The paper analyses poor loading effects of MG250/300-NWD electric-driven short-wall shearer during its testing period in Datong and puts forward the recommendations of improvement.

• 对MG250/300-NWD型电牵引短壁采煤机,在大同进行工业性试验期间出现装煤效果差的原因进行分析,并提出改进建议。