Made in America Products by Goldquest
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| Rock Crusher - Arts, Crafts & Sewing [Goldquest] |
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The smaller the rocks, the further down it will go into the jaws, and the easier it is to crush it finer. The upper part of the moving jaw is primarily a forward and back motion, whereas the lower part of the jaw is primarily an up and down motion.
NEVER operate the CrazyCrusher with the steel safety plate open! Initial breaking of rocks can and will cause chips to fly out of the top. The safety plate is designed to keep the chips inside the crusher where they belong.
It is highly advisable to wear good leather gloves or mechanics gloves while working the CrazyCrusher to avoid getting blisters.
A catch container is included with the crusher. Start with the adjustable plate fully open by turning the adjusting screw counter-clockwise, then turn it in a couple turns. Open the safety plate, put your rock(s) in, close the safety plate and press down on the handle harder and harder until it breaks. IF it does not break, give it a few slams up and down, putting some weight behind it.
If you plan on grinding the rock to a fine sand, have the classifying screen handy in a pan or something. Once no more pieces are coming out, dump your catch container into the screen and shake the screen. What does not go through the screen and in to your pan can be dumped back in to the crusher after you put your catch container back under the crusher and turn the adjusting screw clockwise to about a 1/4 gap between the lower jaw area when the handles are in the down position.
Pour the remaining rock particles back in from your screen into the jaws, close the safety plate and work it again, repeating the process until all the sample passes through your selected screen.
To grind a sample, or to grind black sands for further processing, simply close the adjustable jaw until it is resting against the moving jaw. Raise and lower the handle a couple times to assure it is closed all the way and you have full movement of the arms. Starting with the handle in the down position, pour in a few tablespoons of black sands into the CrazyCrusher, and start working the handle up and down until no more sand is coming out. Short choppy strokes work better than full strokes.
A grinding operation will create small amounts of air-borne dust. It is ALWAYS important to either wear a dust mask or be sure to be up wind of the dust. The reason is that you do not know what is in that rock! There could be arsenic and other nasty things in the ore so you don't want to be breathing in that dust! (this is important, even for those using other methods or dry washers!!!! There could be Haunta virus in the sand, mercury, everything! Wear a quality dust mask!)
COLLECTING ORE SAMPLES:
If you decide not to take your crusher out in the field to crush ore samples on site, then as you collect samples, mark them with a sharpie marker with a reference number, Location #1, #2, etc., and make a notation on paper of that number, and include the GPS coordinates of the exact location your found that particular sample.
After collecting samples from many places, and when you have time to crush and analyze the ore, you will know as a fact where you got those samples! It's advisable to get several plastic containers that you can put your crushed ore in, with a larger piece of the ore to identify the rock your material came from. This way you can crush dozens of different samples, store them together and run your tests later down the road. You never know what you will find inside that particular rock, and knowing where you found it is invaluable. If only the miners and prospectors of the old days had GPS! There would not be any lost mine stories to read, or to look for!
Cleaning out the crusher between samples is easy with a large bottle brush, or compressed air. You can even hose it out, and then use compressed air to dry it so it does not rust on the jaw faces.
The Gold Miners Test Kit is the perfect companion for crushing rock samples so you can find out if your ore has gold in it or not!
OTHER USES:
The CrazyCrusher is a safe and great way to crush clean clear glass for a smelting operation. Crafters who works with stones can crush larger pieces of their special rocks into smaller pieces so they can be tumbled and polished. The CrazyCrusher will give the crafter a higher number of stones matched in size. The crusher can be set up to 1/2, and down to nothing in size. With additional adjustment of the adjuster, you can produce up to 3/4 in size for mineral samples. And of course, it makes a great crusher for those Brazilian nuts!