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首页> 外文会议>International symposium on advanced optical manufacturing and testing technologies;AOMATT 2010 >Tool decentration effect in slow tool servo diamond turning off-axis conic aspheric surface
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Tool decentration effect in slow tool servo diamond turning off-axis conic aspheric surface

机译：慢刀具伺服金刚石车削偏心圆锥非球面时的刀具偏心效果

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摘要

Off-axis conic aspheric mirrors are crucial components in some optical systems, such as three-mirror-anastigmatic telescopes (TMA). However, because of the swing limitation of lathe, off-axis aspheric mirrors are not easy to fabricate using a general-purpose diamond turning machine. This research demonstrates slow tool servo diamond turning process which allows fabricating off-axis conic aspheric mirrors on-axis. The figure error caused by tool centering error was studied on. An off-axis parabolic mirror was fabricated and actual machining data are discussed. The result proved that proposed approach is capable of fabricating copper off-axis parabolic mirror of 46mm diameter to a form accuracy of 0.736μm in PV error value.
机译：离轴圆锥面非球面镜是某些光学系统（例如三镜散光望远镜（TMA））中的关键组件。但是，由于车床的摆动限制，使用通用的金刚石车床不容易制造离轴非球面镜。这项研究演示了慢速刀具伺服金刚石车削工艺，该工艺可以在轴上制造离轴圆锥非球面镜。研究了由刀具定心误差引起的图形误差。制作了离轴抛物面反射镜，并讨论了实际的加工数据。结果证明，该方法能够制造直径为46mm的离轴铜抛物面镜，其PV误差值的形状精度为0.736μm。

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