机动车辆制动噪声试验推荐实施规程

[中文适用范围]： 本程序适用于常规运行条件下使用的乘用车和轻型卡车类车辆出现的尖叫类噪声。就本测试程序而言，尖叫声定义为在 900 至 18 000 Hz 之间发生。目的 本推荐的测试实践旨在建立一种通用@普遍认可的方法，用于执行一系列筛选测试序列，以确定制动组件在各种测试条件下产生尖叫噪声的倾向。 [外文原描述]： This procedure is applicable to squeal type noise occurrences for passenger car and light truck type vehicles that are used under conventional operating conditions. For the purposes of this test procedure, squeal is defined as occurring between 900 and 18 000 Hz.Cross Reference: J184_201408,J2521_201304,J2521_202210,J79