Analysis and Compensation Strategy of Non-Linear Error in Five-Axis CNC Machining

Autor: Jin Shang, Hong Jun Liu, Ai Guo Zhang, Jun Liu, Jibin Zhao
Rok vydání: 2014
Předmět:
Zdroj: Applied Mechanics and Materials. :4967-4970
ISSN: 1662-7482
DOI: 10.4028/www.scientific.net/amm.644-650.4967
Popis: This paper presents a new strategy of analysis and compensation of non-linear error. Non-linear error is an important source of machining error in multi-axis numerical controlled machining and it is unavoidable. In view of tool positions optimization in five-axis CNC machining of complex surface, this paper presents a strategy for non-linear error compensation in five-axis machining: Firstly, non-linear error caused by the change of tool axis vector is analyzed and the non-linear error model is established, in order to get the maximum non-linear error of interpolation segment; Then, the tool position that meets the machining accuracy is obtained; Finally, Simulation and analysis of the model show that the proposed method is effective and greatly improves the geometric accuracy.
Databáze: OpenAIRE