Product Code:SAE J1801
Title:Brake Effectiveness Marking For Brake Blocks
Issuing Committee:Truck And Bus Foundation Brake Committee
Scope:This SAE Recommended Practice provides the method to assign numerical values of brake effectiveness, using data from single station inertia dynamometer effectiveness tests, and to identify a uniform procedure to mark these values on the edge of brake blocks in excess of 12.7 mm (0.51 in) in thickness.The edge markings are intended to provide relevant and meaningful data on the normal and hot effectiveness of brake blocks, using the reference full size brake assembly, to aid in the characterization of these brake block frictional properties.This edge marking methodology is intended to permit accurate identification of the effectiveness values over the full wear life of the brake block. This is accomplished by means of permanent markings on one edge of the brake block.

标准名称：	进出口烟花爆竹制品安全性能检验规范 第1部分：爆竹
发布部门：	国家质量监督检验检疫总局
发布日期：	2011-09-09
实施日期：	2012-04-01
首发日期：
作废日期：
出版社：	中国标准出版社
出版日期：	2012-04-01

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