增材制造内流道电解光整加工进给速度预测及验证

doi:10.3901/JME.260705

机械工程学报 ›› 2026, Vol. 62 ›› Issue (13): 434-443.doi: 10.3901/JME.260705

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增材制造内流道电解光整加工进给速度预测及验证

安林超^1,2, 王登勇², 朱荻²

1. 河南工学院河南省机电装备数字化设计与制造工程技术研究中心新乡 453003;
2. 南京航空航天大学江苏省精密与微细重点实验室南京 210016

收稿日期:2025-07-10 修回日期:2026-03-06 发布日期:2026-08-28
作者简介:安林超，男，1982年出生，博士，副教授，硕士研究生导师。主要研究方向为电化学精密光整加工。E-mail：lcan@hait.edu.cn;王登勇(通信作者)，男，1990年出生，博士，教授，博士研究生导师。主要研究方向为电化学加工。E-mail：dywang@nuaa.edu.cn;朱荻，男，1954年出生，博士，教授，中国科学院院士，博士研究生导师。主要研究方向为特种能场制造。E-mail：dzhu@nuaa.edu.cn
基金资助:
国家自然科学基金创新研究群体(51921003)和河南省科技攻关计划(242102220069,252102221004)资助项目。

Prediction and Verification of Feed Rate in Electrochemical Finishing of Additively Manufactured Interior Channels

AN Linchao^1,2, WANG Dengyong², ZHU Di²

1. Henan Provincial Engineering Technology Research Center for Digital Design and Manufacturing of Mechanical and Electrical Equipment, Henan Institute of Technology, Xinxiang 453003;
2. Jiangsu Provincial Key Laboratory of Precision and Miniaturization, Nanjing University of Aeronautics and Astronautics, Nanjing 210016

Received:2025-07-10 Revised:2026-03-06 Published:2026-08-28

摘要/Abstract

摘要： 电解光整加工是提高增材制造内流道零件表面质量的有效手段，工具阴极轴向进给速度对表面质量和加工效率影响显著。进给速度和加工电压、极间间隙和原始粗糙度等多种因素有关，现有研究鲜有综合考虑这些因素。为确定合理的进给速度，基于增材制造零件表面微观轮廓特征和电化学材料溶解规律，建立进给速度预测数学模型并数值求解。分析得出：加工电压和极间间隙合理范围分别为10～25 V和0.2～0.5 mm。过大电压和过小间隙对于提高进给速度效果并不显著，而过小电压和过大间隙又不利于光整加工效率。对模型预测的进给速度和工艺参数进行实验验证。结果表明：当加工电压为10 V，极间间隙为0.5 mm时，选择预测的0.85 mm/min进给速度，试件表面质量得到明显改善。表面粗糙度Ra、Rz值由10.25 μm、49.42 μm分别降低到2.26 μm和12.59 μm，Rz值预测误差仅为4.89%，且孔径尺寸精度满足加工要求，为内流道电解加工参数的选择提供理论依据。

关键词: 电解光整, 增材制造, 内流道, 进给速度, 预测

Abstract: Electrochemical finishing is an effective method to improve the surface quality of additively manufactured interior channels. The feed rate is related to many factors such as processing voltage, inter-pole gap, and initial roughness. However, current research rarely takes these factors into comprehensive consideration. The effect of cathode axial feed speed on surface quality and machining efficiency is significant. In order to determine a reasonable feed rate, the mathematical model of feed rate prediction is established and solved numerically based on the surface microscopic profile characteristics of additive manufacturing parts and electrochemical material dissolution law. The analysis shows that the reasonable range of machining voltage and gap is 10～25 V and 0.2～0.5 mm, respectively. Overlarge voltage and too small gap have no significant effect on improving the feed rate, and on the contrary, they are detrimental to the finishing efficiency. The predicted feed rate and process parameters are verified by experiments. The results show that when the machining voltage is 10 V and the machining gap is 0.5 mm, the surface quality of the specimen is significantly improved by selecting the predicted feed rate of 0.85 mm/min. The surface roughness Ra and Rz decreased from 10.25 μm and 49.42 μm to 2.26 μm and 12.59 μm, respectively. The prediction error of Rz is only 4.89%, and the aperture accuracy meets the machining requirements, the results provide a theoretical basis for the selection of internal flow channel electrolytic processing parameters.

Key words: electrochemical finishing, additive manufacturing, interior channel, feed rate, prediction

中图分类号:

TG156

安林超, 王登勇, 朱荻. 增材制造内流道电解光整加工进给速度预测及验证[J]. 机械工程学报, 2026, 62(13): 434-443.

AN Linchao, WANG Dengyong, ZHU Di. Prediction and Verification of Feed Rate in Electrochemical Finishing of Additively Manufactured Interior Channels[J]. Journal of Mechanical Engineering, 2026, 62(13): 434-443.

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增材制造内流道电解光整加工进给速度预测及验证

Prediction and Verification of Feed Rate in Electrochemical Finishing of Additively Manufactured Interior Channels

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