标准号:ISO 21069-2-2008
中文标准名称:道路车辆.用辊式制动试验器对带有*大允许总质量大于3.5t的车辆制动系统的试验.第2部分:空气液压和纯液压制动系统
英文标准名称:Road vehicles - Test of braking systems on vehicles with a maximum authorized total mass of over 3,5 t using a roller brake tester - Part 2: Air over hydraulic and purely hydraulic braking systems
标准类型:T24
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:T24
国际标准分类号:43.040.40
适用范围:This part of ISO 21069 describes a procedure that generates comparable measurement results in roller brake testing, such that the efficiency of the service braking system can be assessed reliably wherever the roller brake tests are performed.The following items are covered in this part of ISO 21069:- symbols and definitions;- test methods;- test conditions;- test equipment required;- accuracy of test equipment;- data recording and calculation needed;- presentation of results;- assessment criteria for pass/fail.The procedure described in this part of ISO 21069 is not applicable to passenger cars.