ISO 20238:2018
Conveyor belts — Drum friction testing
ISO 20238:2018 specifies a method of testing to determine the propensity of a conveyor belt to generate heat flame or glow when held stationary, under a given tension, in surface contact around a rotating driven steel drum.
ISO 20238:2018 describes means of varying the conveyor belt tension.
NOTE For conveyor belts containing steel reinforcement, it may not be possible to conduct this test in full due to the inability of the conveyor belt to comply with the requirements of 7.2. In this case, premature termination according to 7.3 can be necessary.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Test piece
7 Procedure
7.1 General
7.2 Procedure and test
7.2.1 Selection of test method
7.2.2 Method A — Tests in still air
7.2.3 Method B — Tests in moving air
7.3 Premature termination
8 Test report
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Test piece
7 Procedure
7.1 General
7.2 Procedure and test
7.2.1 Selection of test method
7.2.2 Method A — Tests in still air
7.2.3 Method B — Tests in moving air
7.3 Premature termination
8 Test report