【摘要】 总结MG -475采煤机在现场使用的经验 ,着重分析采煤机液压牵引故障的类型及产生原因 ,利用华罗庚教授提出的“优选法”指导分析液压牵引故障原因 ,减少查找时间 ,提出处理方法 ,以提高采煤机的综合效率更多还原

【Abstract】 This text sums up the MG-475 experience that coal machine on the spot use,emphasizing the analysis adopt the coal machine liquid presses type and treation reasons that lead the breakdown,making use of the professor Hualuogeng of optimization method put forward guides to analyze the liquid presses to lead the breakdown reason,reducing time of checking,putting forward to handle method,to increase the coal machine synthesizes the efficiency.更多还原