现代制造工程
現代製造工程
현대제조공정
MODERN MANUFACTURING ENGINEERING
2013年
9期
79-82
,共4页
切割%玻璃基板%JHC模型%脆性材料%本构参数
切割%玻璃基闆%JHC模型%脆性材料%本構參數
절할%파리기판%JHC모형%취성재료%본구삼수
cutting%glass substrate%JHC model%brittleness material%constitutive parameter
为解决切割TFT-LCD玻璃基板过程中裂纹动态扩展的不确定性,利用MATLAB软件建立切割过程的计算模型并融入JHC本构模型、玻璃基板材料力学性能和脆性材料力学特性,得出玻璃基板本构参数,并通过实际切割效果与理论仿真结果相结合的方法进一步完善本构参数,模拟切割过程,分析切割过程中影响刀轮受力与裂纹动态扩展的因素,为合理选择切割参数及刀具几何参数、保证玻璃切割质量提供了理论依据。
為解決切割TFT-LCD玻璃基闆過程中裂紋動態擴展的不確定性,利用MATLAB軟件建立切割過程的計算模型併融入JHC本構模型、玻璃基闆材料力學性能和脆性材料力學特性,得齣玻璃基闆本構參數,併通過實際切割效果與理論倣真結果相結閤的方法進一步完善本構參數,模擬切割過程,分析切割過程中影響刀輪受力與裂紋動態擴展的因素,為閤理選擇切割參數及刀具幾何參數、保證玻璃切割質量提供瞭理論依據。
위해결절할TFT-LCD파리기판과정중렬문동태확전적불학정성,이용MATLAB연건건립절할과정적계산모형병융입JHC본구모형、파리기판재료역학성능화취성재료역학특성,득출파리기판본구삼수,병통과실제절할효과여이론방진결과상결합적방법진일보완선본구삼수,모의절할과정,분석절할과정중영향도륜수력여렬문동태확전적인소,위합리선택절할삼수급도구궤하삼수、보증파리절할질량제공료이론의거。
In order to solve the uncertainty in the process of cutting TFT-LCD glass substrate ,establishes the math model of cut-ting process combined with JHC model ,mechanical properties of glass substrate and brittleness material mechanics properties by MATLAB software to obtain the constitutive parameters .Then these parameters are further modified and improved by comparing the actual to simulated results .The cutting process is analyzed to acquire the influence factors on the force applied on the cutter wheel and the cracks propagation process ,that provides theory basis for choosing cutting parameters ,geometric parameters of cut-ting wheels reasonably and guaranteeing the quality of cutting process .