BS ISO 9112:2008
Current
The latest, up-to-date edition.
Truck and bus tyres. Methods of measuring tyre rolling circumference. Loaded new tyres
Hardcopy , PDF
English
31-03-2008
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Drum method
5 Test method using vehicle
Annex A (informative) - Test equipment tolerances for
the drum method
Bibliography
Describes two methods for measuring the rolling circumference and the number of revolutions per unit distance (kilometre) of new commercial vehicle tyres, under loaded conditions, for use on trucks and buses.
| Committee |
AUE/4
|
| DevelopmentNote |
Supersedes BS AU50-1.2.2(1991). (03/2008) Supersedes 07/30162393 DC. (04/2008)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard specifies two methods for measuring the rolling circumference and the number of revolutions per unit distance (kilometre) of new commercial vehicle tyres, under loaded conditions, for use on trucks and buses.
The first method is a drum method consisting of loading a test tyre mounted on a free axle against a driven road wheel (or drum) of specified diameter. The second method involves a vehicle whose drive axle is equipped with the test tyres driven on a straight, paved road. The values thus obtained are not intended for use as levels of performance or quality.
This International Standard applies to all truck and bus tyres.
NOTE This International Standard applies not only to large truck and bus tyres, but also to small truck and bus tyres, which are called “light truck tyres” in some countries.
| Standards | Relationship |
| ISO 9112:2008 | Identical |
| ISO 4223-1:2002 | Definitions of some terms used in the tyre industry Part 1: Pneumatic tyres |
| ISO 4209-1:2001 | Truck and bus tyres and rims (metric series) — Part 1: Tyres |
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