NASM 1312-7-1997 紧固件试验方法7 振动.pdf

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1、NASM 1312-7-1997 紧固件试验方法7 振动_NASMl3 12-7 29 August 1997 ADOPTION NOTICE NASM13 12-7, “Fastener Test Methods Method 7 Vibration” was adopted on 29 August 1997 for use by the Department of Defense OD). Proposed changes by DoD activities must be submitted to the DoD Adopting Activity: Commander, Naval

2、Air Warfare Center Aircraft Division, Code 4141OOB120-3 Highway 547, Lakehurst, NJ 08733-5 100. DoD activities may obtain copies of this standard from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 191 1 1-5094. The private sector and other Government agen

3、cies may purchase copies from the Aerospace Industries Association, 1250 Eye Street W, Washington, DC 20005. NASM13 12-7 Should be used instead of MIL-STD-13 12-74 which was cancelled on 29 August 1997. Custodians: Navy - AS Air Force - 1 1 Army - AV Preparing activity: Navy - AS (Project No. 53GP-0

4、285-07) Review Activities: Navy - AS, SH Air Force - 1 1 Army - AV, AR DLA - IS COPYRIGHT Aerospace Industries Association of America, Inc. (AIA NAS)Licensed by Information Handling ServicesNATIONAL AEROSPACE STANDARD COPYRIGHT 1997 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, MC ALL RIGHTS RESERVED

5、 NASM13 12-7 STANDARD PRACTICE FASTENER TEST METHODS METHOD 7 VIBRATION LIST OF CURRENT SHEETS NO. NEW NEW NEW NEW NEW NEW NEW NEW REV. 8 7 6 5 4 3 2 1 53GP SHEET 1 OF 8 APPROVAL DATE AUGUST 1997 USE OF OR RELIANCE WON THIS DOCUMENT OR ANY AEROSPACE STANDARD IS ENTIRELY VOLUNTARY AIA DOES NOT QUALIF

6、Y SUPPLIERS OR CERTIFY CONFORMANCE OF ITEMS PRODUCED UNDER AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABILITY OF ITEMS FOR ANY PARTICULAR APPLICATION OR (2) THE EXISTENCE OF OR APPLICABILITY THERETO OF PATENT OR TRADEMARK RIGHTS. COPYRIGHT Aerospace Industries A

7、ssociation of America, Inc. (AIA NAS)Licensed by Information Handling Services STD*AIA/NAS NASN1312-7-ENGL L777 S 0338743 0.505027 TT7 NATIONAL AEROSPACE STANDARD COPYRIGHT 1997 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC ALL RIGHTS RESERVED NASM 13 12-7 FOREWORD This standard sets forth a stan

8、dard test method for determining the capability of externally threaded fasteners to withstand the accelerated vibration conditions on any fastener system capable of providing a clamp-up load. SHEET 2 APPROVAL DATE AUGUST1997 USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY AEROSPACE STANDARD IS ENTIRELY

9、 VOLUNTARY AIA WES NOT QUALIFY SUPPLIERS OR CERTIFY CONFORMANCE OF ITEMS PRODUCED UNDER AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABILITY OF ITEMS FOR ANY PARTICULAR APPLICATION OR (2) THE EXISTENCE OF OR APPLICABILITY THERETO OF PATENT OR TRADEMARK RIGHTS. COP

10、YRIGHT Aerospace Industries Association of America, Inc. (AIA NAS)Licensed by Information Handling ServicesNATIONAL AEROSPACE STANDARD COPYRIGHT 1997 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, MC ALL RIGHTS RESERVED NASMl3 12-7 Error! No table of contents entries found. TABLE OF CONTENTS 1 ,! Para

11、maph , Sheet 1.1 Applicabhty . 4 1. SCOPE . .,. . 4 . 2. REFERENCED DOCUMENTS . .4 3. DEFINITIONS . 4 4. GENERAL REQUIREMENTS. . .4 4.1 Test apparatus. . .4 4.1.1 Testing machine . .4 4.1.2 Test fixtures. . .4 4.1.2.1 Other fixtures. . .4 4.2 Test specimen (sample size) . .5 5. DETAL REQUIREMENTS. .

12、 .5 5.1 Test procedures . 5 6. NOTES. . .6 6.1 Test report . .: . .6 , FIGURE Figure Sheet 1. Vibration. fixture. . .7 I . I SHEET 3 APPROVAL DATE AUGUST1997 USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY AEROSPACE STANDARD IS ENTIRELY VOLUNTARY AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY CONFORMANCE OF

13、 ITEMS PRODUCED UNDER AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUlTABlLlTY OF ITEMS FOR ANY PARTICULAR APPLICATION OR (2) THE EXISTENCE OF OR APPLlCABlLlTY THERETO OF PATENT OR TRADEMARK RIGHTS. COPYRIGHT Aerospace Industries Association of America, Inc. (AIA NAS)

14、Licensed by Information Handling Services STD-AIAINAS NASML312-7-ENGL L797 O3I87Y3 0505029 871 NATIONAL AEROSPACE STANDARD COPYRIGHT 1997 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC , ALL RIGHTS RESERVED NASM 13 12-7 1. SCOPE 1.1. Applicabilitv. This method establishes a standard procedure for

15、conducting accelerated vibration tests on any fastener system capable of providing a clamp-up load. This method is intended to define the test required to determine the life and compare fastkners under vibratory conditions. 2. REFERENCED DOCUMENTS Not applicable. 3. DEFINITIONS Not applicable. 4. GE

16、NERALREQUIREMENTS 4.1. Test apparatus. 4.1.1. Testing machine. The testing machine shall be capable of vibrating the fixture, as shown on figure 1, with an essentially sinusoidal waveform at a frequency of 1,750 to 1,800 cycles per minute with an amplitude of 0.450 i0.015 inches (peak to peak). The

17、machine shall be provided with a means to veri the proper amplitude is present, such as an optical wedge gage. 4.1.2. Test fixture. Unless otherwise specified, the test fixture shall conform to figure 1: The fixture is intended for the testing of threaded fastenersand is satisfactory for testing sup

18、plementary locking means such as cotter pins. 4.1.2.1. Other fixtures. Other fixtures may be used, provided the following criteria &e met (see figure 1 for B, C and D): a. The cross-section area of the cylinder shall be at least 1.5 times the areas ofthe cylinder ID. SHEET 4 APPROVAL DATE AUGUST1997

19、 USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY AEROSPACE STANDARD IS ENTIRELY VOLUNTARY AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY CONFORMANCE OF ITEMS PRODUCED UNDER AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABILITY OF ITEMS FOR ANY PARTICULAR APPLICATION OR (2)

20、 THE EXISTENCE OF OR APPLICABILITY THERETO OF PATENT OR TRADEMARK RIGHTS. COPYRIGHT Aerospace Industries Association of America, Inc. (AIA NAS)Licensed by Information Handling ServicesNATIONAL AEROSPACE STANDARD COPYRIGHT 1997 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC ALL RIGHTS RESERVED NASM

21、 13 12-7 b. The slot clearance shall be equal to 0.745 inch B-D = 0.745 inch I c. Sufficient clearance shall be provided between the cylinder andfixture so that the cylinder moves freely in the slot. 8, d. The mass of the cylinder assembly with test parts in place shall be distributed so that the cy

22、linder axis stays substantially perpendicular to the applied vibratory forces during the test. This is normally accomplished by adding washers. 4.2. Test specimen (sample size). The number of specimens to be tested shall be as specified in the procurement document or product specification. The test

23、specimen shall not be altered in any manner other than that described in the product design specification. 5. DETATL REQUIREMENTS 5.1. Test procedures. Unless otherwise specified, the following procedure shall be followed: a. Assemble all components on the test cylinder, using washers as required. T

24、hreaded parts shall be preloaded, as required, using the appropriate seating torque as specified in the acquisition document. b. When parts require baking as a step in the processing before testing, install a separate spacer of length and material comparable to the bolt, and seat the nut against the

25、 spacer. Bake as specified. c. Disassemble and assemble with test cylinder to provide the reuse as specified., The last assembly shall be with the cylinder in the fixture. d. If rotation is a measure of failure, scribe or, otherwise, mark parts to determine relative movement. ,I e. Lightly lubricate

26、 the sliding Surfaces of the test fixture under the cylinder flanges and washers with SAE 20 oil so that the cylinder assembly will freely traverse the slots of the fixture. f Vibrate the fixture for the required time and inspect the components for failure. SHEET 5 APPROVAL DATE AUGUST1997 USE OF OR

27、 RELlANCE UPON THIS DOCUMENT OR ANY AEROSPACE STANDARD IS ENTIRELY VOLUNTARY AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY CONFORMANCE OF ITEMS PRODUCED UNDER AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAIM RESPECTING (I) THE SUITABILITY OF ITEMS FOR ANY PARTICULAR APPLICATION OR (2) THE EXIST

28、ENCE OF OR APPLICABILITY THERETO OF PATENT OR TRADEMARK RIGHTS. COPYRIGHT Aerospace Industries Association of America, Inc. (AIA NAS)Licensed by Information Handling Services STD.AIA/NAS NASM3312-7-ENGL 1777 H 03387q3 0505033 421- NATIONAL AEROSPACE STANDARD COPYRIGHT 1997 AEROSPACE INDUSTRIES ASSOC

29、IATION OF AMERICA, INC ALL RIGHTS RESERVED NASMl3 12-7 g. Failure shall be indicated by the product design specification, normally as a minimum amount of rotation or the presence of cracking within a required time. 6. NOTES ! 6.1. Test Report. The test report shall contain the following: I a. Fasten

30、er system description. 1. Part number. 2. Lot identification. 3. Material. 4. Heat treatment. 5. Measured fastener diameter. b. Test Machine. 1. Model and serial number. 2. Calibration date. c. Installation procedure. d. Installation data such as seating torque, bake time and temperature, and reuses

31、. e. Test duration. , E Vibration frequency. g. Cause and duration of any interruptions during test. h. Results of all inspections. l i. Test results. SHEET 6 APPROVAL DATE AUGUST1997 USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY AEROSPACE STANDARD IS ENTIRELY VOLUNTARY AIA WES NOT QUALIFY SUPPLIERS

32、OR CERTIFY CONFORMANCE OF ITEMS PRODUCED UNDER AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAIM RESPECTING (1) THE SUITABILITY OF ITEMS FOR ANY PARTICULAR APPLICATION OR (2) THE EXISTENCE OF OR APPLICABILITY THERETO OF PATENT OR TRADEMARK RIGHTS. COPYRIGHT Aerospace Industries Association o

33、f America, Inc. (AIA NAS)Licensed by Information Handling ServicesSTD.AIA/NAS NASML312-7-ENGL L997 m 03287113 0505032 3bb D NATIONAL AEROSPACE STANDARD COPYRIGHT 1997 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC ALL RIGHTS RESERVED NASM 13 12-7 CHAM. F- 4 50 x .020-/ CHAM. 4511 MIN LA/2 RAD I Nom

34、inal P E 1) II) B A size Washer face Washer Cylinder Washer & Slot Slot fastener thicknese OD OD cylinder height width +O. 005 (in. ) (in. 1 (in. 1 (in. 1 (in.) (in.) +o. 002 -0.002 +o. 002 +O. 005 +o. o02 C +O. O02 o. 190 o. 328 1.067 o. 200 O, 163. O. 875 O. 620 o, 328 1.365 O. 625 O. 313 O. 163 0

35、.750 0.495 O. 265 1.240 O. 500 O. 250 o. 123 O. 550 O. 322 O. 375 O. 750 1.490 O. 390 O. 745 1,000 O. 163 O. 500 O. 213 1.550 1 .115 O. 578 1.865 1.125 O. 563 o. 188 1.375 0:990 0.515 1.735 1.000 O. 625 1.250 r 1.985 O. 640 1.240 1.700 0.213 ,: NOTES : 1. Material: Steel. 2. Hardness: HRC 40-45 3. S

36、urface roughness: On surfaces coded fi the finish shall be 32 - - - l 0.438 O. 188 1.200 O. 870 O. 452 1.615 O. 875 microinches R max. a FIGURE 1. Vibration fixture. SHEET 7 APPROVAL DATE AUGUST1997 USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY AEROSPACE STANDARD IS ENTIRELY VOLUNTARY AIA DOES NOT QU

37、ALIFY SUPPLIERS OR CERTIFY CONFORMANCE OF ITEMS PRODUCED UNDER AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CWM RESPECTING (I) THE SUITABILITY OF ITEMS FOR ANY PARTICULAR APPLICATION OR (2) THE EXISTENCE OF OR APPLlCABlLITY THERETO OF PATENT OR TRADEMARK RIGHTS. COPYRIGHT Aerospace Industries

38、 Association of America, Inc. (AIA NAS)Licensed by Information Handling ServicesSTD-AIA/NAS NASML3L2-7-ENGL L777 0338743 0505033 NATIONAL AEROSPACE STANDARD COPYRIGHT 1997 AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC ALL RIGHTS RESERVED NASM13 12-7 I DIRI.:CTION OF VIBRATION; FIGURE 1. Vibration

39、fixture (continued). , . SHEET 8 I APPROVAL DATE AUGUST1997 USE OF OR RELIANCE UPON THIS DOCUMENT OR ANY AEROSPACE STANDARD IS ENTIRELY VOLUNTARY AIA DOES NOT QUALIFY SUPPLIERS OR CERTIFY CONFORMANCE OF ITEMS PRODUCED UNDER AEROSPACE STANDARDS. AIA MAKES NO REPRESENTATION OR CLAIM RESPECTINO (1) THE

40、 SUITABILITY OF ITEMS FOR ANY PARTICULAR APPLICATION OR (2) THE EXISTENCE OF OR APPLICABILITY THERETO OF PATENT OR TRADEMARK RIGHTS. COPYRIGHT Aerospace Industries Association of America, Inc. (AIA NAS)Licensed by Information Handling Services主营业务范围：ASTM、NAS、NASM、MIL、ISOOOO、EN、DIN等技术标准翻译；技术资料翻译。业务QQQQQQQQ：2298175560专业诚信质量不满意，可不付款专注于技术翻译