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汽车整车淋雨试验中注意的问题


2019-11-14


汽车整车淋雨试验中要注意以下几个问题:

1. 冬天使用时,夜间气温较低,需将总阀门关闭,将所有放水阀门打开,将淋雨试验台中的余水放净。

2.jn体育江南 吸水池中沉淀物要定期清除,滤网上的污垢要洗刷干净,以免影响淋雨试验台的降雨强度和喷嘴的喷射压力。

3. 汽车整车淋雨试验喷嘴要经常检查,如发现堵塞,可拆卸清洗后再用。

汽车整车淋雨试验标定方法

1. 汽车整车淋雨试验项目:检查前后风窗玻璃与钣金连接处是否漏水;行李箱、四门与车身之间是否漏水;门窗与玻璃配合间隙处是否漏水;前后围与车身结合处是否漏水;尾灯与车身连接处是否漏水;检查前仓内的工艺堵盖是否漏水;如有天窗,检查天窗处是否漏水。

jn体育江南

2. 标定工具:雨量器(0~10cm),电子秒表(0~60min),顶部接受装置和侧部接受装置。

3. 标定方法:环境温度湿度无特殊要求。将淋雨校准装置安装组合完毕。将顶面淋雨接收装置和侧面淋雨接收装置安放在支架上,将支架安放在淋雨线传动链条上。侧面接收装置开口部分朝向喷头方向,引流口位于侧面接收装置上方。

起动jn体育江南 系统,待喷淋开始3min后起动传动链条,待淋雨量测量装置一半进入雨中开始计时,淋雨量测量装置一半离开雨中计时结束。将顶部淋雨接收装置的降水转移到玻璃容器内,并用标准雨量筒进行测量,根据测得数据计算出侧面的淋雨强度。重复测量三次,分别记录三次顶部降雨强度和侧面降雨强度。

jn体育江南 检测线是汽车产品质量检验专用设备,主要用于汽车整车车身防雨密封性检验,是整车出厂检测的重要组成部分。为了适应汽车整车生产线的生产节拍(85s)及淋雨检测的可靠性,尚测采用双板链输送式淋雨线结构的方法,有效提升汽车整车生产线节拍。

岳信-专注于淋雨试验机的研发和生产,期待与您的每一次沟通。

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