NWI INGO General Post - Part 7

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    thoroughbred

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    Jun 27, 2011
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    I think Daniel Craig is a great James bond...maybe its a generation thing. I do like Connery too! Casino royale is better than skyfall though and I highly recommend that you watch that first to get an idea how Craig portrays him in skyfall. Open your mind, you must Jedi! Lol
     

    jedi

    Da PinkFather
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    Oct 27, 2008
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    I think Daniel Craig is a great James bond...maybe its a generation thing. I do like Connery too! Casino royale is better than skyfall though and I highly recommend that you watch that first to get an idea how Craig portrays him in skyfall. Open your mind, you must Jedi! Lol

    meh.. fallen jedi need not have open minds.. ;)
     

    jedi

    Da PinkFather
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    just take your happy pills & go back to sleep.
    sadly some of us have to caught a train right now.
    lets hope its not late today like all of last week.
     

    actaeon277

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    Nov 20, 2011
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    Merrillville
    A breakout is when liquid steel breaks out of the mold. Since it's around 2880 degrees F, it is very dangerous. Even if it doesn't touch you, it can cause a steam explosion, start a fire, burn thru a gas line, etc.
    I had to put a small fire out on this one. No injuries.
    But liquid steel formed on equipment, and now has to be burned off. Then everything has to be tested.
    The mold we pour is is actually a modern marvel. We constantly pour in the top, and draw the slab out the bottom. The endwalls move, so we can vary the width. Motors and sensors to burn up.
    We now have 3 burned up molds. We only had three.
     

    actaeon277

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    What is the mold made out of? (material wise)??
    Since you are pouring liquid steel into the mold how does the mold not melt/deform/etc...

    The mold is actually a machine, that can be lifted off the line.
    The part of the mold that the steel goes in has 4 walls. The walls are made of one metal for strength, and another for heat transfer and minimize the tendency of the liquid metal to stick as it is cooled.

    If the water cooling the mold shuts off, or is just reduced, the metal will burn through the walls.
    If the slab is pulled out of the bottom of the mold faster than the sides are cooled to a solid shell, the liquid steel sprays out into the containment line.
    If the steel is poured in too fast, it overflows.
    If the steel hits water, the water instantly flashes to steam, causing an explosion.
    If the steel hits and burns through a natural gas line, well, I think you can figure that out. Nice 3 story flame comes out.
    If it hits a person, even wearing the aluminized coats, he'll probably live a few miserable seconds.






    Continuous casting - Wikipedia, the free encyclopedia
    "A major problem that may occur in continuous casting is breakout. This is when the thin shell of the strand breaks, allowing the still-molten metal inside the strand to spill out and foul the machine, requiring a turnaround. Often, breakout is due to too high a withdrawal rate, as the shell has not had the time to solidify to the required thickness, or the metal is too hot, which means that final solidification takes place well below the straightening rolls and the strand breaks due to stresses applied during straightening. A breakout can also occur if solidifying steel sticks to the mould surface, causing a tear in the shell of the strand. If the incoming metal is overheated, it is preferable to stop the caster than to risk a breakout. Additionally, lead contamination of the metal (caused by counterweights or lead-acid batteries in the initial steel charge) can form a thin film between the mould wall and the steel, inhibiting heat removal and shell growth and increasing the risk of breakouts."
     
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