| 基于可靠性平均安全系数的设计方法研究 |
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| 引用本文： | 吴海淼,姚志辉,王凯,王海英,苏立坡.基于可靠性平均安全系数的设计方法研究[J].河北工程大学学报,2009,26(2):74-77. |
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| 作者姓名： | 吴海淼 姚志辉 王凯 王海英 苏立坡 |
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| 作者单位： | 吴海淼,王凯(河北工程大学机电工程学院,河北,邯郸,056038);姚志辉(西北机电工程研究所,陕西,咸阳,712099);王海英(河北省机械设备成套局,河北,石家庄,050000);苏立坡(河北化工医药职业技术学院,河北,石家庄,050000)
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| 摘 要： | 以应力-强度干涉模型为基础,分析了当应力和强度服从不同分布时,机械零件的可靠度与平均安全系数的关系,提出了一种基于平均安全系数的可靠性设计方法,设计实例验证了该方法的可行性,为提高零件设计水平,减小零件尺寸和节省制造成本提供了理论基础.
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| 关 键 词： | 可靠性 平均安全系数 强度 应力 |
| 收稿时间： | 2009/2/17 0:00:00 |
| 修稿时间： | 2009/2/17 0:00:00 |
Research of reliability design based on average safety factor |
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| Authors: | WU Haimiao YAO Zhihui WANG Kai WANG Haiying and SU Lipo |
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| Affiliation: | College of Mechanical and Electrical Engineering,Hebei University of Engineering,Handan 056038,China;Northwest Institute of Mechanical and Electrical Engineering,Xianyang 712099,China;College of Mechanical and Electrical Engineering,Hebei University of Engineering,Handan 056038,China;Hebei Mechanical Equipment Completion Bureau,Shijiazhuang 050051,China;Hebei Chemical and Pharmaceutical Vocational Technology College,Shijiazhuang 056026,China |
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| Abstract: | Based on stress-strength interference model,the relationship of average safety factor and reliability are derived when the distribution of stress and strength are subordinated to normal distribution or others,and the reliability design method based on average safety factor were introduced.It is shown that the reliability design method is feasible and useful to improve the design standard for mechanical parts and reduce the cost of them. |
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| Keywords: | reliability average safety factor strength stress |
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