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我厂1150初轧机压下螺母磨损检查工作一向采用先锁住上轧辊平衡支柱,使上轧辊与其轴承座脱离,然后吊去上部防护罩,用吊车提起压下螺丝,根据压下螺丝提升前后位置的高度差来判断压下螺母的磨损量。但这种测量方法因需要停产4小时,不可能经常进行。为了准确掌握压下螺母的使用情况,防止因磨损严重而发生设备事故,只好卸出压下螺丝,靠人钻进压下螺母里去进行检查。
I plant 1150 at the beginning of the mill rolling nut wear inspection work has always been used to lock the roll balancing struts, so that the roll and its bearing from, and then hoisted to the upper protective cover, with the crane lift the screw down, according to the screw down the front and rear position The difference in height to determine the amount of wear nut reduction. However, this measurement method can not be carried out frequently because it needs to be shut down for 4 hours. In order to accurately grasp the use of the nut, to prevent serious wear and tear caused by equipment accidents, had to unload the screws, pressed by the man to drill into the nut to check.