2016
DOI: 10.1007/s00170-016-8598-0
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An EDM pulse power generator and its feasible experiments for drilling film cooling holes

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Cited by 32 publications
(9 citation statements)
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“…A high-frequency pulse power generator of EDM was developed by Li, C.J. et al, to find the influence of processing speed and the recast layer thickness [ 3 ]. Zheng, H. et al Substrate temperature was observed to affect the machined hole depth and diameter during Ti: sapphire femtosecond laser machining of a copper substrate [ 4 ].…”
Section: Introductionmentioning
confidence: 99%
“…A high-frequency pulse power generator of EDM was developed by Li, C.J. et al, to find the influence of processing speed and the recast layer thickness [ 3 ]. Zheng, H. et al Substrate temperature was observed to affect the machined hole depth and diameter during Ti: sapphire femtosecond laser machining of a copper substrate [ 4 ].…”
Section: Introductionmentioning
confidence: 99%
“…Micro-EDM can process almost all conductive materials, which is not affected by the hardness of materials, and it has good machining ability for difficult-to-cut materials, for instance, titanium alloy and cemented carbide [2]. Due to these special advantages, micro-EDM is widely used in aerospace and medical fields of film cooling holes and high-quality surface, etc [3][4][5]. Different from the traditional machining method, the micro-EDM surface is consisted of discharge craters without directional features, hence it's an isotropic surface.…”
Section: Introductionmentioning
confidence: 99%
“…There are many micro three-dimensional parts or microstructures that not only require higher machining accuracy but also require no obvious micro-defects on the machined surface, a smooth surface with low roughness and higher processing efficiency. For instance, the surface quality of the slow-wave microstructures in a terahertz travelling wave tube directly determines its physical properties [3][4][5], and the micro-film cooling holes in the turbine blades of aeroengines have stringent requirements for machined surface integrity [6]. These factors bring more challenges to micro-machining technology.…”
Section: Introductionmentioning
confidence: 99%