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Research on the key technology in ultra-precision machining of optical micro V-groove mold roller

机译：光学微型V形槽模具辊超精密加工关键技术研究

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摘要

The optical properties of micro-structure surface mold roller in the field of optics, machinery and electronics, biomedical and defense sectors are showing an increasingly important application value and broad application prospects. There is still no more mature method to machining ultra-precision large-size optical V-groove mold roller, and the roller surface treatment technology can't meet the technical requirements of the field of optical applications. This article takes advantage of ultra-precision diamond turning to machining V-groove structure on nickel-phosphorus plating steel roller by spiral cutting method. The helix angle of the mold roller was designed 0.9", which meet the requirements of the experimental error, while using a nickel-phosphorus alloy coating can eliminate the secondary polishing process and achieve a cost-efficient ultra-precision machining. Analyzed the processed tool wear, high-temperature graphitization and micro-chipping were the main reason for tool wear.
机译：微结构表面模辊在光学，机械和电子领域，生物医学和国防领域的光学性能呈现出越来越重要的应用价值和广泛的应用前景。加工超精密大尺寸光学V槽模具辊仍然没有更成熟的方法，滚筒表面处理技术不能满足光学应用领域的技术要求。本文利用螺旋切割方法在镍磷电镀钢辊上加工V形槽结构的超精密金刚石。模具辊的螺旋角设计0.9“，符合实验误差的要求，同时使用镍 - 磷合金涂层，可以消除二次抛光过程并实现经济高效的超精密加工。分析了加工工具磨损，高温石墨化和微碎片是工具磨损的主要原因。

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