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 Post subject: Rock polisher/tumbler
PostPosted: Sat Aug 27, 2011 5:08 pm 
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Joined: Sat Apr 23, 2011 11:07 am
Posts: 189
I saw a rock tumbler at the HF a couple of weeks ago during the clean out. Does anyone know where it is? I can't seem to find it.


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 Post subject: Re: Rock polisher/tumbler
PostPosted: Sat Aug 27, 2011 8:49 pm 
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Joined: Fri Mar 19, 2010 11:14 am
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Location: downtown Saint Paul
I think Steven found it and handed it to that yahoo from Texas.

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Riley Harrison
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 Post subject: Re: Rock polisher/tumbler
PostPosted: Sun Aug 28, 2011 7:35 am 
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lol, thanks.

Just to let everyone know, I'm polishing some rocks in the shop office. If it gets too noisy, feel free to move it AND post here where you moved it to. The rubber drum is MUCH quieter than the rock tumbler I had as a kid, so I don't foresee any irritance to other members...

I'll be checking on it today and plan to run it until at least Wednesday to check on the results. Generally, tumblers are run for about a month. I've used regular Silicon Dioxide sand which I don't know how well will work. If need be, I'll purchase Silicon Carbide sand which will be available to other members with the suggestion of donating $8 to the HF. 1lb. each of 60/90, 150/220, 500F grit SiC, and 0.5lb. of Alumminum Oxide polish, all together, is about $30 and will process approximately 4 batches or 12lbs. of rocks.

If anyone is interested in doing their own rock polishing, post here and I'll share my methods.

Credit goes to Steve who diligently added an "alignment wire" for the barrel because a clip was missing from his tumbler.

Also to note, the old army-green enclosed saw that was by the shop office on cleaning day and was moved to the members' rack is Steve's and is a lapidary saw for cutting rocks.


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 Post subject: Re: Rock polisher/tumbler
PostPosted: Mon Aug 29, 2011 4:20 pm 
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I checked on the rock tumbler yesterday to find someone had unplugged it. This was definately not appreciated and irked me quite a bit!

Anyway, I moved it to the small room next to the classroom in case it was bugging someone. If you have an issue with it, please speak up or back off!

Thank you,
Bryan


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 Post subject: Re: Rock polisher/tumbler
PostPosted: Mon Aug 29, 2011 5:12 pm 
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Try to put a note on it if you can, the space is multi-purpose and things get moved around, I know this is not optimal.


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 Post subject: Re: Rock polisher/tumbler
PostPosted: Fri Sep 02, 2011 10:43 pm 
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Joined: Fri Mar 19, 2010 11:14 am
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Location: downtown Saint Paul
Keep in mind, as well, that we have at least 84 members currently, and not all of them read the forums.

Meatspace notes are essential.

Riley

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