What Material to make a flux core nozzle? - Page 2
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  1. #26
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    Re: What Material to make a flux core nozzle?

    Quote Originally Posted by whtbaron View Post
    if the world isn't coming to an end, there's hope for us all!
    That's a big if ! I'm not going to rattle any cages but you don't have to look very hard to see all the problems globally.
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  2. #27
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    Re: What Material to make a flux core nozzle?

    Quote Originally Posted by N2 Welding View Post
    That's a big if ! I'm not going to rattle any cages but you don't have to look very hard to see all the problems globally.
    That's the great thing about technology.... It's so easy to see things globally these days

  3. #28
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    Re: What Material to make a flux core nozzle?

    Quote Originally Posted by ronsii View Post
    That's the great thing about technology.... It's so easy to see things globally these days
    Very true and still most issues of concern fall on deaf ears.
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  4. #29
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    Re: What Material to make a flux core nozzle?

    Quote Originally Posted by ronsii View Post
    That's the great thing about technology.... It's so easy to see things globally these days
    Yep,we get up every morning and watch the Russians watching us watch them.

  5. #30
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    Re: What Material to make a flux core nozzle?

    Why not try bronze or copper? Aluminum should start to get soft at around 650deg F so i would think it would not be much better,.
    Bronze should be good to around 1500deg and copper a bit more.
    You've made the "prototype" and worked out the machining steps in the delrin. Now you can move on and try different material. Making it was a major pat of the original idea anyway.

  6. #31
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    Re: What Material to make a flux core nozzle?

    Quote Originally Posted by wildcatfan View Post
    Why not try bronze or copper? Aluminum should start to get soft at around 650deg F so i would think it would not be much better,.
    Bronze should be good to around 1500deg and copper a bit more.
    You've made the "prototype" and worked out the machining steps in the delrin. Now you can move on and try different material. Making it was a major pat of the original idea anyway.
    I agree. I'm just gonna buy some copper round bar and try it there. Maybe spray/coat it with ceramic thermal barrier.
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  7. #32
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    Re: What Material to make a flux core nozzle?

    My Tweco nozzles are copper or some type of copperish metal and spatter just falls right off of them for the most part with a tap or two on the table. I'm sure it does help that I use the nozzle dip jelly but still.
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  8. #33
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    Re: What Material to make a flux core nozzle?

    I'd stay away from bronze and brass just because of the other metals in them, check out your local scrap yard for copper bits.

  9. #34
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    Re: What Material to make a flux core nozzle?

    Too bad I didn't see this sooner to stop you from using Delrin.... Knew that wasn't it. Hard shiny black plastic made to take extreme heat. There is pretty much only one option: Phenolic. Unlike Delrin and all the other materials listed here, it is a thermoset resin, not a thermoplastic. It is mixed and squirted into a heated mold where the compound cures into phenolic resin, irreversibly. Thermoplastics like Delrin melt when exposed to heat, and will do it any number of times. You can buy it in rod stock to machine, just like you had with the delrin.
    -Dave
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  10. #35
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    Re: What Material to make a flux core nozzle?

    Yeah Davec, phenolic just like the good ole phones my small miller nozzles(fluxcore) are made from this... or a safer(greener) alternative they don't last worth two bits unfortunately.

  11. #36
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    Re: What Material to make a flux core nozzle?

    Quote Originally Posted by ronsii View Post
    Yeah Davec, phenolic just like the good ole phones my small miller nozzles(fluxcore) are made from this... or a safer(greener) alternative they don't last worth two bits unfortunately.
    'Bakelite'............ Handles on pots & pans, toasters, ovens,.. If it didn't have bakelite handles granny didn't buy it.
    "The things that will destroy America are prosperity at any price, peace at any price, safety first instead of duty first, the love of soft living and the get rich quick theory of life." -Theodore Roosevelt

  12. #37
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    Re: What Material to make a flux core nozzle?

    Oh yeah, bakelite

  13. #38
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    Re: What Material to make a flux core nozzle?

    Bakelite is the brand name for the original phenolic that was commercialized way back in the day.
    -Dave
    XMT304, 22A Feeder

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