闭式整体构件涡道电解加工流场设计与分析

doi:10.3969/j.issn.1000-1093.2015.01.022

兵工学报 ›› 2015, Vol. 36 ›› Issue (1): 151-156.doi: 10.3969/j.issn.1000-1093.2015.01.022

闭式整体构件涡道电解加工流场设计与分析

康保印，范植坚，唐霖

（西安工业大学机电工程学院特种加工重点实验室，陕西西安 710021）

收稿日期:2014-04-18 修回日期:2014-04-18 上线日期:2015-03-14
作者简介:康保印(1988—)，男，硕士研究生
基金资助:
陕西省教育厅自然科学基金专项基金项目（2013JK1014）；陕西省特种加工重点实验室开放基金项目（ST-11001）

Design and Analysis of Flow Field in Electrochemical Machining of Cochlear Channel of Closed Integral Structure

KANG Bao-yin, FAN Zhi-jian, TANG Lin

（Key Laboratory of Non-Traditional Machining, School of Mechatronics Engineering，Xi'an Technological University，

Received:2014-04-18 Revised:2014-04-18 Online:2015-03-14

摘要/Abstract

摘要： 闭式整体构件涡道的电解加工是型孔成型与型面拷贝的串联，流场设计是阴极工装研制的重要一环。在三维参数化软件UG平台上分别建立进液面积均为出液面积2倍的正流式与反流式加工两种装置模型，基于多物理场建模与仿真软件COMSOL Multiphysics对正、反流供液的间隙流场进行仿真。在相同电解液压力条件下，从流线图、速度云图、压力云图分析不同供液方式形成的不同间隙流场的区别。分析结果表明：反向供液端面和侧面间隙的流速均高于正向供液，反向供液流场更均匀、饱满。采用反向供液设计的工装进行工艺试验，加工过程平稳，无火花、短路发生，该套工装现已投入应用。

关键词: 机械制造工艺与设备, 闭式整体构件, 电解加工, 流场, 工装

Abstract: The design of flow field is an important part of preparing the cathode and device in the electrochemical machining of cochlear channel of closed integral structure. The models of the forward feed device and reverse feed device are established based on UG , of which inlet area is about twice as much as outlet area，respectively, and their gap flow fields are simulated based on COMSOL Multiphysics. The difference between these gap flow fields formed by the forward feed and reverse feed at the same electrolyte inlet pressure is analyzed from its streamline pattern, velocity and pressure nephograms. The results show that the flow velocity of the end gap and the side gap in the reverse feed is higher than that in the forward feed, and the flow field of the reverse feed is more uniform. The reverse feed devices are used in the experiment, the machining process is smooth without spark and short circuit.

Key words: manufacturing processes and equipment, closed integral structure, electrochemical machining, flow field, device

中图分类号:

TG662

康保印，范植坚，唐霖. 闭式整体构件涡道电解加工流场设计与分析[J]. 兵工学报, 2015, 36(1): 151-156.

KANG Bao-yin, FAN Zhi-jian, TANG Lin. Design and Analysis of Flow Field in Electrochemical Machining of Cochlear Channel of Closed Integral Structure[J]. Acta Armamentarii, 2015, 36(1): 151-156.

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闭式整体构件涡道电解加工流场设计与分析

Design and Analysis of Flow Field in Electrochemical Machining of Cochlear Channel of Closed Integral Structure

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