stuff to watch! Always different and watching you solve problems is awesome! I can see why your customers trust you
Even Curtis's bloopers are more coherent than Joe Biden's rambling much easier to understand!
You mean Trump’s
Great video as always. Loved how you explained why you only made one bushing at a time. I’m sure several of us were wondering why you didn’t make multiple and it makes perfect sense. Thanks for sharing!
all good mate, we like to try and pre-empt what questions viewers might be thinking
As always, it’s a joy watching you work mate. You two work so well together, can’t wait for your next adventure!
CEE micro engineering at its best. Nice move doing a test shrink.