1、ASD STANDARD NORME ASD ASD NORM prEN 4614 Edition P 1 Octobre 2007 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONGulledelle 94 - B-1200 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 763 3565 - www.asd-stan.orgICS: Descriptors: ENGLISH VERSION Aerospace seri
2、es Spherical plain bearings in corrosion resisting steel with self-lubricating liner, wide series Dimensions and loads Inch series Srie arospatiale Rotules lisses rsistant la corrosion garniture autolubrifiante, srie large Dimensions et charges Sries en inches Luft- und Raumfahrt Gelenklager aus kor
3、rosionsbestndigem Stahl mit selbstschmierender Beschichtung, breite Reihe Mae und Belastungen Inch Reihe This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the
4、needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or f
5、unctionally, without re-identification of the standard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN).
6、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 national standards conflicting with the EN. Edition approved for publication 31 October 2007 Comments should be sent within six months after the date of
7、publication to ASD-STAN Mechanical Domain Copyright 2007 by ASD-STAN prEN 4614:2007 2 Contents Page Foreword2 1 Scope 3 2 Normative references 3 3 Terms and definitions .3 4 Symbols and abbreviations 4 5 Requirements.4 6 Designation . 11 7 Marking 11 8 Technical specification 11 Foreword This standa
8、rd 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 defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 4614:20073 1 Scope This standard s
9、pecifies the characteristics of bearings, spherical plain with self lubricating liner in corrosion resisting steel with self-lubricating liner, wide series for aerospace applications. They are intended for use in fixed or moving parts of the aircraft structure and control mechanisms. They shall be u
10、sed in the temperature range 55 C to 163 C. 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 ame
11、ndments) applies. ISO 1132-1, Rolling bearings Tolerances Part 1: Terms and definitions. ISO 8075, Aerospace Surface treatment of hardenable stainless steel parts. EN 2030, Steel FE-PM43 Hardened and tempered Bars D 150 mm Aerospace series. 1)EN 2133, Aerospace series Cadmium plating of steels with
12、specified tensile strength 1 450 MPa, copper, copper alloys and nickel alloys. EN 2424, Aerospace series Marking of aerospace products. EN 2755, Aerospace series Bearings spherical plain, in corrosion resisting steel with self-lubricating liner Elevated loads at ambient temperature Technical specifi
13、cation. 2)EN 3161, Aerospace series Steel FE-PM3801 (X5CrNiCu17-4) Air melted Solution treated and precipitation treated Bar a or D 200 mm Rm 930 MPa. 2)TR 4475, Aerospace series Bearings and mechanical transmissions for airframe applications Vocabulary. 3)3 Terms and definitions For the purposes of
14、 this document, the terms and definitions given in TR 4475 apply. 1) Published as ASD Standard at the date of publication of this standard. 2) Published as ASD Prestandard at the date of publication of this standard. 3) Published as ASD Technical Report at the date of publication of this standard. p
15、rEN 4614:20074 4 Symbols and abbreviations Symbols of limit deviations are in accordance with definitions of ISO 1132-1. = maximum angle of tilt of the outer ring with respect to the inner ring, with the spherical raceway of the outer ring being completely in contact with the inner ring. (see Figure
16、s 1 and 2) Ca = permissible static axial load Cs = permissible static radial load C25 = permissible dynamic radial load by 25 000 cycles dmp = single plane mean bore diameter deviation Dmp = single plane mean outside diameter deviation ds = deviation of a single bore diameter Ds = deviation of a sin
17、gle outside diameter 5 Requirements 5.1 Configuration, dimensions, tolerances and mass According to Figures 1 and 2 and Table 1. Dimensions and tolerances are expressed in millimetres (inches). Values after passivating and/or cadmium plating. 5.2 Surface roughness In accordance with Figures 1 and 2.
18、 Values in micrometres (micro inches), apply prior to surface treatment. 5.3 Material Inner ring: According to EN 2030, hardness 55 HRC 62 Outer ring: According to EN 3161, hardness 28 HRC 38 before swaging Liner: Self-lubricating liner according to EN 2755 5.4 Surface treatment Code T: Surface trea
19、tment according to ISO 8075 for inner ring before swaging. Code P: Without swaging groove code S: Surface treatment according to ISO 8075 for inner ring before swaging. Cadmium plating of outer ring: 5 m to 8 m (0.2 in to 0.3 in) according to EN 2133 (cylindrical surface area and chamfers and both e
20、nd surfaces at manufacturers option), followed by chromating. With swaging groove code R: Surface treatment according to ISO 8075 for inner ring before swaging. Cadmium plating of outer ring: 5 m to 8 m (0.2 in to 0.3 in) according to EN 2133 (cylindrical surface area, broken angles and radii, respe
21、ctively, as well as both end surfaces up to the swaging grooves), followed by chromating. prEN 4614:20075 5.5 Loads and starting torque values According to Tables 2 and 3. aSet back bSwaging groove cTFE liner dCadmium plated Figure 1 Code R with swaging grooves prEN 4614:20076 aSet back bTFE liner c
22、Cadmium plated Figure 2 Code S without swaging grooves prEN 4614:20077 Table 1 Dimensions, tolerances and mass Diameter B C d1 d2P d D Limit deviation 00,05 0,13 00,2000,254Dia-meter code admpdsDmpDs(00.002) ( 0.005) min. (00.008) (00.0100)03 4,826 (0.1900) 04 6,350 (0.2500) 15,875 (0.6250)8,31 (0.3
23、27) 7,62 (0.300) 14,30(0.563) 05 7,937 (0.3125) 17,462 (0.6875)00,008(00.0003)11,10(0.437) 8,05 (0.317) 9,14 (0.360) 15,87(0.625) 0,635(0.0250)06 9,525 (0.3750) 20,638 (0.8125)12,70(0.500) 10,31 (0.406) 11,84 (0.466) 18,08(0.712) 07 23,812 (0.9375)21,26(0.837) 07A 11,113 (0.4375) 23,017 (0.9062)14,2
24、8(0.562) 11,23 (0.442) 13,64 (0.537) 20,52(0,808) 08 12,700 (0.5000) 25,400 (1.0000)15,88(0.625) 12,83 (0.505) 15,42 (0.607) 22,86(0.900) 09 14,288 (0.5625) 28,575 (1.1250)17,45(0.687) 13,61 (0.536) 18,31 (0.721) 26,03(1.025) 10 15,875 (0.6250) 30,163 (1.1875)00,009(00.0004)19,05(0.750) 14,40 (0.567
25、) 18,97 (0.747) 27,60(1.087) 0,889(0.0350)12 19,050 (0.7500) 34,925 (1.3750)16,00 (0.630) 21,46 (0.845) 31,78(1.251) 14 22,225 (0.8750) 41,275 (1.6250)00,013(00.0005)00,011(00.0004)00,013(00.0005)22,23(0.875) 19,18 (0.755) 25,27 (0.995) 38,12(1.501) 16 25,400 (1.0000) 53,975 (2.1250)34,93(1.375) 25,
26、53 (1.005) 32,23 (1.269) 50,82(2.001) 20 31,750 (1.2500) 60,325 (2.3750)38,10(1.500) 28,70 (1.130) 37,15 (1.463) 57,17(2.251) 24 38,100 (1.5000) 68,262 (2.6875)42,85(1.687) 31,06 (1.223) 45,50 (1.791) 65,08(2.562) 28 44,450 (1.7500) 76,200 (3.0000)46,02(1.812) 33,45 (1.317) 49,90 (1.965) 73,05(2.876
27、) 32 50,800 (2.0000) 82,550 (3.2500)00,013(00.0005) 0,0030,015+(0.00010.0006+)00,013(00.0005)0,0030,015+(0.00010.0006+)49,19(1.937) 35,05 (1.380) 56,10 (2.209) 79,35(3.124) 1,397(0.0550)continued prEN 4614:20078 Table 1 (continued) r1 r2 r3 r4 b 1 2 N T 00,254or 0,5 0,5 Mass g/piece Dia-meter code a
28、(00.0100) max. r4 45 min. max. 03 13 04 15 20 12 05 0,508 (0.0200) 0,127 (0.0050) to 0,305 (0.0120) 14 0,08 (0.003) 13 06 8 23 07 0,762 (0.0300) 33 07A 10 30 08 9 0,5 (0.02) 40 09 10 56 10 0,762 (0.0300) 12 1,02 (0.040) 63 12 13 92 14 6 146 16 392 20 12 500 24 13 682 28 859 32 1,016 (0.0400) 0,254 (
29、0.0100) to 0,432 (0.0170) 0,127 (0.0050) 0,127 (0.0050)to 0,381 (0.0150)12 30 30 1,14 (0.045) 0,13 (0.005) 1 005 aThe diameter code corresponds to bore diameter d in 1/16 inch. bThe acceptance value is the maximum value for the user. prEN 4614:2007 9 Table 2 Loads Permissible static load kN Ultimate
30、 static load kN Dynamic load dkN Diameter code aRadial b eCsAxial b c fCaRadial bAxial bRadial gC2503 10,7h 16,1 h10,7 h04 24,5 h6,3 36,7 h9,4 21,7 05 45,6 5,9 68,4 8,8 22,3 06 72,1 h10,2 108,2 h15,3 35,6 07 07A 90,9 12,3 136,4 18,5 44,4 08 117,8 16,5 176,8 24,7 57,6 09 131,7 23,7 197,5 35,5 64,4 10
31、 149,5 27,0 224,3 40,5 73,1 12 190,8 33,3 286,1 49,9 93,3 14 256,0 50,5 383,9 75,7 125,1 16 497,3 95,5 745,9 143,3 243,1 20 632,7 123,4 949,0 185,0 309,3 24 809,5 146,4 1 214,2 219,6 395,7 28 952,1 171,7 1 428,2 257,5 465,5 32 1 100,3 189,8 1 650,4 284,7 537,9 aThe diameter code corresponds to bore
32、diameter d in 1/16 inch. bDefinition and testing for permissible and ultimate static load according to EN 2755 and TR 4475. cThese values apply to loose spherical bearings. For installed bearings, the push-out loads may be smaller than these values. dDefinition and testing for dynamic radial load ac
33、cording to EN 2755. ePermissible surface pressure 450 MPa, definition according to TR 4475. fPermissible surface pressure for diameter code 03 to 08: 150 MPa and for diameter code 09 to 32: 225 MPa. gSurface pressure 220 MPa, definition according to TR 4475. hLimit by bolt bending Definition: solid
34、shaft rigid clamping on both sides uniform load permissible bending stress 1 350 MPa permissible shear stress 1 200 MPa prEN 4614:200710 Table 3 Starting torque values Starting torquebNm Diameter code aNormal Code N Reduced Code R 03 0,06 to 0,56 04 05 06 0 to 0,11 07 07A 08 09 10 12 0,11 to 0,56 0,
35、03 to 0,15 14 16 0,23 to 0,90 0,04 to 0,25 20 24 28 32 0,23 to 1,50 0,05 to 0,32 aThe diameter code corresponds to bore diameter d in 1/16 inch. bDefinition and testing for starting torque according to EN 2755. prEN 4614:2007 11 6 Designation EXAMPLE Description block BEARING Identity block EN4614R0
36、3NTA Number of this standard Swaging groove code (see Figures 1 and 2) Diameter code (see Table 1) Starting torque code (see Table 3) Surface treatment (see 5.4) Technology code Where the following technology codes are applied: code A, bonded liner technology; code B, injected or moulded liner techn
37、ology; without code, both technologies can be used at users convenience. NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 7 Marking According to EN 2424, style A. The marking position is at the manufacturers option. Bearings ordered without technology code shall be delivered marked in accordance with its technology code. 8 Technical specification According to EN 2755.
