平行分度凸轮综合与仿真系统研究开发

发布时间：2019-02-25 13:17

【摘要】：本文通过对常用平行分度凸轮综合,应用齐次坐标变换方法,以VC++6.0和UG为开发工具,对平行分度凸轮综合与仿真系统进行了较为深入细致地研究,实现了平行分度凸轮CAD/CAM一体化,提高了设计效率,缩短了开发周期,具有重要的现实意义,主要研究内容与研究成果如下： 1.对平行分度凸轮机构参数的设计以及从动转盘运动规律的选择进行了较为详尽地探讨研究,归纳了平行分度凸轮各参数之间的关系以及从动转盘运动规律的计算公式与特性值,总结了从动转盘运动规律的选取原则以及适用场合,并给出了设计平行分度凸轮轮廓曲线的制约条件。 2.综合了常用平行分度凸轮,并对平行分度凸轮进行了分类、系列化,对每一系列的平行分度凸轮进行了分析与研究,应用齐次坐标变换方法,推导出了每一系列平行分度凸轮的理论轮廓曲线方程与工作轮廓曲线方程,编制了通用子程序,使用了对话框技术,建立了设计向导,开发了平行分度凸轮仿真系统,该系统操作简便,具有较强的人机交互能力以及较好的集成性、通用性与实用性。 3.研究了平行分度凸轮仿真系统的轮廓设计模块、图形仿真模块、数据提取模块、加工仿真模块以及它们之间的相互关系,可以较好地实现数据共享,其中通过图形仿真模块可以判断平行分度凸轮的正确性以及合理性,避免了不合理平行分度凸轮的生成,提高了设计效率,缩短了开发周期。 4.研究了VC++6.0与UG软件之间的信息交换技术,实现了在不同数据接口文件之间转换,以特定文件要求的格式保存数据,然后转入UG环境,建立了平行分度凸轮三维实体模型,进行了加工仿真,自动生成NC代码,从而验证了设计结果的精确性与可行性。
[Abstract]:In this paper, the synthesis and simulation system of parallel indexing cam is studied deeply and meticulously by using homogeneous coordinate transformation method and VC 6.0and UG as developing tools, through the synthesis of the common parallel indexing cam, and by using the method of homogeneous coordinate transformation, the parallel indexing cam synthesis and simulation system is studied in detail. The CAD/CAM integration of parallel indexing cam is realized, which improves the design efficiency and shortens the development period. The main research contents and research results are as follows: 1. In this paper, the design of the mechanism parameters of parallel indexing cam and the selection of the motion law of the driven disk are discussed in detail. The relationship among the parameters of the parallel indexing cam and the calculation formula and the characteristic value of the motion law of the driven disk are summarized, and the relationship between the parameters of the parallel indexing cam is discussed in detail. This paper summarizes the selection principle and applicable situation of the motion law of the driven turntable and gives the restriction conditions for designing the contour curve of the parallel indexing cam. 2. In this paper, the common parallel indexing cam is synthesized, the parallel indexing cam is classified and serialized, and every series of parallel indexing cam is analyzed and studied, and the method of homogeneous coordinate transformation is used. The theoretical contour curve equation and the working profile curve equation of each series of parallel indexing cam are derived, the general subprogram is compiled, the design guide is established by using dialog box technology, and the simulation system of parallel indexing cam is developed. The system has the advantages of simple operation, strong human-computer interaction, good integration, versatility and practicability. 3. The contour design module, graphic simulation module, data extraction module, machining simulation module and their relations in the parallel indexing cam simulation system are studied, and the data sharing can be realized well. Through the graphic simulation module, the correctness and rationality of parallel indexing cam can be judged, the generation of unreasonable parallel indexing cam can be avoided, the design efficiency can be improved and the development period can be shortened. 4. This paper studies the information exchange technology between VC 6.0and UG software, realizes the conversion between different data interface files, saves the data in the format required by specific files, then transfers to the UG environment, and establishes the three-dimensional solid model of parallel indexing cam. The machining simulation is carried out and the NC code is generated automatically, which verifies the accuracy and feasibility of the design results.
【学位授予单位】：山东理工大学
【学位级别】：硕士
【学位授予年份】：2011
【分类号】：TH112.2

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