| 气流紧实中砂型内摩擦角ψ的变化 |
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| 引用本文： | 张宝生,陈洪升,金晓欧. 气流紧实中砂型内摩擦角ψ的变化[J]. 哈尔滨工业大学学报, 1995, 0(5) |
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| 作者姓名： | 张宝生 陈洪升 金晓欧 |
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| 摘 要： | 利用微型半导体应力传感器对气流作用下砂型内摩擦角的变化进行了研究，结果表明：在气流的作用下，与压实紧实相比，砂型内摩擦角减小，砂型紧实阻力减小，提高了紧实压力传递率，从而能够获得高紧实度的砂型。
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| 关 键 词： | 气流紧实；侧压力系数；砂型内摩擦角 |
Change in Internal Friction Angle in Molding Sand on Air Flow Press |
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| Zhang Baosheng,Chen Hongsheng,Jin xiaoou. Change in Internal Friction Angle in Molding Sand on Air Flow Press[J]. Journal of Harbin Institute of Technology, 1995, 0(5) |
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| Authors: | Zhang Baosheng Chen Hongsheng Jin xiaoou |
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| Affiliation: | Zhang Baosheng;Chen Hongsheng;Jin xiaoou (Harbin Institute of Technology)(Feng Hua machinary factory) |
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| Abstract: | |
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| Keywords: | Air flow press side pressure coefficient internal friction angle in molding sand |
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