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  • 6 Post By Jim in Idaho
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Thread: Finally got the jaw crusher finished...

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  1. #1
    Charter Member
    us
    Jul 2012
    Blackfoot, Idaho
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    Finally got the jaw crusher finished...

    Quite a project, but I learned alot, and now have a decent crusher. Will crush 2 x 3 rock to 1/4" minus in a single pass. Next on the list is an impact crusher to reduce the 1/4 minus to powder. I'm crushing rhyolite in the video.
    Jim
    Last edited by Jim in Idaho; Feb 05, 2019 at 09:33 PM.

  2. #2
    us
    Dec 2012
    Concrete, WA
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    Jim, did you want this in the Hardrock Forum?

    BTW, Nice workin' crusher!
    A2coins likes this.
    Mike (aka Dizz)

    "If you love wealth better than liberty, the tranquillity of servitude better than the animating contest
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  3. #3
    Charter Member
    us
    Jul 2012
    Blackfoot, Idaho
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    I figured people would see it whereever I put it. Probably more here than the Hardrock, Dizz.
    Jim
    A2coins likes this.

  4. #4

    Mar 2016
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    All Types Of Treasure Hunting
    Nice, a suggestion...make two sheet metal fenders for those drive wheels.
    Hate to see something get caught in the spokes. Also migh keep crushed rock dust from building up around the bearings.
    A2coins and Jim in Idaho like this.
    All treasures found with permission on private property or on active mining claims.

  5. #5
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    papa

    Feb 2017
    Georgetown, SC
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    Nice bit of engineering, Jim. I'm with AUDIGGER on the exposed wheels and belts, and the feeding method you're using. How many fingers do you have now? That thing flat eats rocks. Nice job.
    A2coins likes this.


    "And so the population was gradually led into the demoralising temptations of arcades, baths, and sumptuous banquets. The unsuspecting Britons spoke of such novelties as 'civilisation', when in fact they were only a feature of their enslavement." Tacitus, Roman Senator and Historian, written AD 98.

  6. #6
    Charter Member
    us
    Jul 2012
    Blackfoot, Idaho
    White's GMT, DFX, Coinmaster, TDI-SL, old Garrett Masterhunter BFO 'Way Too Cool' dual 18 Watt UV light
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    Yup...I'm aware of the problem, guys. Haven't quite finished it, but it's been a long project...almost 2 months of 3 or 4 hours/day in a cold shop, and I wanted to get some video posted. There are a few critical design issues with these, or they do NOT work. This is the third mod I did to get this to work. It's really difficult to find out any detailed info on these. That's the reason I decided to build one, and sell the plans and instructions. The people that sell them would like to keep the details to themselves....LOL. If I sold the finished units, I'd probably do the same.
    Jim
    A2coins and DizzyDigger like this.

  7. #7
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    WolfPack member

    Aug 2009
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    Might of been cheaper to hire a few illegals with sledge hammers.
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  8. #8
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    Tommy

    Dec 2015
    Ann Arbor
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  9. #9
    us
    Aug 2012
    New Mexico USA
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    Jim, is that a tread mill motor? And where did you find the fly wheels?
    Last edited by hvacker; Feb 06, 2019 at 06:43 PM.
    Chop wood..Carry water

  10. #10
    Charter Member
    us
    Jul 2012
    Blackfoot, Idaho
    White's GMT, DFX, Coinmaster, TDI-SL, old Garrett Masterhunter BFO 'Way Too Cool' dual 18 Watt UV light
    2,447
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    Prospecting
    Quote Originally Posted by hvacker View Post
    Jim, is that a tread mill motor? And where did you find the fly wheels?
    Yup, HV....the wife bought a new treadmill, and I kept the motor and controls from the old one. I also was given one a couple of months ago. I'm going to use that motor for the impact crusher I'm going to build. Treadmill motors have speed control, good torque, and high rpm, if needed.
    Both the flatbelt pulley, and the pulley I'm using for the flywheel, came on that monster post drill I rebuilt.

    I changed the drive on that to chain, so had the pulleys lying around. They work good on the crusher. The crusher belt is an old piece of a serpentine belt. I did a scarf joint, and glued the joint with superglue.
    Jim

  11. #11
    us
    Aug 2012
    New Mexico USA
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    Prospecting
    Impressive.
    Jim in Idaho likes this.
    Chop wood..Carry water

 

 

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