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首页> 外文会议>Asia Pacific Conference on Optics Manufacture; 20070111-13; Hongkong(CN) >A Study of the Scallop Generation Mechanism in Ultra-precision Raster Milling
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A Study of the Scallop Generation Mechanism in Ultra-precision Raster Milling

机译：超精密光栅铣削扇贝产生机理的研究

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摘要

Ultra-precision raster milling (UPRM) can directly achieve the fabrication of three-dimensional non-axisymmetric freeform components with nanometeric surface finish and sub-micrometric form accuracy. During the past few years, a lot of research on computerized numerical control (CNC) machining technologies has been conducted; however, little of this research makes any contribution to UPRM. This paper studies the mechanism of scallop height generation for UPRM. Through analyzing the cutting edge locus and the scallop height generation mechanism, a model for feed-intervals and for raster-interval scallop height generation, are presented. Parameters such as selection of feed direction (vertical cutting and horizontal cutting), feed rate, spindle speed, tool nose radius, swing distance, feed length and raster distance have been taken into consideration in the scallop generation models.
机译：超精密光栅铣削（UPRM）可以直接实现具有纳米表面光洁度和亚微米形状精度的三维非轴对称自由形状零件的制造。在过去的几年中，已经对计算机数控（CNC）加工技术进行了大量研究。但是，这项研究很少对UPRM有所贡献。本文研究了扇贝高产生UPRM的机理。通过分析前沿轨迹和扇贝高度生成机制，提出了一种进给间隔和光栅间隔扇贝高度生成模型。在扇贝生成模型中已考虑了进给方向（垂直切削和水平切削）选择，进给速度，主轴转速，刀尖半径，回转距离，进给长度和光栅距离等参数。

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