基于逆向工程的弧背齿型圆锯修磨仿真研究
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摘要
圆锯片被广泛应用于木材加工,建筑,石材加工,金属切削等各行业,而我国工业合金圆锯片长期依靠进口,圆锯片生产与修磨这方面受制于人,因此圆锯片修磨技术的研究也就成为必要。本文致力于对圆锯片锯齿的精确修磨技术的研究,以逆向工程为基础,并以VC++为平台开发了Pro/ENGINEER的磨削仿真模块,该仿真模块主要针对于圆锯片锯齿的修磨。
     本文利用逆向工程技术建立了修磨仿真的制造模型。使用三坐标测量机对标准圆锯片进行数字化测量;应用Pro/ENGINEER软件的逆向工程模块中的小平面工具对测量数据进行曲面拟合;再应用Pro/ENGINEER软件逆向工程模块中的模型重造工具建立测量件的三维数字化模型;应用Pro/ENGINEER软件的等比例缩放命令完成制造模型中的参考模型建模。
     本文还对磨削仿真开发中的相关关键技术进行了研究。对开发工具进行选择,对开发环境进行设置;研究了刀位轨迹生成算法和走刀模式;研究了刀位数据和切触点数据的计算算法;对干涉进行分析,并研究了干涉检验中的刀具运动的实现方法;编写了磨削仿真的程序流程图。
     本文开发了Pro/ENGINEER的磨削仿真模块,并对磨削仿真程序进行了实际操作,生成刀位文件和刀位轨迹;对刀位数据进行干涉检验,检验结果显示没有发生干涉,从而验证了所选择的磨削加工方法是可行的。
Circular saw are widely used in Timber processing, Construction, Stone processing, Metal cutting and so on. However, China's industrial alloys circular saw have been the long-term reliance on imports, the technology of processing and grinding for circular saw has been mastered by the foreigner. So, The Researching in circular saw grinding technology has become necessary. This article has been committed itself to the researching in circular saw grinding technology. To reverse engineering based on, and VC++ as a platform, this article has developed the grinding simulation module for Pro/ENGINEER, and this module is used in grinding circular saw.
     This article uses reverse engineering to establish a manufacturing model of grinding simulation. We use the Coordinate measuring machine using for digital measurement one standard circular saw. We apply the small flat surface tool in the reverse engineering modules of Pro/ENGINEER software for surface fitting. We apply the model reconstruction tool in the reverse engineering modules of Pro/ENGINEER software for the establishment of three-dimensional model. We establish the reference model with the button of zoom pro- rata.
     This article has research the key technology-related in the development of grinding simulation. We have chosen the development tools, and have set the development environment. We have researched on the tool path generation algorithms and cutting mode. We have researched the algorithms of cutter location data and cutter contacting data. We have analyzed the interference, and have study the method of the cutter movement to the interference test. We have made flow chart for the grinding simulation program.
     This article has developed the grinding simulation module for Pro/ENGINEER, and has run the grinding simulation program. The program has generated the cutter location documentation and the tool path. We have processed the interference tests for cutter location data. Test results showed that there was no interference, so, it validated the method of grinding is feasible.
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