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Thread: Sprue opening jig for lee 2 cavity mold

  1. #1
    Boolit Master Grmps's Avatar
    Join Date
    Jul 2016

    Sprue opening jig for lee 2 cavity mold

    Sprue plate opening jig for lee 2 cavity mold initial prototype.

    I figured tapping on the sprue plate to cut the sprues did the aluminum 2 cavity molds no favors so came up with this prototype “jig”

    You set the mold on the mold rest, and slide the mold in to the mold body stop making sure the sprue plate is under the Mold lever stop (I know the name doesn’t make good sense I will change the name later)

    Press down on the mold handles cutting the sprues into the basket

    Tap on hinge lightly if needed to release boolits.
    I’m planning on putting metal sleeves over the bolt threads and making a longer mold body stop.
    So far it works.

  2. #2
    Boolit Master OS OK's Avatar
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    Dec 2015
    El Dorado County, N. Ca.
    'PDS' . . . purdy dang slick !
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  3. #3
    Boolit Master

    Bzcraig's Avatar
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    Dec 2012
    Nampa, ID
    You should soon get to the point of opening the sprue plate with your gloved hand
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  4. #4

    JonB_in_Glencoe's Avatar
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    Mar 2010
    Land of 10,000 Lakes
    It took me quite a while to figure out the gloved hand technique...but when I did, I couldn't believe I didn't do that sooner. Pre-heating the mold is a prerequisite.

  5. #5
    Boolit Master

    Join Date
    Sep 2010
    Colorado Springs, Colorado
    I use a large spoon to scoop my sprue from the folded towel. I intend to modify a large spoon to have a slot to pry the sprue plate open rather than use a gloved hand. I also use the large spoon to inspect the boolits before placing them into the metal container where I deposit cast boolits. I often use two molds, of different calibers, at the same time. I find I cane fill the mold, set it down, pick up the previous mold, open, and inspect boolits, and repeat. I previously had a wooden dowel, (closet rod with bicycle inner tube) with a spoon inserted on one end. I would prefer to open the sprue plate with the mechanical advantage provided by a spoon with a slotted cut. I just need to do it.
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  6. #6
    Boolit Master Rcmaveric's Avatar
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    Jul 2017
    Jacksonville, FL
    I never had a problem using a gloved hand by setting the mold on the edge of the pot to warm. Then when I am ready to start, I just dip the corner in for 15 count then cast away.
    "Speak softly and carry a big stick; you will go far."
    ~Theodore Roosevelt~

  7. #7
    Boolit Master Grmps's Avatar
    Join Date
    Jul 2016
    I started using a dipper and gloved hands, I found bottom pour to be so much quicker and cleaner All the "garbage" floats on top

    Size 3xl gloves are a little snug and they tend to start shrinking after a few casting sessions.

    I do use a hotplate; I prewarm the molds to 400-450°

    My joints are becoming an (unfortunately) good barometer so "necessity is the mother of invention"
    Last edited by Grmps; 01-25-2018 at 05:49 PM.

  8. #8
    Boolit Master BNE's Avatar
    Join Date
    Mar 2013
    Cool idea. Thanks.
    I'm a Happy Clinger.

  9. #9
    Boolit Man
    Join Date
    Feb 2015
    Iroquois Falls, Ontario Canada
    I like it! Got to try it.

  10. #10
    Boolit Master

    mold maker's Avatar
    Join Date
    Jul 2007
    Piedmont (Conover) NC
    If we all liked and used the same, think what a short discussion most subjects would produce. If it works for you, it's the right way.
    Yours is a novel approach.
    Thanks for sharing.
    Information not shared. is wasted.

  11. #11
    Boolit Master
    Join Date
    Nov 2015
    Cgood idea, I am going to make one up. Would let us old guys with joint issues cast a few more years. Keep ideas coming. Thanks

  12. #12
    Boolit Bub
    Join Date
    Jul 2013
    SE NC
    I like it too Grmps, pretty durn slick.

    Sent from my SAMSUNG-SM-J120AZ using Tapatalk

  13. #13
    Boolit Mold
    Join Date
    Jan 2018
    I love the basket. It would be perfect for PC.

  14. #14
    Boolit Master pacomdiver's Avatar
    Join Date
    Nov 2012
    eastern PA
    Greg, i use the same type baskets for my powdercoat, got them from bed, bath and beyond last year for 7 or 8 bucks each, have one for each color i coat

  15. #15
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    Handloader109's Avatar
    Join Date
    Jan 2014
    NW Arkansas
    Good idea if your hands are hiring. I don't use warmer, mold on side of pot to preheat. Gloves, open with hand, catch sprue and drop back into the pot. Easy

  16. #16
    Moderator Emeritus

    MaryB's Avatar
    Join Date
    Jun 2013
    SW Minnesota
    Nice idea I will copy! Hand arthritis is creeping in on me and after 2 carpal tunnel surgeries anything I can do to be less repeat stress is a good thing!

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BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
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HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
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