ISO 19940:2017
ISO 19940:2017 Tyre stiffness index testing procedure for passenger car extended mobility and run flat tyres
CDN $195.00
Description
ISO 19940:2017 specifies the testing method for determining the tyre stiffness index of passenger car tyres for the products capable of supplying the vehicle with the basic tyre functions, at least, at a speed of 80 km/h (50 mph) and a distance of 80 km when operating in flat tyre running mode, as per ISO 16992.
This method is meant to determine the above mentioned index, for the characterization of the expected tyre’s stiffness through its air and structural components.
To reach the target, the vertical force and the vertical deflection, in the sense of absolute position in Z direction under different operating conditions, are measured (approximated in case of zero inflation pressure) and combined through the metrics defined in this document.
This method is not intended to be used for conventional tyres.
Edition
1
Published Date
2017-11-22
Status
PUBLISHED
Pages
13
Language
English
Format
Secure PDF
Secure – PDF details
- Save your file locally or view it via a web viewer
- Viewing permissions are restricted exclusively to the purchaser
- Device limits - 3
- Printing – Enabled only to print (1) copy
See more about our Environmental Commitment
Abstract
ISO 19940:2017 specifies the testing method for determining the tyre stiffness index of passenger car tyres for the products capable of supplying the vehicle with the basic tyre functions, at least, at a speed of 80 km/h (50 mph) and a distance of 80 km when operating in flat tyre running mode, as per ISO 16992.
This method is meant to determine the above mentioned index, for the characterization of the expected tyre's stiffness through its air and structural components.
To reach the target, the vertical force and the vertical deflection, in the sense of absolute position in Z direction under different operating conditions, are measured (approximated in case of zero inflation pressure) and combined through the metrics defined in this document.
This method is not intended to be used for conventional tyres.
Previous Editions
Can’t find what you are looking for?
Please contact us at:
Related Documents
-
ISO 612:1978 Road vehicles – Dimensions of motor vehicles and towed vehicles – Terms and definitions
CDN $195.00 Add to cart -
ISO 16520:2025 Tourism and related services – Restaurants and catering – Vocabulary
CDN $195.00 Add to cart -
ISO 80004:2011 Nanotechnologies – Vocabulary – Part 5: Nano/bio interface
CDN $86.00 Add to cart -
ISO 8384:2019 Ships and marine technology – Dredgers – Vocabulary
CDN $86.00 Add to cart
