菜单
  

    摘要:在工业4.0进入中德合作的新时代,机械概念设计的提出提供了理论基础,在MCD的平台下可以更好的完成机械的设计,降低了社会生产成本,提升了工作效率。而本文基于MCD平台进行数控车床换料机构的设计并进行运动控制仿真。43509

    本次设计主要针对数控车床换料机构的换料过程,设计中主要针对机械机构及其传动机构进行了设计及计算;分析并解剖了换料的详细过程,合理设计了机械机构,并考虑了实际的可行性和合理性。通过NX建立了数控机床,换料机构以及料台结构的三维模型,并通过NX中的机电概念设计模块对建立的三维模型进行了机电属性的定义,对不同的运动形式定义了铰链副,滑动副以及固定副等,最后通过仿真序列完成了此次换料机构运动仿真;再通过西门子PLC软件对NX导出的代码进行了编译修改,最后在通过OPC实现连接;从而实现了对NX三维模型运动仿真的控制,实现了虚拟与现实的结合。

    通过本次设计综合运用了过去所学的理论知识,完成了机械机构的设计;提高了我们NX三维及二维建模的能力,并了解应用NX中的机械概念设计模块,通过仿真序列完成了数控机床换料机构的运动仿真;最后通过西门子PLC软件实现了对NX三维模型运动仿真的控制;最终通过MCD平台完成了对设计模型合理性的校正,实现了虚拟与现实的结合。

    毕业论文关键词:换料机构;概念设计;PLC;MCD

    CNC lathe automatic mechanism design and motion simulation base on MCD

    Abstract: In the new era of Industry 4.0, Cooperation between China and Germany.Mechanical conceptual design provides a theoretical basis for Industry 4.0. In the MCD platform can be better to complete the design of machinery. Reduce the social cost of production and improve work efficiency. This paper based on the MCD platform for the design of CNC lathe and refueling mechanism motion control simulation.

         This graduation design is an analysis on the transmission mechanism of CNC lathe. Design of driving Mechanism and mechanical mechanism is main,A detailed analysis of the process of refueling, Reasonable design of mechanical mechanism. And taking into account the practical feasibility and rationality.Refueling mechanism and model material platform structure . And the mechanical and electrical properties of the three dimensional model are defined by the mechanical and electrical concept design module in NX. The different forms of motion are defined by the hinge pair, the sliding pair and the fixed pair. Finally, through the simulation sequence completed the refueling movement mechanism simulation, And then through the SIEMENS PLC software to export the NX code is compiled and modified, Finally in the connection through the OPC. Thus, the control of motion simulation of NX 3D model is realized

    Through the design of the comprehensive use of the theoretical knowledge of the past. To completed the design of the mechanical mechanism. And improve the ability of our NX 3D and 2D modeling. And understanding of the application of mechanical concepts in the design of the module NX. Through the simulation sequence completed the motion simulation of CNC machine tool refueling mechanism. Finally through the SIEMENS PLC software to achieve a three-dimensional model of the NX motion simulation control. Finally through the MCD platform to complete the design model of the reasonableness of the correction, to achieve a combination of virtual and reality.

    KeyWords:Refueling mechanism; Conceptual Design; PLC; MCD

    目 录

    1 绪论 1

    1.1 课题的背景 1

    1.2 机电一体化产品概念设计系统 1

    1.2.1 传统机电产品概念设计系统

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