求翻译：摘要：本文针对昆钢炼钢厂LF精炼炉精炼炉液压系统由于设计缺陷，系统在实际运行中存在压力冲击过大、运行平稳性差， 炉盖提升系统存在的链条断损这一问题，通过故障原因分析后，找出了造成链条断损的原因是链轮设计不合理和承载问题。通过对精炼炉液压系统炉盖提升系统的改造解决原有存在的问题，达到改进的目的。为昆钢增加经济效益作阐述。是什么意思？

Abstract: This article Kunming Iron and Steel LF refining furnace refining furnace steel plant hydraulic system due to design flaws, the system exists in the actual operation of the pressure shock is too large, smooth operation, poor lid lift system there is the problem of the chain and broken by fa

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Abstract: This article in view of the elder brother steel steel mill LF refining furnace refining furnace hydraulic system as a result of the design flaw, the system has the pressure impact oversized in the actual movement, the movement stability is bad, bung promotion system existence chain link br

Abstract: this paper focuses on Kunming steel-making plant due to hydraulic system of LF refining furnace refining furnace design defects, system exists in the actual operating pressure impact too large, poor ride quality, chain breakdown of furnace cover lifting system this problem, after passing t

Abstract: this paper focuses on Kunming steel-making plant due to hydraulic system of LF refining furnace refining furnace design defects, system exists in the actual operating pressure impact too large, poor ride quality, chain breakdown of furnace cover lifting system this problem, after passing t