含Zr和Ni介质对模具钢材料电火花加工的优化及影响

IF 1 4区工程技术 Q4 CHEMISTRY, APPLIED

Chemical Industry & Chemical Engineering Quarterly Pub Date : 2023-01-01 DOI:10.2298/ciceq221215005a

Srinivasan Appadurai, Saravanan Ganesan, Viswanathan Rangasamy, Karthikeyan Kanakasabapathi

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引用次数: 0

摘要

本文旨在优化加工参数，研究粉末混合介质对电火花加工的影响。采用TOPSIS优化方法确定最优加工参数。首选HCHCr模具钢作为加工材料。介电流体的粉末包裹体选择Ni、Zr和Ni+Zr，因为它们具有较强的硬度和延展性。L9阵列田口DOE优先采用峰值关闭时间、脉冲关闭时间和脉冲电流等参数进行实验。TOPSIS研究表明，粉末介电流体(Ni+Zr)为3级，峰值电流为7A，脉冲开启时间为9 s，脉冲关闭时间为2 s为最佳条件。在对HCHCr模具钢进行加工时，脉冲准时(Ton)对MRR和Ra有较大的影响。通过SEM分析粉末混合介质的影响，EDAX分析粉末夹杂物的存在。

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Optimization and effect of dielectric fluid with Zr and Ni on electrical discharge machining of die steel material

This present work is aimed to optimize the machining parameters and study the effect of powder mixed dielectric fluid on EDM process. TOPSIS method of optimization is adopted to identify the optimal machining parameters. HCHCr die steel is preferred as machining material. Ni, Zr and Ni+Zr were selected as powder inclusion in dielectric fluid due to hard and ductile nature. L9 array Taguchi DOE is preferred to perform the experiments with parameters like peak off time, pulse off time and pulse current. TOPSIS study revealed that, third level of powder dielectric fluid (Ni+Zr), 7A peak current, 9 ?s pulse on time and 2 ?s pulse off time were specified as optimal condition. Pulse on time (Ton) was having high impact on MRR and Ra while performing machining operation on HCHCr die steel. SEM analysis was done to find the effect of powder mixed dielectric fluid while EDAX analysis was done to ensure the presence of powder inclusion.

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来源期刊

Chemical Industry & Chemical Engineering Quarterly CHEMISTRY, APPLIED-ENGINEERING, CHEMICAL

CiteScore

2.10

自引率

0.00%

发文量

审稿时长

3.3 months

期刊介绍： The Journal invites contributions to the following two main areas: • Applied Chemistry dealing with the application of basic chemical sciences to industry • Chemical Engineering dealing with the chemical and biochemical conversion of raw materials into different products as well as the design and operation of plants and equipment. The Journal welcomes contributions focused on: Chemical and Biochemical Engineering [...] Process Systems Engineering[...] Environmental Chemical and Process Engineering[...] Materials Synthesis and Processing[...] Food and Bioproducts Processing[...] Process Technology[...]