Bluey Posted October 15, 2016 Report Share Posted October 15, 2016 Does any one know where I can purchase an affordable motorised pestal and mortar. I saw them being used in Shigaraki, haven't seen them any where since. I'm adding oxides to terra sigilatta and need a finer particle size. Any help would be appreciated Link to comment Share on other sites More sharing options...
Guest JBaymore Posted October 15, 2016 Report Share Posted October 15, 2016 Unfortunately, there is a lot of equipment I've seen when I've been working in japan that is not easily available in the US. Some nice "toys". I've seen those same units at Tokyo University of the Arts when I've been there. I'll check my Japanese equipment catalogs and see what I can find. But they will almost for sure be expensive to start with, and also expensive to import. best, .............john Link to comment Share on other sites More sharing options...
bciskepottery Posted October 15, 2016 Report Share Posted October 15, 2016 Would ball-milling your oxides be an alternative to getting smaller particle size? Link to comment Share on other sites More sharing options...
Bluey Posted October 16, 2016 Author Report Share Posted October 16, 2016 I noticed Shimpo sell them for around $2500 US. Was hoping I could get one from China. Ball milling is plan B Link to comment Share on other sites More sharing options...
Mark C. Posted October 16, 2016 Report Share Posted October 16, 2016 Peter Pugger sells a few very nice ones ,single or double jars all for under $1,500 check them out here. http://www.peterpugger.com/pugmill-extruder/pugmill-order.html Link to comment Share on other sites More sharing options...
oldlady Posted October 16, 2016 Report Share Posted October 16, 2016 there was an article once in ceramics monthly showing someone using a small motor mounted on a piece of wood with a belt running around a jar that rested on 4 wheels. the jar was a ball mill when it was filled with marbles. bruce, our intrepid internet searcher, could probably find it. Link to comment Share on other sites More sharing options...
bciskepottery Posted October 16, 2016 Report Share Posted October 16, 2016 Link to comment Share on other sites More sharing options...
Bluey Posted October 20, 2016 Author Report Share Posted October 20, 2016 I guess the advantage of pestal & mortar is it doesn't require much liquid. This is helpful for maintaining a concentrate of oxide to sigilatta. Link to comment Share on other sites More sharing options...
perkolator Posted October 21, 2016 Report Share Posted October 21, 2016 ^yes, but then you have the dust hazard when grinding dry powders.... I recall the ball mill posted in the youtube link -- looks like a great DIY solution! Another cheap alternative might be a Harbor Freight rock tumbler. Link to comment Share on other sites More sharing options...
oldlady Posted October 21, 2016 Report Share Posted October 21, 2016 even bettter, bruce, thank you! Link to comment Share on other sites More sharing options...
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