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根据最新研制的 3 TPT并联虚轴机床的机构组成 ,对其进行了运动分析 ,建立了虚轴机床的运动模型 ,并得到了并联机构的运动学逆解表达式 ,同时还得到了该并联机构的运动学正解表达式·利用MDT提供的ActiveX操作机制 ,应用面向对象方法和ActiveX技术 ,进行了 3 TPT并联虚轴机床的运动仿真 ,提出了运动仿真的具体实施方法和过程·在VisualBasic开发环境下 ,完成了仿真程序编制工作·通过实际仿真证明 :该并联机构具有运动学正反计算简单、易于实现实时控制及工作空间大等优点
According to the newly developed mechanism of 3 TPT parallel virtual axis machine tool, the motion analysis is carried out, the kinematic model of the virtual axis machine tool is established, and the kinematic inverse expression of the parallel mechanism is obtained. At the same time, the parallel mechanism Kinematic positive solution expression · Using the ActiveX operating mechanism provided by MDT, the application of object-oriented methods and ActiveX technology, carried out 3 TPT parallel virtual axis machine tool motion simulation, the proposed movement simulation of the specific implementation methods and processes in VisualBasic Development Environment , Completed the preparation of the simulation program · The actual simulation proves that the parallel mechanism has the advantages of simple kinematics calculation, easy real-time control and large working space