慢刀伺服加工环曲面的刀具路径规划方法
TH164%TP391; 如何规划刀具路径、进而获得高质量的数控加工代码,是应用慢刀伺服技术加工环曲面的关键技术之一.提出了基于等距面规划刀位点轨迹的刀具路径规划方法,推导了外凸环曲面的面形方程及其等距面方程,对比分析了两种导动曲线及两种数据点离散方法,优选了刀具路径规划方案,应用VB.net语言编写了慢刀伺服加工环曲面用数控代码生成软件,在Vericut平台上对数控代码进行了仿真验证,直观地展示了虚拟加工面相对理论曲面的残留区域,仿真结果验证了方法的可行性.结果表明:将外凸环曲面方程中的非一次常数项a变为a+rd,即得到外凸环曲面的等距面方程;所提刀具路径规划方法适用于慢刀伺服加工外凸环曲面...
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| Published in | 国防科技大学学报 Vol. 42; no. 3; pp. 121 - 127 |
|---|---|
| Main Authors | , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
西北农林科技大学 机械与电子工程学院,陕西 杨凌,712100
28.06.2020
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-2486 |
| DOI | 10.11887/j.cn.202003016 |
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| Abstract | TH164%TP391; 如何规划刀具路径、进而获得高质量的数控加工代码,是应用慢刀伺服技术加工环曲面的关键技术之一.提出了基于等距面规划刀位点轨迹的刀具路径规划方法,推导了外凸环曲面的面形方程及其等距面方程,对比分析了两种导动曲线及两种数据点离散方法,优选了刀具路径规划方案,应用VB.net语言编写了慢刀伺服加工环曲面用数控代码生成软件,在Vericut平台上对数控代码进行了仿真验证,直观地展示了虚拟加工面相对理论曲面的残留区域,仿真结果验证了方法的可行性.结果表明:将外凸环曲面方程中的非一次常数项a变为a+rd,即得到外凸环曲面的等距面方程;所提刀具路径规划方法适用于慢刀伺服加工外凸环曲面;该方法对应用慢刀伺服技术加工其他面型的光学镜面具有借鉴价值. |
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| AbstractList | TH164%TP391; 如何规划刀具路径、进而获得高质量的数控加工代码,是应用慢刀伺服技术加工环曲面的关键技术之一.提出了基于等距面规划刀位点轨迹的刀具路径规划方法,推导了外凸环曲面的面形方程及其等距面方程,对比分析了两种导动曲线及两种数据点离散方法,优选了刀具路径规划方案,应用VB.net语言编写了慢刀伺服加工环曲面用数控代码生成软件,在Vericut平台上对数控代码进行了仿真验证,直观地展示了虚拟加工面相对理论曲面的残留区域,仿真结果验证了方法的可行性.结果表明:将外凸环曲面方程中的非一次常数项a变为a+rd,即得到外凸环曲面的等距面方程;所提刀具路径规划方法适用于慢刀伺服加工外凸环曲面;该方法对应用慢刀伺服技术加工其他面型的光学镜面具有借鉴价值. |
| Author | 邱昕洋 张彦钦 王宏斌 |
| AuthorAffiliation | 西北农林科技大学 机械与电子工程学院,陕西 杨凌,712100 |
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| Author_FL | WANG Hongbin ZHANG Yanqin QIU Xinyang |
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| Keywords | 环曲面 慢刀伺服 加工仿真 刀具路径规划 等距面 |
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| Title | 慢刀伺服加工环曲面的刀具路径规划方法 |
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