Geometric Error Modeling and Analysis for CNC Gear Hobbing Machine

Abstract

Abstract:

The structure of CNC gear hobbing machine was analysed based on the theory of multi-body system, the topological structure for CNC gear hobbing machine was acquired; the movement relationship between adjacent body was researched, the geometric error model of CNC gear hobbing machine was gained according to the movement relation between adjacent body and the topological structure for CNC gear hobbing machine. By decoupling the geometric error model , the compensation quantities of separate axis are obtained, which is laid a theoretical foundation for CNC gear hobbing machine geometric error compensation.

Key words: CNC gear hobbing machine, topological structure, geometric error model, decoupling, compensation quantity

摘要：

基于多体系统理论对数控滚齿机进行了结构分析，得到了数控滚齿机的拓扑结构；分析研究了相邻体的运动关系，根据相邻体的运动关系，结合数控滚齿机的拓扑结构，得出了数控滚齿机的几何误差模型；对所得到的几何误差模型进行解耦，获得了数控滚齿机各轴独立的补偿量。研究结果为数控滚齿机几何误差补偿的实现奠定了基础。

关键词: 数控滚齿机, 拓扑结构, 几何误差模型, 解耦, 补偿量

CLC Number:

TH161.21

Han Jiang, Xia Haisheng, Xia Lian. Geometric Error Modeling and Analysis for CNC Gear Hobbing Machine[J]. China Mechanical Engineering, 2014, 25(21): 2891-2895.

韩江, 夏海生, 夏链. 数控滚齿机几何误差建模与分析[J]. 中国机械工程, 2014, 25(21): 2891-2895.

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