Processing Sulphide Based Ores - Page 5
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  1. #61
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    Period Six Mining and Exploration, LLC

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    Didn't think of powder coating. Need to do some research h.
    Clay Diggins likes this.
    Mining is how I make my living. I turn mountains into dust on a daily basis.

  2. #62
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    Blastrer

    Apr 2020
    Southern California
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    There might also be a passivation or plating process that would make regular high Carbon or stainless steels work for this application. Also, don't forget old-school process hardware like piping made from Lead, ceramic, etc. Teflon/PTFE coatings maybe?
    Last edited by BlasterJ; Jul 24, 2020 at 11:14 PM.
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  3. #63
    us
    Period Six Mining and Exploration, LLC

    Aug 2010
    Southeast Arizona
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    Quote Originally Posted by BlasterJ View Post
    There might also be a passivation or plating process that would make regular high Carbon or stainless steels work for this application. Also, don't forget old-school process hardware like piping made from Lead, ceramic, etc. Teflon/PTFE coatings maybe?
    Did some reading last night and it looks like a nylon powder coat will work. No attack at room temperature and an extremely small amount at the boiling point of perchloroethylene.

    It looks like it can be applied with standard powder coating equipment so that should be easy. If this works then it isn't propane tanks that would work, any tank like a compressor tank would work to.
    Clay Diggins likes this.
    Mining is how I make my living. I turn mountains into dust on a daily basis.

  4. #64
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    Blastrer

    Apr 2020
    Southern California
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    Prospecting
    Nice find! I also came across this today. It looks like PTFE is also available in a powder coat now:

    https://intechservices.com/dupont-re...owder-coating/
    Clay Diggins likes this.

  5. #65
    Charter Member
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    Look at the Historical Gold Mining photo albums on my page

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    Huntington, Or./ Stanton, AZ/ former Outlaw California Gold Dredger
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    I bought one of the Fresnel lenses from Dan Rojas many years ago now. You can control the heat temperature pretty good. I'm just adding this because you do have plenty of sun and he has so many different configurations that it might be worth contacting him.
    Here's one of their many videos.

  6. #66
    us
    Period Six Mining and Exploration, LLC

    Aug 2010
    Southeast Arizona
    3,112
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    Quote Originally Posted by Reed Lukens View Post
    I bought one of the Fresnel lenses from Dan Rojas many years ago now. You can control the heat temperature pretty good. I'm just adding this because you do have plenty of sun and he has so many different configurations that it might be worth contacting him.
    Here's one of their many videos.
    Well now, that could be interesting. Wonder if it can burn out fire ants?

    Been evaluating some machinery and bought a small lathe so we will be off to the races here soon enough.
    Reed Lukens likes this.
    Mining is how I make my living. I turn mountains into dust on a daily basis.

  7. #67
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    Period Six Mining and Exploration, LLC

    Aug 2010
    Southeast Arizona
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    Gonna be tied up for a little while. New toy is getting a complete teardown and rebuild. They were gonna scrap it due to nobody wanting it due to it being three phase.

    14 inches of swing and 82 inches between centers. Complete with steady rest and taper attachment for tapered shafts. Should be able to make some serious eccentric shafts here soon.
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    Bow likes this.
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  8. #68
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    Nov 2018
    Portage, MI
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    Sweet lathe, I rebuilt a pair of South Bend 9", just a little bit smaller.

    The taper attachment is the real gem. Time to build a bigger bead blaster hood?

  9. #69
    us
    Blastrer

    Apr 2020
    Southern California
    83
    90 times
    Prospecting
    Quote Originally Posted by Mad Machinist View Post
    Gonna be tied up for a little while. New toy is getting a complete teardown and rebuild. They were gonna scrap it due to nobody wanting it due to it being three phase.

    14 inches of swing and 82 inches between centers. Complete with steady rest and taper attachment for tapered shafts. Should be able to make some serious eccentric shafts here soon.
    That's a nice score. Is it a Southbend 14? Should clean up pretty well.

  10. #70
    us
    Period Six Mining and Exploration, LLC

    Aug 2010
    Southeast Arizona
    3,112
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    Prospecting
    Quote Originally Posted by BlasterJ View Post
    That's a nice score. Is it a Southbend 14? Should clean up pretty well.
    Early '40's Rockford lathe. A no frills, solidly built piece of machinery. Nothing like the Chicom built junk today.
    standard8 likes this.
    Mining is how I make my living. I turn mountains into dust on a daily basis.

 

 
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