基于NX Post Builder双转台5轴加工中心的3+2定轴后处理流程的研究  

Research on 3+2 Fixed Axis Post-Processing Process of 5 Axis Machining Center with Double Turntable Based on NX Post Builder

作　　者：郑浩[1] 周淑容[1] Zheng Hao;Zhou Shurong(College of intelligent manufacturing,Sichuan Vocational and Technical College,Suining,Sichuan 629000,CHN)

机构地区：[1]四川职业技术学院智能制造学院,四川遂宁629000

出　　处：《模具制造》2023年第9期69-72,共4页Die & Mould Manufacture

基　　金：四川职业技术学院科学技术项目的研究成果,项目编号11。

摘　　要：按照机床运动特性,可将5轴加工分为5轴联动加工和3+2定轴加工。5轴联动加工多用于复杂曲面的半精加工和精加工,3+2定轴加工多用于有多个空间成型面的定位加工。以适配Heidenhain TNC640数控系统的DMG DMU65加工中心为例,对NX后处理中与3+2定轴加工有关的Tcl命令进行分析,阐述了tcl代码的工作流程,推导了坐标系向量旋转矩阵公式,最后通过Vericut仿真验证后处理的正确性。According to the motion characteristics of machine tool,5-axis machining can be divided into 5-axis linkage machining and 3+2 fixed axis machining.5-axis linkage machining is mainly used for semi-finishing and finishing of complex surface,and 3+2 fixed axis machining is mainly used for positioning machining with multiple space forming surfaces.Taking DMG DMU65 machining center for Heidenhain TNC640 NC system as an example,Tcl commands related to 3+2 fixed axis machining in NX post processing are analyzed,and the workflow of the code is described in detail.The formula of coordinate system vector rotation matrix is derived.Finally,Vericut simulation verifies the correctness of post-processing.

关 键 词：5轴加工中心后处理 3+2定轴 坐标系旋转 矩阵 

分 类 号：TG659[金属学及工艺—金属切削加工及机床]