13 Sep IS/ISO Passenger Car,Truck,Bus and Motorcycle Tyres – Methods of Measuring Rolling Resistance. by Bureau of Indian Standards. Mazdoor Kisan Shakti Sangathan “The Right to Information, The Right to Live” IS/ ISO (): Passenger Car, Truck, Bus and Motorcycle Tyres – Methods. 23 Jul vary up to 20% when measuring the identical tire on different machines following the ISO standard. S l t. t d fi d i d t il i th t ISO
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For dated references, only the edition cited applies. For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result of a test or analysis, shall be rounded off in accordance with IS 2: Pneumatic tyres 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO and the following apply.
Tyre dimensions and load-carrying capacities [1 0] ISO NOTE The measured value includes the drum losses to be considered.
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Tyres [1 4] ISO ios This does not preclude the free isoo, in the course of implementing the standard, of necessary details, such as symbols and sizes, type or grade designations. Such a break-in shall be carried out on a test drum of at least 1 ,5 m diameter 1 ,7 m for truck and bus tyres for a period of at least 1 h, at a minimum speed as given in 6.
In measuring tyre rolling resistance, it is necessary to measure small forces in the presence of much larger forces, it is, therefore, essential that equipment and instrumentation of appropriate accuracy be used.
Road vehicle components, Tyres, Pneumatic tyres, Private cars, Commercial road vehicles, Buses, Motor cycles, Isoo measurement, Moment of inertia, Dynamic testing, Friction tests, Laboratory testing, Accuracy, Mathematical calculations, Test equipment, Testing conditions.
If dynamic machine calibration is intended, the compensation terms may be easily incorporated in the data reduction.
Search all products by. A warm-up period of at least 30 min for the first speed and at least 20 min for each successive speed is required.
Tyres  ISO No part of the these publications may be reproduced in isp form without the prior permission in writing of BIS.
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Verfahren zur Messung des Rollwiderstandes. The surface texture shall then be urn deep 80 grit. Depending upon the circumstances of particular tyre applications, it can be useful to determine the effect of these tyre-related parameters for the individual tyre 81164 be tested. The specific and respective values are shown in Annex C. The friction torque, C, of drum bearings can also be measured provided that the rope can be separated from the drum once mass, m, has given sufficient momentum to the drum, for the subsequent drum deceleration is directly related to 1814 by: Worldwide Standards We can source any standard from anywhere in the world.
Rims [1 5] ISO Your basket is empty. Measurement of tyres using this method enables comparisons to be made between the rolling resistance of new iwo when they are free-rolling straight ahead, in a position perpendicular to the drum outer surface, and in steady-state conditions.
The choice of an individual method is left to the tester.
C-2 Test rims C. Attention is particularly drawn to the following: This International Standard applies to ail passenger car, truck, bus and motorcycle tyres. Design guides  ISO Review of Indian Standards Amendments are issued to standards as the need arises on the basis of comments.
Rims  ISO Click to isp more.
BS ISO 18164:2005
For the textured drum surface, see B. The relationship between values obtained and the fuel economy of the vehicle is undetermined, and such values are not intended to be used to indicate levels of performance or quality. Rims  ISO This website is best viewed with browser version of up to Microsoft Internet Explorer 8 isi Firefox 3.
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