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实测表明,滚筒截煤时消耗的功率占整个采煤机功率的80％~90％。因此,滚筒设计的质量直接关系到采煤机的工作性能,而滚筒的载荷是设计和研
The measured results show that the power consumed by the drum cutting coal accounts for 80% to 90% of the power of the entire shearer. Therefore, the quality of roller design is directly related to the working performance of shearer, and the load of roller is design and research