Stress Analysis of Glass Molding of V-groove Elements Using Finite Element Method
The glass molding press (GMP) technology used for optical elements has the advantages of one-step forming, low cost and mass production, which has wide and prosperous application in fabricating optical elements with micro structures.Focus on the large residual stress existing in micro-structure optical elements after GPM, a finite element simulation model of V-shaped micro grooves is constructed with the software MSC.Marc, and general Maxwell model with five-element is used to describe the viscoelastic properties of glass at high temperatures, the filling effects and stress distribution of V-shaped micro grooves are analyzed under different molding conditions.The simulation results show that the stress increases and filling effects is improved when the angle of V-shape increases;the higher molding speed will lead to higher stress and molding pressure;the stress decreases with the increase of molding temperature.
optical element glass molding press viscoelasticity micro groove stress distribution
Jianwu Yu Chan Li Shaohui Yin Cheng Yi
National Engineering Research Center for High Efficiency Grinding, Hunan University Changsha 410082
国际会议
长沙
英文
201-205
2016-11-04（万方平台首次上网日期，不代表论文的发表时间）