Intelligent Mining Machines

limestone scrubber sand making

A. Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face

Onte Machinery is an enterprise specializing in the production of various crushing, sand making, grinding, mineral processing and building materials products. After 40 years of development, it has become the production and export base of China's mining machinery industry.

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