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  1. #961
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    Ox, is there any way you could supply those turrets with 'a couple' CFM of dry filtered compressed air. At slightly above atmospheric pressure?
    Let it leak out around the seals. A bit of air leaking out......no coolant is getting in.

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    OK, so you can now add grease through the airline - I get that. But in such an installation, how does old grease escape? (As it wasn't designed for grease to begin with...)

  3. #963
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    Quote Originally Posted by dkmc View Post
    Ox, is there any way you could supply those turrets with 'a couple' CFM of dry filtered compressed air. At slightly above atmospheric pressure?
    Let it leak out around the seals. A bit of air leaking out......no coolant is getting in.
    Air purge maybe could be possible in stead, but then there is no lube benefit.


    Quote Originally Posted by bryan_machine View Post
    OK, so you can now add grease through the airline - I get that. But in such an installation, how does old grease escape? (As it wasn't designed for grease to begin with...)
    It spits out. Not like it's going to get 5 pumps a week or anything.
    Just a smidge at some point will likely make a big diff from nothing.




    Looks like this when together:





    ----------------------

    Think Snow Eh!
    Ox

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    Put a Lubricator on it, and maybe a solenoid valve, Valve is open whenever the control is 'in cycle'. Coolant is off when yer not 'in cycle'?

  5. #965
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    Ox, it's probably a case of burned out IGBTs in the spindle drive, so maybe just get a set of IGBT modules and replace them?

    A volt meter can tell you which of the 3 phases died, assuming it lost a phase.

  6. #966
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    They tested good on the meter as best we could tell.
    I may have my EE look at it quick some time tho.



    ---------------

    Think Snow Eh!
    Ox

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    Metal X scrapyard fire adjacent to one of our local steel mills.
    The yard is only 1 year old at that.

    This is from the 5:00 AM report this morning.



    Fire crews desperate for water as fire at metal scrapyard in Delta continues to burn | wtol.com



    I saw the cloud on my way home from delivering parts in Michigan last night @ 25 miles away.




    ---------------------

    Think Snow Eh!
    Ox

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    Geez! Reminds me of a tire fire they had in Akron when I was a kid. 22mi away we could see the smoke. Wonder what kind of scrap they had there? I could see the local yard up the road burning like that. Piles of cars, god knows what heaped everywhere.

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    AFAIK it is all shredded cars.
    That's all I've seen there at least.

    IDK if maybe they are all shredded, but maybe hadn't been through a sepparator yet?

    The fire is in a pile that is all around a big (new) stationary crane - and that is apparently what they are mostly concerned with at this point.
    Not like the farr is going anywhere.

    However - right accrost the road is a 15 acre (?) greenhouse, and they would likely not appreciate embers flying their way.
    However - normal prevailing winds would not doo that.


    --------------------------

    Think Snow Eh!
    Ox

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    IIRC car shredders (the big ones in a building) have separators for the other stuff. Glass, rubber, etc.

    Like tires.

    Crumb rubber in a large pile will self ignite (ask any tire recapper)

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    Is that nice new crane toast?

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    Fire was reported as "out" as of the 11:00 news last night.
    Much quicker than they expected.
    But we will see if it stay's that way.

    I know that many scrap [chip] piles will re-flame a day or two later.
    Not sure what a pile like this would doo, but all crews went home last night, so ....

    No word on the equipment yet.
    I'm guessing that they will need some time to assess that.
    Those were some big flames.


    ---------------------------

    Think Snow Eh!
    Ox

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    I remember working on some parts for a shredder in NE Ohio. I don’t remember the numbers, other than that it was BIG, and I remember the guy saying they could drop a whole school bus in the thing. He said when they dropped a semi in, if it had a big engine block you could hear the shredder motor start to grunt.

    An enormous flywheel, at a sickening high rpm, with a tremendous amount of hp.

    Apparently that whole operation was small potatoes compared to MetalX

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    Demilta in Painesville has one like that.

    although I think it has only a caged ladder, not the nice stairs.

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    Scrap yard by me put in a big ol crane like those.................huge foundation. 100' reach with a big ol counter weight. Pretty cool unit.

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    A yard I do work for had a pile of cars go up last week. One of the guys said they saw the lightning strike on the security cameras and it spread over the pile of cars and across the ground like a spider web, traveled probably 1/4 mile across the ground. It was at night so no one was in the yard but there is usually 20-30 people in that area during the day.

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  19. #978
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    I thought that (intended to) I updated this...


    I went past there Sat morning, and came around the block on the way home so that I could see the other side of the crane, and it looks fine.
    The white paint wasn't much if at all tarnished. At first I thought that the furthest arm of the crane was discolored, but it appears to be a light grey on both sides, so I guess it's just a diff color. ???
    (I will haf'ta go back and look at the linked pics)

    Now the next question is how the conveyor came out?

    Most all the time that the fire was burning - there was a south wind pushing the heat/smoke away from the crane, which Shirley helped, but that fire HAD to have had a LOT of infrared heat value! I'm amazed that the paint doesn't seem tarnished!


    -------------------------

    Eddie Money gone @ 70
    Gunna haf'ta git a new season opener for Pine Knob now ....
    Ox


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