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根据采煤工作面煤体的力学特征和强度特性 ,分析了滚筒铣削破煤机理 ,介绍了冲击破煤的原理和冲击式采煤机的结构 ,并对冲击式采煤机的试验情况进行了分析。
According to the mechanical characteristics and strength characteristics of the coal face, the mechanism of coal drum milling was analyzed, the principle of impact coal breaking and the structure of the impact shearer were introduced, and the experimental results of the impact shearer analysis.