问题的提出我公司原１００００螺旋导轨气柜自１９９０年初建成投产以来，经常发生卡轨、脱轨，导致升降受阻、挂圈水封冲翻而无法使用。经分析，我们认为造成卡轨、脱轨的主要原因是：气柜因制作过程中存在质量缺陷以及气柜升降频繁，经长期运行，导致轨道变形，柜体严重... Problems raised Our company’s original 10000 screw guide gas cabinet has been stuck and derailed since it was completed and put into production in early 1990. This has caused the lift to be blocked, and the water seal overturned to overturn and cannot be used. After analysis, we believe that the main reasons for the formation of rails and derailment are: due to quality defects in the production process of gas cabinets and frequent gas cabinet up and down movements, the rails are deformed due to long-term operation, and the cabinets are serious...