1、A.E, C. M .A. STAN DARD prEN 3380 NORME A.E.C.M.A. issue P 1 A.E.C.M.A. NORM August 1990 EDITE. PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATERIEL AROSPATIAL 88. boulevard Malesherbes, 75008 PARIS - TEL. 45-63-82-85 UDC : Key words : ENGLISH VERSION Aerospace series Retaining rings Technical
2、specification Srie arospatiale Anneaux darrt Spcification technique Luft- und Raumfahrt Sicherungsringe Technische Lieferbedingungen This .Aerospace Series. pre-standard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is publish
3、ed on green paper for the needs of AECMA-Members. It has been technically approved b y the experts of the concerned Commission following comment by the Member countries. Subsequent to the publication of this pre-standard, the technical content shall not be changed to an extent that interchangeabilit
4、y is affected, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European C
5、ommittee for Standardization) for final vote. Nota - Extra copies can be supplied by B.N.A.E. - 8, rue Moreau-Vauthier - 921 O0 BOULOGNE-BILLANCOURT Edition approved for publication Comments should be sent within six months C3 Chairman after the date of publication decision 88, ?id. Malesherbes Mr.
6、ARENA 1990-08-24 A.E.C.M.A. 75008 PARIS - FRANCE 0 aecma 1990 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-,-,-L- i AECMA PREN3380 90 W L01231L 0005b30
7、3 Wd prEN 3380 Page 3 1 Scope and field of application This standard specifies the requirements and test methods for axial and radial mounting retaining rings, intended for use in aerospace construction. It applies as often as it is referenced. 2 References IS0 2859-1 Sampling procedures for inspect
8、ion by attributes - Part 1 : Sampling plans indexed by acceptable quality level (AQL) for lot-by-lot inspection Statistics - Vocabulary and symbols IS0 3534 IS0 6507-1 Metallic materials - Hardness test - Vickers test - Part 1 : HV 5 to HV 100 EN 3042, EN 3425, EN 3426, EN 3427, Aerospace series - Q
9、uality assurance - EN aerospce products - Qualification procedure i) Aerospace series - Groove dimensions for axial mounting, internal type, retaining rings 2) Aerospace series - Groove dimensions for axial mounting, external type, retaining rings 2) Aerospace series - Groove dimensions for radial m
10、ounting retaining rings 2). 1) Published as AECMA standard at the date of standard. 2) In preparation at the date of publication of the publication of the present present standard. 6283W039014 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license wit
11、h AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-, AECMA PREN3380 90 = 3032331 0005633 5 W prEN 3380 Page 4 3. Definitions 3.1 Inspection batch A quantity of rings, of the same type, the same dimensions, the same material, the same surface treatment, manufact
12、ured under identical conditions, and presented for inspection at the same time. 3.2 Single random sampling See IS0 3534. 3.3 Gampling plan See IS0 3534. 3.4 Acceptable quality level (AQL) See IS0 3534. 4. Quality assurance See EN 3042. 5. Requirements and test methods See table 1. Inspections and te
13、sts shall be carried out on each batch, by the manufacturer, or under his responsibility. Each ring may be submitted to several inspections or tests. Inspection batches declared unacceptable after inspections and tests shall be submitted for re-inspection only after all defective units have been rem
14、oved and/or defects corrected. In this case, twice the normal sample size shall be used for re-inspecting or re-testing the attributes causing initial rejection ; the same acceptance level shall be used. :rf the mason for rejection results from the inethoci of operatj.iq or from the test apparatus,
15、the tests may be repeated after elimination of the cause. A note to this effect shall be added to the corresponding inspection documents. Unless otherwise specified, the test temperature shall be 20“ c. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under l
16、icense with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_- I AECMA PREN33O 40 m-10123LL 005b32 7 m, prEN 3380 Page 5 rl a rt a c a L d I -I n I 4 I m VI Co N 0 VI H 5 4 3 al o C (b a - Copyright Association Europeene des Constructeurs de Materiel Aerospati
17、al Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,- AECMA PREN3340 90 10123LL 0005635 2 W prEN 3380 Page 8 I P 3 3 I w 2 O II I I I ip O O rl I QI se IlIl II Copyright Association Europeene des Constructeurs de Materiel Aeros
18、patial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I AECMA PREN3380 90 20L23210005b36 LI e Sleeve (in light alloy) used to push the ring Driving sleeve 1 (in light alloy) e prEN 3380 Page 9 Device used for elasticity test
19、 (in steel of hardness HRc 2 60) (roughness of internal surfaces = 0.8 pm) Dl nom. - 0,3 rnm A BJ6 = D1 nom. - 0,l mm - D2 max. - oc (Dl and D2 in accordance with EN 3425). Figure 1 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot
20、for ResaleNo reproduction or networking permitted without license from IHS-,-,-AECMA PREN33BO 90 W LOL232L 0005b37 b W I prEN 3380 Page 10 Device used for elasticity test (in steel of hardness HRc 2 60) rouqhness of external Sleeve used to push the ring surfaces = 0.8 pm) B = A - 0,l mm C = D1 nom.
21、+ 0,3 mm Dj5 = D1 nom. i- 0,l mm C = 02 min. (Dl and D2 in accordance with EN 3426). Figure 2 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-,-,-O prEN 33
22、80 Page 11 6. Filing of documents For each inspection batch, the manufacturer shall store in an archive, for at least three years, a report concerning tests carried out, available for despatch, to a client, at his request. 7. Certificate of conformity Each delivery shall be accompanied by a certificate of conformity to confirm that the ring conforms with the requirements of this Standard. 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-,-,-
