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  1. #1
    us
    Jan 2011
    2
    Prospecting

    Mineral Concentrating Jig

    Good source for mineral concentrators. http://graymfg.com/mineral.html
    Delta Duplex Mineral Concentrating Jigs for sampling and production.
    Jigs reduce the overall quantity of the raw ore down to the heavy minerals that are contained in the original ore.
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  2. #2
    Charter Member
    us
    Jul 2012
    Blackfoot, Idaho
    White GMT, DFX, Cinmaster, old Garrett Masterhunter BFO
    957
    640 times
    Prospecting
    Here's a few pics of my home-built jig. It runs on 12V.
    Click image for larger version. 

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    The screen box, and infeed hopper are easily removed to facilitate cleaning. The screen box is about 4" x 14", and the hutch has a hopper bottom that funnels the cons down to a 3/4" exit pipe that can be equipped with a hose. Usually I just remove the cap to empty the hutch. The jig uses a sawtooth waveform with a very fast pressure stroke, and long, smooth suction period. It will handle about 300lbs/hour of 1/2" minus material. The diaphragm chamber is a section of 8" PVC pipe. I made the flanges by flattening pipe in the wife's oven, and then turning them on a rotary table on the mill.
    I mainly use it prospecting for gems.
    Jim

  3. #3
    us
    Jan 2008
    Villa Rica georgia
    gold bug pro,garret,whites,tesoro,bounty-hunter,,.....
    1,835
    55 times
    All Types Of Treasure Hunting
    good build Jim !
    no matter where you go,there you are!

  4. #4

    May 2005
    St. Louis, missouri
    3,090
    698 times
    very nice job Jim! well done and well thoughtout!

  5. #5

    Apr 2012
    Sudan
    Minelab X-terra 705 Gold
    48
    10 times
    All Types Of Treasure Hunting
    Quote Originally Posted by Jim in Idaho View Post
    Here's a few pics of my home-built jig. It runs on 12V.
    Click image for larger version. 

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ID:	656844Click image for larger version. 

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    The screen box, and infeed hopper are easily removed to facilitate cleaning. The screen box is about 4" x 14", and the hutch has a hopper bottom that funnels the cons down to a 3/4" exit pipe that can be equipped with a hose. Usually I just remove the cap to empty the hutch. The jig uses a sawtooth waveform with a very fast pressure stroke, and long, smooth suction period. It will handle about 300lbs/hour of 1/2" minus material. The diaphragm chamber is a section of 8" PVC pipe. I made the flanges by flattening pipe in the wife's oven, and then turning them on a rotary table on the mill.
    I mainly use it prospecting for gems.
    Jim
    Hi Jim. Is there any plans of that nice build?

    I pm'd you.

    Thanks

  6. #6
    us
    Mar 2003
    Redding,Calif.
    3,921
    2210 times
    All Types Of Treasure Hunting
    Here is a pic of a Precision jig after 10+ years of hard use on cons from a 10" dredge--Shake shake shake your booties is indeed cool-John
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  7. #7

    Apr 2014
    11
    1 times
    All Types Of Treasure Hunting
    What I*read*I really liked it.*Thank you for*your information!
    Last edited by Ydivitsyawe; Jun 01, 2014 at 05:19 PM.

  8. #8
    Charter Member
    us
    Jul 2012
    Blackfoot, Idaho
    White GMT, DFX, Cinmaster, old Garrett Masterhunter BFO
    957
    640 times
    Prospecting
    I came up with a newer, lightweight jig. Made from 4" ABS pipe. Video on my youtube channel. Jim Nelson. Plans and build instructions, with pics, available on Ebay. Search under "Mineral jig"
    Jim

 

 

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