| 一种曲轴初始校直行程计算方法 |
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| 引用本文： | 翟华,钟华勇,江擒虎.一种曲轴初始校直行程计算方法[J].塑性工程学报,2010,17(2). |
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| 作者姓名： | 翟华 钟华勇 江擒虎 |
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| 作者单位： | 合肥工业大学,机械与汽车工程学院,合肥,230009 |
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| 基金项目： | 安徽省自然科学基金资助项目，安徽省科技攻关资助项目 |
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| 摘 要： | 针对曲轴校直中初始校直行程难以确定的问题,根据弹塑性力学理论和有限元方法,研究曲拐旋转角度对曲轴校直过程的影响。以8缸直列式往复发动机曲轴校直为例,应用有限元法计算了曲轴校直中3种加载工况,以及不同工况下曲拐在不同旋转角度对应的应力和变形,并建立了应力变形系数表,结合台阶轴校直行程算法,提出了8缸直列式钢质曲轴初始校直行程计算方法。在YH40-160型曲轴校直液压机上进行校直实验,结果表明,该方法能有助于曲轴初始行程计算,可提高校直效率。
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| 关 键 词： | 曲轴 校直 有限元 算法 |
Crankshaft initial straightening stroke algorithm |
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| ZHAI Hua,ZHONG Hua-yong,JIANG Qing-hu.Crankshaft initial straightening stroke algorithm[J].Journal of Plasticity Engineering,2010,17(2). |
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| Authors: | ZHAI Hua ZHONG Hua-yong JIANG Qing-hu |
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| Affiliation: | ZHAI Hua ZHONG Hua-yong JIANG Qing-hu(The School of mechanic , Automobile Engineer,Hefei University of Technology,Hefei 230009) |
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| Abstract: | The effect of crankthrow rotation angle to crankshaft straightening process had been researched based on the elastic-plastic mechanics and finite element method.The straightening of the crankshaft of 8-cylinder in line reciprocating diesel engines was taken for example.3 loading cases had been calculated by finite element method.The stress and deformation at different crankthrow rotation angle and different loading case were analyzed and the stress-deformation coefficient table had been set up.The 8-cylinde... |
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| Keywords: | crankshaft straightening finite element algorithm |
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