臺灣博碩士論文加值系統

鏟花加工技術是工具機精度提升的核心技術之一，但是目前並無法預測鏟花片壽命與為何會使機台運轉穩定、平順、耗電低、壽命長的機制，本文利用商業用鏟花片，以一般產業的運轉條件下進行實驗，然後以三體接觸模式進行分析，最後整合實驗分析與理論分析的結果顯示：(1)磨耗過後的鏟花面的高原處的斜度(Ssk)與旋度(Sku)處於小波谷且分布平均的狀態，此為鏟花面運轉平順的原因之一。(2)鏟花界面在一般設定1500 km壽命前後(1500-3000 km)處於史崔派克圖輕微混合潤滑境域並靠近厚膜潤滑境域，故摩擦係數與磨耗處於磨潤系統的極低值，此為節能與穩定運轉的原因之一。(3)磨屑顆粒大小介於150~1000 nm之間，經三體接觸分析顯示其即使少量存在接觸面間，其影響鏟花面性能相對小，代表耐磨片中凹槽(油袋)處可以儲存少量產生的磨屑，並不影響界面磨潤特性。(4)一般的鏟花片使用壽命(1200-1500 km)下，本次油袋深度共消耗12.74 μm，表面糙粗度Sq於0.60~0.89 μm，1500 km至3000 km的油袋深度共消耗4.99 μm，表面粗糙度Sq於0.61~0.82μm其鏟花片品質在後半段並未有明顯的劣化僅緩慢磨耗。(5)鏟花表面粗糙度的增加會影響到真實接觸面積、固體負荷及閃點溫度的上升，也連帶耗電量的增加。(6)由At*、Tss、Ls發現其1200 km前相對穩定，但在1200 km後其值雖未變大，但變動值變大，顯示界面開始不穩定。(7)塑性指數在運轉期間，其值在5.53~8.02，代表其界面維持在彈性變形與塑性變形的組合，是相對為良好的表面。基於以上實驗與三體接觸模型的分析結果，配合即時影像系統，未來可作為自動鏟花機的加工準則的參考。

Scraping technology is one of the core techniques for improving the precision of machine tools. However, currently, it is not possible to predict the lifespan of scraping blades and understand the mechanisms that contribute to stable, smooth, low-power, and long-lasting machine operation. In this study, actual commercially available scraping blades were used to conduct experiments under typical operating conditions in the industry. The experiments were then analyzed using the three-body contact model. Finally, the results from the integration of experimental and theoretical analyses are as follows:(1)After wear, the Skewness(Ssk) and Kurtosis(Sku) of the high plateau areas on the scraping blade surface are in a state of small wave valleys and average distribution. This is one of the reasons for the smooth operation of the scraping blade surface.(2)The scraping blade interface operates in the Stribeck curve's mild mixed lubrication regime, approaching the thick-film lubrication regime before and after a typical lifespan of 1500 km (1500-3000 km). As a result, the coefficient of friction and wear are at extremely low levels in the boundary lubrication system. This is one of the reasons for energy efficiency and stable operation.(3)The size of abrasive particles ranges from 150 to 1000 nm. The results of a three-body contact analysis indicate that even with a small quantity present between contacting surfaces, their influence on scraping surface performance is relatively minor. This suggests that the grooves (oil pockets) in the wear-resistant plates can effectively store a small amount of generated abrasives without affecting the interfacial tribological properties. (4)Over the typical lifespan of a scraping blade (1200-1500 km), the depth of the oil pockets has decreased by a total of 12.74 μm, and the surface roughness (Sq) ranges from 0.60 to 0.89 μm. From 1500 km to 3000 km, the depth of the oil pockets has further decreased by 4.99 μm, and the surface roughness (Sq) ranges from 0.61 to 0.82 μm. The quality of the scraping blade does not show significant degradation in the latter half of its lifespan, but rather exhibits slow wear.(5)The increase in surface roughness of the scraping blade affects the real contact area, solid load, and flash point temperature, resulting in increased power consumption.(6)Analysis of At*, Tss, and Ls reveals relative stability before 1200 km, but after 1200 km, although the values do not increase, the variation becomes larger, indicating that the interface has become unstable.(7)The plasticity index during operation ranges from 5.53 to 8.02, indicating that the interface maintains a combination of elastic and plastic deformation, representing a relatively good surface condition.Based on the above experimental and three-body contact model analysis results, in conjunction with real-time imaging systems, these findings may serve as reference criteria for future automated scraping machines' processing guidelines.

摘要...i
Abstract...ii
誌謝...iv
目錄...v
表目錄...vii
圖目錄...viii
第一章、緒論...1
1.1前言..1
1.2研究目的......1
1.3文獻回顧...2
1.3.1自動鏟花技術文獻...2
1.3.2鏟花表面分析文獻...3
1.3.3鏟花功能文獻...4
1.4論文架構...5
第二章、 理論分析...6
2.1三體界面負荷關係...6
2.2三體接觸溫度模式...8
2.3潤滑境域...9
第三章、實驗方法與儀器...11
3.1鏟花磨耗實驗規劃...11
3.2滑動導軌鏟花面磨耗試驗機...12
3.2.1滑動導軌鏟花面磨損試驗機實驗步驟...13
3.2.2滑動導軌鏟花面磨損試驗機注意事項...14
3.3非接觸熱像儀量測...14
3.3.1非接觸熱像儀實驗步驟...16
3.3.2非接觸熱像儀注意事項...16
3.4智慧電量監控...16
3.4.1智慧電量監控(KM50-E)實驗步驟...17
3.4.2智慧電量監控(KM50-E)注意事項...17
3.5三維光學粗度儀...17
3.5.1三維光學粗度儀實驗步驟...18
3.5.2三維光學粗度儀注意事項...18
3.6奈米粒徑分析儀...18
3.6.1奈米粒徑分析儀實驗步驟...19
3.6.2奈米粒徑分析儀注意事項...19
3.7光學顯微鏡...20
3.7.1光學顯微鏡實驗步驟...20
3.7.2光學顯微鏡注意事項...21
3.8分析型場發掃描式電子顯微鏡( SEM / EDS )...21
3.8.1分析型長發掃描式電子顯微鏡實驗步驟...22
3.8.2分析型長發掃描式電子顯微鏡注意事項...22
第四章、結果與討論...23
4.1表面形貌分析...23
4.1.1表面形貌2D及3D圖...24
4.1.2高原面積百分比(POP)...24
4.1.3斜度(Ssk)...25
4.1.3旋度(Sku)...32
4.1.6塑性指數(ψ)...39
4.1.4均方根粗度值(Sq)... 40
4.1.5油袋平均深度(Dmean)...40
4.2滑軌油顆粒分析...41
4.2.1平均顆粒大小...42
4.2.2顆粒濃度...42
4.2.3顆粒大小分布...43
4.3鏟花片成分分析...46
4.3.1鏟花面成分分析...46
4.3.2鏟花顆粒成分分析...49
4.4滑軌溫度分析...50
4.5馬達耗電量分析...52
4.5.1馬達工率及耗電量...52
4.6三體接觸模式分析...54
4.6.1無因次化真實接觸面積 54
4.6.2負荷百分比...55
4.6.3平均表面接觸溫升...56
第五章、結論...58
參考文獻...60
附錄A...63
附錄B...72
Extended Abstract...81

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