論文名稱：G10液晶玻璃基板之機械手臂牙叉結構改良與最佳化設計本研究為開發一G10液晶玻璃基板用之機械手臂牙叉，以有限元素分析軟體ABAQUS，搭配反應曲面法以得到G10液晶玻璃基板之機械手臂牙叉最佳化設計。本論文先對G6液晶玻璃基板之機械手臂牙叉進行靜態分析，與參考文獻的實驗值誤差在15.8%以內，確認模擬分析方法是可信任的。然後以G4.5液晶玻璃基板之機械手臂牙叉進行靜態變形之撓曲位移分析，分別探討三種質量輕、剛性強之機械特性材料，分析結果為碳纖維強化樹酯(CFRP)優於鋁合金(A6061-T6)的58.3%撓曲位移，優於鎂合金(AZ91)的55.0%。牙叉結構亦設定四種不同截面形狀，分析結果為空心結構型式為最佳結構，亦發現增置加強肋可減少25.7%撓曲位移。最後依據G4.5液晶玻璃基板之機械手臂牙叉分析研究之結果，取空心結構截面形狀設計，求取G10液晶玻璃基板用之機械手臂牙叉之最佳化設計。透過反應曲面法，考量最小成本與符合G8卡匣的卡匣空間限制條件下，預測最佳的G10液晶玻璃基板用之機械手臂牙叉最小撓曲位移量為18.84mm，與使用有限元素分析驗證之撓曲位移19.11mm相近。關鍵字:液晶顯示器、機械手臂牙叉、有限元素法、反應曲面法Title: Improvement and Optimization Design of Fork for G10 TFT-LCD Glass Panel HandlingThis research aims to develop a fork design for G10 TFT LCD glass panel handling. An optimum design of the fork is achieved, using finite element analysis software ABAQUS and response surface methodology.First, the deflection from a static analysis of a G6 fork was performed and compared with experimental results to validate the finite element analysis. Then, the deflections of G4.5 fork of 3 lightweight, high-stiffness materials were simulated. Analysis results revealed that among the 3 materials, Carbon Fiber Reinforced Plastics (CFRP) was superior to Aluminum Alloy (A6061-T6) by 58.3%, and Magnesium Alloy (AZ91) by 55.3%. In addition, hollow cross-section is the best among the 4 cross-sections for fork deflection. Adding stiffening ribs alos reduces the deflection by 25.7%According to the results of G4.5 fork design, optimum design of G10 fork with hollow cross-section was explored by using response surface methodlogy. In the constrained optimization analysis, the objective is minimum cost (volume) of the fork, while the constraint is that deflection is no more than 20mm (cassettes space of G8 LCD cassettes). For the achieved optimum design, the predicted deflection by response surface methodology is 18.84mm, and deflection from finite element analysis is 19.11mm.Keywords: LCD monitor、Robot-fork、Finite Element Method、Response Surface Methodology
