1、AECMA PRENrb052 75 10123LL 00087fl2 7T2 E AECMA STANDARD prEN 6052 NORME AECMA Edition P 1 AECMA NORM June 1995 Edition approved for publication 1995-06-30 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - B-1200 BRUXELLES - Tel. (32) 2 775 81 10 - Fax. (32) 2 775
2、 81 1 1 Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 B-1200 BRUXELLES ICs : Descriptors : ENGLISH VERSION Srie arospatiale Rivet -_Bague - Systme en alliage daluminium cisaillement-type srie en inches Spcification technique Aerospace series Rivets -
3、Collar - System in aluminium alloy shear type inch series Technical specification Luft- und Raumfahrt Paniet - SchlieBring - System aus Aluminiumlegierung Schertyp Zlige Reihe Technische Lieferbedingungen This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (The Eu
4、ropean Association of Aerospace Industriesl. It is published on green paper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned Technical Committee follo wing comment by the Member countries. Subsequent to the publication of this Prestandard, the technica
5、l content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPSj and formal agreement of the Official Services of the Member countries it
6、 will be submitted as a draft European Standard to CEN (European Committee for Standardizationj for formal vote. Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 921 38 ISSY-LES-MOULINEAUX CEDEX AIB/TF3 Chairman M. Luck aecma 199 Copyright Associati
7、on Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 2 prEN 6052 : 1995 Contents list 1 Scope 2 Normative references 3 Definitions 4 Certification and quality assurance 5
8、 6 7 Delivery Requirements for rivets in aluminium alloy 7050T73 Requirements for collars in aluminium alloy 3003 and 6061 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without l
9、icense from IHS-,-,- AECMA PREN*b052 95 I l10I123lIL 0008704 575 PB Page 3 prEN 6052 : 1995 1 Scope This specification defines the requirements of shear type 100“ countersunk reduced head and protruding head close tolerance rivets in aluminium alloy 7050773 and collars of aluminium alloy 3003 ( H12
10、to H17 condition ) and collars of aluminium alloy 6061“ for use as permanent fasteners in shear applications. 2 Normative references ANSI 846.1 ASTM E18 ASTM E92 EN2424 EN6050 EN6051 EN6054 MIL-C-5541 MI L-H-6088 MlL-1-25135 MI L-L-87 1 32 MIL-STD-I 05 MIL-STD-129 MI L-STD-13 1 2 MI LSTD-6866 NAS527
11、 NAS1413 QQ-A-430 Surface texture Rockwell Hardness Vickers Hardness Aerospace series - Identification Marking of aerospace products Aerospace series - Rivets, 100“ countersunk reduced head, close tolerance, shear type, in aluminium alloy 7050, chemical film, inch series Aerospace series - Collars,
12、swage locking, shear type, in aluminium alloy 3003, chemical film, inch series Aerospace series - Collars, swage locking, shear type, in aluminium alloy 6061, chemical film, inch series i) Chemical film and chemical film materials for aluminium and aluminium alloys 2) Heat treatment of aluminium all
13、oys 2, inspection materiais, penetrants 2) Lubricant, cetyl alcohol, 1 hexadecanol, application to fastener *) Sampling procedures and tables for inspection by attributes *) Marking for shipment and storage 2, Fastener test methods 2, Inspection, liquid penetrant 2, Inspection procedure for flush fa
14、steners 3, Pins and collars, swage locking 3, Aluminium alloy rod and wire, for rivets and cold heading 4, : .I I, 3 Definitions The close tolerance rivets and collars covered by this specification shall be of the types, sizes, configurations and materials designated by the part numbers specified on
15、 the applicable standards which refer to this specification. 4 Certification and quality assurance 4.1 Qualification tests Qualification requirements shall consist of tests per table 4 and 5. Evidence shall be submitted, satisfactory to the pur- chaser, that the supplier has produced fasteners of th
16、e same basic part number ( excluding grip designation ), diameter and material as those for which quotations are asked. This fastener shall meet the requirements of this specification. 4.2 Quality conformance inspection Quality conformance inspection shall consist of tests per table 4 and 5 sampling
17、 plan per table 6 and 7. 4.3 Quality control records Quality control records pertaining to the specific work order, lot number or job number shall be available for inspection by the purchaser for a period of 3 years after manufacturers final inspection date. 4.4 Lot llise 5.10 :haracteristic in brea
18、k load Table I (concluded) Technical requirement Table 3 values are applicable. Ater the evaluation of the pin break loads head dishing of flush head pins must not exceed 0,076 mm. Cracks are not allowed in any location of the pin. Inspection and test method Test shall be performed with the 1 O0 deg
19、rees head of the fastener seated in a tension test fixture having a hole size of 4,153 to 4,178 mm for diam. code 040 and 4,813 to 4,838 mm for diam code 050. The test plate countersink must have a 2 degree angular misalignment from the hole centerline. The presence of cracks shall be determined by
20、fluorescent penetrant inspection per MlL-STD-6866, method A or 8, sensitivity level 2 or higher. The penetrant materials used shall be per MlL-1-25135. Examine all surfaces at I O x to 30 x magnification. Penetrant in- spection shall be performed prior to all surface coating and lubricating. Q= lual
21、ification A= cceptance Q A Sampling Per table 4 and 7 r Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 7 prEN 6052 : 1995 Inspection and test met
22、hod 6 Requirements for collars in aluminium alloy 3003 and 6061 The requirements for 3003 and 6061 aluminium alloy collars, shear type are given in table 2. These requirements complement the requirements of all other standards or specifications referenced in the document of the rivet, and may be ove
23、rridden only when specially instructed in the definition document. Inspection tests given in tables 1 and 2 are mandatory ( except as noted ) on each lot as defined in 4.3, for the fastener manufacturer. Q= 7 A= 1 Qualification Sampling Accedance Table 2 Clause Characteristic construction 6.2 Materi
24、als 6.3 6.3.2 6.4 6.4.1 6.5 6.5.1 i Dimensions General dimensions Surface texture Protective treatment Finish Mechanical properties Ultimate tensile strength 6.2.1 1 Lubricants Q A Per table 5 and 6 6.5.2 Preload t 6.5.3 Test bolts Q A I Per table 5 and 7 6.5.4 Technical requirement Hardness Per tab
25、le 5 Conventional Q I A 1 measuring methods I I As described by collar manufacturer to assure produc- specifications. per applicable specification and visual examination Per standard part drawings referenced within this specification 3003 aluminium alloy ( H12 to HI7 condition ) or 6061 aluminium al
26、lov T7 condition . Conventional measuring methods _. Chemical composition per QQ-A430 Per standard part drawings The ultimate tensile strength of the installed collar shall be equal to or greater than that shown in table 3 in minimum and maximum grip Visual examination per ANSI 846.1 Per applicable
27、specification and visual examination Test - No.8 of MIL-STD-1312 for tensile test The preload of the installed collar shall be ?qual to or greater th,qn that shown in table 3 properties are specified in table 3 -or 6061T7 aluminium collars 30T hardness ;hall be 47 to 57 ( 86 to 111 Vickers 15 kgf ).
28、 or 3003 ( H12 to H17 ) aiuminium collars 7ardness to be 50 to 62 Rockwell 15 T Test -No.l6 of MIL-STD-I 312 Not applicable ASTME18 Rockwell hardness ASTME92 Vickers hardness I MIL-H-6088 Intergranular corrosion per NASI413 para.(a) 3.4.6 and table E Per table 5 i and6 A A Pe;,db6e5 Per table 5 I Pe
29、rtable5 A I and7 applicable Per table 5 and 7 Metallurgical examination Remarks see page 8 continued Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Pa
30、ge 8 prEN 6052 : 1995 - lause 6.6.1 6.7 6.8 Jharacterictic liscontinuities Product identification Delivery Table 2 (concluded) Technical requirement Discontinuities permitted as shown in figure 4. No cracks are allowed in any location Per standard pari drawings referenced within this specification S
31、ee section 7 Inspection and test method Visual and conventional measuring methods. The presence of cracks and discontinuities such as laps seams and inclusions shall be determined by fiuore- scent penetrant inspection per MlL-STD-6866, method A or B, sensitivity level 2 or higher. The penetrant mate
32、rials used shall be per MIL-1-25135, examine all surfaces at 1 O x to 30 x magnification penetrant indications shall be evaluated metallurgical examination cross sections at 50 x to 60 x magnification. Fluorescent penetrant inspection campte shall be per table U penetrant in spection shall be perfor
33、med prior to anodizing. Visual examination Visual examination Q= Jualification A= 4cceptance Q A Q A A Sampling Per table 5 and 7 Per table 5 and 6 Not applicable 1) Testing will be performed in minimum and maximum grip for qualification purposes. Tensile testing for production lot ac- ceptance will
34、 be performed in minimum grip. The condition of collar for testing or qualification shall be in accordance with the customer standard. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitt
35、ed without license from IHS-,-,-m I,OI,LL oooum 212 m Page 9 prEN 6052 : 1995 Minimum l) 1 Rivet double shear ( kN 1 7,62 EN6050-040 10,25 1 EN6050-050 7 Delivery 7.1 All fasteners shall be tightly packaged in unit type containers. Ample packing material shall be installed in each unit container to
36、assure protection of parts from abrasion, chafing, damage, etc. during handling, transportation and storage. 1 O kg maximum weight allowed per unit container. 7.2 ._, Test collar 2, Min. ult. Min. Pin break load tensile preload (kN) (kN) max. min. EN6051440 2,20 1 ,o0 3,11 2,67 EN6054450 3.34 1.45 4
37、.23 4.00 ,.I:. . Fasteners 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 ) per larger package. Table 1 Tab
38、le 1 Pin break load Table 1 Shear strength Tensile strength Table 3: Shear load, tensile load, preload and pin break load properties of rivet with test collars ( shear type, aluminium alloy, EN6051 and EN6054 ) for metal application. X X X X X X X O X X X X X X X O X X X X X X X O Rivet diam. code D
39、iscontinuities Micro structure Table 1 X X X O Table 1 X x X O O40 050 1) Min. shear strength of fastener is to be performed on pins without cetyl alcohol lubrication applied 2) The condition of the test collar shall be in accordance with the collar standard Table 4: Qualification test and sampling
40、plan - Rivets Allowable defect 1 Defined in Samples Type of test I table 2 13 14 15 16 17 18 19 I10 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,- I
41、1012311 0008690 350 Defined in table Type of test Page 10 prEN 6052 : 1995 Allowable defect Samples 1 12 13 14 15 16 17 18 19 110 Table 5: Qualification test and sampling plan - Collars Dimensions Table 2 Table 2 Finish and lubrication Identification Table 2 X X X X X X xx X X O X X X X X X X X xx O
42、 X X X X X X X X X X O Design and construction Tensile strength Table 2 Preload Table 2 X X X X X X X X Discontinuities Microstructure Hardness I Table2 I i I I Metallurgical examination Table 2 Table 2 X X X Table 2 perties 1) The tensile strength and preload tests may be run concurrently. Independ
43、ant test samples or tests are not requi- red. Table 6: Quality conformance tests of rivet and collar sampling plan per MIL-STO-105 and classification of dimensional characteristics Classification Major 13 YO AQL level II normal sample Minor A 2,5 % AQL level II normal sample Minor 840 % AQL level II
44、 normal sample Level $2 normal 1,5 Yo AQL Level S-2 normal Level S-3 normal 2.5 Yo AQL 4,O Yo Requirement and test method Per table 1 as applicable to the pin type to be inspected Per table 2 as applicable to the collar type to be inspected Bolts Dimensional characteristic Shank diameter and grip le
45、ngth.Length to end of locking grooves R radius ( head to shank fillet ) Groove major diameter Head protrusion ( flush head ) Identification Squareness of head bearing surface to shank for protruding or flush head Head Cocking for flush head Concentricity of head to shank Protruding head diameter and
46、 thickness Head angle for flush head . Surface texture, surface finish and lubricant. Flush head land width Bolttail length collars Surface finish and lubricant Dimensions Visual , I. ! Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMA
47、Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-I 1012311 0008b91 097 6 Sample Acceptance size number Lot size Requirement and test method Page 11 prEN 6052 : 1995 Rejection numbers Per table 1 and 2 as applicable to the rivet or collar to be inspected Under 500 4
48、O 1 5 O 1 1301 thru 3200 6 O 1 7 O 1 3201 thni 8001 and over 10 O 1 thru 1300 Table 8: Rivet discontinuities - Discontinuities and surface contamination 7050T73 aluminium *) No discontinuities Head to shank fillet, root of locking grooves I I (mm) 1 Max. depth normal to surface Location Permissible
49、condition 0,000 Any location except head to shank fillet or root of locking grooves Seams not extending into head to shank fillet or root of locking grooves Bearing surface of head, grip or shank not applicable Inclusions not indicative of unsatisfactory quality of affecting installation 3) 4) 0.127 I Non-bearing surface of head 1 Laps, seams, nicks or gouges I 0,254 I I Locking grooves 1 Laps
