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《Optical Technique》 2018-05
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Installment design of bifocallensesfor milling-grinding manufacturing application

LU Hongyan;LU Shengqi;BAI Dongfeng;Henan Polytechnic Institute;Purdue University;  
The additional diopter zone of the bifocal lens deviates from the main diopter zone,and the eccentric position is strictly required.It is difficult to control errors in practical production and is not suitable for mass production.A design scheme is put forward.The lens is clamped once in the process of eccentric milling and grinding,which solves the problem of the orientation matching of the optical axis in the additional diopter region caused by the positioning datum and the precision grinding in the back path process.The fixture is used in practice and has good processing technology and economy.
【Fund】: 河南省科技攻关计划项目(172102210233)
【CateGory Index】: TH74;TG75
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