| 一种齿轮强度可靠性设计的改进方法 |
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| 引用本文： | 袁成荣,缑斌丽,王立杰.一种齿轮强度可靠性设计的改进方法[J].南京林业大学学报(自然科学版),1999,23(5):39-42. |
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| 作者姓名： | 袁成荣 缑斌丽 王立杰 |
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| 作者单位： | 南京林业大学机电工程学院,南京,210037 |
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| 摘 要： | 在原先齿轮强度可靠性设计中，强度和应力均按正态分布近似处理，计算精度较低。将齿面接触疲劳强度按威布尔分布、应力按正态分布处理，将齿根弯曲疲劳强度和应力均按对数正态分布处理，再根据平均安全系数和可靠度之间的关系，推导出了齿轮强度可靠性设计和校核公式。通过改进，使齿轮强度可靠性计算精度有所提高。
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| 关 键 词： | 齿轮强度 可靠性设计 改进方法 |
An Improved Way About Gear Strength Reliability Design |
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| Yuan Chengrong,Gou Binli,Wang Lijie.An Improved Way About Gear Strength Reliability Design[J].Journal of Nanjing Forestry University(Natural Sciences ),1999,23(5):39-42. |
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| Authors: | Yuan Chengrong Gou Binli Wang Lijie |
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| Institution: | College of Electronic and Mechanical Engineering Nanjing Forestry University Nanjing 210037 |
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| Abstract: | In former design of gear strength reliability, both strength and stress approximatly dealt with normal distribution, its method had lower calculation precision. After being improved, the gear surface contact fatigue strength obeys Weibull distribution and stress obeys normal distribution, the gear bottom bend fatigue strength and stress obey logarithm normal distribution, according to the relation of average safe rate and reliability, then the gear strength reliability design and check equations can be deduced. The method has higher calculation precision. |
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| Keywords: | Gear strength Reliability design Improved way |
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