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Comparison EDM/Dry-EDM in microdrilling process

机译：微型钻井过程中的比较EDM / DREDM

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In micro-EDM machining the most commonly used dielectrics are mineral oil and deionized water, that are characterised by different dielectric permittivity. As a matter of fact, the use of these dielectrics, especially mineral oil, requires proper air filtering and a correct dismissal of the used dielectric. The spread of an environment friendly approach for a more conscious manufacturing enhanced the study of micro-EDM technology in different dielectric conditions. In particular, it was underlined the possibility to conduct EDM and micro-EDM tests with different dielectrics, in other words the so called "dry" conditions. Aim of this paper is to investigate the influence of the dielectric fluid on the process performance and on the geometrical characteristics of the micro holes. A comparison between the conventional mineral oil, compressed air and oxygen was carried out. The experimental campaign was executed with a Sarix SX 200 machine for the machining of magnesium sheets having thickness of 1 mm.
机译：在微EDM加工中，最常用的电介质是矿物油和去离子水，其特征在于不同的介电常数。事实上，使用这些电介质，尤其是矿物油，需要适当的空气过滤和正确解雇使用的电介质。一种环境友好型方法的传播，为更加有意识的制造增强了不同介电条件下微EDM技术的研究。特别地，强调有可能通过不同的电介质进行EDM和微EDM测试，换句话说，所谓的“干燥”条件。本文的目的是研究介电流体对过程性能和微孔几何特征的影响。进行常规矿物油，压缩空气和氧之间的比较。使用Sarix SX 200机器执行实验活动，用于加工厚度为1mm的镁。

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