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Post by doneall517 on Jul 6, 2013 22:47:09 GMT -5
My second batch from my UV-10 had some chipping problems. Is this due to not having enough material in the bowl or was the mix to dry..any help would be nice. Mike
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herchenx
Cave Dweller
Member since January 2012
Posts: 3,360
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Post by herchenx on Jul 7, 2013 1:57:40 GMT -5
Hi Mike, I've missed your other posts (been a little scarce around here lately) so I don't know what material you are tumbling, but I've seen chipping in the UV10 for a couple different reasons.
- not enough filler - big chunks banging together can chip if there isn't enough small stuff to keep everything making nice contact - thin edges on brittle material - I've tumbled some with a thin edge and they do tend to get a bit chipped on the real thin edges - mixed hardness - something softer can get beat up by harder material. - some material is just fractured and even though it survives the rotary on the first stage, it can still come apart in the vibe.
Others can probably offer more reasons, but let us know what you are tumbling and show some pics if you can.
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Post by doneall517 on Jul 7, 2013 22:13:53 GMT -5
Thanks John. I think it was some larger pieces that caused the chipping. My wife put the pieces with our first group so I don't have photos right now. We were mailing doing agate and jasper. Happy with the shine but still learning. Randy's post was a big help with the tumbler. I do think that we need to put more material in the tumbler. Also having to adjust to not using a lot of water..learn something new every bowl.. MIke
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herchenx
Cave Dweller
Member since January 2012
Posts: 3,360
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Post by herchenx on Jul 7, 2013 22:37:20 GMT -5
Yeah I just rinse the stones and put them in wet and that is all the water I need, the rocks should fill it to the top of the cone, and if you don't have enough rocks get some ceramic pellets and fill it up to full. I do that a lot so I can tumble smaller batches and make the difference up with the ceramics.
Can't wait to see your pics.
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