| 基于有限元方法的压缩机气缸焊接变形分析 |
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| 引用本文： | 任丽萍,胡余生,孔令超,徐嘉.基于有限元方法的压缩机气缸焊接变形分析[J].制冷,2013(3):82-85. |
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| 作者姓名： | 任丽萍 胡余生 孔令超 徐嘉 |
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| 作者单位： | 国家节能环保制冷设备工程技术研究中心,珠海519070 |
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| 摘 要： | 焊接是压缩机部件连接中的主要方式，同时会造成结构的变形而影响到压缩机可靠性。采用双椭球移动热源的热弹塑性有限元分析方法，对压缩机气缸进行了焊接变形分析。实验证明该方法具有较高的准确性，可应用于评估压缩机中焊接带来的零件变形情况，及进行焊接件结构优化和方案筛选，并已在产品开发中得到了应用。
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| 关 键 词： | 气缸 热弹塑性 焊接变形 结构优化 |
Analysis of Cylinder Welding Deformation in Compressor using Finite Element Method |
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| REN Liping,HU Yusheng,KONG Lingchao,XU jia.Analysis of Cylinder Welding Deformation in Compressor using Finite Element Method[J].Refrigeration,2013(3):82-85. |
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| Authors: | REN Liping HU Yusheng KONG Lingchao XU jia |
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| Affiliation: | (National Engineering Research Center Of Green Refrigeration Equipment, ZhuhaiS19070, China) |
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| Abstract: | The mostly mode of connecting parts in compressor is welding , which can bring deformation and affect the reliability of compressor.Based on the double ellipsoid heat source model , the analysis of cylinder welding de-formation in compressor is achieved by the thermal elasto -plastic finite element method.The accuracy of the analy-sis method is supported by the test.And it can be used for obtaining the welding deformation of the part in the com-pressor , structure optimization and scheme selecting.The analysis method is successfully applied to the product de-velopment. |
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| Keywords: | Cylinder Thermal elasto-plastic Welding deformation Structure optimization |
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