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2022 01 v.49 16-22
电火花线切割加工钛合金表面微槽工艺参数研究
基金项目(Foundation): 山东省自然科学基金(ZR2017MEE012,ZR2018MEE017)
邮箱(Email): liyinan2004@163.com;
DOI:
中文作者单位:

青岛理工大学机械与汽车工程学院;

摘要(Abstract):

为了研究电火花线切割工艺参数(脉冲宽度、脉冲间隔、峰值电流、极间电压)对TC4钛合金加工的影响规律,本文通过一组四因素四水平正交试验,以切割速度、加工精度作为评价指标,通过极差分析法研究各工艺参数对钛合金加工的影响程度。试验结果表明:脉冲宽度对切割速度的影响是最大的,峰值电流对加工精度的影响是最大的。在脉冲宽度为24μs、脉冲间隔为30μs、峰值电流为4 A、极间电压为8 V的条件下加工沟槽结构,其槽深为250μm,棱宽为100μm,槽宽为250μm。

关键词(KeyWords): 电火花线切割;钛合金;正交试验;精度
参考文献

[1]Hui Z,Liu Z,Cao Z,et al. Effect of cryogenic cooling of tool electrode on machining titanium alloy(Ti-6Al-4V)during EDM[J].Materials and Manufacturing Processes,2016,31(4):475-482.

[2]Bai Q Y,Liu H P,Bi S F,et al. Performance and Research Progress of Oxide Ceramic Coatings by Micro-arc Oxidation on Shipbuilding Titanium Alloy[J]. ZhongguoBiaomianGongcheng(China Surface Engineering),2013,26(1):1-5.

[3]Pramanik A, Islam M N, Basak A K, et al. Optimizing dimensional accuracy of titanium alloy features produced by wire electrical discharge machining[J]. Materials and Manufacturing Processes,2019,34(10):1083-1090.

[4]Nirmal K,Jagadesh T. Numerical simulations of friction stir welding of dual phase titanium alloy for aerospace applications[J].Materials Today:Proceedings,2021, 46:4702-4708.

[5]Lv L,Xi J,Wang W,et al. Development Status and Prospect on Application of Titanium Alloy in Ocean Engineering[J].Metallurgical Engineering, 2015, 2(2):89-92.

[6]刘畅,王辰宇,刘贺,等. 3D打印Ti6Al4V钛合金支架的力学性能及生物相容性[J].中国有色金属学报,2018,28(4):758-765.

[7]Klocke,F.,Welling,D.,Dieckmann,J. Comparison of grinding and WEDM concerning fatigue strength and surface integrity ofTi-6Al-4V components[J]. Procedia Engineering, 2011(19):184-189.

[8]Prasad A. V. S. R.,Ramji,K.,Datta,G.L. An experimental study of wire EDM on Ti-6Al-4Valloy[J]. Progress in Materials Science,2014(5):2567-2576.

[9]Alis,A.,Abdullah,B.,Abbas,N.M. Influence of machine feed rate in WEDM of Ti-6Al-4V with constant current(6A)using brasswire[J]. Proc. Eng., 2012(41):1812-1817.

[10]明平美.精密与特种加工技术[M].北京:电子工业出版社,2011.

[11]Pramanik A,Basak A K,Littlefair G,et al. Methods and variables in Electrical discharge machining of titanium alloy-A review[J]. Heliyon,2020,6(12):e05554.

[12]张成军.实验设计与数据处理[M].北京:化学工业出版社,2009.

[13]邓鹏,董长双.钛合金Ti-6Al-4V的电火花线切割参数试验研究[J].机械设计与制造,2017(1):69-71,75.

[14]贾永龙.正交实验分析孔加工中表面粗糙度的影响因素分析[J].南方农机,2020,51(13):192-193,196.

[15]Shajan K., Shunmugam M. S. Characteristics of WEDM machined Ti-6Al-4V surface[J]. J. Mater. Lett., 2004(58):2231-2237.

[16]焦建成,邢济收,杨大勇.电火花加工中最优加工条件的确定[J].北京机械工业学院学报,2004(1):66-70.

基本信息:

DOI:

中图分类号:TG484

引用信息:

[1]李驰,李一楠.电火花线切割加工钛合金表面微槽工艺参数研究[J].机械,2022,49(01):16-22.

基金信息:

山东省自然科学基金(ZR2017MEE012,ZR2018MEE017)

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