Repair a CRACKED Caterpillar 789 Dump Truck Suspension Part | Machining & Welding
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- Опубликовано: 17 фев 2021
- In this video we are machining and welding to repair a cracked Caterpillar 789 Dump Truck suspension part. This part is the top cap of the suspension Front Strut on the dump truck. There is a crack right through the weld joint holding the pin into the top cap and the pin has been damaged. To repair we need to machine out the damaged weld and pin before drilling, boring and weld prep machining the top cap to suit the new pin. We machine up a new pin using 150mm (6” inch) 4140 solid bar and then interference fit into the top cap before MIG welding with Hobart Fabco XL525 dual shield wire. The suspension part is then back in the lathe to finish machining the weld and pin down to size. We then drill and tap a 1" (inch) hole in the pin to complete.
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Hey viewers thanks for watching todays video on repairing the cracked CAT 789 dump truck suspension part. That was our longest video yet! A few machinist porn shots there to enjoy 😂 let us know in the comments which part of the video you liked the best? These front strut parts are obsolete and hard to find 2nd hand so not much choice have to get it repaired. There was a full day in this job to get it all done 😎👍
That dog has 5 legs😂😂😂
Do not ever worry about the length of your videos, I don’t care how long they are because I get to see more of the actual work and they are not so cut up
What’s a doll indicator…lol?
“That is six thousandths in bananas.” That is awesome. Lol.
Why am I watching this when I should be in bed?
Homeless does not give up
Drilling the hole all the way through the new pin to relieve welding heat gas pressure said it all for me. This dude knows where he's been and how he's going to get to the end of the process at hand. Bravo Maestro. Stay safe.
6 thou in Bananas😂😂😂
Never stop adding outtakes.
I'm starting to believe he's actually doing the bloopers on purpose.
I am also a welder. I built and repaired mining equipment for 30 years. I sure miss my trade but to old and reduced to repairing stuff for homeowners and minor repairs to trailers and such. I really enjoy this channel because You are proud of your work and doing it right the first time. Thank you for your great craftsmanship.
Many excellent machinists on RUclips, but most only make new tools for their own shop, and useless example pieces. It is a pleasure to see an excellent machinist that also does real work. You are a rare breed, and I hope your customers know how high the quality they get is. Would be interesting to see more of your business: Customers, Suppliers, neighborhood, &c.
I love the white arrow pointing to the crack:
A true tradesman, not only at the top of his game, but obviously has a true love and passion for what he does which ensures every job out the door is perfect and of quality. Values and workmanship hard to find these days. You guys do a great job and amazing videos 👌👍
There is no doubt that you guys are absolute legends. The level of knowledge in all your video’s is off the scale. Your missus has clearly either got training or unbelievable natural talent in production (getting audio and editing right for this type of stuff takes skill). I reckon a big part of your audience is people who are not professionals, if there was any way you could show costing of repair vs replacement part I think it would really help people appreciate the value of your work. You are an extremely talented and relatable couple. Keep smashing it!!
I don't know anything about any of this stuff, but I find myself fascinated by the process. Like the format: problem, proposed solution, steps to solve, occasional dog interaction, solution, giggling at outtakes. Thanks for making these. Your well explained approach makes this seem straight forward but your skills are off the charts.
The Hi-Res close up shots on the lathe are magnificent.
I am no mechanic or machinist and I have said it before you are an artist and I am just gobsmacked how you do these sorts of jobs so entertaining. The job ended up looking like a factory-made piece just amazing.
This guy is a welder, machinist. A true tradesman. I like your content. I am an Engineer.