ISO 18164 PDF

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 the textured drum surface, see B. Please download Chrome or Firefox or view our browser tips. Find Similar Items This product falls into the following categories. This is equivalent to a drag force in 1816 N. For most tyres, the sequence shown accomplishes this objective. Recommendations for warm-up periods are given in Annex B.

This measured value also includes the bearing losses of the tyre spindle and the aerodynamic losses of the tyre and the 188164. Measurement of tyres using 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 conditions.

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No part of the these publications may be reproduced in any 1816 without the prior permission in writing of BIS. The specific and respective values are shown in Annex C. The measured parameters are given below.

ISO – Estonian Centre for Standardisation

After the publication of this standard IS If this is not available, then the next wider rim may be chosen. A warm-up period of at least 90 min for capped pressure conditions and at least 30 min for regulated pressure conditions is required. We use cookies to make our website easier to use and to better understand your needs. Copyright BIS has the copyright of all its publications.

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The faster, easier way to work with standards. 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. This Indian Standard has been developed from Doc No.: Users of Indian Standards should ascertain that they are in possession of the latest amendments or edition by referring to the latest issue of ‘BIS Catalogue’ and ‘Standards: NOTE When the machine reading method is used to determine parasitic losses for the torque or power, the resulting rolling resistance includes aerodynamic losses of the tyre and wheel as well as the tyre-spindle friction.

Jhe number of significant places retained in the rounded off value should be the same as that of the specified value in this standard. Take the smart route to manage medical device compliance.

Accept and continue Learn more about the cookies we use and how to change your settings. Certain conventions are, however, not identical to those used in Indian Standards. This does not preclude the free use, in the course of implementing the standard, of necessary details, such as symbols and sizes, type or grade designations. You may experience issues viewing this site in Internet Explorer 9, 10 or Your basket is empty.

Unless otherwise noted, all aspects of the standard test conditions apply. Scheme Vlf M, V. For undated references, the latest edition of the referenced document including any amendments applies. Tyres [1 4] ISO For dated references, only the edition cited applies.

Range of approved rim contours [1 1 ] ISO Tyres [1 2] ISO This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3. The choice of an individual method is left to the tester. Standards are also reviewed periodically; a standard alongwith amendments is reaffirmed when such review indicates that no changes are needed; if the review indicates that changes are needed, it is taken up for revision. Tyres [6] ISO 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 to be tested.

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Tyres [4] ISO 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.

Rims [13] ISO If spindle force is recorded for forward and reverse directions at each test conditioncompensation is achieved by subtracting the “reverse” value from the “forward” value and dividing the result by two. A warm-up period of at least 30 min at the test speed is required.

BS ISO 18164:2005

Pneumatic tyres 3 Iwo and definitions For the purposes of this document, the terms and definitions given in ISO and the following apply. Tyre load ratings [7] ISO Tyre dimensions and load-carrying capacities [1 0] ISO Rims [1 5] ISO This International Standard applies to ail passenger car, truck, bus and motorcycle tyres.

If such information is desired, the options indicated in 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.

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