malduin
starting to shine!
Member since June 2022
Posts: 29
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Post by malduin on Oct 3, 2022 13:36:19 GMT -5
I have a new QT12 and was hoping some people could share there recipes? The recipe in the manual seems a bit excessive for grit amounts. In my case I tumble mostly beach rocks which would only need minor shaping in course. I had read a thread somewhere that someone was using a 3 stage cycle of SIC80 -> AO80 -> Polish. I assume the reasoning is that the AO80 would breakdown to fine enough grit to act accomplish both the medium and pre-polish stages?
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Post by Bob on Oct 3, 2022 22:37:59 GMT -5
I use a full cup of grit, no matter the grit size, including of polish, in that barrel of which I run three 24/7.
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malduin
starting to shine!
Member since June 2022
Posts: 29
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Post by malduin on Oct 4, 2022 9:00:05 GMT -5
Well that certainly makes it easy. What grit (stages) are you using, the normal course -> medium -> pre-polish -> polish? And how much time do you run in each? And do you use ceramic media in any of the stages?
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nursetumbler
Cave Dweller
Member since February 2022
Posts: 928
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Post by nursetumbler on Oct 5, 2022 19:31:21 GMT -5
Well that certainly makes it easy. What grit (stages) are you using, the normal course -> medium -> pre-polish -> polish? And how much time do you run in each? And do you use ceramic media in any of the stages? malduinCoarse is probably to your liking of size and shape. I dont have the big one (yet) but I use beach pebbles for fill. Sometimes you get pretty unexpected results. I have ceramics, plastic pellets and air soft ammo also. Beach pebbles are my favorite though
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vance71975
freely admits to licking rocks
Member since September 2022
Posts: 760
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Post by vance71975 on Oct 5, 2022 20:30:11 GMT -5
I have a new QT12 and was hoping some people could share there recipes? The recipe in the manual seems a bit excessive for grit amounts. In my case I tumble mostly beach rocks which would only need minor shaping in course. I had read a thread somewhere that someone was using a 3 stage cycle of SIC80 -> AO80 -> Polish. I assume the reasoning is that the AO80 would breakdown to fine enough grit to act accomplish both the medium and pre-polish stages? Cant give you a recipe for Amounts for a 12lb barrel but i can tell you what grits I run in my 4lb Barrel. 80 SiC stage 1 220 SiC stage 2 500 SiC stage 3 1000 AO Stage 4 8000 AO Polish Stage 5 Media type, if I have my research right, should match or be close to the rocks you are tumbling or be softer than the rocks. Example Glass Marbles(5 hardness) would be good to use as media for Obsidian. Ceramic (7 hardness) is good for agates, quartz, Jaspers or any other 7 Harness Rocks. Plastic pellets(dont know the hardness) can be used with pretty much any rock because of how soft they are BUT you can not carry them over from stage to stage. You have to seperate out stage 1 plastic pellets and use NEW plastic pellets in stage 2, and you have to do the same for each stage. You can save them, Lable them stage 1, 2,3,4 and reuse them with the stage they were first used in however. Hope this helps. I am still learning myself so if anyone sees anything wrong with what i said here, please correct me.
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