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EDM process through mathematical model

机译:通过数学模型进行电火花加工

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摘要

EDM is a well-established hole machining option with various advantages due to non-contact characteristics of the process. However, knowledge about the process is not enough for its more improvements. Exprimenal studies are costly and time consuming because of the complex nature of process. Therefore, process modeling is a good alternative to reduce the experimental expense related to the technology. This paper studys EDM process through mathematical model, which includes the precise insight into the interactive behavior of EDM system. The ignition, discharge and recovery phases of the model have been developed through MATLABs time domain analysis. Simulation result shows good agreement with expected profile of EDM spark. To verify the model, simulated material removal rates (MRRs) from series of simulation are compared with the experimental ones reported by previous researcher. Ability of the model to predict the dynamic behavior profile of the EDM system is successfully confirmed by low average percentage error in predicting MRR.
机译:由于加工的非接触特性,EDM是一种行之有效的孔加工选择,具有各种优势。但是,对过程的了解不足以对其进行更多的改进。由于过程的复杂性,进行外源性研究既昂贵又费时。因此,过程建模是减少与该技术相关的实验费用的好选择。本文通过数学模型研究电火花加工过程,其中包括对电火花加工系统交互行为的精确了解。该模型的点火,放电和恢复阶段是通过MATLAB的时域分析开发的。仿真结果表明,其与电火花火花的预期轮廓吻合良好。为了验证该模型,将来自一系列模拟的模拟材料去除率(MRR)与先前研究人员报告的实验结果进行了比较。通过预测MRR的低平均百分比误差,成功地确定了模型预测EDM系统动态行为特征的能力。

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