Effect of Wire Electrical Discharge Machining Parameters on various Tool Steels using Grey Relational Analysis

J. Udayaprakash, C. Rajkumar, S. Jayavelu, P. Sivaprakasam
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引用次数: 0

Abstract

Materials having very high strength are causing hardship to machine using traditional machining methods. Therefore, consequently, unconventional machining process such as ECM, USM and EDM is developed for machining such materials. Wire EDM is an unconventional metal removal technology utilised to produce parts of any profile. Wire EDM machining parameters were optimised using Grey Relational Analysis for machining of tool steels such as H13, D2 and Oil Hardened Non-Shrinking Steels (OHNS). Optimum parameters are identified by conducting L27 OA experiment on H13, D2 and OHNS considering factors like GV, Ton, Toff and the wire feed by Taguchi based GRA method considering MRR, SR and cutting width (kerf) as the performance characteristics. Nine experiments were conducted with each tool. Objective is to obtain maximum MRR, minimum SR and minimum kerf simultaneously. The significance of the machining parameters was determined using ANOVA. From the response table and response graphs, the optimum process parameters were chosen. This method helped to improve the WEDM process.
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利用灰色关联分析法研究线材电火花加工参数对各种工具钢的影响
高强度的材料给传统的加工方法带来了很大的困难。因此,针对此类材料的加工,开发了ECM、USM、EDM等非常规加工工艺。电火花线切割是一种非传统的金属去除技术,可用于生产任何形状的零件。采用灰色关联分析方法对H13、D2和油硬化不收缩钢(OHNS)等工具钢的线切割加工参数进行了优化。考虑GV、Ton、Toff和送丝等因素,在H13、D2和OHNS上进行L27 OA实验,采用基于田口的GRA方法,以MRR、SR和切削宽度(切口)为性能特征,确定了最优参数。每种工具进行了9次实验。目标是同时获得最大MRR,最小SR和最小切口。利用方差分析确定加工参数的显著性。从响应表和响应图中选择了最佳工艺参数。该方法有助于改进电火花线切割工艺。
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来源期刊
International Journal of Vehicle Structures and Systems
International Journal of Vehicle Structures and Systems Engineering-Mechanical Engineering
CiteScore
0.90
自引率
0.00%
发文量
78
期刊介绍: The International Journal of Vehicle Structures and Systems (IJVSS) is a quarterly journal and is published by MechAero Foundation for Technical Research and Education Excellence (MAFTREE), based in Chennai, India. MAFTREE is engaged in promoting the advancement of technical research and education in the field of mechanical, aerospace, automotive and its related branches of engineering, science, and technology. IJVSS disseminates high quality original research and review papers, case studies, technical notes and book reviews. All published papers in this journal will have undergone rigorous peer review. IJVSS was founded in 2009. IJVSS is available in Print (ISSN 0975-3060) and Online (ISSN 0975-3540) versions. The prime focus of the IJVSS is given to the subjects of modelling, analysis, design, simulation, optimization and testing of structures and systems of the following: 1. Automotive vehicle including scooter, auto, car, motor sport and racing vehicles, 2. Truck, trailer and heavy vehicles for road transport, 3. Rail, bus, tram, emerging transit and hybrid vehicle, 4. Terrain vehicle, armoured vehicle, construction vehicle and Unmanned Ground Vehicle, 5. Aircraft, launch vehicle, missile, airship, spacecraft, space exploration vehicle, 6. Unmanned Aerial Vehicle, Micro Aerial Vehicle, 7. Marine vehicle, ship and yachts and under water vehicles.
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