MIL-STD-202H.pdf - 第114页

MI L - S TD - 202 - 20 4 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…

INCH-POUND

MIL-STD-202-204

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 204, VIBRATION, HIGH FREQUENCY

AMSC N/A FSC 59GP

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MIL-STD-202-204

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-202-204

CONTENTS

PARAGRAPH PAGE

FOREWORD…………………………………………………………. ii

1. SCOPE 1

1.1 Purpose………………………………………….……..…………. 1

2. APPLICABLE DOCUMENTS 1

3. DEFINTIONS 1

4. GENERAL REQUIREMENTS 1

4.1 Mounting………………………………………….…...…………. 1

4.2 Test condition A (10g peak)…………………….………………. 1

4.2.1 Amplitude…………………………………………….…………… 1

4.2.2 Frequency range………………………………………..….……. 1

4.2.3 Sweep time and duration………………………….……………. 1

4.3 Test condition B (15g peak)……………………………….……. 1

4.3.1 Amplitude……………………………..…………………….……. 1

4.3.2 Frequency range…………………..……...……………….……. 1

4.3.3 Sweep time and duration………….……………………………. 2

4.4 Test condition C (10g peak)…………..………….....…………. 2

4.4.1 Part 1……………………………………………………………… 2

4.4.2 Part 2……………………………………………………………… 2

4.4.3 Resonance……………………………..………………………… 2

4.5 Test condition D (20g peak)……………………………….…… 2

4.5.1 Amplitude…………………………………………………………. 2

4.5.2 Frequency range…………………………………………………. 2

4.5.3 Sweep time and duration……………………………………..… 2

4.6 Test condition E (50g peak)……………………………………. 2

4.6.1 Amplitude……………………………………………………….… 2

4.6.2 Frequency range………………………………………………… 4

4.6.3 Sweep time and duration……………………………………….. 4

4.7 Test condition F (20g peak)…………………………………..… 4

4.7.1 Amplitude……………………………………………………….… 4

4.7.2 Frequency range………………………………………………… 4

4.7.3 Sweep time and duration……………………………………….. 4

4.8 Test condition G (30g peak)…………………………………..… 4

4.8.1 Amplitude……………………………………………………….… 4

4.8.2 Frequency range………………………………………………… 4

4.8.3 Sweep time and duration……………………………………….. 4

4.9 Test condition H (80g peak)…………………………………..… 4

4.9.1 Amplitude……………………………………………………….… 5

4.9.2 Frequency range………………………………………………… 5

4.9.3 Sweep time and duration……………………………………….. 5

4.10 Alternate procedure for use of linear in place of

logarithmic change of frequency……………………………….. 5

4.10.1 Example of alternate procedure……………………………..… 5

iii

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