#261
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Re: Great Dane excavating co.
Nice machining, those cylinders look great!
Your right about the DRO, I wouldn't be without mine on the mill, I've fitted one to the lathe too. |
#262
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Re: Great Dane excavating co.
Thanks Stuart, I would like to say I got them down but still finding ways to make um better.
This is my heat shield to prevent caps from coming loose. Probably didn't need it as a lot of room between heating area and caps but I would be cussing for a while if not. . And after some clean up the joint is barely visible. Even though it's getting yellow or black paint I was happy with it. My honing and polishing station Using stainless for the shafts, it actually looks more polished than pics show.
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#263
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Re: Great Dane excavating co.
Man that looks purdy! Have you tried using drill rod for the shafts?
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#264
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Re: Great Dane excavating co.
Nice work!
Did you solder them together or did you braze them? Kerst |
#265
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Re: Great Dane excavating co.
Silver solder on those parts and then just reg solder (lower melting temp) on the tubes and hardware. I think next cylinders I make I will braze those and solder the smaller stuff.
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#266
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Re: Great Dane excavating co.
Never thought of drill rod. I know the tolerances are a lot more exact than the stainless I use but for these I think it's fine. And that tool steel might be more of a pita for me to work . Although I need to get some to make shafts for prop balancers. (Center ground on ends but I will get a chance to machine that stuff).
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#267
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Re: Great Dane excavating co.
Quote:
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#268
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Re: Great Dane excavating co.
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Other than that, Cooper very impressive work! Keep it up
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Make peace or Die! 1st Bn 5th Marines Last edited by Joe25; 12-05-2014 at 08:20 PM. Reason: typing before thinking |
#269
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Re: Great Dane excavating co.
Well if it machines not too bad then I will use that for next project. I did look into McMaster and the different tool steels, easy to machine.
Like I said before I can't take the boom apart cuz of seized screws (without a lot more work). I was using the 6mm shaft for centering the part on the table. That way I could make sure both top n bottom were lined up. And bushings, bushings, bushings. Also used them for a bit of spacer. And made this up, some added support for end of stick where bucket connects. I do want to add weight to the machine but not to the arm, rather like joes idea of plate steel on frame. Somehow I'll bulk her up .
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#270
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Re: Great Dane excavating co.
The drill rod could be in it's tempered form ( not heat treated ) .
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#271
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Re: Great Dane excavating co.
I'm not sure what grade the drill rod I have been using is. The local metal supplier only has one kind so I just get what they have(blue paint on one end). I know that I overheated the piece I was referring to. I welded a very small piece to a big piece and then tapped it with a hammer to straighten it. It broke right off but not at the weld. Anyway, I went back to using mild steel for those parts because it's much cheaper and I save the drill rod for the important parts!lol
Sorry for taking your thread off topic RW. You're doing a great job on the excavator rebuild. By the time you are done it will be a whole new machine! |
#272
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Re: Great Dane excavating co.
Never off topic at this company. I have realized lately that using the right tool and materials make a difference. I got spring steel before unheat-treated and it was like butter. Then torched it to harden and it got its properties back. Just have to have the knowledge, I may be slow,,,,, but can still learn . Lol. Yes the 4200 transformation into a 345d cat is getting extensive. I'm not sure how the details will end up but the structure and functionality are what I'm aiming for. I'm not going to mess with the swing gear assembly, just get right mesh and everything tightened up. Although,, I may look into a more robust gear head???? And possibly a touch faster swing.
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#273
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Re: Great Dane excavating co.
So I should be done bushwacking!! I tried to keep bushings sticking out a touch. All have been undersized boared and pressed in. Then .001 oversized reamed for shafts to operate smooth from the start.
Now to start on hard lines or new bucket. Any areas you guys think need some tlc?
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#274
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Re: Great Dane excavating co.
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#275
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Re: Great Dane excavating co.
Don't you mean "buckets"?
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#276
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Re: Great Dane excavating co.
Humm,, lol,, I'm thinking of that, don't know how much work it will be making one. I'm not a fan of the thin metal work . But once one is made, well might be two, then a claw, then a sifter and ,,,,,, oh where does it end? I have to find that thread someone had with an electronic quick connect. I do want to somehow put a dremell blade on the end and use it as a makeshift harvester for a lot of saplings growing under the deck.
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#277
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Re: Great Dane excavating co.
Just dropped this off at home, another project that will never be completely finished . A conveyor and/or screening plant
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#278
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Re: Great Dane excavating co.
Oh this is just great! Another hoarder like me! Misery loves company! There's a special place in heaven for our wives....
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#279
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Re: Great Dane excavating co.
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Yea, I told the wife when she happen to stop by when I was unloading the latest treasure that my mom had this old treadmill that she wanted me to take a look at, as it didn't work. Kinda funny as she immediately replied " why, that junk doesn't work and she already has one,,,,,,oh ,,, no,,, wait a minuet, did she ask you to fix it or toss it??" Then the fun deceitful creativity took over, hope she doesn't talk to her about me "fixing" the old treadmill!!! It will be in pieces and neatly stowed waiting to become another backyard landscape feature that will only improve property value.
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#280
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Re: Great Dane excavating co.
Haha! The one I have came from my wife's parents. It still worked but they didn't use it anymore as they have taken up running and swimming. I found out that it was going to the scrap yard so I told them I needed it! My wife and mother in-law gave me a weird look(the same look your wife gave you) as my father in-law and I quickly proceeded to go down stairs and prepare it for "transport". It is stowed in a canvas car shelter just waiting for the day that I decide I need a conveyor that's 6' long.lol I prefer to call myself a "re-purposer"(not a real word) rather than a hoarder. There isn't much that I don't see potential in.... It's how I was raised so I guess that explains why my shop is cluttered with "stuff" from one end to the other.
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