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Thread: Benchtop Crucible

  1. #1
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    Default Benchtop Crucible

    Anyone have any idea if this MIGHT work as a tiny batch crucible for boro? If I wasn't a broke ass Id throw down and buy the thing and let y'all know the results. I've thought for a long time a miniature crucible set up would be the cats ass. Not all of us can afford expensive 3 pot crucibles, nor the huge amount of glass to fill it. But to set up 2 or 3 of these things on the bench top and just fill with frit would be sweet. only thing I see being a problem is having to rig something up so that the crucible doesnt come up out of the unit when you pull the gather. Aside from that, I dunno....would it work? Does this thing get hot enough? Am I oversimplifying? I want my poor man crucible !


    http://specialtydiamond.com/furnace-...sting-bar.html


    Quote Originally Posted by Maestro View Post
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  2. #2
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    Default Re: Benchtop Crucible

    No experience myself but it does say its max temp is 2192F and I believe for boro you need 2200 - 2300F. Some one may jump in and correct me

  3. #3
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    Default Re: Benchtop Crucible

    This is the closest you'll get to a cheap crucible:

    http://www.paragonweb.com/Darby_Dipper_Crucible.cfm

    Even if you got that to melt glass it wouldn't be worth it.

  4. #4
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    Default Re: Benchtop Crucible

    I would say no
    Due to the small size and the loss of batch that is seconds .
    The usable amount of glass and the limited room to dip a tube in without hitting the walls or the bottom would be a pain .
    Then would it be deep enough to get a second blank of clear in.
    Lampworking the road that never ends, Until your out of gas!

  5. #5
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    Default Re: Benchtop Crucible

    I can't afford an Eclipse Jet, but damn I'd love to have one..... that $1,000,000 price tag is a bit out of my reach for now.

    Also, I don't think you really meant a batch furnace did you? I think you meant a melting furnace.... melting boro from batch takes a higher temperature than any of the small wire melters will reliably get to. Either way a small metal crucible wont get hot enough.

    Suffice to say... the answer is all around no, sorry, that will not work. For $1200 you can make a small pot furnace for melting boro....
    Doug Harroun
    Greymatter Glass
    Albuquerque, NM
    (505) 884-0318

    A̿̐͒ͥ̏̅͋ͤͮ́́̒͢͏̨͙̩̦͔̫̠̲̤ͅ ̑ͨ̎͆͐̉̍̐ͤͮͨ͐̇ͩͦ̏ͣ̚͏̷̶̭̝̠͓̞̱̭̫͙̜̮̫͔̤̱͕͢b̓̓ͭ̿̓ͥ̐̒͂͂ͧ ̡̓͋̐ͥ҉̧̹͎̺̳̩̬̘̯̮̜̼̻͝ͅē̵̹̯̦̟͔͊̓̔͗͊̀͆͗̀ͭͭ̀̇͋͋ͩ̓̓͞͞͞ ̘̰̘͈a̧̹͙͇̫̲̻̳̦̦͛͑͂̌̊́̌̂̅ͤ̿͠ͅų̷̶̡̺̤̳͐̂ͣ̋̀ͅͅt̍̀͋̽͗̚ ̶͎͎̳̤͈̘̞͕̣̲̣̼͙͎̬̪̜͎̯ͤ̃̈́ͬͧ͒͟͞͝͡iͪ̋̌̄̎ͪ́̚҉̶̰͎̣̥͉̙̘̬͝ ͍͈̻̻f̡̟̤̥̝̞̈̋ͧͮ̂ͣͬͨ͆͊̌̇ͨ̚͠͞u̵ͥͦ̑ͧ̆͂͐̊̏̍̋̓͗ͭͫ͆́̃͊͘̕ ̛̱̳͓̠͖̕ḹ̢̧̦̬̲̟̳̉ͯͫ̊̏ͪͫ͝ͅ ̵̺̫͙̗̦̠̯̞̫̪̩͐ͭͮ̏̓͒̏͊͋̚̚͘ͅḧ̨̛̭̼̘ͤͥ̿ͫ̊ͦͧͮͮ̀̓̔͌̉̓̀̀͡ ̺͚e̷̦̤̘̯͎̜͇͚͔̱̙͖ͪ͛ͤͮͬ͆͆̾̾͂̑͆̓͜ȧ̴̋ͨ͂ͣͬ̓̆͐̾̿̐̃̒͊͌́͝ ̷͇̮̙̗͉͍r̵̜̰̣̫͙̦̻̖͕͎̘̲̗̘ͦ̋̑̀̌̎̓ͭ̚͞tͨ̅̇͛ͫͫ̆ͪ̌͋ͩ̉ͯ͊͌̌ ̴̨̢̭͚̳̦͖̻̮̬̣̮̟͓͉̪͈̍ ̷̷̫̬͈͓̞͈̞̬̹̟̯͚̹͇̩̏͋ͬ̍͛̎̑̄̽ͦ̆̔̈́̀͆ͩ̓


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  6. #6
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    Default Re: Benchtop Crucible

    I got a Darby dipper and its almost too small. That thing looks like you could dip a small marble and that's about it. At 2192 degrees max it isn't hot enough either.

  7. #7
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    Default Re: Benchtop Crucible

    danx for the input guys. I thought it was far fetched, but ya never know. I guess Ill leave the dipping to the pros.


    Quote Originally Posted by Maestro View Post
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    Default Re: Benchtop Crucible

    The Darby dipper (not named for Darby BTW) is expensive for the build quality and longevity from my experience. The Glasshive is making some very nice boro dipping set ups. You can get them to build just about any thing custom you want...
    kik LTD.lukethedrifter
    tcbbyltd@gmail.com
    IG tcbbyltd_lukethedrifter
    Standard TCB $300
    Add by pass $340
    Add stage $590
    add stage with bypass $630

  9. #9
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    Default Re: Benchtop Crucible

    The AIM furnace we sell seems to be liked as it has a 30lb pot of glass to work with
    At least we haven't had any complaints just compliments on it so far...
    SUNRAY
    The Shopkeeper

  10. #10
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    Default Re: Benchtop Crucible

    Damn I couldn't imagine a 30lb pot full of glass, some day...some day.

  11. #11
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    Default Re: Benchtop Crucible

    30lbs pot goes fast... like less than an afternoon fast.
    Thanks,

    Andrew

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