Tumbling Time
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Old 07-26-2010, 04:24 PM   #1
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Default Tumbling Time

Is there a general rule of thumb for the amount of time the brass is tumbling.
Do you let it tumble for hours - overnight or until the brass looks clean and shiny?
I'm a reloading newbie and I am reading the ABC's but I have not seen anything written about how long you let the brass tumble.
Should the media be changed if it sat in a tumbler without use for several years?

Thanks
Joe


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Old 07-26-2010, 05:35 PM   #2
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"Is there a general rule of thumb for the amount of time the brass is tumbling."

No. It's a results thing, tumble 'till you like it. Or overnight. Or a week.

I usually swap out my media (fine cob) every three or four years if it needs it or not.


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Old 07-26-2010, 06:29 PM   #3
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Fresh media will clean very well in an hour or two. Older, dirty media may take overnight.

If the media has been sitting for a few years, it may need a re-charge. Look at Lyman Turbocharger, Flitz, or Midway polish.
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Old 07-27-2010, 02:54 AM   #4
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i let it run about two hours enoughtime to get the yuck off the cases so my dies dont get messed up. i could care less if the cases are shiney or not, they only gotta be clean.
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Old 07-27-2010, 03:22 AM   #5
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I just let them run till I remember to turn them off. Some times it is 2 hours others it is 3 days. I tell you what that 3 day brass shines like no other.

Just guess at it. If you take it out and don't like the look then toss it back in.
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Old 07-27-2010, 03:28 AM   #6
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Tumble it as long as you want. I usuallly go over night and even sometimes 2 days. The longer you vibratory clean it the better it looks and seems to resize with less effort. Have had no problems with getting quite a few reloads out of long time vibratory cleaning of brass.
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Old 07-27-2010, 04:48 PM   #7
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Depends on type of tumbler, type of media, how dirty the brass, etc. I actually use a tumbler- not a vibrator- walnut shells, pinch of dry polishing media- turn it on, and let it run until I remember to check it. Shiny sizes easier, looks better.
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Old 07-27-2010, 06:32 PM   #8
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I tumble until I remember to turn it off and cueck to see if they are clean
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Old 08-01-2010, 05:53 AM   #9
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You can tumble the brass for as long as you want, but the longer you tumble it the more the case mouths get beat up. Chamfer and debur after you clean the brass to remove the rounded edges.
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Old 08-01-2010, 10:08 AM   #10
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My tumbling times seem to be directly proportional to how new (clean) my media is and/or how tarnished the brass is. With new/clean media, my own (previously reloaded) brass usually comes out very clean and shiny after about 2 hours in the walnut or corncob media. With well used/dirty media, I'll have to tumble for 4 - 6 hours, or change the media.

Discolored or very tarnished range pick-up brass can take much longer to clean-up. I usually give that brass 3-4 hours in the Lyman red (jeweller's rouge) media, followed by another 3-4 hours in the walnut/corn cob media.


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