| 拔销器手动拔销螺纹咬死故障分析与防控 |
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| 引用本文： | 徐汉中,王寅虎,吕蒙,周楠,焦胜海. 拔销器手动拔销螺纹咬死故障分析与防控[J]. 导弹与航天运载技术, 2020, 6(1): 118-122. DOI: 10.7654/j.issn.1004-7182.20200121 |
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| 作者姓名： | 徐汉中 王寅虎 吕蒙 周楠 焦胜海 |
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| 作者单位： | 北京航天长征飞行器研究所，北京，100076 |
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| 摘 要： | 为解决拔销器螺纹咬死故障，通过失效分析和机理研究，从配合螺纹公差带设计、螺纹材料选择、螺纹表面处理及润滑剂使用四个方面提出了防止螺纹咬死控制措施，并进行了相关试验验证，有效解决了拔销器反复拆装过程的螺纹咬死现象，有利于提高产品质量。
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| 关 键 词： | 拔销器 螺纹咬死 控制 |
Analysis and Prevention of Retracting Actuator Screw Thread Galling |
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| Xu Han-zhong,Wang Yin-hu,Lyu Meng,Zhou Nan,Jiao Sheng-hai. Analysis and Prevention of Retracting Actuator Screw Thread Galling[J]. Missiles and Space Vehicles, 2020, 6(1): 118-122. DOI: 10.7654/j.issn.1004-7182.20200121 |
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| Authors: | Xu Han-zhong Wang Yin-hu Lyu Meng Zhou Nan Jiao Sheng-hai |
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| Affiliation: | (Beijing Institute of Space Long March Vehicle,Beijing,100076) |
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| Abstract: | In order to solve the problem of screw thread galling when retracting actuator is assembled,the mechanism of screw thread galling is analyzed,a series of preventative measurements such as thread tolerances design、thread material choose、thread surface treatment and lubricant used are proposed and validated by experiments.Through this work,the problem of screw thread galling can be prevented and controlled during retracting actuator is assembled.This can improve the reliability and quality of product. |
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| Keywords: | retracting actuator screw thread galling quality control |
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