Fault Detection and Isolation for Paper Machinery by Vibration Monitoring Method

運用振動監測法對製紙機械進行故障檢測與隔離

孫錦煌(Chin-Huang Sun) ； 陳威宇(Wei-Yu Chen) ； 陳志明(Chih-Ming Chen)

《中國機械工程學刊》 39卷1期 (2018/02) Pp. 43-52

摘要

Fault detection and isolation are important for preventing paper machinery from unexpected break-down during a production process. This study applied vibration monitoring technology to detect and isolate abnormal vibration occurred in paper machinery. The study made use of vibration analyzer to log overall vibration level trend of the objected machinery for a long period. This vibration spectrum was able to conduct vibration spectrum analysis to investigate whether it incurs an abnormal vibration for engineers. In this study, a case study was shown and examined for paper machinery. The study classified the correspondence of vibration spectrum with rolling element bearing and gear. This investigation was performed in a real workshop for a period of time to understand possible situations occurred in paper machinery. It showed that each vibration spectrum represented a unique problem occurred in the objected machinery. The analysis detailed the possible factors detected in the paper machinery. The obtained results can provide engineers to locate the causes of machine's breakdown to reduce economic loss for paper manufacturers.

關鍵字

Fault detection and isolation ； Vibration spectrum analysis ； Rolling element bearing ； Paper machinery

並列摘要

在生產過程中如何防止製紙機械發生意外故障所產生的損失乃是重要的課題。因此製紙機械的故障檢測和隔離成為一項重要技術手段。本研究應用振動監測技術來檢測和隔離製紙機械的傳動系統異常振動。利用振動頻譜分析儀對長週期運轉的機械設備的整體振動水準趨勢進行分析。這種被記錄下來的振動頻譜能夠經由振動頻譜分析，以調查機器是否有產生異常振動的情事。在本案例研究中，對製紙機械的傳動系統進行振動監測和分析，並將振動頻譜與滾動體軸承及傳動齒輪的對應關係進行了分類。本研究乃是在某企業工廠實際運轉的車間中進行一段時間來瞭解製紙機械可能發生的故障情形。研究顯示，經由每一個異常振動頻譜可對應一個機械結構獨特的損壞發生狀況。本研究詳細分析了製紙機械的傳動系統可能出現的故障，所得到的結果可以提供工程師找到機器的故障的原因，以減少工業紙製造商的經濟損失。