Deterministic polishing from theory to practice

Deterministic polishing from theory to practice
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从理论到实践的确定性完善

DOI:
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发表时间:
2015
期刊:
SPIE Optifab
影响因子:
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通讯作者:
Zachary Hobbs
Zachary Hobbs
中科院分区:
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文献类型:
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作者:
Abigail R. Hooper;Nathan N. Hoffmann;H. W. Sarkas;J. Escolas;Zachary Hobbs

文献摘要

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在光学制造商削减成本的压力越来越大的经济环境中,提高光学制造的可预测性对于提高利润率和保持竞争优势大有裨益。隐藏成本的一个主要来源是返工-在第一次通过抛光设备时不符合规格的产品份额。返工大大增加了零件的加工和劳动力成本,以及生产线的瓶颈和管理人员,操作员和客户的挫折感。抛光过程由几个相互作用的变量组成,包括:玻璃类型,抛光垫,机器类型,RPM,下压力,浆料类型,波美度,甚至操作员本身。调整工艺以使每个变量都在控制之下,同时在稳健的空间中操作,不仅可以提供提高盈利能力的确定性抛光工艺,而且还可以生产更高质量的光学器件。
Improving predictability in optical fabrication can go a long way towards increasing profit margins and maintaining a competitive edge in an economic environment where pressure is mounting for optical manufacturers to cut costs. A major source of hidden cost is rework – the share of production that does not meet specification in the first pass through the polishing equipment. Rework substantially adds to the part’s processing and labor costs as well as bottlenecks in production lines and frustration for managers, operators and customers. The polishing process consists of several interacting variables including: glass type, polishing pads, machine type, RPM, downforce, slurry type, baume level and even the operators themselves. Adjusting the process to get every variable under control while operating in a robust space can not only provide a deterministic polishing process which improves profitability but also produces a higher quality optic.