@@str8ballinSA True. It's all a matter of priorities. First, they will have to invent broom and shovel, before it's the turn of toilet bowls (not to mention flushing water).
Picture this: Your equipment is operating in a remote area where most spare shops only take sales on order for most equipment, nothing is always available on the shelf. It takes some weeks to arrive, what do you do as you wait for the correct replacement? Exactly what he did. Workmanship and accuracy aside, it is a good thing to note some parts may be repaired, it is saving this world another iron mine and steel factory
The title says it all; this was just an experiment, I doubt they would use a good shaft for an experiment and considering how the shaft was bent from the get go...
This is a Band-Aid and will not stand up to the abuse they put on these vehicles through..I mean they broke the original part that was heat treated and they melted it for God's sake! But the amount of craftsmanship and ingenuity is awesome with these people. ❤
I wouldve done a better job with a grinder and stick welder, ive done it few times by now and the welded part hasnt failed ever. No clue why the hell would they put that thread in there, to weaken it even more?
Whatever the diameter of that threaded end, the strength will be about the same as an equivalent sized bolt? Nowhere near what the original solid splined bar was.
@@mihkus My father would have silver soldered something like that instead of arc welding. The silver would have flowed around all the threads a made a reasonably strong bond
shouldnt weld loke that using the lathe as a ground wat happens is that the current goes through the bearings of the lathe partly welding the balls to the races and wearing them out verry rapidly if you do need to weld on a lathe make sure the groundstrap is on the piece youre welding not on the lathe itself seen a few of this exact repair where they wittle down the shaft to half its size fit a new piece with a hole over it and weld it up , they done it a few time so it aparently works , i just wonder for how long as theres a pretty big twisting force on a halfshaft
He may have put the return clamp on the lathe throat. I once did a similar emergency repair for a motorhome with a damaged spline after a bearing retainer failed letting the axle walk. Instead of threading the coupling I did a full 0.002 interference fit and pressed the undersized replacement spline onto the reduced spigot using a 40 ton press with the spline heated to almost red. Then finish welded, cut and heat treated the entire tail back to original hardness. Not sure how long it lasted, but it got him mobile again for about half a days work.
Very good work. I like how you repair things, and not just throw them away. In Norway this axle would been scrapped, and the owner would need to buy a new (and very expencive) axle. Greetings from Norway.
In the west we have accountability and stands behind our work with warranties. I’m a truck mechanic in Canada and if I did that to an axle, and it broke off causing injury or damage I will lose my license to work on trucks and potentially be tossed in jail if anyone got hurt or died. I’m not risking my livelihood to save someone couple hundred bucks. They must buy a new axle or I’m not working on their vehicle.
интересно,а эти ребята вообще в курсе существования болгарки,фасонных резцов,отрезного резца,особенностей термообработки полуосей? не,работать оно как то будет,но сильно меньше нормальной полуоси ..
У них походу резьбовым все операции выполняют, но в защиту данного видео - станок нормально выглядит (не как из фаллаута) и штанген присутствует, а не клешни из автомата с магкими игрушками
@@aslerunarborgersen5175 I supppose the only empirical answer on useful service life is encumbent upon the operators of the vehicle and I highly doubt that will happen. In reference to providing the same durability of a new part. That is simply a nonsensical assessment. Whatever the circumstances when the initial failure occurred would most assuredly result in a subsequent failure and very, very, likely -- significantly sooner as material integrity and specifications as originally engineered/designed is absent. This is a repair. If I am confident of anything, it would be the operator of the vehicle knows very well what NOT to do in order to maximize the life of this 'repair'.
Removed the heat treat, and joined so so. I understand though, use what you got. But i would have drilled some small holes through both pieces and welded that too. Then givin it a reheat , oil quench, temper to straw, to at least try to get a bit back. And release some stresses. Anyway. Nice work on doing what you have too and gittin her done. Hopefully it lasts till the better replacement is found.
The job looked great when finished, but could never be as strong as a new replacement. Also, I feel that (if you are going to weld the job whilst it's still in the Lathe), it would be better to place the Earth Electrode directly onto the shaft being turned. In this way, the extremely high Welding Current will not be transmitted through the Lathes valuable Headstock Bearings - where there is some resistance due to oil, and the Ballraces themselves.
Title say’s experiment and dudes just showing off his 3rd world skills making a better video . But ya kinda unnecessary if it was to fix something that was getting welded anyways .
@@williamallen7836 That’s where the welds come in. And depending on left or right hand threads either way forward or reverse there’s a chance of it backing out. It won’t back out all the way as the axel is in the hub but with no welds I’m sure stuff will break down Waller out and such.
@@dustyak79I think the best solution would be a hole cut perpendicular to the splines going through both pieces of metal and a pin run through the hole, welded at the ends of course. Strongest joint would probably be threaded(with threadlocker added), welded at both ends, and having a dowel pin run through it(also welded)
Люблю Я запах разогретого металла , И хруст окалины под ногами от поковки ! на полах из паркета и мрамора я чувствую себя неловко, А здесь меня судьба прописала!
Кто-нибудь, расскажите мне, зачем он там нарезал резьбу, если потом все равно заваривал? Работать будет только сварное соединение. Лучше бы он сделал гладкие поверхности и с горячей посадкой одно надел на другое - больше толку было бы.
good effort and excellent skills.there is too much pressure on the excels due to torque .these kind of alterations should only be done in case of extreme situation when parts are not available.normaly not recomended due to high risk factor.
Interesting fix. But, that's all soft metal. He doesn't seem to have a way to heat treat anything for strength. But, good enough for a roadside repair, I guess?
Why does he ruin the heat treatment of the part before cutting it? I know it will soften it and make it easier to lathe but he's got carbide tooling which is more then capable of cutting into the shaft without softening it first. But I guess the welding would have done more damage than the torch
The interrupted cut on the hardened surface was instantly too much for the tooling. Note that subsequent cuts that left the surface blue. Something is very wrong with the feed/speed, tool angle and edge. Chips might end up blue with a heavy cut, but not the work. I don't know the alloy, but that may have left the surface work hardened and made each subsequent cut harder on the abused edge. If the original part with a properly hardened surface failed, the replacement is going to have a very short life.
По покупательной способности индия опережает нашу страну. Т.е на одну и ту же зарплату их работники проживут чуть дольше, чем мы на свою... или позволят себе жить чуть лучше.
Exelenteeee reparación mis hermanos felicidades 👏 y Saludos cordiales y un abrazo fuerte a la distancia desde Monterrey México y le mando su poderoso like 👍
The most fun part is the assembly can be screwed to precise length before welding. BTW as the threads mostly locate the threaded joint could be of much smaller diameter where deeper weld penetration is desired.
very well done. The non use of cutting oil did bother me but not near as bad as not covering the ways on the lathe before welding. Why be so hard on some pretty nice equipment. But no doubt a solid fix
@@franciscocerutimahn If you don't connect the welder ground to the chuck or better the work piece the current goes through the bearings of the lathe and damages them.
I always take off the three jaws when I get a lathe and get a buck adjust tru 3 jaw. I agree with You , How can You have a lathe and not be able to indicate Your work?
Please read the title "ONLY EXPIRIMENTAL"! Wonder why he didnt just hot spanner off with the oxy instead of turning and parting off, GOOD SHOW! Any thing is possible TOP marks mate!!.
Guess where it's going to break next. Hint - the axle strength has been reduced by removing all that metal so the failure point is where the reduced section meets the original section.
If you weld things in a lathe, the whole weldung current will pass the spindel bearings and can ruin them. The ground clamp has to be connected to the work piece directly.
My first guess was Habeeb to weld on it to get the length & shape back. Then turned back to size finishing the splines back into the shaft with an angle grinder. Don't forget to throw the part on the dirt floor after every step.
