【摘要】：冷軋廠現(xiàn)場的旋轉(zhuǎn)機械設(shè)備對于穩(wěn)定生產(chǎn)至關(guān)重要,一旦出現(xiàn)故障,將嚴重制約現(xiàn)場生產(chǎn)任務(wù)的完成,同時,由于旋轉(zhuǎn)機械設(shè)備的振動信號不平穩(wěn)、故障原因多種多樣、故障征兆隱蔽不易發(fā)現(xiàn)、故障原因錯綜復(fù)雜等原因,故障與征兆之間不可能完全一一對應(yīng),實際從事現(xiàn)場設(shè)備振動分析診斷時,應(yīng)充分掌握所測設(shè)備的各種信息,靈活運用所學的振動原理和測量方法,將實際經(jīng)驗與專業(yè)知識有機的融合在一起,才能有效地實現(xiàn)故障診斷。 本文在振動故障診斷理論的基礎(chǔ)上,分析了冷軋廠常見旋轉(zhuǎn)設(shè)備的幾種典型故障信號。結(jié)合有關(guān)案例,對不平衡故障,不對中故障,滾動軸承故障,齒輪故障等進行了分析。在實際工作中,應(yīng)高度重視振動的發(fā)展變化過程,對于振動突然增大、增大后又減小的情況,往往預(yù)示了故障的發(fā)展加快,應(yīng)加強監(jiān)測；雖然目前滾動軸承診斷標準中以振動速度為依據(jù),振動加速度仍然是進行滾動軸承診斷的重要參數(shù)。
[Abstract]:The rotating machinery equipment in the field of cold rolling mill is very important for the stable production. Once there is a fault, it will seriously restrict the completion of the field production task. At the same time, the vibration signal of the rotating machinery equipment is not steady, and the reasons for the failure are various. The hidden fault symptoms are difficult to find, the causes of the faults are complicated and so on. It is impossible to completely correspond the fault and the symptoms. When actually engaged in the vibration analysis and diagnosis of the field equipment, we should fully grasp all kinds of information of the equipment measured. In order to realize fault diagnosis effectively, the vibration principle and measurement method are used flexibly, and the practical experience and professional knowledge are combined together in order to realize the fault diagnosis effectively. Based on the theory of vibration fault diagnosis, several typical fault signals of common rotating equipment in cold rolling mill are analyzed in this paper. Combined with relevant cases, this paper analyzes the unbalanced fault, misalignment fault, rolling bearing fault, gear fault and so on. In the actual work, we should attach great importance to the development and change process of vibration. For the situation that the vibration increases suddenly, increases and then decreases, it often indicates that the development of faults is speeding up, and the monitoring should be strengthened. Although the current diagnostic criteria for rolling bearings are based on vibration velocity, vibration acceleration is still an important parameter in the diagnosis of rolling bearings.
【學位授予單位】：東北大學
【學位級別】：碩士
【學位授予年份】：2012
【分類號】：TH165.3

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