六、 課程內容:
1.
Principles of vibration振動原理
(1) Basic motion (基本運動)
(2) Period, frequency (週期、頻率)
(3) Amplitude: peak, peak-to-peak,
r.m.s. (峰值、峰值對峰值、均方根值)
(4) Parameters: displacement, velocity,
acceleration (參數:位移、速度、加速度)
(5) Units, unit conversions (單位、單位轉換)
(6) Time and frequency domains (時間和頻率)
(7) Phase (相位)
(8) Natural frequency, resonance, critical
speeds (自然固有頻率、共振、臨界速度)
2.
Data acquisition數據採集
(1) Instrumentation (儀器)
(2) Transducers (轉換器)
(3) Sensor mounting, mounted natural
frequency (感測器安裝、安裝自然頻率)
(4) Test procedures (試驗程序)
(5) Computer database upload/download (電腦數據庫上傳/下載)
(6) Recognition of poor data (不良數據之判斷)
3.
Signal processing信號處理
(1) Analog sampling, digital sampling (類比取樣、數位取樣)
(2) FFT application (快速傅立葉轉換應用)
(3) Time windows: uniform, Hanning,
flat-top (時間視窗:均勻、漢寧、平頂)
(4) Filters: low pass, high pass, band
pass, tracking (濾波器:低通、高通、帶通、追蹤)
(5) Anti-aliasing (反假象)
(6) Bandwidth, resolution (頻寬、解析度)
(7) Averaging: linear, synchronous time,
exponential (平均化:線性、同步時間、指數)
(8) Dynamic range (動態範圍)
4.
Condition monitoring狀態監測
(1) Equipment evaluation and
prioritization (設備評估和優先)
(2) Monitoring programme design (監控程序設計)
(3) Baseline assessments, trending (基準線評價、趨勢)
(4) Route planning (路徑規劃)
(5) Fault condition recognition (故障狀態識別)
5.
Fault analysis故障分析
(1) Spectrum analysis, harmonics,
sidebands (頻譜分析、簡諧、邊帶)
(2) Mass unbalance (質量不平衡)
(3) Misalignment (不對心)
(4) Mechanical looseness (機械鬆動)
(5) Bearing defects: rolling element,
journal (軸承缺陷:滾動元素、軸承)
(6)
Electric motor defects (馬達瑕疵)
(7) Gearbox analysis (變速箱分析)
(8) Resonance and critical speeds (共振和臨界轉速)
6.
Corrective action矯正措施
(1) Shaft alignment (軸對心)
(2) Field balancing (現場平衡)
(3) Basic maintenance action (基本保養程序)
7.
Equipment knowledge設備知識
(1) Electric motors, generators and
drives (馬達、發電機和驅動元件)
(2) Pumps, fans (泵、風扇)
(3) Steam turbines, gas turbines (蒸汽渦輪機、燃氣渦輪機)
(4) Compressors (壓縮機)
(5) Reciprocating machinery (往復式機械)
(6) Rolling mills, paper machines, other
process equipment (滾軋機、造紙機、其他製程設備)
(7) Machine tools (工具機)
(8) Structures, piping (結構、管線)
(9) Gearboxes (變速箱)
(10)
Rolling element bearings (滾動軸承)
(11)
Journal bearings (滾珠軸承)
(12)
Gearing (傳動)
(13)
Couplings, belts (聯結器、皮帶)
8.
Acceptance testing驗收測試
(1) Test procedure (測試程序)
(2) Specifications and standards (規範和標準)
(3) Reporting (報告)
9.
Equipment testing and diagnostics設備測試和診斷
(1) Impact testing (衝擊測試)
(2) Forced response testing (強制響應測試)
10.
Reference standards參考標準
(1) ISO (國際標準化組織)
(2) IEC (國際電工委員會)
(3) Relevant national standards (相關國家標準)
11.
Reporting and documentation報告和文件
(1) Condition monitoring reports (狀態監測報告)
(2) Vibration diagnostics reports (振動診斷報告)
12.
Fault severity determination判斷故障嚴重性
(1) Spectrum analysis (頻譜分析)
(2) Levels: overall, narrowband,
component (位準:總量、窄頻、單頻率)
(3) Severity charts, graphs and formula (嚴重度圖示、圖表和公式)