| 基于热力耦合分析的叶片热压回弹预测及控制 |
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| 引用本文： | 周杰,苏竹,邱媛媛.基于热力耦合分析的叶片热压回弹预测及控制[J].热加工工艺,2011,40(1). |
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| 作者姓名： | 周杰 苏竹 邱媛媛 |
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| 作者单位： | 重庆大学,材料科学与工程学院,重庆,400044 |
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| 摘 要： | 针对某型号风机叶片的形状特点设计出成形工序,提出一套结合实际制造能力的成形工艺方案。基于热力等多因素耦合在Deform-3D平台上进行数值模拟和工艺优化,深入分析了成形过程的回弹、翘曲及应力、应变分布规律,提出了应对变形回弹的规律的控制措施,由此获得合理的工艺规范,并取得实验验证,从而解决了制造过程中的关键技术难点,为叶片类零件的生产提供了一种实用、高效、经济、可靠的成形工艺。
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| 关 键 词： | 风机叶片 热力耦合 热压成形 回弹 实验 |
Rebound Prediction and Control on Hot Forming Process for Fan Blade Based on Thermal-mechanical Coupling |
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| ZHOU Jie,SU Zhu,QIU Yuanyuan.Rebound Prediction and Control on Hot Forming Process for Fan Blade Based on Thermal-mechanical Coupling[J].Hot Working Technology,2011,40(1). |
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| Authors: | ZHOU Jie SU Zhu QIU Yuanyuan |
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| Affiliation: | ZHOU Jie,SU Zhu,QIU Yuanyuan(College of Mechanical Engineering,Chongqing University,Chongqing 400044,China) |
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| Abstract: | According to the shape features of a fan blade,its forming process was designed,and a forming process scheme combining actual manufacturing capacity was proposed.Based on the factors of thermal-mechanical coupling in Deform-3D platform,the numerical simulation and process optimization was done.After analyzing the rebound of forming process,warping and strain distribution,some measures dealing with spring back were given.Thereby a reasonable process specification was made and validated by experimental manufa... |
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| Keywords: | fan blade thermal-mechanical coupling rebound experiment |
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