基于特征的自动武器关重件数控加工工艺建模研究

摘要

For the low versatility and manual programming efficiency of the automatic weapons’ important pieces CNC machining, designed a method of automatic weapons important pieces of CNC machining process modeling based on the characteristics.With automatic weapons firing chamber features’ barrel CNC machining as the research object,UG/NX platform for the study,through the analysis of a barrel’ CAD and processing files,used UG platform machining knowledge editor for secondary development, built custom processing characteristics,associated with the custom processing rules. With UG CNC machining features recognition and extraction capabilities,identified and extracted the features of custom barrel chamber, got the process so as to realize the fast numerical control integration from design to process.The results show that: the methodachieved a simulation of automatic weapons cartridge-chamber CNC machining. It can provide convenience for automatic weapons CNC programmers.%针对自动武器关重件数控加工通用性低，手动编程效率低等问题，设计一种基于特征的自动武器关重件数控加工工艺建模方法。以自动武器某枪管弹膛特征数控加工为研究对象，以 UG/NX 为研究平台，通过分析某枪管的CAD文件及其加工工艺，用UG平台的加工知识编辑器进行二次开发，建立自定义加工特征，并与自定义工艺规则相关联，利用 UG 数控加工的特征识别及提取功能，对自定义某枪管弹膛工艺特征进行识别并提取，并得到加工工艺，从而实现快速数控设计、加工一体化。分析结果表明：该方法实现了自动武器枪管弹膛的数控加工的模拟，最大程度地为自动武器行业数控编程者提供便捷。