沃尔特里德反射镜大型冲压模具的电解研磨特性。
ELID grinding characteristics of large stamping die for Wolter mirror.
机构信息
National Engineering Research Center for High Efficiency Grinding, Hunan University, Changsha, Hunan 410082, PR China.
出版信息
J Xray Sci Technol. 2009;17(3):265-77. doi: 10.3233/XST-2009-0227.
An ultra-precision ELID grinding of large stamping dies of Wolter mirror for X-ray telescope was presented in this paper. The large stamping dies (S55C) with confocal paraboloid and hyperboloid was ground by ELID arc-enveloped grinding. In this ELID grinding system, cast iron fiber bonded (CIFB) diamond wheels were controlled by 3-dimentional ways to scan the work-piece and generate required surfaces. Its grinding characteristics such as attainable form accuracy, surface roughness were investigated. Furthermore, some measures to improve form accuracy were discussed and verified such as truing, compensating, and on-machine measuring.
本文介绍了一种用于 X 射线望远镜沃尔特里镜的大型冲压模具的超精密 ELID 磨削。采用 ELID 圆弧包络磨削加工具有共焦抛物面和双曲面的大型冲压模具（S55C）。在这个 ELID 磨削系统中，使用三维方式控制铸铁纤维结合（CIFB）金刚石砂轮来扫描工件并生成所需的表面。研究了其磨削特性，如可达到的形状精度、表面粗糙度等。此外，还讨论并验证了一些提高形状精度的措施，如修形、补偿和在线测量。
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