1、ASD STANDARD NORME ASD ASD NORM prEN 4115 Edition P 2 September 2008 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONAvenue de Tervuren, 270 - B-1150 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 763 3565 - www.asd-stan.orgICS: Supersedes edition P 1 Septembe
2、r 1998 Will supersede EN 4115:2001Descriptors: ENGLISH VERSION Aerospace series Cushion, rubber for clamps Dimensions, masses Srie arospatiale Profil en lastomre pour colliers Dimensions, masses Luft- und Raumfahrt Profilgummi fr Schellen Mae, Massen This “Aerospace Series“ Prestandard has been draw
3、n up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to
4、 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 review by users and formal agreement of ASD-STAN, it will be submitted as a
5、draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any nationa
6、l standards conflicting with the EN. Edition approved for publication 30 September 2008 Comments should be sent within six months after the date of publication to ASD-STAN Mechanical Domain Copyright 2008 by ASD-STAN prEN 4115:2008 2 Contents Page Foreword2 1 Scope 3 2 Normative references 3 3 Requi
7、red characteristics.4 4 Designation 6 5 Marking .7 6 Quality assurance7 7 Technical specification .7 8 Packaging.7 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Mechanical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN de
8、fined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 4115:2008 3 1 Scope This standard specifies the required characteristics for rubber cushions used on clamps according to EN 3730, EN 4113, EN 4114. For temperature range and environmental conditions
9、see Table 1. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2261, Aero
10、space series Silicone rubber (VMQ) Hardness 70 IRHD. EN 2566, Aerospace series Fluorocarbon rubber (FPM) Hardness 70 IRHD. 1)EN 2693, Aerospace series Aluminium alloy AL-P5086- H111 Sheet and strip 0,3 mm a 6 mm. EN 3730, Aerospace series Clamps, saddle fixed and sliding version in aluminium alloy w
11、ith rubber cushioning Dimensions, masses. EN 3825, Aerospace series Fluorosilicone rubber (FVMQ) Hardness 60 IRHD. 1)EN 3826, Aerospace series Fluorosilicone rubber (FVMQ) Hardness 70 IRHD. 1)EN 4113, Aerospace series Clamps, loop (“P“ type) in corrosion resisting steel, passivated with rubber cushi
12、oning Dimensions, masses. EN 4114, Aerospace series Clamps, loop (“P“ type) in aluminium alloy with rubber cushioning Dimensions, masses. EN 4115, Aerospace series Cushion, rubber for clamps Dimensions, masses. EN 9100, Aerospace series Quality management systems Requirements (based on ISO 9001:2000
13、) and Quality systems Model for quality assurance in design, development, production, installation and servicing (based on ISO 9001:1994). 1) Published as ASD Prestandard at the date of publication of this standard. prEN 4115:20084 Required characteristics 2.1 Materials According to Table 1. Clamp:
14、according to EN 2693. Cushion: according to EN 4115. Table 1 Materials MateriaL code Elastomer Colour Hardness(IRHD) Temperaturerange a Cushion application notes Mass density g/cm S Silicone VMQ EN 2261 rust 70 55 C to 200 C (260 C) Environment of hot air, phosphate ester based fluids or other synth
15、etic fluids and dielectrical use. Not for use with hydrocarbon based fluids. 1,23 F Fluorosilicone FVMQ EN 3826 b blue 70 55 C to 180 C (200 C) Environment of hot air, hydrocarbon based fluids. Not for use with phosphate ester based fluids except occasional splash. 1,47 V Fluorocarbon FPM EN 2566 c
16、brown 70 20 C to 200 C (260 C) Fuels, oils and diester lubricants, synthetic fluids, hot air environment and dielectrical use. Not for use with phosphate ester based fluids except occasional splash. 2,05 aApproximate temperature limits (in brackets) are for short excursions only. bAlternative EN 382
17、5. cAlternative Fluorocarbon rubber (FPM) Hardness 75 IRHD (Class 60C7). prEN 4115:2008 5 2.2 Configuration Dimensions Masses See Figure 1 and Table 2. Dimensions are in millimetres. All dimensions without tolerances are maximum values. Cushions without wedge Cushions with wedge (only moulded) possi
18、ble forms (at manufacturers option) Length l results from the dimensions given in the corresponding dimensional standards of clamps. Cushion profile 1 Valid deviation of form Cushion profile 2 Valid deviation of form Figure 1 Configuration prEN 4115:2008 (E) 6 Table 2 Dimensions Size code b1b2e r t1
19、t2t3Q Cushion profile type Metal band profilea without wedge with wedge max.Diameter codeamin. max. 0,2 0,2 mm21 9,50,8 1N 1K 10,0 4,4 03 to 13 42 12,70,8 2K 03 to 18 2,8 2,8 12,70,8 2N 2L 18 to 28 1,0 4,2 52 12,71,0 3N 3L 13 to 28 1,2 1,2 55 12,70,8 4N 4L 28 to 48 1,0 4,5 61 12,71,0 5N 5L 48 to 86
20、1,2 4,7 62 2 12,71,5 6N 6L 13,2 6,5 28 to 86 1,8 5,0 5,2 1,5 5,0 63 aSee the relevant clamp standard. 2.3 Configuration Dimensions Masses The corresponding unit mass of application of cushion is given by the formula: M = 0,001 Q l + m where m Wedge mass (negligible, about 0,1 g to 0,3 g); l Required
21、 cushion length in millimetres; Q Cushion section in square millimetres (see Table 2); Density in gramme per cubic centimeters; M Cushion unit mass in grammes. 3 Designation EXAMPLE Description block CUSHION, RUBBER Identity block EN4115F2L0025 Number of this standard Code letter for elastomer (see
22、Table 1) Size code (see Table 2) Cushion length in millimetres without cushion length: code letter N NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. prEN 4115:2008 7 5 Marking See the relevant clamp standard. 6 Quality assurance See EN 9100. 7
23、Technical specification The technical specification concerning the cushioning material to be used is to be agreed between the manufacturer and the user, pending publication of material standards. 8 Packaging The cushion rubber shall be packaged so that they are not damaged in transit. The following information shall appear (on a label attached): name and address of manufacturer; description and identity block; number of order; date of delivery.
