滑移门止动弹簧松动异响研究
龚魏伟1，迟克喜1，秦亚伟2
（1.上汽通用五菱汽车股份有限公司 青岛分公司，山东 青岛 255666；2.TSC海洋石油装备有限公司 技术研发分公司，山东 青岛 266061）
摘要：某新型微型车滑移门止动弹簧在多次开关滑移门后发生塑性变形，失去弹性，止动弹簧变形造成滑移门开关过程中发出异响。对异响的感知质量问题原因进行了调查。在研究过程中通过抽样分析材料成分及力学性能，简化止动弹簧为片弹簧的结构模型加以计算，对片弹簧进行应力分析，并对实验结果与计算结果对比，在充分考虑满足用户推动滑移门到止动位置操作力小的需求下，提出建议选用调质状态作为止动弹簧材料的热处理状态，同时减小止动弹簧厚度，可以解决弹簧异响问题。
关键词：止动弹簧；松动异响；感知质量；片弹簧应力模型
中图分类号：U260.331+.4 文献标志码：B 文章编号：1006－0316 (2013) 09－0071－03
Research of abnormal noise caused by stop spring of sliding door
GONG Wei-wei1，CHI Ke-xi1，QIN Ya-wei2
( 1.SAIC GM Wuling Automoile Co. Ltd, Qingdao Branch, Qingdao 255666, China; 2.Technical Research & Development Branch, TSC Offshore Petroleum Equipment Co. Ltd, Qingdao 266061,China )
Abstract：Plastic deformation of the stop spring in sliding door of a mini bus happened after several times use. And thus abnormal noise was generated during the process of opening and closing the sliding door. Sensitivity quality problem of abnormal noise was researched. Material and mechanical properties were analyzed by random sampling. Solution was provided through stress analysis of the stop spring that was simplified to a model of leaf spring. Calculation results were compared with test results. Considering pulling force of operator acted on the sliding door as small as possible, quenching and tempering of the spring material and reduction of thickness of the stop spring are advised to be good solutions for abnormal noise of stop spring.
Key words：stop spring；abnormal loosing noise；sensitivity quality；leaf spring model
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收稿日期：2012－09－29
作者简介：龚魏伟（1983－），男，江苏海门人，本科，工程师，主要从事车体及附件的设计研发工作；迟克喜（1981－），男，山东即墨人，本科，助理工程师，主要从事车身制造工艺开发工作。
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