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T Machinery a.s. produces shearers for bi-directional and unidirectional mining of deposits of coal and some other minerals in the form of seams. Shearers are primarily designed for coal …
As shown in Figure 1, three kinds of mining equipment used in the longwall face are a shearer, an armored face conveyor (AFC), and a roof support system. The shearer …
Joy introduced the first all-electric shearer in 1976. Since then, Joy shearers have been working in the world's most productive longwall mines and in the most demanding conditions. Models are available for seam ranges from 1.3 to 9.0 meters (4.3 to 30 ft.).
Three high-tensile fabrications comprise the body of the Joy shearer, forming a slim main section with no under-frame. Eliminating the under-frame allows more material passage under the …