
SN EN 60068-2-57 : 2000
Current
The latest, up-to-date edition.

ENVIRONMENTAL TESTING - PART 2-57: TESTS - TEST FF: VIBRATION, TIME-HISTORY METHOD
12-01-2013
INTRODUCTION
1 Scope and object
2 Normative references
3 Definitions
4 General requirements
5 Requirements for testing
5.1 Vibration response investigation
5.2 Time-history testing
5.3 Mounting
6 Severities
6.1 Test frequency range
6.2 Required response spectrum
6.3 Number and duration of time-histories
6.4 Number of high peaks of the response
7 Preconditioning
8 Initial measurements
9 Testing
9.1 General
9.2 Vibration response investigation
9.3 Time-history testing
10 Intermediate measurements
11 Recovery
12 Final measurements
13 Information to be given in the relevant specification
Annex A (informative) Synthesis of the artificial time-
history: Guidance
Annex B (informative) Test frequency ranges
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications
Figure 1 - Flow chart for vibration, time-history
Figure 2 - Example of a typical response of an oscillator
excited by a specific time-history (specified
threshold value of 70%)
Figure 3 - Example of identification of the peaks of the
response higher than a specified (70%) threshold
value
Figure 4 - Typical envelope response spectrum
Figure 5 - Typical time-history
Figure 6 - Typical plot of a required response spectrum
Figure 7 - Category 1: recommended shape of a required
response spectrum in generalized form
Figure 8 - Category 2: recommended shape of a required
response spectrum in generalized form
Describes the basic environmental tests and procedures to determine, by the time-history method, the ability of a specimen to withstand specified severities of transient vibration. Covers general description, definitions, requirements for conditioning, severities, pre-conditioning, initial measurements, conditioning, intermediate measurements, recovery, final measurements and information to be given in the relevant specification.
DocumentType |
Standard
|
PublisherName |
Swiss Standards
|
Status |
Current
|
Standards | Relationship |
I.S. EN 60068-2-57:2013 | Identical |
BS EN 60068-2-57:2013 | Identical |
UNE-EN 60068-2-57:2001 | Identical |
DIN EN 60068-2-57 : 2015 | Identical |
EN 60068-2-57:2013 | Identical |
NF EN 60068-2-57 : 2013 | Identical |
IEC 60068-2-57:2013 | Identical |
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