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  • AC MOTORSPORTS
    replied
    Forging And Casting Work

    So You Whant To Play With Hot Stuff

    We Cast Alot Of Stuff And It Is Fun But Step Back And Think What Could Go Wrong And There Is A Lot The Can Get Ugly

    You First Have To Melt It And That Is Very Hot

    Then You Pore It Out Of That Red Hot Crusebl In To A Mold Just Do Not Drop It On The Ground Or Miss The Mold When Pooring

    The Fan That We Use To Get The Smoke Out Of Room We Have The Furness In Has Been Changed Three Times The Blads Get Coroded And Fall Apart So That Tells Me You Should Not Breath It

    We Wear A Lot Of Protecsion Whale Pooring

    Good Luck On Casting Parts And Be Very Carfull Do Your Home Work And Be Safe

    Leave a comment:


  • alha
    replied
    Originally posted by Andy View Post
    Also don't work on a concrete floor. If you drop any molten metal on the concrete it will typically explode out a small crater. A dry sandbox is probably best to work over.
    I'd advise against the beverage cans. The paint/aluminum ratio is too big. Check your local scrap yard for worn out air cooled engines.
    Def would be pouring outside, in fact the whole shebang is going to be outside, in case of any shebangs...

    If I went with aluminum scrap, (when I run out of my can supply) which part of the engine would I be looking for? The block, head, intake? I would presume that they are made out of diff alloys, and nothing is going to be 'pure' Al, so which would you think would be the best part to look for, and would brand make a diff? Mercedes vs. Hyundai vs. Toyota? Thanks for the suggestions, that's why I love this board, so many people with so much good & valuable info.

    Leave a comment:


  • Andy
    replied
    Also don't work on a concrete floor. If you drop any molten metal on the concrete it will typically explode out a small crater. A dry sandbox is probably best to work over.
    I'd advise against the beverage cans. The paint/aluminum ratio is too big. Check your local scrap yard for worn out air cooled engines.

    Leave a comment:


  • Winger Ed.
    replied
    Originally posted by alha View Post
    . Is there an issue with this, or is the caution about standing water, in liquid form, not in the sand? Like I said, much reading to do before I start this.

    When molten metal- even Lead at 6-800 degrees, which melts much lower than the melting point of Alum. comes in contact with moisture in any form, at any temp below 212F, or in any amount: the water will expand about 1,700 times.

    It just leaps into the (vapor) form of steam.... explosively.

    I cast a few thousand bullets a year. I've had events where I'd toss one single wheel weight that was damp into a molten pot of Lead and when the few molecules of water expanded--- they blew several ounces of molten Lead out of the pot, and deposited it on the ceiling of the garage.

    If you're going to do any casting, pre-heat your material to at least 250-300, or bring the entire batch up to temp slowly before you dump it off into a pot with any molten metal.

    .

    Leave a comment:


  • alha
    replied
    Holy hanna, I had no idea... I will def be doing it all outside, with proper protection, and I plan on reading up on it a Lot before I actually start making things. I planned on sand casting, though I thought the sand was slightly damp when casting. Is there an issue with this, or is the caution about standing water, in liquid form, not in the sand? Like I said, much reading to do before I start this.

    Leave a comment:


  • man of steel
    replied
    the guys that work in the smelting company where i built their 3rd smelter told me lots of horror stories,they put an engine block into a smelter that had ice in it(was winter) and it blew out of the furnace and took out walls, i beams (could have easily killed someone and they said it sounded like dynamite going off right beside them

    Leave a comment:


  • Synchroman
    replied
    Originally posted by man of steel View Post
    id be really careful if you plan on smelting aluminum,keep it outdoors and make sure you dont get any water anywhere near it(moisture of anykind for that matter) can you say explosion?also the fumes are extremely toxic.Just make sure you do your homework thoroughly(id hate to hear you hurt yourself.I built an aluminum smelter last year for a company that you could drive a dump truck into(if your wondering why im givin you this speel lol anyways good luck and take care

    This is excellent advice. I met a fellow once who was the owner of an aluminum smelting company in the South. He was living temporarily in Los Angeles near an eye clinic while they replaced his corneas and tried to restore some of his sight.

    He was doing a pour one morning and had failed to check whether there was any water or condensation inside of the mold. The way he told it, there was some water in there and it exploded and blew molten aluminum all around the room. Even though he was wearing some sort of face protection, he still got splatters of it on his face and some in his eyes which basically rendered him legally blind.


    Be careful, Please!

    Leave a comment:


  • man of steel
    replied
    smelting

    id be really careful if you plan on smelting aluminum,keep it outdoors and make sure you dont get any water anywhere near it(moisture of anykind for that matter) can you say explosion?also the fumes are extremely toxic.Just make sure you do your homework thoroughly(id hate to hear you hurt yourself.I built an aluminum smelter last year for a company that you could drive a dump truck into(if your wondering why im givin you this speel lol anyways good luck and take care
    Attached Files

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  • alha
    replied
    Originally posted by phila.renewal View Post
    3104-H19 Aluminum

    http://en.wikipedia.org/wiki/Beer_can

    Can I get some dinner too?
    I've got a ?, if this has magnesium in it, if I smelt them down after I crush the [email protected] out of them in the press I am building, will this separate out where I can skim it off? I will be pouring it into sand molds eventually, but will start out just making ingots, but I would think I would like to have as pure Al as possible? Anyone have any thoughts?

    Leave a comment:


  • fun4now
    replied
    Could be cause all I was thinking about was the beer inside.
    yep me too , but if you fallow his link you will find a lot more out about cans than you would think. verry neat link thanks.

    Leave a comment:


  • Jolly Roger
    replied
    I actually never thought about that before. Could be cause all I was thinking about was the beer inside.

    Leave a comment:


  • welder_one
    replied
    thanks man, i get the steak dinner. yep come on over i get you hooked up with a steak too...

    Leave a comment:


  • phila.renewal
    replied
    3104-H19 Aluminum

    http://en.wikipedia.org/wiki/Beer_can

    Can I get some dinner too?

    Leave a comment:


  • welder_one
    started a topic a beer can is??

    a beer can is??

    some friends and i were discussing what alloy a beer/pop can would be. if any know would you please let me know. a steak dinner is riding on this one.
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