Posted 20 January 2014 09:15 AM. Guess you could always try a few coated lead media for testing. I'm thinking any epoxy resin hard enough to resist abrasion would also be brittle and prone to cracking during the tumbling process. Lead hardened with additional antimony is the normal media used and it doesn't wear easily.
WhatsApp: +86 18838072829Posted 27 December 2014 02:53 AM Well I've finally started upgrading my ball mill setup. Coming from a 6lb rock tumbler (can't wait!) I have a .5hp tefc motor, rebel 17 rubber lined jar and all the other goodies required. So here's the thing. Having never seen or felt hardened lead media I'm not sure what to expect.
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WhatsApp: +86 18838072829Milling Media are used inside ball mills to reduce coarse powder to a finer particle size. When ball milling black powder the media must be made from a nonsparking material like lead (often hardened, 4% Antimonial Lead is a typical hardened Lead to use for milling media) readily available at good fishing supplies stores or ceramic balls to prevent accidental ignition; steel and other ...
WhatsApp: +86 18838072829We routinely recommend two ways: coffee milling and ball milling. Both ways have advantages. To grind a single chemical (vs. a mix like black powder) using a ball mill, fill your mill jar half full of hardened lead or brass grinding media, and 25% full of potassium nitrate. Turn the mill on and come back in an hour.
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WhatsApp: +86 18838072829Page 2 of 2 Ball Mill Media posted in Pyrotechnics: Does media size matter? I would assume someone with a jar with a bigger diameter would want their media to be smaller in size, because gravity would cause a greater impact between media. Also, more surface area would be available to aid in efficiency.
WhatsApp: +86 18838072829Correct, hardened lead will work fine. If you want to learn more about milling BP, do a search for "Lloyd Sponenburg". He was the one who popularized ball mills back in '95 or so, and he was quite active on usenet at the time. Maybe his book is still available?
WhatsApp: +86 18838072829Ball Mill Media posted in Pyrotechnics: Im getting a new ball mill and just wanted to ask one last time once and for all...what really is the best media to use for doing, sulfur, kno3, kcIo4, titanium etc. Is it still 00/000 lead buckshot or doeas the newer ceramic have any worth? I am hoping that maybe moving to ceramic will be possible due to the drastic weight reduction on the ...
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WhatsApp: +86 18838072829Highdensity alumina ceramic media is the type I've heard of most often being used in ball mills. Stainless Steel and Ceramic Milling Media But, I must emphasize there is an ongoing discussion and debate about what is the "safest" media to use when milling.
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WhatsApp: +86 18838072829That's the only time you need to worry about sparks with milling. You say you have lead media. There's hard lead media and soft lead spheres. Hardened lead wears very slowly when milling complete BP. I wouldn't worry about potassium nitrate being gray from lead contamination, myself. That's assuming you are using it for BPtype formulas.
WhatsApp: +86 18838072829Ball Mill Media (too old to reply) Os 05:56:46 UTC. Permalink. Hi guys, happen to know of a place to purchase lead media for a ball mill? ... that sell .50cal muzzel loading balls which are made from hardened lead and work very well. dans news 05:37:57 UTC. Permalink. Post by Os I live in Calgary, Alberta.
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WhatsApp: +86 18838072829We routinely recommend two ways: coffee milling and ball milling. Both ways have advantages. To grind a single chemical (vs. a mix like black powder) using a ball mill, fill your mill jar half full of hardened lead or brass grinding media, and 25% full of potassium nitrate. Turn the mill on and come back in an hour.
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WhatsApp: +86 18838072829Page 2 of 3 Ball mill media posted in Tools and Tooling: Alloying the metal is pretty straightforward and not hard, Take respiratory precautions and be sure you wash your hands before sucking your fingers but otherwise just get the lead plenty hot and stir your antimony in with a metal rod while tossing in sawdust and beeswax to keep the top fluxed. Youll see when the metals alloy and then ...
WhatsApp: +86 18838072829It's hard to tell if it's from the wood itself (lead shot embedded) or breaking off and rounding of my media. As a control, you could try milling just potassium nitrate or something to see if it's still happening. You may want to try to keep an eye on the mill to prevent it from running without any powder in there.
WhatsApp: +86 18838072829Musket balls. are 8 for 100. You should fill container 1/3 full of balls for a good mill. and preferably half full. I ve spent more money on balls than I have on the. mill. Casting your own cylindrical media is extremely easy. I had never cast lead. in my life, never even seem it done.
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WhatsApp: +86 18838072829Page 1 of 3 Ball mill media posted in Tools and Tooling: United Nuclear is out of stock of their 1/2 lead media...they havent gotten back to me on future availability. The ebay media looks kind of trashy, unless someone can chime in on their experience. Sky lighter is also out of stock, id rather not since they are so expensive. Im kicking myself in the arse for throwing most of my pyro ...
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