ASD-STAN PREN 4176-1999 Aerospace Series Lockbolts 100 Degree Countersunk Normal Head or Protruding Head Tension- Sheartype Close Tolerance in Titanium Alloy TI-P64001 Anodized or .pdf

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1、STDaAECflA PREN 417b-ENGL 1999 1012311 0017360 781 AECMA STANDARD prEN 4176 NORME AECMA Edition P I AECMA NORM Decem ber 1999 PUBLISHED BY ME EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: 49.030.60 Descrip

2、tors: aircraft industry, aircraft equipment, rivet, titanium alloy, quality assurance, specification, characteristic, inspection, test ENGLISH VERSION Aerospace series Lockbolts, 100“ countersunk normal head or protruding head, tension- / sheartype, close tolerance, in titanium alloy TLP64001, anodi

3、zed or with aluminium pigmented coating Collars in titanium TLP99002 or aluminium alloy 2024 Metric series Technical specification Srie arospatiale Rivets bague sertie, tte fraise 100“ normale ou tte cylindrique, traction ou cisaillement, tolrance serre, en alliage de titane TLP64001, anodiss ou ave

4、c revtement alumino-organique Bagues en titane TLP99002 ou en alliage daluminium 2024 Srie mtrique Spcification technique Luft- und Raumfahrt Paniete, mit 100“ normalem Senkkopf oder Universalkopf, Zug- Schertyp, aus Titanlegierung TLP64001, anodisiert oder mit Aluminium pigmentierter Beschichtung R

5、inge aus Titan TLP99002 oder Aluminiumlegierung 2024 Metrische Reihe Technische Lieferbedingung This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (The European Association of Aerospace Industries). It is published on green paper for the needs of AECMA- Members.

6、It has been technically approved by the experts of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically of functionally,

7、without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Official Services of fhe Member countries if will be submitted as a draft European Standard to CEN (European Committee for Standardiza tion) for formal v

8、ote. Nota -Extra copies can be SUpplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX Edition approved for publication 1999-12-31 C3 Chairman I Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 6-1 200 BRU

9、XELLES Mr Visconti Page 2 STD.AECflA PREN 4L7b-ENGL 1999 = LOL23LL 00L73bL bLB prEN 41 76: 1999 Contents Scope . 3 Normative references . . 3 Terms and definitions . 4 Quality assurance 5 Requirements . 5 Delivery . 9 . STDmAECMA PREN 417h-ENGL li999 W 1012311 0037362 554 Page 3 prEN 41 76: 1999 1 S

10、cope This specification specifies the characteristics, qualification and acceptance requirements for tension- I sheartype 100“ countersunk normal head or protruding head close tolerance lockbolts in titanium alloy TLP64001 , anodized or with aluminium pigmented coating and collars in titanium TI-P99

11、002 or aluminium alloy 2024, metric series, for use as pemanent attachment fasteners in shear applications. It is applicable whenever referenced. EN 3042 EN 4172 EN 4173 EN 4174 EN 4175 EN 4401 EN 4402 B46.1: 1995 MIL-STD-105E NASMI 31 2 NAS 527: 1962 NAS 1413:1997 2 Normative references Pins and Co

12、llars, Swage Locking 4) Aerospace series - Quality assurance - EN aerospace products - Qualification procedure Aerospace series - Lockbolts, protruding head, sheartype, close tolerance, in titanium alloy TI-P64001, anodized, metric series - Classification: 1 100 MPa (at ambient temperature) I 31 5 “

13、C 1) Aerospace series - Lockbolts, 100“ countersunk normal head, sheartype, close tolerance, in titanium alloy TI-P64001 , anodized or aluminium coated, metric series - Classification: 1 100 MPa (at ambient temperature) i 315 “C 1) Aerospace series - Collars, swage locking, sheartype, in aluminium a

14、lloy 2024, anodized or chromated, metric series 1) Aerospace series - Collars, flanged swage locking, sheartype, in titanium TI-P02, metric series 1) Aerospace series - Lockbolts, protruding head, sheartype, close tolerance, in titanium alloy TLP64001 , with aluminium pigmented coating, metric serie

15、s - Classification: 1 100 MPa (at ambient temperature) / 315 “C 1) Aerospace series - Lockbolts, 100“ countersunk normal head, sheartype, close tolerance, in titanium alloy TI-P64001, with aluminium pigmented coating, metric series - Classification: I I O0 MPa (at ambient temperature) I 31 5 “C 1) S

16、urface Texture (Surface Roughness, Waviness, and Lay) 2) Sampling Procedures and Tables for Inspection by Attributes 3) Fastener Test Methods 4) Inspection Procedure for Flush Fasteners 4) 1) Published as AECMA Prestandard at the date of publication of this standard 2) Published by: American Society

17、 of Mechanical Engineers (ASME), 3, Park Avenue, New York, NY 10017, USA 3) Published by: Department of Defense (DOD), the Pentagon, Washington, DC 20301, USA 4) Published by: Aerospace Industries Association of America, Inc. (AIA), 1250 Eye Street, NW; Suite 1100, Washington, DC 20005, USA _ STD*AE

18、CMA PREN Ii37b-ENGL 3999 - 30323Ll 0037363 490 Page 4 prEN 4176: 1999 3 Terms and definitions For the purposes of this standard, the following terms and definitions apply. 3.1 inspection lot shall consist of finished parts which are of the same part number, fabricated by the same process, that are t

19、reated together in one furnace lot from the same heat of material and submitted for manufacturers inspection of the same time 3.2 crack a clear crystalline break passing through the grain boundary without inclusion of foreign elements 3.3 seam open surface defect 3.4 surface defect caused by folding

20、 over metal fins or sharp corners and then compressing them into the surface lap 3.5 nick surface defect caused by the sharp edge of a cutting element 3.6 gouge surface defect caused by a scraft 3.7 inclusions non-metallic particles originating from the material manufacturing process. These particle

21、s may be isolated or arranged in strings. 3.8 sampling plan a plan according to which one or more samples are taken in order to obtain information and possibly to reach a decision 3.9 acceptable quality level AQL a quality level which in a sampling plan corresponds to a specified but relatively high

22、 probability of acceptance It is the maximum per cent defective (or the maximum number of defects per hundred units) that, for purposes of sampling inspection can be considered satisfactory as a process average. Page 5 prEN 4176: 1999 STD-AECMA PREN 4L7b-ENGL 1747 10123Ll 00173b4 327 4 Quality assur

23、ance 4.1 EN 3042 Qualification requirements shall consist of test as specified in tables i and 2. Evidence shall be submitted, satisfactory to the user, that the manufacturer has produced a fastener of the same basic part number (excluding grip designation), diameter and material as those for which

24、quotations are asked. This fastener shall meet the requirements of this specification. 4.2 6 and 7. Quality conformance inspection and sampling plan shall consist of tests as specified in tables 4, 5, 4.3 available for inspection by the user for a period of 3 years after manufacturers final inspecti

25、on date. Quality control records pertaining to the specific work order, lot number or job number shall be 5 Req u rements 5.1 Requirements for lockbolts The requirements for sheartype lockbolts, are given in table 1. These requirements complement the requirement of all other standards or specificati

26、ons referenced in the document of the lockbolt, and may be overridden only when specially instructed in the definition document. Inspection tests, given in table I, are mandatory (expect as noted) on each inspection lot for the fastener manufacturer. Tests which are not mandatory for the fastener ma

27、nufacturer may be applied by the receiving contractor. Page 6 prEN 41 76: 1999 Claus 5.1 .I 5.1.1 .I - 5.1.2 5.1.2.1 - 5.1.3 5.1.3.1 5.1.3.2 - 5.1.4 5.1.4.1 5.1.5 5.1.5.1 - - 5.1.6 5.1.6.1 continued Table 1 Characteristic Design and construction Head protrusion (100“ countersunk head) Material Lubri

28、cant Dimensions General dimensions Surface texture Protective Lreatment Finish Manufacturing qeat treatment iec han cal aroperties rensile strength Technical requirement In accordance with the standard part drawings referenced within this specification Titanium alloy Ti-P64001 (6AI-4V) - shear stren

29、gth 2 675 MPa - Sornposition requirements apply to inished lockbolts. n accordance with standard part jrawings reference this specification. The dimensions and any deviations n form and position, measured at ambient temperature, shall be within he limits specified in the definition locument. n accor

30、dance with standard part irawings reference this specification. Shall develop mechanical properties 1s defined herein, without adverse ?ffect on metallurgical properties as iefined herein. rable 3 values are applicable to xkbolts having nominal grip of I ,5 times nominal diameter or jreater. Values

31、shall be shown in ninimum grip with collar in minimum itrength condition according to collar ;tandard. Inspection and QIA a Sample size Test method II - Conventional measuring methods NAS 527 Table 5 of t NAS 527 MI L-STD- I 05 As described by lockbolt manufacturer to assure production parts conform

32、 to applicable specifications Conventional measuring methods II disual zxamination STD-AECMA PREN 413b-ENGL 1999 1012311 00173bb LTT Page 7 prEN 4176: 1999 I See 6* Clause Table 3 values are applicable to lockbolts having nominal diameter or greater. Values shall be shown in 5.1.6.2 - 5.1.6.3 - 5.1.

33、6.4 - 5.i .6.5 - 5.1.7 - 5.1.8 - 5.1.9 Test No. 16 of NASM1312 Sharacteristic - ihear strength )reload :lamping orce est collars nstallation ietaiiurgicai xoperties roduct dentification Delivery Table I (concluded) Inspection and I Testmethod Technical requirement Table 3 values are applicable to lo

34、ckbolts having a grip of twice nominal diameter or greater for protruding head type and grip of 2,5 times nominal diameter or greater for flush head type. When the lockbolt is too short to shear test, a piece of wire of the same raw material lot heat treated with the fasteners shall be tested. Test

35、No. 8 of NASM1312 Table 6 Table 6 qualification Unless otherwise specified, test Not applicable examination of cross sections at Not 1 A 1 applicable I I I I Page 8 STD-AECMA PREN 4L7b-ENGL 1999 m LOL2313 00L73b7 03b prEN 41 76: 1999 5.2 Requirements for collars The requirements for sheartype collar

36、s are given in table 2. These requirements complement the requirement of all other standards or specifications referenced in the document of the lockbolt, and may be overridden only when specially instructed in the definition document. Inspection tests, given in table 2, are mandatory (expect as not

37、ed) on each inspection lot for the fastener manufacturer. Tests which are not mandatory for the fastener manufacturer may be applied by the receiving contractor. Table 2 discontinuities. minimum and maximum grip. continued Page 9 prEN 4176: 1999 STDeAECMA PREN 417b-ENGL 1999 m 1012311 00373b8 T72 m

38、Table 2 (concluded) Q = Qualification, A = Acceptance Testing will be performed in minimum and maximum grip for qualification purposes. Tensile testing for production lot acceptance will be performed in minimum grip. The condition of collar for testing or qualification shall be in accordance with th

39、e user standard. a 6 Delivery 6.1 All fasteners shall be tightly packaged in unit type containers. Ample packing material shall be installed in each unit container to assure protection of parts from abrasion, chafing, damage, etc. During handling, transportation and storage, 10 kg maximum weight all

40、owed for each unit container. 6.2 Fastener for one inspection lot and part number shall be packaged in unit packages. An assortment of unit packages may be in larger packages. 25 kg maximum weight allowed (corrugated fiberboard boxes) and 75 kg maximum weight allowed (wooden boxes) for larger packag

41、e. Page 10 prEN 4176: 1999 Diameter code Single shear Lockbolt strength kN min. 040 82 EN4401 EN41 72P040 EN41 73P040 EN4402P040 EN4172P050 EN4173P050 EN4402P050 EN41 72P060 EN4173P60 EN4402P060 EN41 72P080 EN4173P080 EN4402P080 EN41 72P1 O0 1 O0 51,4 EN4401P100 EN4173P100 EN4402P1 O0 The condition

42、of the test collar shall be in accordance 050 12,9 EN4401 060 18,5 EN4401 080 32,9 EN4401 a Test collar a Ultimate tensile Preload strength clamping force kN kN min. min. EN4175-040 5,8 2,9 EN41 75-050 43 4,15 EN41 75-060 12 6 EN4175-080 22,2 11,1 EN4175-100 33,3 16,65 with the collar standard. Tabl

43、e 3-8 - Shear, tensile and clamp force properties of lockbolts with test collars (shear type, in aluminium alloy 2024) for metal and composite application strength 040 I 812 12,9 050 I 060 I l8l5 51,4 loo I Lockbolt Test collar a Ultimate tensile strength kN min. Preload clamping force kN min. EN41

44、72P40 EN4401 PO40 EN4173P040 EN4402P040 EN4174A040 EN4174B040 5.3 EN4172P050 EN4401 PO50 EN4173P050 EN4402P050 EN41 72P060 EN4401 PO60 EN4173PO60 EN4402P060 EN4174A050 EN4174B050 EN41 74A060 EN41 7BA060 7,3 12 3,65 6 EN4172P080 EN4401 PO80 EN41 73P080 EN4402P080 EN41 74A080 EN4174B080 22.2 11,1 EN41

45、 72Pl O0 EN4401 P1 O0 EN41 73Pl O0 EN4402Pl O0 EN41 74A1 O0 EN41 7481 O0 33,3 16,65 a The condition of the test collar shall be in accordance with the collar standard. STD.AECMA PREN 4176-ENGL 1997 1012311 0017370 620 Page 11 prEN 41 76: 1999 Defined Table 4 - Qualification test and sampling plan -

46、Lockbolts Type of test Defined Lockbolt sample number Allowable in I Collar sample number Allowable 11213(4156718(9110 defects I a Shear test may be applied to tensile sicimens, provided thelength requirements of table I or not. I jr Table 5 - Qualification test and sampling plan - Collars Metallurg

47、ical examination Surface discontinuities Type of test Table 2 xxx O Table 2 xxx O I Microstructure ITable2IXIXIXIXIXIXIXI 1 I I O I a The tensile and clamp force tests may be run concurrently. Independent test samples of tests are not required. I STD-AECMA PREN 4376-ENGL 3999 m 3032333 0037373 567 m

48、 Page 12 prEN 41 76: 1999 Inspection lot size Requirement I and test method Table 6 - Quality conformance tests of lockbolts and collar sampling plan in accordance with MILSTD-105 and classification of dimensional characteristics Acceptance Rejection number Sample size number Classification Tables 1

49、 and 2 as applicable to the lockbolt or collar to be inspected Major 1,5 % AQL level II normal sample S 500 4 501 to 1 300 5 1 301 to 3 200 6 O 1 3201 to 8000 7 2 8 O01 10 Requirement and test method Table I as applicable to the lockbolt type to be inspected Minor A 2,5 % AQL level II normal sample Minor B 4 % AQL level II normal sample Levei s-z normal I ,a YO AUL I Table 2 as applicable to Level S-2 normal 2,5 % AQL I the collar type to be inspected. Level S-3 normal 4 % Characteristic concerned Shank diameter and grip length. L