GB/T 29042-2020 Translated English of Chinese Standard. (GBT29042-2020): Thresholds and grading of rolling resistance for motor vehicle tyres [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 6. jún. 2020 - 9 síður This Standard specifies terms and definitions for thresholds and grading of rolling resistance for motor vehicle tyres, requirements and test methods for thresholds and grading of rolling resistance coefficient. This Standard applies to new radial tyres for passenger cars and new radial tyres for miniature and light trucks and new radial tyres for trucks. However, it does not include: tyres whose nominal diameter of rims is not greater than 10 inches and nominal diameter of rims is not less than 25 inches; T-type spare tyres for temporary use only; ST metric tyres for road-type trailers, and radial tyres with high throughput for light trucks; truck tyres with a speed capacity of less than 80 km/h (excluding); racing tyres, studded tyres and special off-road tyres. |
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Common terms and phrases
121 and speed 4.4 Determination calibration tyres coefficient for miniature coefficient for passenger coefficient for tyres comparison laboratory Convert the rolling cut-off value Convert diameter of rims grading cut-off values grading of rolling greater than 121 light truck tyres load index greater miniature and light motor vehicle tyres N/kN off-road tyre passenger car tyres pattern unsaturation provisions of GB/T radial tyres requirements of rolling resistance coefficient RRC)/(N/kN resistance coefficient thresholds resistance coefficient value resistance for motor resistance test benchmark rolling resistance coefficient rolling resistance test Rubber China Shandong single tyre load speed class Standard Terms and definitions test benchmark laboratory Test methods Test of rolling tested tyre threshold cut-off value threshold requirements Thresholds and grading Thresholds of rolling tyre load index tyre rolling resistance tyre Tyres tyres and miniature tyres and truck tyres during consistency tyres or truck tyres shall meet Tyres whose rolling tyres whose single values of rolling Wang