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Thread: Just sitting here waiting on my aluminum to melt

  1. #21
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    The flame is definitely small, what kind of regulator do you have?
    Pull your burner back into the wall of the furnace. It also looks like the flame is impinging on the crucible, that will burn it up quick. Angle it so the flame swirls around the pot.
    Turn up the heat!
    Bones

  2. #22
    Senior Member OCD's Avatar
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    David and Fish are correct, lack of fuel will also cause the burner to start sputtering.

    It's all a very delicate balancing act.

    Tell us a little about your entire set up, (ie., burner & regulator).
    Need specific details.

  3. #23
    fwiw... harbor freight weed burners screw straight to the tank and don't deal with regulator b's. they sound like a jet engine and put out crazy heat.
    WWW.TheHomeFoundry.org
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  4. #24
    Quote Originally Posted by FishbonzWVa View Post
    The flame is definitely small, what kind of regulator do you have?
    Pull your burner back into the wall of the furnace. It also looks like the flame is impinging on the crucible, that will burn it up quick. Angle it so the flame swirls around the pot.
    Turn up the heat!
    Thank you everyone so much for the helpful advice. I ended up cranking the heat up full blast and coming inside for a bit. Went back outside like 30 minutes later and the whole thing was bright orange with a big pool of liquid aluminum. Finally!!!! I poured it and my casting was not perfect but I was overall happy with it for my first try. Just gotta sand him down and do some cleaning up. I lost a big part of his leg and half of his robotic arm. The backside came out very rough too. I think I'm going to fabricate a piece for his robotic arm and his leg out of some pieces of scrap aluminum. IMG_20170812_181351.jpgIMG_20170812_190459.jpg1502590362617944926408.jpg

  5. #25
    Moderator DavidF's Avatar
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    How was the pattern made?
    A calm sea does not make a skilled sailor...
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  6. #26
    I remember that little dude. He came out better than I expected. Congrats!

    He was carved wax david and invested in PoP. http://www.alloyavenue.com/vb/showth...-brass-to-melt
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  7. #27
    Senior Member OCD's Avatar
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    Nick, I gotta ask.

    Was kind of aluminum did you use to melt and pour?
    Extrusion, cans, wheel rims???

    The cast aluminum from stuff like rims and the sort have silicone in them and flow a lot better.

    Just trying to understand what you did so we can possibly help out here.

    Cool lil dude.

    - - - Updated - - -

    PS,

    Cast a lil chainsaw and weld it to his nub.

  8. #28
    Quote Originally Posted by OCD View Post
    Nick, I gotta ask.

    Was kind of aluminum did you use to melt and pour?
    Extrusion, cans, wheel rims???

    The cast aluminum from stuff like rims and the sort have silicone in them and flow a lot better.

    Just trying to understand what you did so we can possibly help out here.

    Cool lil dude.

    - - - Updated - - -

    PS,

    Cast a lil chainsaw and weld it to his nub.
    Thanks guys. I ordered some aluminum bricks ingots off eBay. They were cast from car parts. Rims or headers I believe.

    - - - Updated - - -

    Quote Originally Posted by DavidF View Post
    How was the pattern made?
    lost wax in POP. This was my original sculpt.

    IMG_20170318_162724.jpg

  9. #29
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    Very ambitious for your very first pour while trying figure out a new burner type.
    FLAME ON...!!!!

  10. #30
    Senior Member Tobho Mott's Avatar
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    Wow, hope you pulled a mold.off that wax before investing so you can try again... Good try!

    Jeff
    Tobho had learned to work Valyrian steel at the forges of Qohor as a boy. Only a man who knew the spells could take old weapons and forge them anew.

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