1、STD*AECMA PREN 4372-ENGL 3999 M 3032333 O037342 7bb ._ 1999-12-31 AECMA STANDARD NORME AECMA AECMA NORM after the date of publication to AECMA Gulledelle 94 Mr Visconti 8-1200 BRUXELLES prEN 4172 Edition P 1 December I999 _ PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulled
2、elle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: 49.030.60 Descriptors: aircraft industry, aircraft equipment, rivet, titanium alloy, specification, characteristic, dimension, mass, dimensional tolerance, surface treatment, designation, marking ENGUSH VERSION Aerospa
3、ce series Lockbolts, protruding head, sheartype, close tolerance, in titanium alloy TI-P64001, anodized, metric series Classification: I 100 MPa (at ambient temperature) I315 “C Srie arospatiale Luft- und Raumfahrt Rivets bague sertie, tte cylindrique, cisaillement, tolrance serre, en alliage de tit
4、ane TLP64001, anodiss, srie mtrique Classification : i I00 MPa ( temprature ambiante) I315 “C PaBniete, mit Universalkopf, Schertyp, aus Titanlegierung TLP64001, anodisiert, metrische Reihe Klasse: 1 100 MPa (bei Raumtemperatur) 1315 OC This “Aerospace Series“ Prestandard has been drawn up under the
5、 responsibility of AECMA (The European Association of Aerospace Industries). it is published on green paper for the needs of AECMA- Members. It has been technically approved by the experts of the concerned Technical Cornmittee following comment by the Member countries. Subsequent to the publication
6、of this Prestandard, the technical 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 (NPS) and formal agreement of the Oficial Ser
7、vices of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LEC-MOULINEAUX CEDEX Edition approved for pu
8、blication I Comments should be sent withinsix months I C3 Chairman sTD.AECMA PREN 4172-ENGL 3999 I 1012313 0037343 bT2 Page3 prEN 4172: 1999 1 Scope This standard specifies the characteristics of lockbolts with protruding head, sheartype, close tolerance, in titanium alloy TI-P64001, anodized, metri
9、c series, for use in aerospace applications. Classification : 1 100 MPa 1) / 315 “C 2) In both versions, .e. with and without pintail these lockbolts fulfill the same function when installed and are statically I dynamically equivalent. They are intended to be used with collars to EN 4174 or EN 4175.
10、 2 Normative references EN 2424 EN 2808 EN 4174 Aerospace series - Marking of aerospace products Aerospace series - Anodizing of titanium and titanium alloys Aerospace series - Collars, swage locking, sheartype, in aluminium alloy 2024, anodized or chromated, metric series 3) EN 4175 Aerospace serie
11、s - Collars, flanged swage locking, sheartype, in titanium TI-P99002, metric series 3) EN 4176 Aerospace series - Lockbolts, 100“ countersunk normal head or protruding head, tension- I sheartype, close tolerance, in titanium alloy TI-P64001, anodized or with aluminium pigmented coating - Collars in
12、titanium TI-P99002 or aluminium alloy 2024 - Metric series - Technical specification 3) Lubricant, Cetyl Alcohol, l-Hexadecanol, Application to Fasteners 4) Aerospace series - Bolts and pins - National materials 5) MIL-L-871328 TR 3775 3 Required characteristics 3.1 See figure 1 and tables 1 and 2.
13、Dimensions and tolerances are expressed in millimetres and apply after surface treatment. Configuration - Dimensions - Masses 3.2 Materials TR 3775 (titanium alloy, strength class 1 100 MPa) 3.3 Surface treatments EN 2808 Lubrication with cetylic alcohol (chlorine free) according to MIL-L-87132 I) M
14、inimum tensile strength of the material at ambient temperature 2) Maximum temperature that the lockbolt can withstand without continuous change in its original characteristics, ater return to ambient temperature. The maximum temperature is determined by the material. 3) Published as AECMA Prestandar
15、d at the date of publication of this standard 4) Published by: Department of Defense (DoD), the Pentagon, Washington, D.C.20301, USA 5) Published as AECMA Technical Report at the date of publication of this standard Previous page is blaiik STD-AECMA PREN 4372-ENGL 1999 1032311 0037344 539 04 max. 1,
16、65 2,18 2,77 3,58 Page 4 prEN 4172: 1999 L2 L4 max. 2,95 4,6 3 5 4,12 6,15 549 8,4 Values in micrometres apply prior to surface treatment. 7 WI Dl f7 Lockbolt, version P with pintail (pulltype) 4 O -0,51 1 7vj 5 Lockbolt, version S w Key 1 Location of manufactures symbol 2 3 Predetermined breaking p
17、oint 4 Marking 5 6 Lightening hole 7 Drill start Sealant escape groove option: code G Groove section at manufacturers option Diameter code 040 050 060 080 1 O0 12,37 10 I18,42 - 4 ma. 3,88 4,89 5,89 7,88 - 9,88 Figure I Table I I I 4,34 I 6,17 I10,6 R min. max. min. 1,45 0,65 0,4 -1 2,56 2,18 0,75 I
18、 0,5 STD-AECMA PREN 4372-ENGL 3999 LO32333 0037345 475 Diameter code Length Griplength code L, a *0,25 over to 040 4 2 4 prEN 41 72: 1999 040 050 060 O80 1 O0 L3 Massb i3 Mass i3 Massb i3 Mass i3 Mass +2 +2 +2 +2 +2 o O O O 0 20,9 0,67 23,3 1,08 25,6 1,94 29,2 3,91 33,4 6,49 Table 2 460 480 500 46 4
19、4 46 62,9 2,98 65,3 4,65 67,6 7,19 71,2 13,15 754 21,19 48 46 48 64,9 3,09 67,3 4,82 69,6 7,44 73,2 13,59 77,4 21,89 50 48 50 66,9 3,20 69,3 4,99 71,6 7,69 75,2 14,03 79,4 22,59 STD-AECMA PREN 4172-ENGL 1999 D 10123L1 00L734b 301 Number of this standard Lockbolt version 6) (see figure 1) Diameter co
20、de (see table 1) Page 6 prEN 4172: 1999 4 Description EXAMPLE: NOTE If necessary, the code 19005 shall be placed between the description block and the identity block. 5 Marking EN 2424, style C (see figure 1). 6 Technical specification EN 4176 6) If it is not intended to define the version in the documents (with or without pintail, depending on whether riveting will be manual or automatic), it is not necessary to give a code letter. However, the version has to be clearly indicated in the purchase order.
