BSI PD ISO PAS 22596:2022

$189.07

Road vehicles. Brake lining friction materials. Dynamometer metal pick-up generation procedure for disc brakes

Published By	Publication Date	Number of Pages
BSI	2022	46

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Categories: 43.040.40 - Braking systems, BSI

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PDF Catalog

PDF Pages	PDF Title
2	National foreword
7	Foreword
8	Introduction
9	1 Scope 2 Normative references 3 Terms and definitions
11	4 Symbols and abbreviated terms 4.1 Symbols 4.2 Abbreviated terms 5 Test conditions and test preparation 5.1 Inertia for the brake testing
12	5.2 Pressure ramp rate 5.3 Maximum pressure 5.4 Sampling rate 5.5 Initial brake temperature 5.6 Brake temperature measurement 5.7 Cooling air conditioning 5.8 Cooling air velocity or volume 5.9 Exhaust conditions 5.10 Conditioning settings for temperature and absolute humidity (humidity ratio)
13	5.11 Dynamometer rotational speed between brake applications 5.12 Orientation of brake set-up
14	5.13 Direction of air relative to the brake set-up 5.14 Wear measurement 5.15 Disc lateral run-out 5.16 Caliper, disc or drum and pads condition 5.17 Hot brake applications 5.18 Water specification 5.19 Specification of nozzles for water spraying 5.20 Saltwater specification 5.20.1 Recommended solution
15	5.20.2 Alternative solutions 5.20.3 Other solutions 5.21 Noise and vibration (NVH) measurements 5.22 Data collection
16	6 Test procedures 6.1 Basic information 6.2 Test procedure: “heat and pressure MPU”
17	6.3 Test procedures “water and saltwater MPU” 6.3.1 Procedure 1 (core or early development testing)
18	6.3.2 Procedure 2 (DVP procedure; can also be used in vehicle testing)
22	6.4 Test procedure for “low load and pressure”
23	7 Test report 7.1 General 7.2 Test conditions 7.2.1 Disc and lining identification 7.2.2 Disc surface characterisation 7.2.3 Photographs of the setup 7.2.4 Photographs of the test parts
24	7.2.5 Documentation of pad MPU number and area
25	7.2.6 Documentation of disc surface profile
27	7.2.7 Acceptance criteria
28	7.3 Graphical report
29	7.4 Cooling air conditions and water spraying 7.5 Tabular data for each brake application 7.6 Wear measurement; pad and disc appearance
30	Annex A (informative) MPU shapes
32	Annex B (informative) Template proposal
41	Annex C (informative) Reference calculation for cooling air speed and flow
43	Annex D (informative) Specification of salt for “water and salt MPU”
44	Bibliography