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| Principle and control of 5axis numerical control electro-chemical contour evolution grinder |
| GAN Wei-Min1, XU Jia-Wen2 |
1. Mechanical & Electrical Engineering School, Changzhou Institute of Technology, Changzhou 213002, China;
2. Mechanical & Electrical College, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China |
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Abstract To solve the problem of precisely machining of integral impeller blade, research on 5axis Numerical Control Electrochemical Contour Evolution Grindi
ng (NCECCEG) was done. According to the features of method of NCECCEG, on the basis of analysis on principle of NCECCEG, the design of structure and movement of grinding system is conducted. Furthermore, combined multiaxis NC system and its linkage control are presented and the mathematical model of electrochemical contour evolution grinding impeller blade by unparallel line was erected. In addition, an autoprogramming system in 5axis NCECCEG was developed. It had been applied to grinding integral impeller and now 5axis NCECCEG technology is a new method for final finishing of integral impeller blade.
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Published: 28 October 2005
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五轴联动数控展成电解磨床原理与控制
为解决整体叶轮叶片型面的精加工难题，进行了五轴联动数控展成电解磨削整体叶轮的基础研究。根据数控展成电解磨削整体叶轮叶片型面这一加工方法的特点，在分析了数控展成电解磨削整体叶轮原理的基础上，对磨削系统的结构与运动进行了总体设计，提出了经济型多轴数控系统及其联动控制方法，建立了电解磨削非平行直纹展成曲面的数学模型，开发了五轴联动数控展成电解磨削自动数控编程系统，对航空发动机整体叶轮的叶片型面进行了电解磨削。五轴联动数控展成电解磨削技术为整体叶轮叶片型面的精加工提供了一种新的加工手段。
关键词：
数控展成,
电解磨床,
整体叶轮,
控制
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