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浙江大学学报(工学版)
能源与机械工程     
基于响应面模型的广义空间切削稳定性研究
黄华1,2, 张树有1, 刘晓健1, 何再兴1
1.浙江大学 流体传动及控制国家重点实验室,浙江 杭州 310027;2.兰州理工大学 机电工程学院,甘肃 兰州 730050
Research on cutting stability of generalized manufacturing space based on response surface mode
HUANG Hua1,2, ZHANG Shu-you1, LIU Xiao-jian1, HE Zai-xing1
1.State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China; 2. School of Mechanical and Electrical Engineering, Lanzhou University of Science and Technology, Lanzhou 730050, China
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摘要:

提出以机床立柱和主轴箱不同位置的组合为对象,采用试验设计结合响应面模型的方法研究机床在整个加工空间内的切削稳定性分布规律的方法.选择立柱和主轴箱在移动轨迹上的关键位置的组合作为计算样本点,在ANSYS 仿真软件中对样本点的机床动力学特性进行分析.计算每个样本点的最小临界切削深度,建立反映位置特征与最小临界切削深度数值的二次多项式响应面模型,模拟在整个空间内的稳定性切削极限深度近似值,对该响应面模型的质量进行评价.以一台卧式高速加工中心为例,说明了机床立柱位置的变化对切削稳定性有较大影响,为结构和工艺的优化设计提供了理论依据.

Abstract:

A method of combining the response surface mode (RSM) and experimental design was presented based on the combination of different positions in the moving trajectory of the machine tool spindle box and the column in order to analyze the cutting stability in the whole processing spatial distribution. A combination at key position was selected as samples, and the dynamics property of the samples was calculated via ANSYS. The limit critical cutting depth of each sample was calculated, and the quadratic polynomial RSM reflecting the relation between position and stability of limit critical cutting depth was established. The limit critical cutting depth in the entire space approximation was calculated, and the quality of RSM was further evaluated. The great influence of position changes of moving parts on the stability of cutting was shown with a high speed horizontal machining center (MC) as an example, providing some theoretical support for optimization of machining process and structure design.

出版日期: 2015-09-10
:  TG 502  
基金资助:

国家自然科学基金资助项目(51275458);浙江省博士后科研资助项目(BSH1401013);国家科技重大专项课资助项目(2015ZX04014021)

通讯作者: 张树有,男,教授,博导     E-mail: zsy@zju.edu.cn
作者简介: 黄华(1978-),男,博士后,副教授,从事产品数字化设计、复杂装备设计与仿真分析的研究. E-mail: huanghua@zju.edu.cn
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引用本文:

黄华, 张树有, 刘晓健, 何再兴. 基于响应面模型的广义空间切削稳定性研究[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2015.07.003.

HUANG Hua, ZHANG Shu-you, LIU Xiao-jian, HE Zai-xing. Research on cutting stability of generalized manufacturing space based on response surface mode. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2015.07.003.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2015.07.003        http://www.zjujournals.com/eng/CN/Y2015/V49/I7/1215

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