Investigation on the machinability of polycrystalline ZnSe by elliptical vibration diamond cutting

被引:0
作者
Ma, Shanyi [1 ]
Lu, Yujiang [1 ]
Fu, Yufan [1 ]
Li, Xinhuan [1 ]
Lai, Jianjun [2 ]
Zhang, Jianguo [1 ]
Chen, Xiao [3 ,4 ]
Xiao, Junfeng [1 ]
Xu, Jianfeng [1 ]
机构
[1] Huazhong Univ Sci & Technol, Sch Mech Sci & Engn, State Key Lab Intelligent Mfg Equipment & Technol, Wuhan 430074, Peoples R China
[2] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
[3] Hubei Univ Technol, Sch Mech Engn, Wuhan 430068, Peoples R China
[4] Natl Innovat Inst Digital Design & Mfg, Wuhan 430206, Peoples R China
基金
中国国家自然科学基金;
关键词
SOLAR-CELL; MODEL;
D O I
10.1364/OE.504908
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Polycrystalline zinc selenide is widely used in advanced optical systems due to its superior optical properties. However, the soft and brittle properties bring a challenge for high-quality surface processing. In recent years, elliptical vibration cutting has been proven as a promising method for machining brittle materials. In the present research, a series of grooving and planning experiments were carried out to investigate the machinability of zinc selenide with elliptical vibration cutting. The removal mechanism was analyzed from fracture characteristics, chip morphology, and phase transformation. The results show that elliptical vibration cutting is effective in suppressing cleavage-induced craters. Reducing the nominal cutting speed is beneficial to inhibit the spring back-induced tearing of grains. A 94-time increase in the critical depth of cut was achieved by vibration trajectory optimization compared to ordinary cutting. Moreover, the influence mechanism of feed on the evolution of surface morphology was revealed. Finally, a zinc selenide microlens array was successfully fabricated. The performance was evaluated by geometric parameter measurements and a multiple imaging test. The findings provide a prospective method for ductile regime machining of zinc selenide.
引用
收藏
页码:482 / 498
页数:17
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