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锤式破碎机销轴的疲劳分析及改进措施
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国家高技术发展计划(863)课题(2013AA040201)


Fatigue Analysis of Pin Shaft in Hammer Shredder and Improvement Measures
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    摘要:

    利用有限元分析软件ANSYS/LSDYNA对锤式破碎机上销轴的特性进行了分析,找出了销轴工作过程中最大应力分布规律,揭示了破碎机销轴的断裂机制,并验证了PSX88104破碎机上的销轴符合疲劳设计强度要求;通过试验验证了最大应力分布规律,并对断裂销轴进行了宏观断口分析,发现其为疲劳断裂。分析表明:定期更改销轴的位置能够有效延长销轴的使用寿命。

    Abstract:

    The characteristics of pin shaft in a hammer shredder were analyzed by using the finite element analysis (FEA) software of ANSYS/LSDYNA. The maximum stress distribution law of the shredding pin shaft was found out, its ruptured mechanism was reveled, and it was verified that the pin shaft of PSX88104 shredder met the fatigue strength requirement in design. The maximum stress distribution law was verified through experiment, macroopenning of the raptured pinshaft was analyzed, and its fatigue broken was found out. The life of the shredder pin shift can be extended by changing its position at a set period.

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周先艳,胡志力,陶义军.锤式破碎机销轴的疲劳分析及改进措施[J].机床与液压,2016,44(1):40-44.
. Fatigue Analysis of Pin Shaft in Hammer Shredder and Improvement Measures[J]. Machine Tool & Hydraulics,2016,44(1):40-44

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  • 在线发布日期: 2016-04-07
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