AECMA PREN 2067-1989 Aerospace Series Rod-Ends with Self-Aligning Ball Bearings Technical Specification Issue P 1《航空航天系列.带螺纹自对心滚球轴承技术规范P.第1版》.pdf
《AECMA PREN 2067-1989 Aerospace Series Rod-Ends with Self-Aligning Ball Bearings Technical Specification Issue P 1《航空航天系列.带螺纹自对心滚球轴承技术规范P.第1版》.pdf》由会员分享,可在线阅读,更多相关《AECMA PREN 2067-1989 Aerospace Series Rod-Ends with Self-Aligning Ball Bearings Technical Specification Issue P 1《航空航天系列.带螺纹自对心滚球轴承技术规范P.第1版》.pdf(18页珍藏版)》请在麦多课文档分享上搜索。
1、A.E.C.M.A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM Edition approved for publication Comments should be sent within six months after the date of publication decision 88, Bd. Malesherbes 5th December 1989 A.E.C.M.A. 75008 PARIS * FRANCE prEN 2067 Issue P 1 December 1989 C 1 Chairman Mr. MOUTARDE DIT
2、 PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL 88, boulevard Malesherbes, 75008 PARIS - TL. 45-63-82-85 UDC : 629.7.05 : 621.827.1 : 621.85.053 : 621.828 : 658.56 Key words : Aeronautical industry, aircraft control, rod-end, rod- end with self-aligning ball bearing, ball, thread
3、ed shank, specification ENGLISH VERSION Aerospace series Rod-ends with self-aligning ball bearings Technical Specif cat ion Srie arspatiale Embouts rotule sur billes Spcification technique Luft- und Raumfahrt Osenkopfe mit Pendelkugellager Technische Lieferbedingungen This Aerospace Series pre-stand
4、ard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on green paper for the needs of AECMA-Members. It has been technically approvedby the experts of the concerned Commission following comment by the Member countries
5、. Subsequent to the publication of this pre-standard, 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 fo
6、rmal 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 final vote. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for
7、ResaleNo reproduction or networking permitted without license from IHS-,-,-AECMA PREN2067 89 LOL23Ll OOOL71.19 5 m prES 2067 Page 2 Con tents 1 Scope and field of application 2 References 3 Def initions 4 Required characteristics, inspections and test methods 5 Quality assurance 6 Acceptance condi t
8、 i ons 7 Packaging 8 Certificate of conformity Annexe A Retent-ion tests for seals and shields Annexe B Sand and dust test Annexe C Temperature test Annexe D Verification of internal clearances Annexe E Verification of permissible and ultimate static loads Annexe F Lubricants for rod ends with self-
9、aligning ball bearings - essen t i a I ch aracteri st i cs Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2067 Page 3 1 Scope and field of applic
10、ation This Standard specifies the required characteristics, Inspections and tests, quality assurance, and conditions for qual ification, acceptance and del ivery of the rod ends with self-aligning ball bearings designed to withstand (under load) small oscilla- tions and slow rotations only. This Sta
11、ndard appl es to al I rod ends with self-al igning bal I bearings, i.e,EN 2492 and . EN 3541 . It may be appl icable when mentioned in a product standard or in a design specification. 2 References IS0 5855/1 , Aerospace constructions - MJ Thread - Part 1 : General requirements IS0 5855/2 Aerospace c
12、onstructions - MJ Thread - Part 2 : Limit dimensions for nuts and bolts EN 2000 and supply of EN standard aerospace products EN 2492 Dimensions and loads - Aerospace series EN 3541 Aerospace series - Rod ends with self-aligning ball bearingSj with threaded shank - Dimensions, torques, clearances and
13、 loads. , Aerospace series - Quality assurance requirernTqts for the manufacture , Rod ends with self-aligning ball bearing with threaded shank - 9.5 3 Definitions 3.1 Rod ends with self-aligning ball bearings Comprising: - A head containing a self-aligning ball bearing, - A threaded shank with circ
14、ular safety groove, which may have a longitudinal groove for the locking device. 3.2 Surface discontinu it es - Crack: Break in the material which may exten intercrystal I ine or transcrystal I ine - Score or scratch: Open surface defect result - Lap: Surface defect where particles of metal then rol
15、led or forged into the surface. - Seam: Unwelded fold which appears as an open 3.3 internal clearances 3.3.1 Radia Total value body of the 3.3.2 Axial in all directions and be n character, ng from a tearing of the metal. or sharp edges are folded over and defect in the material. (Gr) of possible rad
16、ial displacements of the inner ring in relation to the rod end. (Ga) Total value of possible axil displacements of the inner ring in rela of the rod end. 3.4 Starting torque at zero load Maximum torque required to start. the rotation of the inner ring, with rod end he I d stat onary . 3.5 Del ivery
17、batch ion to the body the body of the This consfsts of rod ends with the same identity block, which may come from different product on batches. 1) Published as AECMA standard at the date of publication of the present standard. 2) In preparation at the date of publication of the present standard, Cop
18、yright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-j AECMA PREN20b7 89 1012311 0001951 3 prEN 2067 Page 4 4 Required characteristics, inspections and test me
19、thods See table 1 Table 1 Characteris+ics 4.1 Materials t to I erances 4.3 Masses C.5 Surface appearanc 1.5.1 of rod end body S.2iof the inner ring Iana bal Is I i 4.5 !Hardness I 4.7 Surface rough- 1 ness 4.8 ISurface treat- ment Inspections and test methods Q 1) Requirements Shall conform with pro
20、duct Chemical analysis or certi- X standards. f cate issued by semi-f ini- shed product manufacturer, Shall conform with product Suitable measuring instru- standards. men ts . Shal I conform with product Suitable methods. standards. Shal I conform with product Visual examination. standards. It shall
21、 be legible and shall not adversely affect the material or the func- tioning of +he i.03 end. ! X - X - X I I I No surface discontinuity Magnetic inspection for except those permitted examp I e in 4.9. X I I No surface discontinuity Magnetic inspection for liable to alter the example. characteristic
22、s and endurance of these parts. X Shal I confora with product Suitable processes standards. ring insTruments. I Shal I conform with product Suitable measuring instrume or vi sua I-tacti I e sampi es. i standa6ds. I I I Shal I conform with product - Visual examination. standards. - As per surface tre
23、atment standard. X 1) Q = Qualification test A = Acceptance test 2). These inspections shall be made in the absence of surface treatment, which, for the purposes of quai if cation, may be removed by a chemical process. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provide
24、d by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.12 .12. ,*12. .12. - Requ irements Thread tapping shal I con- form with product stan- dards. - No discontinuity below effective diameter . - Discontinuities not to exceed 20% of heig
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