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                                                                                                                                                                振動分析的過程有什么?
                                                                                                                                                                發布時間:2013-2-25 10:25:48

                                                                                                                                                                   振動分析的過程有什么

                                                                                                                                                                  問診→ 監測→ 診斷→ 措施

                                                                                                                                                                  問診:了解設備背景,列出可能引起振動的原因

                                                                                                                                                                  ?設備結構(傳動鏈參數,如齒輪齒數、軸承型號、皮帶輪直徑等)、設備的動態特性等信息;

                                                                                                                                                                  ?設備運行工況,過程參數:溫度、壓力、轉速、負荷

                                                                                                                                                                  ?設備維修檔案

                                                                                                                                                                  監測: 確定振動監測和分析方案

                                                                                                                                                                  ?測試的工況(轉速、負荷);測點位置;測試參數(振動位移、速度、加速度);絕對振動、相對振動

                                                                                                                                                                  ?測試振動的方向(H/V/A)

                                                                                                                                                                  ?數據類型(幅值、頻譜、波形、相位)

                                                                                                                                                                  ?信號檢測類型:峰值、峰峰值、有效值

                                                                                                                                                                  診斷:引起振動的原因和部位

                                                                                                                                                                  ?振動幅值趨勢分析

                                                                                                                                                                  ?振動波形識別

                                                                                                                                                                  ?頻譜分析、峰值能量譜分析

                                                                                                                                                                  ?頻響特性與相干分析

                                                                                                                                                                  ?瞬時頻率變化與相位分析

                                                                                                                                                                  措施:給出結論

                                                                                                                                                                  ?繼續運行;還能運行多久?

                                                                                                                                                                  ?維修、檢查;部位?

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