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一、问题的提出7006型φ3.6×4M球磨机,系富拉尔基第一重型机器厂制造。中选厂该机自73年101日投入运行后,多次出现剪断端衬螺栓,使端衬板脱落的现象,严重影响该机正常运转。78年4月,攀钢渡口选厂的同型机进料端盖断裂,致使该机及其基础严重毁损。有关领导便令机电科研究3进料部件的改造。我们于7月份出了图纸。8月份,该机端盖出现裂纹(漏矿浆),11月份,其28条加强筋之外端(φ2000处)全部出现裂纹,且行
First, the issue raised 7006 φ3.6 × 4M ball mill, Department of Fulaerji first heavy machinery manufacturing. In the election plant the aircraft put into operation from 101 on the 101st, many appear to cut end bolts, so that the phenomenon of the end liner off seriously affect the normal operation of the aircraft. In April 78, the same-type machine feed end cap of Panzhihua Ferry Co., Ltd. was fractured, resulting in serious damage to the aircraft and its foundation. The leadership of the Electrical and Mechanical Services Department will study 3 feed parts of the transformation. We got the drawings in July. In August, the aircraft end cap cracks (leaking slurry), in November, the 28 ends of the ribs (φ2000 Department) all cracks, and the line