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ASTM F1046-21

Current Revision

Standard Guide for Preparing Artificially Worn Passenger and Light Truck Tires for Testing

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1.1 This guide outlines the preparation of artificially worn tires by tread rubber removal (cutting or grinding, or both) for subsequent performance testing. The purpose is to permit the preparation of test tires with a uniformly reduced tread groove depth and tread geometry that will yield repeatable test results while avoiding the time-consuming and costly over-the-road natural wearing of tires.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


5.1 Tires having reduced groove depth are required in some tire tests to determine changes in performance as a tire wears in service. This guide describes the preparation of artificially worn tires. This guide is not meant to replace the development of worn tires through over-the-road travel when naturally worn tires are required. Further refinements of these techniques may be made with increased field experience.

5.2 The amount of tread rubber to be removed (groove depth reduction) and the final surface texture are selected according to the requirements of a particular testing program.

5.3 The type of test program determines the actual tolerance necessary on the final groove depth. For example, snow traction will require very close control of the final groove depth while vehicle handling tests can accommodate a wider tolerance on the final groove depth.
SDO ASTM: ASTM International
Document Number F1046
Publication Date Sept. 1, 2021
Language en - English
Page Count 4
Revision Level 21
Supercedes
Committee F09.20
Publish Date Document Id Type View
Sept. 1, 2021 F1046-21 Revision
Oct. 10, 2001 F1046-01 Revision
May 1, 2015 F1046-01R15 Reaffirmation
Oct. 1, 2008 F1046-01R08 Reaffirmation
Oct. 10, 2001 F1046-93R97E01 Reaffirmation