BS EN 15328:2020+A1:2024

$215.11

Railway applications. Braking. Brake pads

Published By	Publication Date	Number of Pages
BSI	2024	92

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Category: BSI

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PDF Catalog

PDF Pages	PDF Title
2	undefined
10	1 Scope 2 Normative references
11	3 Terms and definitions
12	4 Symbols and abbreviations
13	5 Characteristics and test method of the brake pads 5.1 Classification of brake pads 5.2 Coefficient of friction 5.3 Environmental impact, health and safety 5.4 Usage requirements 5.5 Frictional requirements for brake pads 5.5.1 General
14	5.5.2 Priority levels of brake applications 5.5.3 Criteria for the nominal line 5.5.4 Criteria for the mean coefficient of friction
15	5.5.5 Criteria for continuous brake applications 5.5.6 Criteria for bedding brake applications
16	5.6 Requirements and optional test programs for brake pads for coaches 5.6.1 General 5.6.2 Tolerance ranges 5.6.3 Criteria for continuous brake applications 5.6.4 Criteria for bedding brake applications 5.6.5 Coefficient of friction under high thermal load 5.6.6 Coefficient of friction under wet conditions
17	5.7 Geometrical features of the brake pads 5.7.1 Brake pad shape 5.7.2 Brake pad wear 5.7.3 Brake pad fixing 5.8 Mechanical, physical and chemical characteristics
19	5.9 Thermal and mechanical requirements 5.10 In-service assessment 5.11 Marking of brake pads 5.12 Dynamometer tests
20	5.13 Conditions for classification tests 5.13.1 Classification scheme for locomotives, MUs, high-speed trains, freight wagon and coaches
22	5.13.2 Optional classification scheme for coaches 5.13.3 Validity of assessment 5.13.4 Scope of classification 5.14 Interchangeability of brake pads
23	Annex A (normative)Generic conditions for the execution of test programs A.1 General A.2 Response time A.3 Weighing A.4 Interruption of test sequence A.5 Temperatures A.6 Brake applications under wet conditions
24	A.7 Conditioning of brake discs A.7.1 General
25	A.7.2 Conditioning program A.7.3 Roughness measurement A.8 Bedding-in of brake pads
26	A.9 Methods of temperature measurements A.10 Mean friction radius A.11 Rotation and ventilation conditions
27	Annex B (normative)Test programs for classes A1 to G1 B.1 Test program: brake pads of class A1
29	B.2 Test program: brake pads of classes B1 and C1
34	B.3 Test Program: brake pads of classes B2 and C2
39	B.4 Test program: brake pads of class C0
41	B.5 Test program: brake pads of class C3
44	B.6 Test program: brake pads of class D1
47	B.7 Test program: brake pads of class D2
51	B.8 Test program: brake pads of class E1
53	B.9 Test program: brake pads of class F1
57	B.10 Test program: brake pads of classes F2 and G1
59	B.11 Test program: brake pads of class F3
62	B.12 Assessment of static friction coefficient
63	Annex C (normative)Test programs for coaches C.1 Test program S1.1 (vmax = 200 km/h – organic brake pads)
66	C.2 Test program S2.1 (wet test) C.3 Instantaneous coefficient of friction for test program S1.1, S2.1, T1 and T2
67	C.4 Mean coefficient of friction for test programs S1.1, S2.1, T1 and T2
68	C.5 Test program T1 (vmax = 200 km/h – sintered brake pads)
71	C.6 Test program T2 wet test (sintered brake pads)
72	Annex D (normative)Documentation of brake tests
74	Annex E (normative)Generic test programs for locomotives, MUs and high speed trains E.1 Use of the generic test programs E.2 Locomotives and MUs E.2.1 Test parameters
77	E.2.2 Brake steps
78	E.2.3 Masses E.2.4 Continuous brake applications E.3 High speed trains E.3.1 Test parameters
80	E.3.2 Brake steps
81	E.3.3 Masses E.3.4 Brake forces for high-speed brake applications
82	E.3.5 Power for continuous brake applications
83	Annex F (normative)Brake pads shapes and envelopes F.1 General F.2 Preferred space envelope for SBP 200 cm2
84	F.3 Preferred space envelope for SBP 175 cm2
85	F.4 Space envelope for SBP 200 cm2 F.5 Maximum Space envelope for SBP 175 cm2
86	Annex G (normative)Drawings for dove tails
88	Annex H (informative)In-service test H.1 Test requirements H.2 Mechanical requirements
89	H.3 Thermal requirements
90	Annex I (informative)Example of the declaration of conformity