An Investigation into Precision Micro-hole Enlargement by Using Electrochemical Grinding

China Mechanical Engineering ›› 2010, Vol. 21 ›› Issue (8): 973-977.

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An Investigation into Precision Micro-hole Enlargement by Using Electrochemical Grinding

Zhang Xinyao;Zhu Di;Zeng Yongbin;Liu Yong

Nanjing University of Aeronautics and Astronautics,Nanjing,210016

Online:2010-04-25 Published:2010-05-05
Supported by:

National High-tech R&D Program of China (863 Program) （No. 2009AA04Z302）;

Key Program of National Natural Science Foundation of China（No. 50635040）;
Jiangsu Provincial Natural Science Foundation of China（No BK2008043）

精密微小孔的电解—磨削复合扩孔加工技术研究

张欣耀;朱荻;曾永彬;刘勇

南京航空航天大学,南京,210016

基金资助:
国家863高技术研究发展计划资助项目(2009AA04Z302)；国家自然科学基金资助重点项目(50635040)；江苏省自然科学基金资助项目(BK2008043)
National High-tech R&D Program of China (863 Program) （No. 2009AA04Z302）;

Key Program of National Natural Science Foundation of China（No. 50635040）;
Jiangsu Provincial Natural Science Foundation of China（No BK2008043）

Abstract

Abstract:

Electrochemical grinding was used to machine a precision micro-hole enlargement.And its mechanism was clarified.Then various parameters affecting the accuracy and surface quality in processing,such as voltage,feed rate,rotary speed,were discussed in detail.By optimizing these processing parameters,a high quality micro-hole can be machined successfully on the stainless steel by using a micro electrically conductive diamond grinding tool. 

Key words: electrochemical grinding, micro-hole, taper, roughness

摘要：

采用电解—磨削复合扩孔加工技术加工精密微小孔,探讨了其加工机理,分析了多种因素对微小孔加工精度和表面质量的影响,如加工电压、进给速度、电极转速。通过对加工参数的优化,采用微小金刚石导电磨针在厚度为0.3mm的不锈钢片上加工出高精度、低表面粗糙度的微小孔。

关键词:

电解磨削, 微小孔, 锥度, 表面粗糙度

CLC Number:

TG662

ZHANG Xin-Yao, SHU Di, CENG Yong-Ban, LIU Yong.

An Investigation into Precision Micro-hole Enlargement by Using Electrochemical Grinding

[J]. China Mechanical Engineering, 2010, 21(8): 973-977.

张欣耀, 朱荻, 曾永彬, 刘勇.

精密微小孔的电解—磨削复合扩孔加工技术研究

[J]. 中国机械工程, 2010, 21(8): 973-977.

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An Investigation into Precision Micro-hole Enlargement by Using Electrochemical Grinding

精密微小孔的电解—磨削复合扩孔加工技术研究

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