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Author Topic: Tumbling media  (Read 3287 times)

cpaspr

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Tumbling media
« on: August 30, 2010, 01:07:55 am »
When I started using a tumbler, I bought some corncob pet bedding from PetSmart.  It was a lot cheaper than the stuff from Midway, and has worked just fine for everything .30 caliber and larger.

Now, I've cleaned some .223 brass with a very fine media that came with a second tumbler we bought used last summer.  I think it's ground walnut shell, but I'm not sure, as it was not in the original packaging.  It did a good job on the .223 brass, and flowed out of the shells really well.

We were at PetSmart today, looking for a particular pet food for the varmints.  While there, I looked in their lizard/fish/bird sections for something a bit finer than the corncob.  The only thing I found that might work was some aquarium sand.  So I got to thinking, why don't we use sand as a polishing medium?  Is it too abrasive?
Oregon

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    bmitchell

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    Re: Tumbling media
    « Reply #1 on: August 30, 2010, 11:24:21 am »
    It's coarse, rough, and it gets everywhere.

    I'd think it's too abrasive.

    Ben

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    Re: Tumbling media
    « Reply #2 on: August 31, 2010, 12:08:06 am »
    Really rough on dies I'd expect. Not too mention all the moving parts in a press.  Unless you're willing to do a rinse and dry cycle after polishing, I'd pass.
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    Raptor

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    Re: Tumbling media
    « Reply #3 on: August 31, 2010, 12:37:40 am »
    It's coarse, rough, and it gets everywhere.

    NNNNNOOOOOOOOOOOOOO! Just when I finally manage to banish that scene from my mind, you make me remember!
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    cpaspr

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    Re: Tumbling media
    « Reply #4 on: August 31, 2010, 01:34:21 am »
    Sorry Raptor.  Uh, what scene might that be, anyway?

    I was basically going by how nicely the media flows out of the .223s.  Smooth and appears to leave none in the shells.  I guess that "appears" is the problem.
    Oregon

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    Re: Tumbling media
    « Reply #5 on: August 31, 2010, 09:29:54 am »
    The veranda scene from Star Wars, Episode II. You pretty much quoted one of Anakin's lines verbatim.

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    bmitchell

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    Re: Tumbling media
    « Reply #6 on: August 31, 2010, 01:42:32 pm »
    Oops..?
    I went ahead and tumbled some media into this thread.

    Ben

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    Re: Tumbling media
    « Reply #7 on: August 31, 2010, 05:43:38 pm »
    The veranda scene from Star Wars, Episode II. You pretty much quoted one of Anakin's lines verbatim.

    Dang, where'd I put that wine.

    I'd forgotten (blocked out) the quality of acting  :vomit in that movie.

    cpaspr

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    Re: Tumbling media
    « Reply #8 on: August 31, 2010, 07:58:35 pm »
    There was acting in that movie?  Oh, yeah.  Jar-Jar.

    And . . .

    To bring it back on topic, I won't be buying any sand for the .223 cases.
    Oregon

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