• CN:11-2187/TH
  • ISSN:0577-6686

›› 2007, Vol. 43 ›› Issue (9): 75-79.

• 论文 • 上一篇    下一篇

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加工精度自生成及其在超精球体研磨中的实现

张伯鹏   

  1. 清华大学精密仪器与机械学系
  • 发布日期:2007-09-15

INVESTIGATION ON SELF GENERATION OF MACHINING PRECISION AND ITS REALIZATION IN GRINDING OF SOLID BALLS WITH SUPER PRECISION

ZHANG Bopeng   

  1. Department of Precision Instruments and Mechanology, Tsinghua University
  • Published:2007-09-15

摘要: 给出加工精度自生成的原理,着重阐述超精球体研磨精度的自生成问题。从自组织角度看,具有自动调节能力的系统为第1类系统S1,具有目标自确定能力的系统为第2类系统S2,具有自组织能力的系统为第3类系统S3。三种系统都是闭环控制系统,但是彼此之间又有不同功能和结构。给出实现加工精度自生成的条件和加工精度自生成系统S3。讨论加工精度自生成系统的建造,给出典型加工精度自生成系统的框图,着重阐述基于误差自去除自能力的超精球体加工精度自生成问题,包括球体误差自去除能力、球体误差自去除的收敛性、精度自生成和目标精度自生成系统等。

关键词: 超精球体, 加工精度自生成, 误差自去除, 信息差, 自组织

Abstract: Principle of self-generation of machining precision is presented. Self-generation of grinding precision for solid balls with super precision is explained emphatically. From the angle of self-organization there are system 1(S1) with the ability of self-regulation, system 2(S2) with the ability for self- determi-nation of goal and system 3 (S3) with the ability of self-organization. All 3 kinds of systems are closed loop control system, but there are differences in function and construction among them. Both conditions for realizing self-generation of machining precision and system S3 for self-generating of ma-chining precision are given. Building of the system for self-generation of machining precision is discussed. Block dia-gram of a typical self-generating system for machining preci-sion is given. Self-generation of machining precision for solid balls with super precision based on the ability of self-removal of errors is explained emphatically. Self-generation includes the ability of self-removal of errors for solid balls, convergence of self-removal of solid ball errors, self-generation of precision and self-generating system for the given precision.

Key words: Difference of information, Self removal of errors, Self-generation of machining precision, Self-organization, Solid balls with supper precision

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