Pyrotechnics. ball milling black powder. hondo. ActionTekJackson. Simoski. Arthur. ×. I have been ball milling my bp for a year now, and lately my powder is clumping up in the mill, it use to come out nice and fluffy. Whats happening, is the potassium nitrate or sulfur absorbing moisture and causing the clumping problem.
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Black powder MUST be made in a ball mill to work properly. A ball mill is a rotating drum with dozens of lead balls inside. The 3 chemicals are loaded into the ball mill, along with the lead balls, sealed shut and allowed to rotate for anywhere between 1 and 24 hours. As the ball mill rotates, the lead balls will crush the chemicals together ...
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20. Posted August 22, 2010. Milling until the BP clumps or sticks to the jar is a good thing. You had a lttle moisture, probably in the kn03. Grate the "balls" through a screen, dampen and rice. Or put them in a bucket and crush with the end of a baseball bat as if you would in corning.
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First off: NC is fairly insensitive to ignition. If we can ball mill black powder dry, why not NC? The problem is that NC is also very strong and flexible, quite undesirable properties for grinding. So ball milling with lead is probably going to be slow, and with heavy contamination. Brass or copper media (also safe for BP) might work better.
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Mix for 4 hours in the ballmill with brass media; 2. 75% potassium nitrate. 20% sulfur. Mix for 4 hours in the ballmill with brass media; 3. Mix the two compounds in the ballmill WITHOUT the brass media for an hour. Of course between the first and the second step the barrell and the medias must be carefully cleaned!
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All he had to buy for this project were the 5/8″ steel balls and the casters. The mill can also be used as a rock tumbler, though the bottle isn't quite water tight asis. He does not ...
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Removing Mill Dust from Mill Jar and Separating It from the Media Wet Granulating the Black Powder As it is right out of the ball mill, the mill dust will burn very rapidly with a "whoosh" if a small amount of it is lit with a fuse. To test this, lay out a short, 1/4inch wide line of the mill dust on a suitable outdoor surface.
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No. Glass can spark. Bas from Holland. Post by Steven Busic. I would like to make my own mill so that I can make higher quality. black powder. I've been looking around, and I've seen that most people. use lead balls for milling media, but they are heavy, and expensive. Would it be safe, and practicle to use common glass marbles for the.
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I woke up, not hearing the explosion, standing on my feet. I was 18 miles away. Safety makes a lot of sense. A lb of black powder burning in open air with no confinement makes quite an explosion. In a ball mill it would be significantly stronger due to the confinement and the ball media,
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Turn to MSE Supplies for your powder milling processing with our milling media, jars, planetary and roller mills all available for purchase through both our website and by contacting us for a custom quote.. Grinding media and milling media are used in milling or grinding processes to crush, grind and mill various materials.. There is a variety of milling media materials available to purchase ...
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My very first ball mill such as it was used a few pounds of stainless steel nuts and bolts for the medium charge. Ball bearings are very good for milling. Muzzle loading balls are, also. Fishing weights work (egg weights are about the best). Marbles work. Some people (scaring me as they do it) use glass marbles to mill black powder. LLoyd
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I thought I would try it out as a ball mill, so I cast up a large batch of .575" (58 cal) hard round lead balls. The trouble is that 30 pounds of lead balls only fills it to about 1/3 full. I know that it is desirable to have the mill 1/2 full of media. Will I get acceptable efficiency with only 1/3 of the mill full of media?
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100 pcs 1/2 ball mill hardened LeadAntimony media. Shop Products. 37mm Items. Ball Mills Media. Cannon Fuses. Chemical / Kits. Exploding Targets. Firing Units. Gummed Kraft Tape.
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Sign In. So my first ball mill is nearing completion, and with everything that I have read, there is a huge variance among fireworks enthusiasts as to how long they mill their powder. I know that this depends on a variety of factors, but how do you tell when your black powder has reached its maximum stren...
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12 We offer both LeadAntimony and AluminaCeramic Ball Milling Media. With multiple sizes and shapes available, you're sure to find what you need for your next project. AluminaCeramic Media available in 3 sizes: 1/2" Satellites 100 (1 lb) 1/2" Cylinders 100 ( lbs) 13/16" Cylinders 25 ( lbs) [for larger Ball Mills]
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Wiki says "A ball mill is a type of grinder used to grind materials into extremely fine powder for use in paints, pyrotechnics, and ceramics." Many instructables refer to United Nuclear Ball Mills. Their small ball mill cost between 70 and 80 dollars. For no more than 30 and in 5 minute you can build a ball mill of appreciable performance.
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Ball milling black powder is the fastest, cheapest, easiest way to make it. With practically the entire amateur pyro community milling complete black powder, there's bound to be the occasional accident. For those not willing to accept the unlikely (but very real) risks of explosion or fire while milling or when separating media, single ...
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Extremely hard, lead ball media for ball milling black powder and individual chemicals. If you are making black powder, you have to use nonsparking grinding media. Lead is nonsparking and is probably the safest thing to use for making BP. Pure lead balls are very soft and will literally grind themselves down to nothing.
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I've made some pretty good black powder using a coffee grinder and porter porter and pestle, but I was looking into getting a ball was going to get one of the cheap 70 6lb rock tumbler and modify it per skylighter's directions, but I would still need to get media to fill it half full, 200 1/2" balls.
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