[1]张开飞靳刚何玉静.基于ZOA方法的犁体曲面铣削稳定性预测模型[J].郑州大学学报(工学版),2015,36(03):59-63.[doi:10.3969/ j. issn.1671 -6833.2015.03.013]
　ZHANG Kai-fei,JIN Gang,HE Yu-jing,et al.A Model for Efficiently Predicting Stability of Milling forCurved Surface of Plow Based on ZOA Method[J].Journal of Zhengzhou University (Engineering Science),2015,36(03):59-63.[doi:10.3969/ j. issn.1671 -6833.2015.03.013]
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基于ZOA方法的犁体曲面铣削稳定性预测模型()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
36卷
期数:
2015年03期
页码:
59-63
栏目:
出版日期:
2015-06-30

文章信息/Info

Title:
A Model for Efficiently Predicting Stability of Milling forCurved Surface of Plow Based on ZOA Method
作者:
张开飞1靳刚2何玉静3
1.河南粮食作物协同创新中心,河南郑州450002 ;2.河南农业大学机电工程学院,河南郑州450002;3.天津职业技术师范大学高速切削与精密加工重点实验室,天津300222
Author(s):
ZHANG Kai-fei1; 2; JIN Gang1; HE Yu-jing2; SHl Jing-zhao2; YU Yong-chang2
1.Collaborative Innovation Center of Henan Grain Crops,Zhengzhou 450002,China; 2.College of Mechanical and EletricalEngineering,Henan Agricultural University,Zhengzhou 450002,China; 3.Tianjin Key Laboratory of High Speed Cutting andPrecision Machining,Tianjin University of ’Technology and Education,Tianjin 300222,China
关键词:
颤振; 变螺旋铣刀; 铣削稳定性; 模型; 常规铣刀
Keywords:
chatter ; variable helix cutter;  cutting stability ;  model;  normal cutter
分类号:
TG54
DOI:
10.3969/ j. issn.1671 -6833.2015.03.013
文献标志码:
A
摘要:
在原有的ZOA方法的基础上,通过把每个薄层单元近似模拟成变齿距铣刀,从而将变螺旋导致的时变再生颤振转化为多时滞再生颤振,建立了变螺旋铣刀铣削稳定性解析预测模型.通过与前人的相关研究作比较可知,不论是常规铣刀还是变螺旋铣刀,所提出的计算方法与原有的计算方法所获得的预测结果的吻合度近似为100% .而采用两种方法进行仿真时,采用原有的方法计算过程所用时间超过92s ,而本文方法计算时间小于20 s.结果表明:在所给的条件下,所提出的理论模型比原有的方法更节约计算时间,可为实际加工中合理选择加工参数和颤振预测提供参考.
Abstract:
A way of tool axial dispersion was presented,and then each discrete unit of the variable helix cutterwas approximately simulated to be variable pitch cutter. Thus variable delay differential equations were trans-ferred to multi-delay differential equation. And the stability prediction model of variable helix milling was builtbased on the original ZOA method. Through comparisons with prior works,the prediction results are in good a-greement about 100% whether normal or variable helix cutter. Two methods were used to simulate. The calcu-lation time of the original method is more than 92 s,but for the proposed method is below 20 s.The resultsshow the proposed method can save computational time comparing with the original method. And the resultscould provide reference for the selection of reasonable processing parameters and chatter prediction in actualprocessing.

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