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首页> 外文期刊>Journal of Mechanical Science and Technology >Investigation of near dry EDM compared with wet and dry EDM processes
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Investigation of near dry EDM compared with wet and dry EDM processes

机译：与干式和干式EDM工艺相比，近干式EDM的研究

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摘要

Material removal rate (MRR), tool wear ratio (TWR) and surface roughness (SR) obtained by near-dry EDM process were compared with wet and dry EDM at three levels of discharge energy in drilling of SPK steel. Surface integrity machined by this process was studied and compared with wet and dry EDM processes, by scanning electron microscopy (SEM). The results showed that at high level of discharge energy, wet EDM has the most MRR, TWR and SR, and dry EDM has the least MRR, TWR and SR, while at low discharge energy levels, near-dry EDM process has the most MRR and the least SR. SEM micrographs showed that the quality of surface obtained by near-dry EDM process is better than others and the machined surfaces by near-dry EDM process have lower micro-cracks and craters, relatively.
机译：在SPK钢的钻孔过程中，通过近干EDM工艺获得的材料去除率（MRR），工具磨损率（TWR）和表面粗糙度（SR）与湿式和干式EDM在三种放电能量水平下进行了比较。通过扫描电子显微镜（SEM），研究了通过该方法加工的表面完整性，并将其与干式和干式EDM工艺进行了比较。结果表明，在高放电能量下，湿式EDM的MRR，TWR和SR最高，而干EDM的MRR，TWR和SR最小，而在低放电能量下，近干EDM工艺的MRR最高。 SR最少。扫描电镜照片显示，近干电火花加工得到的表面质量要好于其他，近干电火花加工得到的加工表面的微裂纹和缩孔率相对较低。

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