BS G 198-5-1997 Sleeves and moulded components for aircraft electric cables and equipment wires Specification for heat shrinkable moulded shapes《航空用电缆和设备电线套筒 热收缩模型规范》.pdf
《BS G 198-5-1997 Sleeves and moulded components for aircraft electric cables and equipment wires Specification for heat shrinkable moulded shapes《航空用电缆和设备电线套筒 热收缩模型规范》.pdf》由会员分享,可在线阅读,更多相关《BS G 198-5-1997 Sleeves and moulded components for aircraft electric cables and equipment wires Specification for heat shrinkable moulded shapes《航空用电缆和设备电线套筒 热收缩模型规范》.pdf(66页珍藏版)》请在麦多课文档分享上搜索。
1、BRITISH STANDARD AEROSPACE SERIESBS G 198-5:1997Incorporating Amendment No. 1Sleeves and moulded components for aircraft electric cables and equipment wires Part 5: Specification for heat shrinkable moulded shapesICS 49.060BS G 198-5:1997This British Standard, having been prepared under the directio
2、n of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 August 1997 BSI 16 November 2005The following BSI references relate to the work on this standard:Committee reference ACE/6Draft for comment 94/705034 DCISBN 0 580 26858 6Committees
3、 responsible for this British StandardThe preparation of this British Standard was entrusted to Technical Committee ACE/6, Aerospace avionic, electrical and fibre optic technology, upon which the following bodies were represented:British AirwaysBritish Cable Makers ConfederationBritish Rubber Manufa
4、cturers AssociationCivil Aviation Authority (Airworthiness Division)Federation of the Electronics IndustryMinistry of DefenceSociety of British Aerospace CompaniesAmendments issued since publicationAmd. No. Date Comments15961 16 November 2005 Changes to Clause 7, Table 7, Table 8 and Figure 2BS G 19
5、8-5:1997 BSI 16 November 2005 iContentsPageCommittees responsible Inside front coverForeword iii1Scope 12 References 13 Information to be supplied by the purchaser 14 Materials and characteristics 25 Colour 26Finish 27 Dimensions 28 Shelf life 29Type testing 310 Production routine and quality testin
6、g 411 Tests and requirements 612 Marking and packaging 17Annex A (informative) Storage recommendations 41Annex B (normative) Method for the determination of smoke index 41Annex C (normative) Method for the determination of combustion products index 46Annex D (normative) Compatibility test 49Annex E
7、(informative) Compatibility guide 52Annex F (informative) Guide to installation 53Figure 1 Style A (lipped straight bottle with short body) 19Figure 2 Style B (lipped straight bottle with medium body) 20Figure 3 Style C (lipped straight bottle with long body) 21Figure 4 Style D (non-lipped straight
8、bottle) 22Figure 5 Style E (lipped straight bottle with long tail) 23Figure 6 Style F (lipped right angle boot) 24Figure 7 Style G (non-lipped right angle boot) 25Figure 8 Style H (lipped right angle boot with long tail) 26Figure 9 Style I (lipped right angle boot with longer tail) 28Figure 10 Style
9、 J (lipped straight bottle with longer tail) 29Figure 11 Style K (non-lipped straight long tail boot) 30Figure 12 Style L transitions (“T” junction) 31Figure 13 Style M transitions (30/45 junction) 32Figure 14 Style N transitions (“Y” junction 45 low profile) 33Figure 15 Style O (straight, high rati
10、o lipped boot) 34Figure 16 Style P transitions (“Y” junction) 35Figure 17 Style R transitions (three branched outlets) 36Figure 18 Style S transitions (four branched outlets) 37Figure 19 Style T D sub-miniature boot straight) 38Figure 20 Style U D sub-miniature boot right angle) (longitudinal) 39Fig
11、ure 21 Style V D sub-miniature boot right angle (across width) 40Figure B.1 Schematic details of burner for smoke index test 43Figure B.2 Schematic front view of smoke index test piece holder 44Figure D.1 Schematic arrangement for peel testing 51Figure F.1 Sequence of operations for installation of
12、a heat-shrinkable straight boot 55BS G 198-5:1997ii BSI 16 November 2005PageFigure F.2 Sequence of operations for installation of a heat-shrinkable right angled boot 56Table 1 Types of heat-shrinkable moulded shape materials 2Table 2 Materials and characteristics 3Table 3 Type tests 4Table 4 Product
13、ion routine tests 5Table 5 Production quality tests 5Table 6 List of test fluids 17Table 7 Dimensions of style A 19Table 8 Dimensions of style B 20Table 9 Dimensions of style C 21Table 10 Dimensions of style D 22Table 11 Dimensions of style E 23Table 12 Dimensions of style F 24Table 13 Dimensions of
14、 style G 25Table 14 Dimensions of style H 27Table 15 Dimensions of style I 28Table 16 Dimensions of style J 29Table 17 Dimensions of style K 30Table 18 Dimensions of style L 31Table 19 Dimensions of style M 32Table 20 Dimensions of style N 33Table 21 Dimensions of style O 34Table 22 Dimensions of st
15、yle P 35Table 23 Dimensions of style R 36Table 24 Dimensions of style S 37Table 25 Dimensions of style T 38Table 26 Dimensions of style U 39Table 27 Dimensions of style V 40Table E.1 Bonding adhesives 52Table E.2 Guide to adhesive compatibility 52List of references 58BS G 198-5:1997 BSI 16 November
16、2005 iiiForewordThis Part of BS G 198 has been prepared by Technical Committee ACE/6 and specifies requirements for heat-shrinkable moulded shape materials for aircraft electric cables and insulated equipment wires. BS G 198 is published in the following Parts. Part 1: Specification for elastomeric
17、sleeves for binding and identification; Part 2: Specification for slip-on sleeves for identification purposes; Part 3: Specification for heat-shrinkable sleeving for binding, insulation and identification; Part 4: Specification for heat-shrinkable sleeving for binding and insulation; Part 5: Specifi
18、cation for heat-shrinkable moulded shapes.It is envisaged that there will be a further Part on heat-shrinkable dual wall sleeves.This Part of BS G 198 specifies requirements for heat-shrinkable moulded shapes in a range of configurations and materials suitable for insulation, environmental sealing,
19、mechanical protection and strain relief for connector/cable terminations and multi-way transitions. These shapes are normally available in black, but other colours may be available.Moulded shapes should be installed in accordance with manufacturers or suppliers instructions and, in particular, it sh
20、ould be noted that when shrinkage is restricted some properties may be impaired, e.g. wall thickness will be reduced; and moulded shape performance may also be reduced. A guide to installation is detailed in Annex F.Heat-shrinkable moulded shapes are normally used with a bonding adhesive as detailed
21、 in Annex E Table E.1. Some of these adhesives may be supplied pre-coated or as a separate component. Annex E also details the recommended combinations of adhesive types, moulded shapes and sleevings. The requirements for adhesive compatibility are detailed in Annex D.It should be noted that the maj
22、ority of heat guns available for the application of moulded shapes are not suitable for use in potentially explosive atmospheres. Application tools suitable for the installation of heat-shrinkable moulded shapes in those areas should be designed for zone 2 areas as specified in BS 5345-2:1983.WARNIN
23、G NOTE 1. This standard requires the use of substances and/or test procedures that may be injurious to health if adequate precautions are not taken. It refers only to technical suitability and in no way absolves either the supplier or the user from statutory obligations relating to health and safety
24、 at any stage of manufacture or use.WARNING NOTE 2. It should be clearly understood that the combustion characteristics tests detailed in this standard, i.e. flammability, oxygen index, flammability temperature, smoke index and combustion products index are in no way suitable for assessing a total f
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