Experimental investigation on grinding characteristics of optical glass BK7: with special emphasis on the effects of machining parameters
Experimental investigation on grinding characteristics of optical glass BK7: with special emphasis on the effects of machining parameters
复制标题
光学玻璃BK7磨削特性的实验研究：特别强调加工参数的影响
DOI：
10.1007/s00170-015-7495-2
复制
发表时间：
2016-02
影响因子：
3.4
通讯作者：
Wang, Wanshan
中科院分区：
文献类型：
--
作者：
Yu, Tianbiao;Li, Haonan;Wang, Wanshan
光学玻璃BK7作为一种应用广泛的光学材料，在工业生产中采用先研磨后抛光的方式进行机械加工。然而，抛光过程耗时且成本高。因此，通过磨削生产高质量的BK7工件是非常有意义的。为了了解 BK7 的研磨特性，进行了许多研究并进行了报道。但迄今为止，大多数研究的工业相关性较低，难以应用于指导BK7玻璃的实际生产。为了填补这一空白，本研究对 BK7 磨削特性进行了研究，并特别强调了加工参数对加工表面形貌、表面下损伤和磨削力的影响。结果表明，砂轮切深在BK7磨削中起着最重要的作用，稍有不同就会导致材料去除方式完全不同。轮速是第二个重要参数。它不能改变主要的去除模式，但可以稍微调整加工表面、亚表面损伤和磨削力的特性。工件进给速度对BK7磨削影响较小。从工业应用的角度来看，1.0μm的砂轮切深、高砂轮转速和高工件进给量更为合理和实用，因为在此条件下磨削加工可以生产出表面无裂纹、亚表面亚损伤、去除率高、磨削力稳定的BK7工件。本文研究结果有望为BK7磨削工艺的研究提供实验参考，指导BK7光学元件的工业化生产。
As a kind of widely used optical material, optical glass BK7 is machined by first grinding and then polishing in industrial production. However, the polishing process is time-consuming and high-cost. Therefore, it is very meaningful to produce high-quality BK7 workpieces by grinding. To understand the grinding characteristics of BK7, many studies were conducted and reported. But most studies available so far had low industrial relevance and were difficult to be applied to guide real production of BK7 glass. To fill this gap, in this study, BK7 grinding characteristics are investigated and special emphasis is laid on the effects of machining parameters in terms of machined surface morphology, subsurface damage, and grinding force. Results show that wheel depth of cut plays the most important role in BK7 grinding, and a little difference of it leads to completely different material removal modes. Wheel speed is the second important parameter. It cannot change the dominant removal mode but can slightly adjust the characteristics of machined surface, subsurface damage, and grinding force. Workpiece feed rate has a small impact on BK7 grinding. From the viewpoint of industrial application, it suggests that the wheel depth of cut of 1.0 μm, high wheel speed, and high workpiece feed rate are more rational and practical because under this condition the grinding process can produce BK7 workpieces, which possess crack-free surface and sublet subsurface damage, with high removal rates and stable grinding forces. The findings of this paper are expected to be meaningful to provide the experimental references for the studies of the BK7 grinding process and guide industrial production of BK7 optical components.
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DOI：
--
发表时间：
1971
期刊：
--
影响因子：
--
作者：
G. Werner
通讯作者：
G. Werner
影响因子：
4.2
作者：
Qingliang Zhao;Lingling Zhao;B. Guo;David Stephensin;J. Corbett
通讯作者：
Qingliang Zhao;Lingling Zhao;B. Guo;David Stephensin;J. Corbett
DOI：
10.1007/s00170-012-4509-1
发表时间：
2013-07
期刊：
The International Journal of Advanced Manufacturing Technology
影响因子：
--
作者：
Dongxi Lv;Yanhua Huang;Yongjian Tang;Hong-xiang Wang
通讯作者：
Dongxi Lv;Yanhua Huang;Yongjian Tang;Hong-xiang Wang
影响因子：
10.9
作者：
H. Bach;N. Neuroth
通讯作者：
H. Bach;N. Neuroth
影响因子：
3.9
作者：
H. P. Kirchner
通讯作者：
H. P. Kirchner