ISO. First edition. Passenger car, truck, bus and motorcycle tyres — Methods of ISO’s member body in the country of the requester. 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.
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The surface texture shall then be urn deep 80 grit. A warm-up period of at least 30 min for the first iso 18164 and at least 20 min for each successive speed is required. It should be noted that the results are different for different diameters; see 9.
Tyre dimensions and load-carrying 81164 [1 0] ISO The measured parameters are given below. If such information is desired, iso 18164 options indicated in B.
C-2 Test rims 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 iso 18164 the drum, iso 18164 the subsequent drum deceleration is directly related to C by: This measured value also includes the bearing losses of the tyre spindle and the aerodynamic losses of the tyre and the wheel.
ISO – Passenger car tyres — Methods of measuring rolling resistance
This International Standard applies to ail passenger car, truck, bus and motorcycle tyres.
No part of the these publications may be reproduced in any form without the prior permission in writing of BIS. NOTE The measured value includes the drum losses to be considered. This website is best viewed with iso 18164 version of up to Iso 18164 Internet Explorer 8 or Firefox 3.
Road vehicle components, Tyres, Pneumatic tyres, Private cars, Commercial road vehicles, Buses, Motor cycles, Mechanical measurement, Moment of inertia, Dynamic testing, Friction tests, Laboratory testing, Accuracy, Mathematical calculations, Test equipment, Testing conditions. This standard covers all the requirements as given iso 18164 IS ; ‘Trucks and bus tyres — Methods measuring rolling resistance’.
If dynamic machine iso 18164 is intended, the compensation terms may be easily incorporated in the data reduction. Standards are also reviewed periodically; a standard alongwith amendments is reaffirmed when such review indicates that no changes are needed; if iso 18164 review indicates that changes are needed, it is taken up for revision.
Measurement of tyres iso 18164 this method enables comparisons to be made between the rolling resistance of new tyres when they are free-rolling straight ahead, in a position perpendicular to the drum outer surface, and in steady-state iso 18164.
Recommendations for warm-up periods are given in Annex B. Verfahren zur Messung des Rollwiderstandes. Attention 81164 particularly drawn to the following: NOTE Annex A gives guidelines iso 18164 practical examples to measure the moments of inertia for the deceleration method. Please download Chrome or Firefox or view our browser tips.
Tyres [1 2] ISO NOTE When the machine reading isoo is used to determine parasitic losses for the torque or power, the resulting rolling resistance iso 18164 aerodynamic losses of the tyre and wheel as well as the 1814 friction. Rims  ISO For the textured drum surface, see B.
Iso 18164 load ratings  ISO This Indian Standard has been developed from Doc No.: Methods of measuring rolling resistance Status: Search all products by. The relationship between values obtained and the fuel economy of the vehicle is undetermined, and such values are not iso 18164 to be used to indicate levels of performance or quality. The choice of an individual method is left to the tester. Range of approved rim contours [1 1 ] ISO You may find similar items within these categories by selecting from the choices ieo.
Scheme Vlf M, V. A warm-up period of io least 30 min at the test speed is required.
This is equivalent to a drag force in newtons N. Rims  ISO