Design the Separation Method and Holder for Plastic Lenses

IF 3.1 4区 医学 Q2 BIOPHYSICS Journal of Applied Biomaterials & Functional Materials Pub Date : 2022-12-30 DOI:10.35745/afm2022v02.04.0001
Nguyen Ngoc Thai, Bing Liu, Kuan-Yu Lu, Gadi Ashok Kumar Reddy, K. Lee
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Abstract

Plastic lenses are very fragile and scratch easily. Therefore, to remove the plastic lens from the door without causing any damage, a precise base bracket is required. This article describes a method for separating plastic lenses using a 15 KHz ultrasonic horn. In this case, EDM and servo motors are used to make micro on the base holder by adjusting the gap voltage, pulse on time, pulse off-time, and outlet water pressure. To check longitudinal vibration at 15 KHz frequencies for ultrasonic horns, perform harmonic analysis by providing 15KHz frequency as the input value. The experimental results demonstrated that the average error of machining micro-holes is 0.01025 mm by EDM. The ultrasonic horn is designed to fit with 15 KHz, after tuning the ultrasonic vibration, the total machining time is 1.25 seconds, and all the plastic lenses on the workpiece gate can break within one cycle. The quality accuracy of the plastic lens is 90.83%.
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设计塑料镜片的分离方法和支架
塑料镜片非常脆弱,很容易划伤。因此,为了在不造成任何损坏的情况下将塑料镜片从门上取下,需要精确的底座支架。本文介绍了一种使用15khz超声波喇叭分离塑料透镜的方法。在这种情况下,使用电火花加工和伺服电机通过调节间隙电压、脉冲接通时间、脉冲关闭时间和出水压力来实现在底座支架上的微动。为了检查超声喇叭在15KHz频率下的纵向振动,通过提供15KHz频率作为输入值进行谐波分析。实验结果表明,电火花加工微孔的平均误差为0.01025 mm。超声变幅设计配合15khz,调整超声振动后,总加工时间为1.25秒,工件浇口上的所有塑料透镜可在一个周期内全部断裂。塑料镜片的质量精度为90.83%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Applied Biomaterials & Functional Materials
Journal of Applied Biomaterials & Functional Materials BIOPHYSICS-ENGINEERING, BIOMEDICAL
CiteScore
4.40
自引率
4.00%
发文量
36
审稿时长
>12 weeks
期刊介绍: The Journal of Applied Biomaterials & Functional Materials (JABFM) is an open access, peer-reviewed, international journal considering the publication of original contributions, reviews and editorials dealing with clinical and laboratory investigations in the fast growing field of biomaterial sciences and functional materials. The areas covered by the journal will include: • Biomaterials / Materials for biomedical applications • Functional materials • Hybrid and composite materials • Soft materials • Hydrogels • Nanomaterials • Gene delivery • Nonodevices • Metamaterials • Active coatings • Surface functionalization • Tissue engineering • Cell delivery/cell encapsulation systems • 3D printing materials • Material characterization • Biomechanics
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