(3)磨削去除率小(Low Material Removal Rate) (4)磨削速率(Cutting Speed)大，进给率(Feed Rate)及磨削深度(Depth of cut)均小，因此比马力(Specific Horse Power)相当大
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EDM in gas can make less electrode wear, but its high short circuit ratio will lead to unstable process and thus low material removal rate.
气中电火花加工时电极相对损耗很小，但由于短路率过高导致加工不稳定、材料去除率不高，还会产生烧焦气味。
Based on the low removal rate of the material like cemented carbide in the space field by cutting and EDM, a pulse generator discharged with explosion is designed.
针对目前航空、航天等领域中日益广泛应用的硬质合金等材料出现的切削加工困难、电加工蚀除速度慢的问题，设计了带有放电爆炸力的电火花加工脉冲电源。
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