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毕业设计-二轴联动数控裱花机自动编程系统设计完整版.doc
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毕业设计-二轴联动数控裱花机自动编程系统设计完整版.doc
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毕业设计--二轴联动数控裱花
机自动编程系统设计【完整版】
(文档可以直接使用,也可根据实际需要修订后使用,可编辑放心下载)
![](https://csdnimg.cn/release/download_crawler_static/87235904/bg2.jpg)
目 录
摘 要................................................................................................................................III
关键词................................................................................................................................III
Abstract.............................................................................................................................IV
Key words .........................................................................................................................IV
1 绪论................................................................................................................................1
1.1 选题的背景..........................................................................................................1
1.2 数控技术研究与开展状况..................................................................................1
1.2.1 国外的研究动态及开展趋势....................................................................1
1.2.2 国内的研究动态及开展趋势....................................................................3
1.3 课题研究的意义..................................................................................................3
1.4 课题的技术路线及主要研究内容......................................................................4
1.4.1 技术路线....................................................................................................4
1.4.2 主要研究内容............................................................................................4
2 后置处理技术................................................................................................................4
2.1 后置处理系统原理..............................................................................................4
2.2 后置处理过程分析..............................................................................................5
2.3 后置处理的数学理论..........................................................................................6
坐标平移............................................................................................................6
2.3.2 比例变换....................................................................................................6
2.3.3 坐标旋转....................................................................................................7
3 后置处理器实现平台及数控系统分析........................................................................9
3.1 Pro/E 软件概述....................................................................................................9
Pro/NC 功能分析...............................................................................................9
3.1.2 Pro/NC 刀位点文件分析.........................................................................11
3.1.3 Pro/NC 后置处理功能分析.....................................................................12
3.2 数控系统代码特点分析....................................................................................15
3.2.1 数控系统文件头尾格式..........................................................................15
3.2.2 准备功能 G 代码 .....................................................................................16
3.2.3 辅助功能 M 代码 ....................................................................................16
3.2.4 固定循环特性..........................................................................................16
4 基于 Pro/E NC 的蛋糕裱花后置处理 .......................................................................17
4.1 概述 ....................................................................................................................17
4.2 数控加工操作与演示........................................................................................18
4.2.1 蛋糕整体制作..........................................................................................18
4.2.2 蛋糕局部裱花..........................................................................................22
4.2.3 蛋糕刻字操作..........................................................................................24
4.3 后置处理器的创立............................................................................................25
4.4 数控程序文件输出............................................................................................28
![](https://csdnimg.cn/release/download_crawler_static/87235904/bg3.jpg)
5 总结与讨论..................................................................................................................29
5.1 总结....................................................................................................................30
5.2 讨论....................................................................................................................30
参考文献............................................................................................................................31
致谢....................................................................................................................................33
附录....................................................................................................................................34
![](https://csdnimg.cn/release/download_crawler_static/87235904/bg4.jpg)
二轴联动数控裱花机自动编程系统设计
摘 要: Pro/E 自带的后置处理功能,能够独立完成和实现数控程序的自动编程。所
谓的后置处理,是将加工刀具路径文件〔CL 文件〕转换成数控机床能够操作和执行
的数控程序的过程,其结果直接影响到加工产品的质量及生产效率。然而,目前国
内许多 CAD/CAM 软件还停留在 CAD 的层面上,对 CAM 模块的技术掌握及应用效
率并不是很高,其中非常关键的原因就是后置处理问题或者是 CAM 模块的刀位点
数据文件即 CL 文件〔Cutter Location Source File)不完全透明,使得后置处理程序开
发技术难度大、配置复杂且价格昂贵。
本文主要介绍了后置处理技术的数学根本理论,分析了后置处理开发过程及途
径、Pro/E各功能特性及其后置处理开发平台功能,比拟了当今两大主流系统德国
SIEMENS和日本FANUC两大数控系统编程指令的异同,并对NC数控程序与刀位点
文件中各对应参数之间的关系进行了分析,接着开发符合要求的后置处理器,用以
生成能够被数控机床识别的加工程序。
最后,建立数控加工模块模型,利用Pro/E自带的数控加工仿真系统Vericut进行
模拟仿真,输出数控程序。同时,这也为不同结构和型号的加工中心的后置处理提
供了理论支持和经验借鉴。
关键词:数控机床;后置处理;Pro/E;刀位文件;NC 程序
![](https://csdnimg.cn/release/download_crawler_static/87235904/bg5.jpg)
The Design on Automatic Programming System of
Two-axis CNC Decorating and Dressing Machine
Abstract: Pro/E has its own post processing capabilities, which can finish automatic
programming of NC program. The so-called post processing is a procession that cutter
location file is transformed into the NC(Number Control) programme carried out on the
NC machine, it directly affects machining quality and manufacture efficiency.Nowday,
lots of CAD/CAM are stagnated the CAD, the apply efficiency of the CAM is
low.However, the key to the question is problem of Post processing or the opacity of a
few CAMcutter location source files, which cause the developing Post processing
programme is difficulty on technology,disposition is complex and the price is high.
This paper explicitly introduces the math theory and developing process of post
processing technology, and analyzes the function characters of Pro/E, also including the
developing platform of post processing in Pro/E, compares the differences of the CNC
programming instructions in the two main systems of Germany SIEMENS and Japan
FANUC, also analyzes the relationship between the NC program and the cutter location
file in the corresponding parameters, and then develops to meet the requirements of the
Post processors, which can be used to generate CNC machining programs identified.
Finally,establishing a numerical control processing module model, using the Pro/E
NC simulation system comes with Vericut for simulation, outputting the NC program. In
the same time, it also provides the theoretical support and experience for different
structures and models of Post processing machining center.
Key words: CNC machine tool; Post processing; Pro/E; Cutter location file; NC program
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