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复杂非球面镜高效超精密车削加工法(英文)
  • 期刊名称：纳米技术与精密工程
  • 时间：0
  • 页码：346-351
  • 分类：TG51[金属学及工艺—金属切削加工及机床]
  • 作者机构：[1]天津大学精密测试技术及仪器国家重点实验室
  • 相关基金：国家高技术研究发展计划(863计划)资助项目(2009AA044305;2009AA044204);; 国家自然科学基金重大研究计划资助项目(90923024;90923038)
  • 相关项目：纳米级复杂曲面多功能柔性原位测量关键基础技术的研究
作者： 张效栋|房丰洲|程颖|魏桂爽|
关键词： 非球面, 超精密加工, 车削, 非球面阵列, aspheric, ultra-precision machining, turning, aspheric array
中文摘要：

本文中对复杂面形的非球面镜进行了分类,并从加工方法和加工路径优化设计等方面研究了复杂非球面镜的超精密车削方法.对回转对称的复杂非球面镜进行了加工实验,并借助超精密测量技术对各段曲面进行面形测量,依据测量结果实现面形补偿加工.最终粗糙度Ra达5.14 nm,形状精度P-V值达200 nm.采用提出的方法对非回转对称的非球面阵列进行加工路径设计,根据具体面形进行加工参数选择和实际加工,得到粗糙度Ra为7.81nm的表面.实验结果证明了提出的加工方法高效实用,可以满足大部分复杂非球面的应用需求.

英文摘要：

This paper introduced the categories of complex aspheric mirrors to study the fabrication of this complex surface using ultra-precision diamond turning.The machining method and cutting path optimal design were proposed in detail.In experiments,one rotationally symmetric complex aspheric mirror was machined.After cutting,each segment of aspheric was measured using the ultra-precision measuring method,with the results used to compensate the cutting to achieve the ultimate surface roughness Ra of 5.14 nm and a...

同期刊论文项目
纳米切削基础理论及相关关键技术研究
期刊论文 42 会议论文 5
纳米级复杂曲面多功能柔性原位测量关键基础技术的研究
期刊论文 12 会议论文 3
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