| 基于宏程序的抛物线形零件的数控加工 |
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| 引用本文： | 孙祥国,王春,张良栋.基于宏程序的抛物线形零件的数控加工[J].煤矿机械,2012,33(6):128-130. |
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| 作者姓名： | 孙祥国 王春 张良栋 |
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| 作者单位： | 过程装备与控制工程四川省高校重点实验室,四川自贡643000;四川理工学院机械工程学院,四川自贡643000 |
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| 摘 要： | 采用等间距法直线拟合抛物线形轮廓,推算在允许的加工误差范围内的进给步长,计算节点表达式,并在此基础上编写基于宏程序的零件数控加工程序,解决了在只有直线或圆弧插补的数控系统中手工编写非圆曲线比较困难的问题。
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| 关 键 词： | 抛物线 拟合 节点 宏程序 |
NC Machining of Parabolic Parts Based on Macro Program |
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| SUN Xiang-guo
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WANG Chun
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ZHANG Liang-dong.NC Machining of Parabolic Parts Based on Macro Program[J].Coal Mine Machinery,2012,33(6):128-130. |
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| Authors: | SUN Xiang-guo WANG Chun ZHANG Liang-dong |
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| Affiliation: | 1,2(1.Sichuan Provincial Key Lab of Process Equipment and Control,Zigong 643000,China;2.School of Mechanical Engineering,Sichuan University of Science and Technology,Zigong 643000,China) |
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| Abstract: | This article adopts equally spaced method to fit parabolic profile by straight lines,calculate segment of the feed step in the range of allowable processing error and compute node expression.The NC part program based on macro program solves the difficult problem of non-circular curve programmed manually in CNC with only lines and circular interpolations. |
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| Keywords: | parabola fitting node macro program |
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