TC4低压微弧铣削接触等效面积法加工特性研究

周建平; 周忠祥; 汪兵兵; 唐伟

doi:10.13568/j.cnki.651094.651316.2024.03.11.0003

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TC4低压微弧铣削接触等效面积法加工特性研究

更新时间：2026-01-21

- TC4低压微弧铣削接触等效面积法加工特性研究
- Journal of Xinjiang University (Natural Science Edition in Chinese and English) Vol. 41, Issue 3, Pages: 257-267(2024)
- 作者机构：
  
  1. 新疆大学智能制造现代产业学院
  2. 昌吉学院航空学院
  3. 新疆工程学院工程技能实训学院
- 作者简介：
- 基金信息：
- DOI：10.13568/j.cnki.651094.651316.2024.03.11.0003
  CLC： TG54
- Published：2024
- 稿件说明：
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[1]周建平,周忠祥,汪兵兵,等.TC4低压微弧铣削接触等效面积法加工特性研究[J].新疆大学学报(自然科学版)(中英文),2024,41(03):257-267.
[1]周建平,周忠祥,汪兵兵,等.TC4低压微弧铣削接触等效面积法加工特性研究[J].新疆大学学报(自然科学版)(中英文),2024,41(03):257-267. DOI： 10.13568/j.cnki.651094.651316.2024.03.11.0003.

DOI：10.13568/j.cnki.651094.651316.2024.03.11.0003.

摘要

以钛合金Ti-6Al-4V(TC4)为研究对象，建立工艺特征参数(铣削深度、铣削宽度、电极直径)与铣削面积的数学模型，揭示了各特征参数与铣削面积的数学关系．开展电弧铣削实验，研究铣削面积对加工电流、加工质量和加工效率的影响．结果表明：特征参数的变化影响了材料蚀除速率，致使电弧放电能量发生变化，进而影响热影响层和重铸层的厚度；平均峰值电流、表面粗糙度和热影响层厚度与铣削面积呈正相关，而允许的最大进给速度与铣削面积呈负相关；直流电压20 V、铣削深度3 mm、铣削宽度2 mm、主轴转速1 000 r/min时，表面质量最佳，表面粗糙度29.31μm，热影响层厚88.24μm，材料去除率最大为4 996.2 mm3/min．通过铣削面积的分析有助于后续电弧铣削加工工艺调控和优化．

Abstract

This paper takes titanium alloy Ti-6Al-4V(TC4) as the research object

establishes the mathematical model of process characteristic parameters(milling depth

milling width

electrode diameter) and milling area

and reveals the mathematical relationship between each characteristic parameter and milling area. Arc milling experiments were carried out to study the effect of milling area on processing current

processing quality and processing efficiency. The results show that: changes in the characteristic parameters affect the material etching rate

resulting in changes in the arc discharge energy

which in turn affects the thickness of the heat-affected layer and the recast layer; the average peak current

surface roughness value and the thickness of the heat-affected layer are positively correlated with the milling area

while the maximum permissible feed rate is negatively correlated with the milling area; under the condition of DC voltage of 20 V

the milling depth is 3 mm

the milling width is 2 mm

and the spindle speed is 1 000 r/min

the surface quality is the best

the surface roughness value is 29.31μm

the thickness of heat-affected layer is 88.24μm

and the maximum material removal rate is 4 996.2 mm3/min.It is proved that the analysis of the milling area is more helpful for the subsequent arc milling machining process regulation and optimization.

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references

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