INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 General
5 Order of testing
6 Reference information required by the test house
6.1 Method of mounting and orientation of equipment
under test
6.2 Reference and control points
6.2.1 Fixing point
6.2.2 Control point
6.2.3 Reference point
6.2.4 Response point (measuring points)
6.3 Mechanical state and functioning during test
6.3.1 Mechanical state
6.3.2 Functional tests
6.3.3 Performance tests
6.4 Reproducibility for random vibration tests
6.4.1 Acceleration spectral density (ASD)
6.4.2 Root Mean Square Value (r.m.s.)
6.4.3 Probability density function (PDF)
6.4.4 Duration
6.5 Measuring tolerances
6.6 Recovery
7 Initial measurements and preconditioning
8 Random vibration test conditions
8.1 Test severity and frequency range
8.2 Duration of functional vibration tests
8.3 Functioning during test
9 Simulated long life testing at increased random
vibration levels
9.1 Test severity and frequency range
9.2 Duration of accelerated vibration tests
10 Shock testing conditions
10.1 Pulse shape and tolerance
10.2 Velocity changes
10.3 Mounting
10.4 Repetition rate
10.5 Test severity, pulse shape and direction
10.6 Number of shocks
10.7 Functioning during test
11 Transportation and handling
12 Final measurements
13 Acceptance criteria
14 Report
15 Attestation of testing
16 Disposal
Annex A (informative) Explanation of service measurements,
measuring positions, methods of
recording service data, summary of
service data, and method used to
obtain random test levels from
acquired service data
Annex B (informative) Guidance for deriving design levels
from random vibration test data
Annex C (informative) Figure identifying general location
of equipment on railway vehicles and
their resulting test category
Annex D (informative) Example of type test attestation
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications