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BSI PD CEN/TS 15427-2-2:2021

$167.15

Railway applications. Wheel/Rail friction management – Properties and Characteristics. Top of Rail materials

Published By Publication Date Number of Pages
BSI 2021 42
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This Technical Specification specifies the requirements of materials intended to be applied to the interface between the wheel tread and the rail crown (active interface). It can be applied either directly or indirectly to the wheel tread or rail. It outlines the information required for most approval procedures, the method of testing and routine control/monitoring of the material. This Technical Specification does not deal with adhesion materials, for example: – sand – adhesion enhancers

PDF Catalog

PDF Pages PDF Title
2 undefined
8 1 Scope
2 Normative references
10 3 Terms and definitions
12 4 Material requirements
5 General requirements
5.1 Introduction
5.2 Product specification
13 5.3 Technical file
6 Control and monitoring of product
6.1 Manufacturing process
6.2 Composition of material
6.3 Routine tests
6.4 Additional measures
7 Technical datasheet
7.1 General
14 7.2 Grease type material characteristics
7.3 Liquid type material characteristics
7.4 Solid type material characteristics
8 Tests
8.1 Explanation of Annex A: Tables A.1 to A.4
8.2 Key to Annex A table columns
15 8.3 Key to Annex A table column ‘Use’
9 Packaging, labelling and storage
16 Annex A (normative)Requirements for top of rail materials and testing
23 Annex B (informative)Determination of the volatile constituents in greases
B.1 Purpose
B.2 Short description
B.3 Conditions for testing
B.3.1 Test conditions
B.3.2 Required testing and measuring equipment
B.4 Test process
B.4.1 Preparation of test
24 B.4.2 Performance of test
B.4.3 Evaluation
B.5 Recording of test results
25 Annex C (informative)Functional test on specific equipment
C.1 General
C.2 Sprayability of liquid TOR materials
C.2.1 Purpose
C.2.2 Short description
C.2.3 Conditions for testing
C.2.3.1 Test conditions
C.2.3.2 Required testing and auxiliary equipment
26 C.2.3.3 Devices/equipment
C.2.4 Test process
C.2.4.1 Preparation of test
C.2.4.2 Performance of test
C.2.4.3 Evaluation and reporting of test
27 Annex D (informative)Twin-disc machine Retentivity and Coefficient of Traction test
D.1 Purpose
D.2 Description
D.3 Conditions for test
D.3.1 Test conditions
D.3.2 Twin discs
28 D.3.3 Performance of the Test
D.3.4 Evaluation of the Test
30 Annex E (informative)Twin-disc machine test for determining Creep force vs Creep rate curve (for solid sticks comparable to MTM machine test)
E.1 Purpose
E.2 Description
31 E.3 Conditions for test
E.3.1 Test conditions
E.3.2 Twin discs
E.3.3 Test Process Example
32 E.3.4 Evaluation of the Test
34 Annex F (informative)MTM machine creep curve test
F.1 General
F.1.1 Purpose
F.1.2 Description
F.2 Test equipment
35 F.3 Application of TOR material to metal disk
37 F.4 Performance of the Test
38 F.5 Evaluation of the Test
BSI PD CEN/TS 15427-2-2:2021
$167.15