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铜箔电磁辅助微冲孔试验 被引量:2

Experimental investigation on electromagnetic assisted micro-piecing of brass foil
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摘要 为实现铜箔微冲孔,以弹性体作为传力介质,采用试验方法研究弹性介质材料、厚度及驱动片厚度等参数对电磁辅助微冲孔的影响。结果表明,硅胶和聚氨酯橡胶适合于电磁辅助微冲孔,最佳厚度分别为3.0mm和1.0mm;驱动片厚度对磁场渗透和运动速度有较大影响。板料厚度相同时,微孔直径越小冲孔越困难,需要的能量越大;板料厚度越薄,相同能量下可冲出直径越小的孔;通过合理控制工艺参数,电磁辅助成形技术可在20μm的铜箔上冲出直径500μm的微孔。 In order to realize the micro-piecing of brass foil , the effects of the material and thickness of elastic medium , the thick-ness of driver plate on electromagnetic assisted micro-piecing were investigated by the experiments with elastic body as force trans-mission medium . The results show that the silicone and the polyurethane rubber are suitable for the electromagnetic assisted mi-cro-piecing . The optimum thickness of the silicone is 3.0mm and the one of the polyurethane rubber is 1.0mm . The thickness of the driver plate has a significant effect on the penetration of the magnetic field and the movement velocity of the driver plate . With the same foil thickness ,it is more difficult to piece the smaller diameter hole because more energy is needed .With the decrease of the driver plate thickness , the smaller diameter hole can be punched at the same energy . Under the reasonable process parame-ters , the hole diameter of 500μm can be punched using the thickness of 20μm copper foil by the electromagnetic assisted micro-piecing process .
出处 《塑性工程学报》 CAS CSCD 北大核心 2014年第3期58-62,共5页 Journal of Plasticity Engineering
基金 轻合金加工科学与技术国防重点学科实验室开放基金资助项目(gf201201001) 福建省自然科学基金资助项目(2013J01181) 福建省教育厅基金资助项目(JA12052) 福州大学科技发展基金资助项目(2012-XY-12)
关键词 电磁辅助成形 铜箔 微冲孔 弹性介质 electromagnetic assisted forming brass foil micro-piecing elastic medium
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参考文献11

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