Rock Crusher History Mineral Processing Metallurgy
History tells us, it was in 1830, the first US patent was issued on a rock crushing machine. It covered a device which, in a crude way, incorporated the drop hammer principle later used in the famous stamp mill, whose history is so intimately linked with that of the golden age of mining.
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The hammer crusher (hammer mill) crushes materials by the collisions between the high-speed hammer and materials, and the hammer crusher (hammer mill) features are in its simple structure, high reduction ration, high efficiency, etc.
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