Electrochemical Machining of Full Profile of Dual-Platform Blades Through Partitioned Dissolution Method

WANG Yudi; XU Zhengyang; WANG Zijian; XU Xiantao

doi:10.16080/j.issn1671-833x.25010198

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Electrochemical Machining of Full Profile of Dual-Platform Blades Through Partitioned Dissolution Method

COVER STORY | 更新时间：2026-06-16

- Electrochemical Machining of Full Profile of Dual-Platform Blades Through Partitioned Dissolution Method
- Aeronautical Manufacturing Technology Vol. 69, Issue 10, Pages: 24-31(2026)
- 作者机构：
  
  南京航空航天大学机电学院，南京 210016
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.25010198
  CLC： V261.5;TG662
- Received：25 December 2025，
  
  Revised：2026-02-12，
  
  Accepted：27 February 2026，
  
  Published：15 May 2026
- 稿件说明：
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引文格式：王玉弟，徐正扬，王子健，等.双缘板叶片分域溶解全型面电解加工方法研究[J].航空制造技术，2026, 69（10）：25010198.

WANG Yudi, XU Zhengyang, WANG Zijian, et al. Electrochemical machining of full profile of dual-platform blades through partitioned dissolution method[J]. Aeronautical Manufacturing Technology, 2026, 69(10): 25010198.
引文格式：王玉弟，徐正扬，王子健，等.双缘板叶片分域溶解全型面电解加工方法研究[J].航空制造技术，2026, 69（10）：25010198. DOI： 10.16080/j.issn1671-833x.25010198.

WANG Yudi, XU Zhengyang, WANG Zijian, et al. Electrochemical machining of full profile of dual-platform blades through partitioned dissolution method[J]. Aeronautical Manufacturing Technology, 2026, 69(10): 25010198. DOI： 10.16080/j.issn1671-833x.25010198.

摘要

针对传统工具阴极双向进给电解加工方法无法实现双缘板叶片叶身和两侧缘板全型面加工的难题，创新性地提出分域溶解全型面电解加工方法。阐述了新方法的原理，建立了传统工具阴极侧壁未绝缘、传统工具阴极侧壁绝缘及新方法的有限元仿真模型，开展了电场仿真对比分析，仿真结果表明，传统工具阴极侧壁未绝缘加工的叶片缘板锥度较大（约 17.6°），传统工具阴极侧壁绝缘及新方法加工出的叶片几乎无锥度。仿真结果还表明，新方法中工具阴极对侧壁缘板具有进给分量，使得缘板具有最高且最均匀的电流密度。最后，开展了镍基高温合金双缘板叶片 3种电解加工方式的对比试验，结果表明 3 种加工方式加工的叶片叶身表面粗糙度相似。传统工具阴极侧壁未绝缘加工的叶片缘板表面粗糙度约为

1.89

μm，锥度约为15.5°；传统工具阴极侧壁绝缘加工的叶片缘板表面粗糙度约为

2.77 μm，几乎无锥度；分域溶解新方法加工出的叶片缘板表面粗糙度约为

0.61 μm，几乎无锥度，证明了方法的可行性。

Abstract

Aiming at the problem that the traditional tool cathode bidirectional feed electrochemical machining (ECM) method cannot achieve the full profile processing of the blade body and the two side platforms of the dual-platform blade

an innovative partitioned dissolution full profile ECM method is proposed. The principle of the new method was expounded. The finite element simulation models of the traditional side-wall uninsulated tool cathode

the traditional sidewall insulated tool cathode

and the new method were established. The electric field simulation comparative analysis was carried out. The simulation results show that the taper of the blade platform processed by the traditional side-wall uninsulated tool cathode is relatively large (about 17.6°). The blades processed by both the traditional side-wall insulated tool cathode and the new method have almost no taper. The simulation results also show that in the new method

the tool cathode has a feed component to the side wall platform

which enables the platform to have the highest and most uniform current density. Finally

a comparative experiment of three ECM methods for nickel-based superalloy dual-platform blades was carried out. The results show that the surface roughness of the blade bodies processed by the three processing methods is similar. The surface roughness of the platform of the blade processed by the traditional side-wall uninsulated tool cathode is approximately

1.89 μm

and the taper is approximately 15.5°. The surface roughness of the blade platform processed by the traditional side-wall insulated tool cathode is approximately

2.77 μm

with almost no taper. The surface roughness of the blade platform processed by the new partitioned dissolution method is

approximately

0.61 μm

with almost no taper

which proves the feasibility of the method.

关键词

Keywords

references

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