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大件端面行孔组的加工鸡西煤矿机械厂王策新，杨永庆，万忠贤我厂生产的ＭＧ３００系列采煤机的底托架属于大件加工，尤其是端面１０—φ８０Ｈ８行孔的加工难度很大。该部件由长３２６０ｍｍ的左右托架和长１４００ｍｍ中架连接组合成一体，组合用的连接孔为１０—φ８０...
Large-end face row hole group processing Jixi Coal Mine Machinery Factory Wang Cexin, Yang Yongqing, Wan Zhongxian MG300 series shearer production plant bottom bracket belonging to the large-scale processing, especially the end face 10-φ80H8 row hole processing is very difficult . The parts by the length of 3260mm left and right brackets and long 1400mm in the frame connecting the combination of a combination of connection holes for the 10-φ80 ...