GB/T 19389-2016 Translated English of Chinese Standard (GBT 19389-2016, GB/T19389-2016, GBT19389-2016): Test Method of Measuring Rolling Circumference for Truck Tyres
https://www.chinesestandard.net, 23. jun. 2017 - 15 sider
This Standard specifies, under the load condition of truck tyre, two test methods to measure the rolling circumference and revolution per unit distance (kilometer). This Standard is applicable to all new truck tyres.
Appendix A Normative Test Device Tolerance
diameter tolerance drive shaft driving rotary drum drum with specified Edition empirical formula GB/T Guangzhou including non-full-turn including the non-full-turn index of 122 inflation pressure linear interpolation load specified maximum single-tire load Method of Measuring method see Sub-clause number of pulses provisions of Sub-clause radial tyres radius of rotary revolution of tyre rim assembly rolling circumference Cr rolling circumference measured rolling circumference value rotary drum diameter rotary drum method single-tire load index specification and model specified diameter specified in Sub-clause speed of tyre speed symbols standard measuring rim stipulated in Sub-clause Sub-clause 4.4 Terms and Definitions test ambient temperature Test Method test report test rim test road test speed test tyre test vehicle thermal equilibrium tolerance of rotary trial running Truck Tyres tyre and rim tyre and rotary tyre manufacturer tyre per unit tyre rolling circumference tyre vertically presses tyre with single-tire tyre with speed vehicle method wind speed