
JJF(建材)144-2018
商用车制动器惯性试验台校准规范
Calibration Specification for Inertia dynamometer Test Machines for Commercial Vehicle Brake
2018-12-01 实施
2018-10-22发布
目录
引言......................................................(1)
1 范围...................................................(1)
2 引用文件.......................................................(1)
3 概述.................................................................(1)
4 计量特性.......................................................(2)
5 校准条件...............................................(2)
5.1 环境条件.....................................................(2)
5.2 校准仪器.....................................................(2)
6 校准项目和校准方法.............................................(2)
6.1 校准项目.....................................................(2)
6.2 外观检查..............................................(3)
6.3 试验机主轴转速的校准...............................................(3)
6.4 试验机制动管路压力的校准............................................(3)
6.5 制动对偶温度的校准,.......................................(4)
6.6 试验机测试扭矩的校准...............................................(5)
7 校准结果,...................................................(6)
8 复校时间间隔..........................................................(6)
附录A 校准记录及校准证书内页格式 ...................................(8)
附录 B 商用车制动器惯性试验台转速测量的不确定评定实例.................(10)
附录C 商用车惯性试验台制动管路压力的测量不确定评定实例 ................(13)
附录D 商用车制动器惯性试验台温度测量的不确定评定实例..............(16)
附录E 商用车制动器惯性试验台扭矩测量的不确定评定实例 ................(18)