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电动汽车市场对测量和量化零部件中所安装的紧固件的防水性能的需求在迅速增加。该测量值已成为客户极为看重一种的性能特征,这一点在电动汽车电池应用中表现地更加明显。
虽然目前的国际标准要求进行测试以测量水密接头的泄漏率,但很多测试方法却难以整合到生产流程中,也无法提供准确、可重复、定量的测试结果。
由于存在此类测试挑战,PROFIL®欧洲团队设计并部署了一种新的泄漏测试技术。该测试不仅执行速度快,而且能进行精密的测量和统计分析——优势远远超过其他行业测试方法。此外,该测试也能轻松整合到批量生产和现有的质量管理体系中。
真空泄漏检测技术简介
真空泄漏检测方法以氦气作为试验气体,验证PROFIL®机械连接紧固件(MAF)的水密性。该过程的反应时间快,甚至能测量低至10-9 mbar∙l/s的最小泄漏率。
氦气泄漏率可以与IP等级关联——IP67级是此类应用的常见要求——而且提供的测试方法比用水测试更为科学。
该测试可以验证用于不同面板厚度和各种材料(包括铝和钢)的紧固件是否具备可靠的防漏密封性能。此外它还能灵活测试不同尺寸和应用中的零件,如车身底部、车身上部、闭合件、底盘、座椅和电池外壳。
Global Collaboration
PROFIL®欧洲团队是首个应用该技术的团队,其还给PROFIL®北美和PEM®戈尔韦的客户做了初次测试。由于客户需求在不断增长,我们的团队也扩大了测试能力,并在多个站点将该技术作为全球标准来部署。
为加快全球部署,PROFIL®欧洲向PROFIL®北美和PEM®戈尔韦团队提供了启动设备和软件。我们也在所有站点的协作下,不断优化内部标准。
面向未来
作为一家全球化公司,共享创新成果是让我们在行业保持竞争优势的最重要的组织优先事项之一。感谢多个团队在PennEngineering®不断推进并实施我们的创新方法和最佳实践,为我们成为世界领先紧固件公司的愿景助力、赋能。如需详细了解我们推出的电动车应用真空泄漏测试方法,请立即与我们的工程师联系。