1、STDmAECMA PREN 3708-005-ENGL 177b 1032313 0032225 LLiT Edition approved for publication AECMA STANDARD NORME AECMA AECMA NORM Comments should be sent within six months after the date of publication to C2 Chairman prEN 3708-005 Edition P 2 November 1996 ICs : 49.060 PUBLISHED BY THE EUROPEAN ASSOCIAT
2、ION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - B-1200 BRUXELLES - Tel. (32) 2 775 81 10 - Fax. (32) 2 775 81 11 Supersedes edition P 1 September 1995 Descriptors : Aircraft industry, connecting equipment, terminal strips, metal sections, accessories, supports, specifications, dimensions, markin
3、g, designation ENGLISH VERSION Aerospace series Modular interconnection systems Terminal junction systems Part 005 : Frames with accessories for feedback modules version, sealed and unsealed Product standard Srie arospatiale Systmes dinterconnexions modulaires Barrettes de raccordement Partie 005 :
4、Profils avec accessoires pour version modules retour, tanches et non tanches Norme de produit Luft- und Raumfahrt Verteilersystem in modularer Bauweise Verteilermodule Teil 005 : Zubehr fr abgedichtete und nicht abgedichtete anreihbare Durchfhrungsmodule Produ ktnorm This “Aerospace Series“ Prestand
5、ard 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. It has been technically approved by the experts of the concerned Technical Committee follo wing comment by the Member countries.
6、Subsequent to the publication 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 INPSI and forma
7、l agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. 1996-1 1-29 AECMA Gulledelle 94 6-1 200 BRUXELLES Mr Pezzetta I I aecma 1991 STD-AECMA PREN 3708-005-ENGL 179b 3032333 ODL22
8、2b O8b = Page 3 prEN 3708-005 : 1996 Reinforced perforated frame Reinforced perforated frame 1 Scope D E This standard specifies the frames, supports and accessories necessary for a terminal junction system for removable feedback modules, sealed and unsealed in accordance with EN 3708-003 and EN 370
9、8-004 and used in modular interconnection systems. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For da
10、ted references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 3708-001 Aerospace series - Modular interconn
11、ection systems - Terminal junction systems - Part O01 : Technical specification 1) EN 3708-003 Aerospace series - Modular interconnection systems - Terminal junction systems - Part 003 : Removable feedback modules version, sealed - Product standard 1) EN 3708-004 Aerospace series - Modular interconn
12、ection systems - Terminal junction systems - Part 004 : Removable feedback modules version, unsealed - Product standard 1) 3 Definitions For the purposes of this standard, the following definitions apply : See EN 3708-001. 4 Description 4.1 Frames See table 1. Material : aluminium alloy Protection :
13、 yellow anodizing (non-conductive) Table 1 I Code for yellow anodizing I Full standard A I I Perforated frame I C I 4.2 Module clamps Material : stainless steel. 4.3 Insulators Materiai : plastic 1) Published as AECMA Prestandard at the date of publication of this standard Previous page is blank Pag
14、e 4 prEN 3708-005 : 1996 5 Definition drawings and masses Dimensions and tolerances are in millimetres. 5.1 Frames 5.1 -1 See figure 1. Full standard frame A 9.25 max. I 1) Length on request, 2 m max. Figure 1 5.1.2 Perforated frame B See figure 2. C9,25max. , I 11 I -11.25max. I 1) Length on reques
15、t, 2 m max. Page 5 prEN 3708-005 : 1996 5.1.3 Perforated frame C See figure 3. I 9.25max. I 11 Length on request, 2 m max. 5.1.4 Reinforced perforated frame D See figure 4. Figure 3 1) Length on request, 2 m max. Figure 4 Page 6 prEN 3708-005 : 1996 Code A B C D E 5.1.5 Reinforced perforated frame E
16、 See figure 5. Mass gim 142 178 122 227 158 “. .r oc +I N OUl O0 +I Ln N - 9 .- 1 .-I 1) Length on request, 2 rn max. Figure 5 5.1.6 Masses See table 2. Table 2 5.2 Module clamps The tightening torque of module clamps, codes S1, 52 and S3 shall be 0,05 daN.m min. and 0,07 daN.m max. . .- STD-AECMA P
17、REN 3708-005-ENGL L77b LOL23LL 0032230 507 Dimensions Page 7 prEN 3708-005 : 1996 Mass 9 5.2.1 See table 3. Module clamps, codes S1 and S2 ,. I o x 2 i ov 9 I -_ J I Code No. s1 s2 One hole for Twoholesfor locking wire locking wire $0.8 * 0,l $l,4*0,2 Table 3 Dimensions Two holes for locking wire $
18、1,4 * 0,2 27 t 27 One hole tor locking wire 60.8 f 0.1 One hole for locking wire $ 0.8 f 0,l Mass 9 6 6 Module clamps S1 : provide support for the modules at the ends of the frame on which they are positioned or repositioned by translation. Module clamps 52 : provide support and separation for the m
19、odules on the frame on which they are positioned or repositioned by translation or rotation. 5.2.2 Module clamps, code S3 See table 4. Code No. s3 6 - Module clamps S3 : provide support and separation for the modules on the frame on which they are positioned or repartitionned by translation or rotat
20、ion. This module insure the mechanical holding of clamp edges. Page 8 prEN 3708-005 : 1996 5.3 Insulator, code TS See figure 6. Mass : 2,2 g 1.2 Figure 6 6 Marking A marking shall be provided along the frame to identify the manufacturer. The space between each marking shall be 100 mm min 7 Designati
21、on 7.1 Frames EXAMPLE : Description block Identity block I FRAME, MODULE EN3708-005A1 O00 Number of this standard Type of frame (see table 1) Length of profile in mm NOTE : If necessary, the code 19005 shall be placed between the description block and the identity block. STD-AECMA PREN 3708-005-ENGL
22、 177b W 1012311 0032232 38T Page 9 prEN 3708-005 : 1996 7.2 Module clamps EXAMPLE : Description block Identity block CLAMP, MODULE EN3708-005S1 Number of this standard Module clamp code (see 5.2) NOTE : If necessary, the code 19005 shall be placed between the description block and the identity block
23、. 7.3 Insulators EXAMPLE : Identity block I EN3708-005TS Description block INSULATOR, MODULE Insulator code (see 5.3) I NOTE : If necessary, the code 19005 shall be placed between the description block and the identity block. 8 Packaging The supports and frames, depending on their length, shall be protected to avoid any deformation and external damage. The accessories shall be wrapped for supply to avoid damage. 9 Technical specification See EN 3708-001.
