微细电火花线切割表面三维粗糙度的结构性参数

doi:10.13229/j.cnki.jdxbgxb201503024

吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (3): 851-856.doi: 10.13229/j.cnki.jdxbgxb201503024

微细电火花线切割表面三维粗糙度的结构性参数

郭黎滨¹, 张彬¹, 崔海^{1, 2}, 张志航³

1.哈尔滨工程大学机电工程学院,哈尔滨 150001;
2.哈尔滨工程大学工程训练中心,哈尔滨 150001;
3.洛阳理工学院机械工程系,洛阳 471023

收稿日期:2013-08-22 出版日期:2015-05-01 发布日期:2015-05-01
通讯作者: 张彬(1973-),男,高级工程师,博士研究生.研究方向:特种加工技术,微细加工技术.
作者简介:郭黎滨(1956-),男,教授,博士生导师.研究方向:特种加工技术,微细加工技术.
基金资助:
黑龙江省自然科学基金面上项目(E201137)

Structural parameters of 3D roughness for micro wire electrical discharge machining surface

GUO Li-bin¹, ZHANG Bin¹, CUI Hai^{1, 2}, ZHANG Zhi-hang³

1.College of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin 150001, China;
2.Engineering Training Center, Harbin Engineering University, Harbin 150001, China;
3.Department of Mechanical Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, China

Received:2013-08-22 Online:2015-05-01 Published:2015-05-01

摘要/Abstract

摘要： 针对微细电火花线切割加工(MWEDM)表面各向同性的三维微观形貌结构特征,引入圆形度和二阶中心矩的表征算法,更准确地描述MWEDM表面纹理的复杂程度,简化了计算过程;用高斯曲率取代平均曲率表征表面的凹凸特征,使计算不受测量方向的限制,提高了计算准确性和精度;用分水岭算法分割表面几何要素,实现表面凸峰的准确计数,精简了表征参数。经过改进之后的三维粗糙度的结构性参数,对于评定各向同性的MWEDM表面,参数更加简化,表征更加准确。

关键词: 机械制造自动化, 微细电火花线切割, 表面微观形貌, 三维结构特征, 三维粗糙度

Abstract: The 3D microtopography of Micro Wire Electrical Discharge Machining (MWEM) surface is characterized by isotropy. The methods of roundness and second order of principal section are introduced to describe the complexity degree of MWEDM surface texture more precisely and simplify the calculation `process. The Gaussian curvature is adopted instead of zenith curvature to characterize the concave convex character of the surface, which can make the calculation not being limited by the measuring direction and improve the calculation precision. The surface geometry elements are cut apart by watershed method to simplify the characterization parameters and realize accurate counting of the surface peaks. It shows that, for estimating the isotropy MWEDM surface, the improved structural parameters of 3D roughness are more simplified and the characterizations are more precise.

Key words: mechanical manufacturing and automation, micro wire electrical discharge machining, surface micro-topography, 3D structural characters, 3D roughness

中图分类号:

TG661

郭黎滨, 张彬, 崔海, 张志航. 微细电火花线切割表面三维粗糙度的结构性参数[J]. 吉林大学学报(工学版), 2015, 45(3): 851-856.

GUO Li-bin, ZHANG Bin, CUI Hai, ZHANG Zhi-hang. Structural parameters of 3D roughness for micro wire electrical discharge machining surface[J]. 吉林大学学报(工学版), 2015, 45(3): 851-856.

参考文献

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微细电火花线切割表面三维粗糙度的结构性参数

Structural parameters of 3D roughness for micro wire electrical discharge machining surface

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