Computer-controlled compensation for wearing of polishing head

WU Hong-zhong; FENG Zhi-jing; ZHAO Guang-mu; ZHANG Yun

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Computer-controlled compensation for wearing of polishing head

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- Computer-controlled compensation for wearing of polishing head
- Optics and Precision Engineering Vol. 9, Issue 1, Pages: 71-73(2001)
- 作者机构：
  
  清华大学精密仪器与机械学系, 北京, 100084
- 作者简介：
- 基金信息：
- DOI：
  CLC： TQ171.684
- Received：01 June 2000，
  
  Revised：27 October 2000，
  
  Published Online：15 February 2001，
  
  Published：15 February 2001
- 稿件说明：
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吴鸿钟, 冯之敬, 赵广木, 张云. 光学抛光中模具磨损的计算机控制补偿[J]. 光学精密工程, 2001,(1): 71-73

WU Hong-zhong, FENG Zhi-jing, ZHAO Guang-mu, ZHANG Yun. Computer-controlled compensation for wearing of polishing head[J]. Editorial Office of Optics and Precision Engineering, 2001,(1): 71-73
吴鸿钟, 冯之敬, 赵广木, 张云. 光学抛光中模具磨损的计算机控制补偿[J]. 光学精密工程, 2001,(1): 71-73 DOI：

WU Hong-zhong, FENG Zhi-jing, ZHAO Guang-mu, ZHANG Yun. Computer-controlled compensation for wearing of polishing head[J]. Editorial Office of Optics and Precision Engineering, 2001,(1): 71-73 DOI：

摘要

模具的磨损消耗对计算机控制光学表面的抛光工艺影响甚大

但在实际加工中不利于将工艺中断来重新调整加工的零点以对模具的磨损进行补偿。因此本文提出了一个指数形式的模具磨损函数

并依此对Preston方程进行了修正

达到了实时补偿模具磨损的目的。通过实验确定了该函数磨损时间常数值并将该方法用于计算机控制的抛光和误差修正。实验证明

采用该方法进一步提高了计算机控制光学表面成形工艺的模型精度。

Abstract

The wearing of the die is an important factor to the computer-controlled optical surfacing(CCOS). But in actual work

process can not be interrupted to adjust the zero and the wearing of the polishing head can not be compensated on real-time. So an exponential function is put forward to compensate the wearing of the head. The Preston function is modified according to this theory. The constant of the function is also determined by our experiment. This method is introduced into the polish process and the materials' error correction. With this method

the ratio of precision of the CCOS is improved.

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references

作花洛夫,境野照雄,高桥克明.蒋国栋译.玻璃手册(第一版)[M]. 北京:中国建筑工业出版社,1985.

冯之敬,吴鸿钟,赵广木,等. 自由曲面透镜型面误差的压力抛光修正[J].清华大学学报( 自然科学版),2000,40(8):69-72.

辛企明. 近代光学制造技术[M]. 北京:国防工业出版社,1 997.3-26.

吴鸿钟,冯之敬. 自由曲面光学镜误差修正加工控制的算法[J]. 光学技术,2000,2 6(6):502－505.

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Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China

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