ДСТУ EN 60068-2-81:2022 Испытания на воздействие окружающей среды. Часть 2-81. Испытания. Испытание Ei. Удар. Синтез спектра реакции на удар (EN 60068-2-81:2003, IDT; IEC 60068-2-81:2003, IDT)

ДСТУ EN 60068-2-81:2022
(EN 60068-2-81:2003, IDT; IEC 60068-2-81:2003, IDT)

Випробування на вплив зовнішніх чинників. Частина 2-81.
Випробування. Випробування Ei. Удар. Синтез спектра реакції на удар

 
   
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

1 Scope

2 Normative references

3 Terms and definitions

4 Requirements for test apparatus

4.1 Basic motion

4.2 Cross-motion

4.3 Signal tolerance

4.4 Measuring system

5 Requirements for testing

5.1 Test control

5.2 Tolerances on SRS

5.3 Calculation of test SRS

5.4 Algorithms for calculation of SRS

5.5 Test frequency range

5.6 Mounting

6 Severities

6.1 Required SRS

6.2 Duration of the synthesized time-history

6.3 Number of repetitions

6.4 Test frequency range

6.5 Number of high peaks in a calculated response time-history of a single-degree-of-freedom system

7 Preconditioning

8 Initial measurements

9 Testing

9.1 General

9.2 Vibration response investigation

9.3 Synthesis of the test time-history

9.4 Testing with synthesized test time-histories

10 Intermediate measurements

11 Recovery

12 Final measurements

13 Information to be given in the relevant specification

14 Information to be given in the test report

Annex A (informative) Test time history - General background information

Annex В (informative) Parameters for use in synthesizing a test time-history

Annex C (informative) How to synthesize a test time-history

Annex D (informative) Recommended frequency ranges for test SRS

Annex ZA (normative) Normative references to international publications with their corresponding European publications

Bibliography