Rebuilding stub shaft on Sumo Trio packer roller.
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- Опубликовано: 27 янв 2024
- In this video I rebuild a worn down stub shaft on the end of a Sumo trio cultivator packer roller.
Firstly, the collars are removed from the shafts to expose a portion that is unworn. I decide I can use this to make something to centralise my line borer.
I flame cut some 102mm circles on the CNC table from 30mm plate and start making a clamping system to clamp onto the good part of the shaft.
The billets are put into the lathe and machined down to 100mm diameter with a step also machined onto them. I cut off and clean up a short length of tube that fits over the step on the circles and weld them together.
I then drill and reamer one end to 40mm to suit my line boring bar and the other to 60mm to suit the good part of the stub shaft.
Next, I set the part up on the milling machine to mill, drill and tap the bolt holes for the clamping bolt, I use an M10 cap head bolt. After the holes are made, I cut through one side with the grinder to allow it to be pulled together and clamp on the shaft.
I then start setting up the clamp and bar. I decide its too difficult to get an idea if the bar is running parallel with the packer, so I set up bearings on my bench and sit the packer onto them so I can spin the whole thing. Once I’m happy the bar is something like I can slide the bearing set on.
New longer stands needed to be made to mount the bearings on.
When everything is finally mounted, I can start machining the shaft down.
I take 2 cuts off the shaft to start with to give me some depth of weld.
I run welds all the way around the shaft to rebuild it and then machine back to 60mm. I had a few issues with rigidity so this was done with several light passed.
The bearing was a little tight so I had to polish a little bit off with emery tape and sanding wheel.
Thanks for watching.
Hope you enjoyed the video. 
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I don’t know if the average person would understand the intelligence that you display in the way you do the things that you do. You are way above average and I love the problem solving skills that you have. I hope that you make the millions that someone of your competence level deserves.
Oliver, once again you have worked with great skill and precision. I have worked with top of the range cnc machine tools that cost a fortune and are ultra precise however, whenever you have to reach in or over you get chatter and vibration. You do an amazing job with what you have. I just love your honesty and talking us through your thought process and problem solving. Thank you.
Great job, well thought out solution to a tricky problem. You saved your customer a lot of money.
I hope that your customers watch these videos and appreciate what is involved in
making what could be perceived as a simple repair.
Thanks for taking us along.
The shared thought process is the stuff you can not learn from Books. Now I know why to always bore Centers in Cylinders that will be part of heavy duty machinery . best Thing: Now you have all the tools you need for the next similar job!
Thanks for the education and entertainment.Much apreciated! LOVE the swoof🤓
Outstanding problem-solving skills and a delightful way to spend an hour on a Sunday morning - thank you! I'm mindful of the fact that you'll have spent an inordinate amount of time and effort to film and edit this video. Your work is at least equal to Kurtis at Cutting Edge Engineering in Brisbane, where not only does he have an amazingly well-equipped (and warm) workshop, but also his wife to film and edit the video. Thank you very much for posting such interesting and educational content. Your videos just get better and better, I never want them to end!
on the other hand Abom would have done 9 or 10, 1 hour vids on this job.
@@jamesdrake2378 Agreed! When I found myself fast-forwarding through Abom's more recent videos, I'm sorry to write that I stopped watching his channel.
Aye, and not only that he has farm work to do as well and often does these jobs on his days off so in my opinion he deserves the CDM (Cadburys Dairy Milk) award for these films.😊
You seem to have the most difficult jobs and still do a good repair. Very impressive workmanship!
God bless you
This video shows exactly what machine shops are up against when doing repairs. Sometimes it takes you a day or two just to make setup so you can actually work on the part. And you may not need this setup again for couple of years. You got a great set of skills. Enjoy watching your videos.
It's interesting to me how when you are presented with a problem you come up with a unique solution.
You are investing a lot of time and effort into the tooling, and the future of your business. My hat
is off to you!
Nothing like a Sunday morning, cup of coffee and a spanking new video from Oliver.
always requires much more preparation than you would expect with lineboring.
nice and solid fix.
cheers ben.
First class display of your ingenuity and problem solving skills. Excellent video and a well deserved PAT on the back.
You never cease to impress
No challenge is too big
Another p'fect job Oliver
What an amazing amount of problem solving, especially given the ridiculous geometry you've been tasked to work with. Obviously, this implement was never meant to be repaired. Great job!!
every machineb building engeneer should watch your videos -- the are so great to see the troubles constructions run into ...
Brilliant video, Olly. Impeccable problem solving and on the fly tool making to deliver the finish needed and desired outcome. It's agricultural engineers like yourself that are a key factor and backbone of farming in Britain
Good work Ollie well done a awkward bit of kit to work on, Somerset Mike.
Always impressed by your problem solving skills :) Thanks for the video!
Niby prosta naprawa a ile czasu ,wiedzy i cierpliwości potrzeba aby robota była wykonana prawidłowo. Przecież to tylko proste narzędzie do uprawy ziemi , nie musi być piękne ale skuteczne. Super !😀
Incredible! Another piece of machinery saved.
Son, I don't care what other people say about you, you have a skill set that any machinist would be proud to have.
Well done , this was a real simple bit of equipment with a problem that resulted in a lot of complex problem solving and the fabrication of specialized tooling to do the fix. I think you did a really good job of the whole project. I hope you get paid well for all the effort you put into fixing this!
Thanks for taking us along on the journey! I am a retired engineer and enjoy watching your progress.
The machinists never ending desire for square, even, and parallel never cease to amaze me
Oliver, what a great project to share, showcasing your ingenuity and skills. Love your format and practical approach. Hope your channel will get the love it deserves this year.
Another topnotch job mate!! In the words of Alec Steele " you need a tool, you make a tool"
Your fixtures and jigs are more fun than the repairs
All the innovative fixtures you make are amazing, we'll done !
Had to listen a couple of times at the beginning because I was trying to get my head around what you were doing, absolute genius of an idea, no wonder I couldn't understand it at 1st. 😂😂
Not perfect? I think that job was a lot more perfect than it needed to be!! An adjustable support at the outer end of your boring rig down to the floor may help to reduce chatter. It is amazing how much solid steel will flex if you hang a weight in the right place!
Another really enjoyable watch displaying your superhero skill level!
Phil.
Fantastic work and attention to detail. Need more people like you willing to go the extra mile to do a good job.
Great job, and I think far more precision than needed. Given that that roller thing doesn't seem to be powered, but is just rolling along the ground, I think no one would notice if your centre was 5 mm off.
That collar idea to preserve enough shaft to align a repair jig is clever engineering. Leaving a center drilled in the end would have been a courtesy too, but you can't expect everything from manufacturers.
Love these videos! Thank you for putting in the work so we can enjoy them.
45:48 maybe another three legged support same as the one bolted to the legs you welded to the roller.
That should stabilise the cutting shaft holder to reduce movement.
I’m sure you will have a multitude of modifications over the years to perfect your line borer.
Changing the cutting tool center height made a big difference there was more cutting less rubbing.
👍👏🚜
We knew from the start that your idea about being true would be fine. You take a lot of tie to think about the best way to attack each job. They always come out10/10 great work, really enjoy watching you work, thanks Andy Australia
Brilliant use of the human mind to create tools to solve a problem. Beautiful video.
Where most would have given up, Snowball figures out a way. Impressive!! It seems like some support on the other end of your line-boring rig would have helped. If your fabrication table extended out under the line-boring setup, and there was a way to brace the hanging end so it isn't hanging, it might cut down on the wobbling. I'm sure you'll continue to improve the design, and I'm here for it.
Great job Oliver. I love the way you just whip up a tool when you need it! Peace! 🇺🇸🇬🇧👍🏻
Thanks! Here’s some change , like to see you get a heated jacket or heated pants, great show and content
Thank you!
Perfect video for a dreary sunday morning! Great job Oli!
Hey Oliver, very nice, well done. For this type of work i love the horizontal boring mill tho 😅 maybe for more rigidity put a roller stand on the far end where your drive motor sits, it could help the flexing of the entire boring setup. Or try for a finish pass a razor sharp ground aluminium insert or hss toolbit and take of only a small amount to get a good surface finish. For this application it is good enough considering the amount of wear and that it was in use with a couple mil undersize 😊 Greetings from Germany, Chris
I was using an aluminium insert for the last light passes. Was cutting a lot nicer with no chatter 😄
@@snowballengineering good to hear it worked for you 😊👍. For me almost the only reason to have aluminium inserts, as most of my work is steel. But they do come in handy in some setups where rigidity and stickout is an issue 😝
It took me a while to work out how you were going to do it, but it all made sense eventually. Brilliant work ☘️
Wow that hail was serious! Great video, I love that you keep your videos long. Perfect for my Sunday morning coffee in New Jersey usa
Great work Oliver.All that work making the tooling will be setting you for future work.
You are a truly gifted engineer bud. Nuff said 🙂
Great job. The stub shaft was obviously not designed to be serviceable (for obvious reasons). I bet your customer could buy a very fancy grease gun and a lot of grease for the cost of this repair.
Most farmers are known to ignore basic maintenance. Use the equipment till it breaks and fix it, while they complain about how long the repair takes 😄
it most probably had a poor construction, the tolerance of the pin fit was wrong, it had to be a tight fit due to circumferential load
@@frank-t6857 I agree. I have a farmer in the family and I know loads of Farmers. I have a smallholding and occasionally buy used, small, farm equipment. All of the stuff I have seen has suffered from severe lack of attention similar to the shaft on this cultivator.
@@nascodigorgio6121 Maybe. However I also know that the guy who founded Sumo and designed a lot of these cultivators is known for building stuff that is over engineered rather than the opposite. At least thats what I am told by some farmer friends who know him well.
Crazy how all the tools you make get rusted so quickly, but if a bummer !
It’s very frustrating
Your problem solving skill are amazing Oliver, very impressed 👌
You are hell o a lot sharper than most knives in the drawer. Nice work!
I’ve always enjoyed your videos, but this one had me mesmerised. It took me awhile to comprehend your methodology and thinking, but minute by minute it came clearer. ( I’ve put it down to old age and brain fade)
I take my hat off to you. There’s a machinist on the other side of the pond, publishing content using multi million machines, that is nowhere near this . What you achieve in your workshop is remarkable. The job doesn’t need to be pretty so long as it’s functional and better than it was originally.
You must be proud of your achievements given the trials and tribulations that was thrown to you over the days.
You are very clever finding a register for your tool on such a difficult item for precision. That was a great solution.
As usual all the time goes into making the jig, let’s hope there is another one to do sometime in the future! Cracking job, personal I would have filled it with some bearing fit 😂😂
That was a super bit of home made machine tooling, well done for demonstrating your thought process ⭐⭐⭐⭐⭐
Thank you for sharing, great job , I learn a lot, always a pleasure watch your project 👍👍👍👍
Excellent work! Young lad! Keep up the great work! Thanks for sharing!👌👍
Huge respect mate, your work and ethos are second to none, really look forward to your videos
Australia has Kurtis at Cutting Edge Engineering, we have Ollie at Snowball Engineering. No useless waffle these two just get on with it and show us how it’s done. Very talented people.
Great job Oliver! I like your set ups. I agree with you about "it's close enough". Slow rotating vibrations are not an issue. I am sure the jig you made will become very useful in the future when worn shafts come in for repair. Keeo up the great work!
Jeez you've had some weather this winter
Food would cost a lot more, hell, people might not eat without problem solvers like you. Thanks.
Very impressive line boring setup. I don't think people understand what it takes to get this right and how much it costs in time and materials. A set of metric 8mm taps for example, hugely expensive. I hope you charge customers appropriately for your skill and time.
I think getting the whole roller to run true on rollers is very difficult as the wear and out of round are not only affected by welding but also by the nature of the work that the roller does.
Well done, thanks for the video.
Hello just thought id say what a great piece of engineering.... excellent 👍
Well done!! Greetings from the northern plains USA.
You are a very clever lad, Oliver. Well done! Your simple solutions to problems are really outstanding! Hope you're saving your pence (pennies) for a larger shop! 😉
Excellent as usual.
all problems have a solution .... your proving that all the time
Great repair job on another unusual piece of equipment. Can't wait to see your next job. Your weather is pretty much like the Midwest weather in US recently, hopefully it gets better soon for you.
Another great repair job and your problem solving well done again
Another great job.
Your ingenuity is so admirable. Excellent work and such an interesting and instructive video once more.
I really appreciate how you approach and think about your jobs.......
Brilliant.......
Best Wishes, Paul
As we have come to expect, imaginative fixturing and in-process problem analysis and correction. Thank you for taking the time to film and share it.
Lovely weather you're having as well 🙄
Pretty sloppy here in the Northeastern US as well if it's any consolation.
Have a great day!
Second verse, same as the first! Very interesting to see your thought processes enacted so ably! 👌👌👌
Great job, genius craftsman. Keep up the great work.
Well done! Thanks for letting us hang out.
Doing more with less , extremely well done . I've seen machine shops with very high end machinery get the same results as you have produced . Great video and I'll be a loyal subscriber . Good night from central Arkansas here in the United States .
Another great video Oliver!
Great setup! Keep up the good work and BeSafe!
I get a bit of mad scientist vibe from you. Sometimes the way you do things is more interesting than what you are doing. 👍🏻
I have to echo the other comments, fabulously thoughtout and executed. Cheers matey
Awesome work Oliver 👏 👌🏻
With what you had to work with the job looks great! Thanks for your time efforts and skill in setups.Always enjoy!!!
Very nice bit of engineering. Good job!
Yet another great video & explanation, keep warm though.
This channel is quickly become one of my favourites and the most anticipated for a new video
Another great video Oliver 👍
Great video olly
Nice one ! 👍
Good bit of problem solving and yet another attachment made hopefully be able to use on other projects !
👍👍👍👍👍😁😁😁
Well crafted solution!
Some careful thought and planning to get the job done. The set up and extra tooling must be the biggest task in job like this. Nice solid repair. Thanks for sharing your work. Brian from South Yorkshire.
Lots of challenges to overcome well done very skillful thanks.
On the lathe stick a piece of bar stock in the chuck. Put indicator base on headstock and indicate vertical spindle play as you lift the barstock. You may need to get in the manual and the headstock and tighten the preload on the spindle bearings. Aim for 10 to 15 inch pounds of breakaway rotational force. That is about one foot pound. A 24 inch bar centered in the chuck with one pound hanging from the end.
Great work as always! Thanks for sharing
Ive missed a couple of your uploads, just no time to sit an enjoy them. Off work today, just me and the baby, time to relax with some snowball engineering
Hi Oliver😊 good problem solving mate, and a nice repair on a difficult piece, making fixtures as you go. Those hailstones were impressive as well, glad you got power back on these storms have been pretty wild. Cheers mate stay safe, best wishe's to you and your's, Stuart UK.
Great work and problem solving.
Thank you for the video 😊
Great video ,always amazed how sharp your tools are they peel steel like butter
That is an amazing job Oliver, and interesting too. As they say "Its Not In The Book" you really did need to figure that one out yourself.
All the best from down the road - Newark.
Pure Genius .!!