非球面柔顺研抛的边缘效应机理研究

中国机械工程 ›› 2013, Vol. 24 ›› Issue (12): 1587-1591.

非球面柔顺研抛的边缘效应机理研究

詹建明;章民庆

宁波大学,宁波,315211

出版日期:2013-06-25 发布日期:2013-07-11
基金资助:
国家自然科学基金资助项目（50705044）；浙江省自然科学基金资助项目（Y12E050045）
National Natural Science Foundation of China（No. 50705044））;
Zhejiang Provincial Natural Science Foundation of China（No. Y12E050045）

Study on Edge-forming Mechanism for Aspheric Surface Compliant Polishing

Zhan Jianming;Zhang Minqing

Ningbo University,Ningbo,Zhejiang,315211

Online:2013-06-25 Published:2013-07-11
Supported by:

National Natural Science Foundation of China（No. 50705044））;
Zhejiang Provincial Natural Science Foundation of China（No. Y12E050045）

摘要/Abstract

摘要：

在整个非球面柔顺研抛的过程中,如果运动速度、进给速度和外加压力都不发生变化,非球面边缘区域的研抛进给路径是其他区域的一半,所以理论上边缘区域去除量应该更少,但实验结果正好相反。针对该边缘效益,从研抛过程的基础动力学状态转换过程入手,重新研究了柔顺研抛的工艺过程,发现在边缘区域虽然加工时间以线性方式减少一半,但接触压力以二阶幂指数方式由原值递增至无穷大,决定去除效率的因素中,接触压力比加工时间更占主导,所以边缘区域实际去除量会更多。

关键词: 非球面, 柔顺研抛, 适应性, 边缘效应, 成形机理

Abstract:

When machining speed,feeding speed and imposed pressure did not change in the whole polishing process,the length of feeding trajectory in the edge of a workpiece of aspheric surface was half of the length of in other area,so the removed material should be less in the edge of a workpiece of aspheric surface in theory.But the experimental results were always exactly the opposite and new theory needed to be put forward to fit it.Based on the foundational dynamics and its state transition in the polishing process,this paper re-studied a compliant polishing and shows that, the cutting time is cut to a half in the edge,but the imposed pressure will be increased from its initialized value to an infinite one by the 2 power.Therefore,among all the factors which will influence the material removal in the edge,the imposed
pressure will be in a dominant position over the cutting time thus the material in the edge will be removed more.

Key words: aspheric surface, compliant polishing, adaptability, edge, forming mechanism

中图分类号:

TQ17.68

詹建明, 章民庆. 非球面柔顺研抛的边缘效应机理研究[J]. 中国机械工程, 2013, 24(12): 1587-1591.

DAN Jian-Meng, ZHANG Min-Qiang. Study on Edge-forming Mechanism for Aspheric Surface Compliant Polishing[J]. China Mechanical Engineering, 2013, 24(12): 1587-1591.

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