MIL-STD-202H.pdf - 第191页

MI L - S TD - 202 -2 1 3 F O R E W O R D 1. T his standard is a p pr ov ed f or us e by al l D e par t m ent s a nd A genc i es of t he D e par t m en t of Def ense. 2. T his entire stan dar d has bee n r ev i s ed. T hi…

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INCH-POUND
MIL-STD-202-213
18 April 2015
SUPERSEDING
MIL-STD-202G
w/CHANGE 2 (IN PART)
28 June 2013
(see 6.1)
DEPARTMENT OF DEFENSE
TEST METHOD STANDARD
METHOD 213, SHOCK (SPECIFIED PULSE)
AMSC N/A FSC 59GP
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MIL-STD-202-213
FOREWORD
1. This standard is approved for use by all Departments and Agencies of the Department of Defense.
2. This entire standard has been revised. This revision has resulted in many changes to the format, but the most
significant one is the splitting the document into test methods. See MIL-STD-202 for the change summary.
3. Comments, suggestions, or questions on this document should be emailed to std202@dla.mil or addressed to:
Commander, Defense Logistics Agency, DLA Land and Maritime, ATTN: VAT, P.O. Box 3990, Columbus, OH
43218–3990. Since contact information can change, you may want to verify the currency of this address
information using the ASSIST Online database at https://assist.dla.mil.
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MIL-STD-202-213
CONTENTS
PARAGRAPH PAGE
FOREWORD…………………………………………………………. ii
1. SCOPE 1
1.1 Purpose………………………………………….……..…………. 1
2. APPLICABLE DOCUMENTS 1
2.1 Non-Government publications…………………………………. 1
3. DEFINTIONS 1
4. GENERAL REQUIREMENTS 1
4.1 Apparatus………………………………………….….........……. 1
4.1.1 Shock machine....................................................................... 1
4.1.1.1 Shock machine calibration …….............................................. 1
4.1.2 Instrumentation………….………………….………...…………. 1
4.1.2.1 Frequency response..………………..…….………...…………. 1
4.1.2.1.1 Frequency response measurement of the
complete instrumentation………..…..…….………...…………. 2
4.1.2.1.2 Frequency response measurement of auxiliary equipment.... 2
4.1.2.2 Transducer………..…..…….……….........................…………. 5
4.1.2.3 Transducer calibration………..................................…………. 5
4.1.2.4 Linearity………........................................................…………. 5
4.1.2.5 Transducer mounting……………………………………………. 5
4.1.3 Application of shock measuring instrumentation…………….. 5
4.2. Shock pulses …………………………..….….…………………. 5
4.2.1 Half-sine shock pulse……………..….…………………………. 5
4.2.1.1 The ideal half-sine pulse………..….………………..…………. 5
4.2.2 Sawtooth shock pulse…..….…………….…………..…………. 5
4.2.2.1 The ideal terminal-peak sawtooth…….…………..……………. 5
4.3. Procedure………………………………………..……..…………. 6
4.3.1 Basic design test ….…………….………………………………. 6
5. DETAILED REQUIREMENTS 7
5.1 Measurements …………………………………..………………. 7
5.2. Summary …………………..……………………..…..…………. 7
6. NOTES 7
6.1 Supersession data………………………………………………. 7
6.2 Cancelled Method …………………………………………….…. 7
FIGURES PAGE
1. Tolerances for half sine shock pulse………………………………….….. 2
2. Tolerances for terminal-peak sawtooth shock pulse. ……………….….. 3
3. Tolerance limits for measuring system frequency response…………… 4
TABLES PAGE
1. Test condition values………………………………………………….…… 6
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