ASD-STAN PREN 6095-2006 Aerospace series Rotary fasteners Structural and non-structural applications Technical specification (Edition P 1)《航空航天系列 旋转式紧固件 结构和非结构应用 技术规范 第P1版》.pdf

1、ASD STANDARD NORME ASD ASD NORM prEN 6095 Edition P 1 October 2006 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 Rotary fasteners Structural and non-structural applications Technical specification Srie arospatiale Fixations rapides filetes Applications structurales et non-structurales Spcification technique Luft- und Raumfahrt Drehverschlsse Strukturelle und nicht-strukturelle Anwendungen Technische Lieferb

3、edingung 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 needs of the European Aerospace Industry. It has been technically approved by the experts of the

4、 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 functionally, without re-identification of the standard. After examination and review by users an

5、d 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). The CEN national members have then to implement the EN at national level by giving the EN the st

6、atus of a national standard and by withdrawing any national standards conflicting with the EN. Edition approved for publication 31 October 2006 Comments should be sent within six months after the date of publication to ASD-STAN Mechanical Domain Copyright 2006 by ASD-STAN prEN 6095:20062 Contents Pa

7、ge Foreword . 2 1 Scope 3 2 Normative references 3 3 Definitions 4 3.1 Fasteners . 4 3.2 Lot (inspection lot) 4 4 Requirements 4 5 Inspections and tests 4 6 Qualification assurance 7 6.1 Approval of manufacturer 7 6.2 Product qualification. 8 7 Acceptance conditions. 9 7.1 Responsibilities of manufa

8、cturer 9 7.2 Acceptance testing . 9 7.3 Customer quality control 9 Bibliography 10 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 defined in ASD-STANs General Proce

9、ss Manual, this standard has received approval for Publication. prEN 6095:20063 1 Scope This standard specifies the required characteristics, inspections, tests, quality assurance requirements, conditions for qualification acceptance and delivery of rotary fasteners for structural and non-structural

10、 applications. This standard applies to all rotary fasteners for structural and non structural applications. It may be applied when referred to in the product standard or in a design specification. 2 Normative references The following referenced documents are indispensable for the application of thi

11、s document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 554, Standard atmospheres for conditioning and/or testing Specifications. ISO 1817, Rubber, vulcanized Determination of the

12、effect of liquids. ISO 2632-1, Roughness comparisons specimens Part 1: Turned, ground, bored, milled, shaped and planed. 1) ISO 3534-2, Statistics Vocabulary and symbols Part 2: Statistical quality control. ISO 4288, Geometrical product specifications (GPS) Surface texture: Profile method Rules and

13、procedures for the assessment of surface texture. ISO 8785, Geometrical product specifications (GPS) Surface imperfections Terms, definitions and parameters. EN ISO 6270-2, Paints and varnishes Determination of resistance to humidity Part 2: Procedure for exposing test specimens in condensation-wate

14、r atmospheres. EN ISO 9227, Corrosion tests in artificial atmospheres Salt spray tests. EN 2424, Aerospace series Marking of aerospace products. EN 3445, Aerospace series Storage life of rubber products. 2) EN 9100, Aerospace series Quality management systems Requirements (based on ISO 9001:2000) an

15、d Quality systems Model for quality assurance in design, development, production, installation and servicing (based on ISO 9001:1994). EN 10204, Metallic products Types of inspection documents. ASTM-A342, Materials, feebly magnetic, permeability of, standard test methods for. 3) NASA-STD-6001, Flamm

16、ability, odor, offgassing, and compatibility requirements and test procedures for materials in environments that support combustion. NASM22978, Fastener, rotary, quick-operating, high-strength. 4) 1) Withdrawn standard. 2) In preparation at the date of publication of this standard. 3) Published by:

17、American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, USA. 4) Published by: Aerospace Industries Association of America, Inc. (AIA), 1250 Eye Street, N.W., Washington, D.C. 20005-3924, USA. prEN 6095:20064 3 Definitions 3.1 Fasteners Fasteners ar

18、e turnlock-type devices and associated supplementary parts, capable of being easily and quickly operated, with or without usage of tools for closing and opening, for fastening and release of parts such as covers, fairings, equipment, etc. 3.2 Lot (inspection lot) Supplementary to ISO 3534-2, for the

19、 purposes of this Standard, a lot (inspection lot) shall be defined as follows: A lot shall consist of finished parts of the same dimensions, made from the same material, produced in the same production run, heat treated and surface protected in the same manner and submitted for testing at the same

20、time. 4 Requirements See Table 1. 5 Inspections and tests See Table 1. Table 1 Requirements, inspections and tests Clause Characteristic Requirements Clause Inspections and tests A a Q b 4.1 Materials In accordance with the specifications of the relevant product standards 5.1 The chemical compositio

21、n shall be evidenced, i.e. by an inspection certificate as per EN 10204 issued by the semi finished product manufacturer. X X 4.2 Dimensions and masses 5.2 4.2.1 Dimensions In accordance with the relevant product standards 5.2.1 Checking shall be carried out using suitable measuring devices. X X 4.2

22、.2 Masses In accordance with the relevant product standards 5.2.2 Checking shall be carried out using suitable measuring devices. X X 4.3 Surfaces 5.3 4.3.1 Surface defects All surfaces shall be free from surface defects as defined in ISO 8785. 5.3.1 Visual examination X X 4.3.2 Surface roughness In

23、 accordance with the relevant product standards 5.3.2 The surface roughness shall be checked by tactile and visual comparison with standard surface specimens as per ISO 2632-1. In cases of doubt, where the surface concerned is accessible, the roughness shall be measured in accordance with ISO 4288.

24、X continued prEN 6095:20065 Table 1 Requirements, inspections and tests (continued) Clause Characteristic Requirements Clause Inspections and tests A a Q b 4.3.3 Surface treatment In accordance with the relevant product standards 5.3.3 The surface treatment as applied shall be substantiated, i.e. by

25、 an inspection certificate as per EN 10204. X X 4.4 Mechanical properties 5.4 4.4.1 Tensile loads 5.4.1 4.4.1.1 Rated tensile loads or limit tensile loads There shall be no permanent deformation after applying 2/3 of the ultimate tensile loads specified in the relevant product standards. 5.4.1.1 The

26、 locked fasteners mounted in a test fixture as defined in NASM22978 shall be subjected to the specified tensile load. X 4.4.1.2 Ultimate tensile load In accordance with the relevant product standards 5.4.1.2 Testing in accordance with NASM22978 X 4.4.2 Retainer and/or stud push out load There shall

27、be no permanent deformation after applying the loads specified in the relevant product standards. 5.4.2 Testing in accordance with NASM22978 X 4.4.3 Receptacle push-out load There shall be no permanent deformation after applying the loads specified in the relevant product standards. 5.4.3 Testing in

28、 accordance with NASM22978 X 4.4.4 Shear loads c 5.4.4 4.4.4.1 Rated shear loads or Limit shear loads There shall be no permanent deformation after applying 2/3 of the ultimate shear loads specified in the relevant product standards. 5.4.4.1 Testing in accordance with NASM22978 d X X 4.4.4.2 Ultimat

29、e shear loads In accordance with the relevant product standards 5.4.4.2 Testing in accordance with NASM22978 d X 4.4.5 Shear fatigue There shall be no permanent deformation nor opening of the joint. 5.4.5 Testing in accordance with NASM22978 d X 4.4.6 Tightening and locking torques In accordance wit

30、h the relevant product standards 5.4.6 The test shall be performed using a suitable torque measuring device. The operating torques shall be measured at room temperature and at limit temperatures ( 40 C and 100 C for the tightening torque and 55 C and 150 C for the locking torque) after 1 h of condit

31、ioning in a cold or heating chamber respectively. X continued prEN 6095:2006 6 Table 1 Requirements, inspections and tests (continued) Clause Characteristic Requirements Clause Inspections and tests A a Q b 4.4.7 Torque-out There shall be no permanent deformation after applying 200 % of the maximum

32、tightening torque specified in the product standards. 5.4.7 Testing shall be performed using a suitable test fixture. X 4.4.8 Endurance The fastener system shall withstand 1 500 cycles of operation without failure of functional performance. 5.4.8 Testing shall be performed using a suitable test fixt

33、ure. The fasteners shall be subjected to the specified number of locking and un-locking cycles (from the fully opened to the fully closed position and return) and subsequently examined for wear. X 4.4.9 Vibration Locked fasteners shall not open nor be permanently deformed when subjected to a 30 min

34、vibration test. 5.4.9 Testing in accordance with NASM22978 X 4.5 Corrosion resistance Fasteners shall show no evidence of corrosion after corrosion testing. 5.5 The fasteners shall be subjected to the following testing: - 24 h salt spray test in accordance with EN ISO 9227 - 4 days condensed water i

35、n accordance with EN ISO 6270-2 - 2 days ambient environment (18 C to 28 C) in accordance with ISO 554. X 4.6 Permeability The permeability of fasteners ready for installation shall exceed the maximum value(s) specified for the material(s). 5.6 Permeability shall be measured using a measuring device

36、 in accordance with ASTM-A342. X 4.7 Resistance to fluids Fasteners with non-metallic component parts shall be resistant to the fluids corresponding to the prescribed material characteristics. 5.7 Non-metallic component parts shall be tested in accordance with ISO 1817 using the test fluids as presc

37、ribed. X 4.8 Pressure tightness 5.8 4.8.1 Nominal pressure Finished fasteners and/or receptacles shall withstand an atmospheric pressure of 0,35 bar for 2 min without leakage, if required by the product standard. 5.8.1 Testing shall be performed using suitable measuring devices. X 4.8.2 Proof pressu

38、re The proof pressure shall be 0,7 bar. 5.8.2 Testing shall be performed using suitable measuring devices. X continued prEN 6095:20067 Table 1 Requirements, inspections and tests (concluded) Clause Characteristic Requirements Clause Inspections and tests A a Q b 4.9 Cycle life of elastomeric parts F

39、asteners containing elastomeric component parts shall have a cycle life conforming to the type of material used. 5.9 Age control in accordance with EN 3445 X 4.10 Special requirements For special applications the flammability, toxicity, odour and outgassing conditions shall not be exceeded. 5.10 The

40、 behaviour of lubricants, paints and other materials shall be tested in accordance with NASA-STD-6001 or similar methods to be agreed between customer and manufacturer. X 4.11 Functionality Safe function of each possible combination of fastener studs with their appropriate receptacles shall be guara

41、nteed. 5.11 Testing shall be performed using suitable devices. X e 4.12 Identification marking 5.12 4.12.1 Identification marking of the product The fasteners shall be marked as specified in the relevant product standards per EN 2424. 5.12.1 Visual examination X X 4.12.2 Identification marking of th

42、e package Each packaging unit shall bear the following information: - Designation f - Quantity - Manufacturers identification or name - Date of packaging - An illustration of the article, if possible f 5.12.2 Visual examination X X a Acceptance test b Qualification test c Applicable to rotary fasten

43、ers for structural application only d Modification of test fixture for testing of short grip length fasteners to be agreed between customer and manufacturer e Customers responsibility f If an illustration is available, the description may be omitted in the designation. 6 Qualification assurance 6.1

44、Approval of manufacturer Approval of manufacturer to be performed in accordance with EN 9100. prEN 6095:20068 6.2 Product qualification Qualification of product to be performed as per Table 2. Table 2 Qualification testing Number of test specimen 1 2 3 4 5 6 7 8 9 10 11 12 Grip length range in mm Te

45、st sequence Inspections and tests Clause up to 6,0 7,5 to 10,5 Non-destructive 1 Materials 4.1 Optional 2 Design and masses 4.2 X X X X X X X X X X X X 3 Surfaces 4.3 X X X X X X X X X X X X 4 Permeability 4.6 X X X X X X X X X X X X 5 Functionality 4.11 X X X X X X X X X X X X 6 Identification mark

46、ing of the product 4.12.1 X X X X X X X X X X X X Destructive 7 Shear fatigue 4.4.5 X X X 8 Shear loads 4.4.4 X X X 9 Tightening and locking torques 4.4.6 X X 10 Torque out of fastener 4.4.7 X X 11 Corrosion resistance 4.5 X X 12 Endurance 4.4.8 X X X X 13 Vibration 4.4.9 X X X X 14 Retainer and/or

47、stud push-out load 4.4.2 X X X 15 Receptacle push-out load 4.4.3 X X X 16 Tensile loads 4.4.1 X X X If required by the relevant product standards, conformance to the requirements of subclauses 4.7, 4.8 and 4.10 shall be verified each on 3 additional fasteners. prEN 6095:20069 7 Acceptance conditions

48、 7.1 Responsibilities of manufacturer See EN 9100. 7.2 Acceptance testing Inspections and tests to be carried out by the manufacturer for acceptance of a delivery batch shall be in accordance with Table 1 except that the sample plan may be varied with the approval of the customer or authority respon

49、sible for acceptance. 7.3 Customer quality control The customer may, on acceptance of a delivery batch, proceed to inspect it by using the inspections specified in Table 1, in full or in part, to ensure that the items conform to the required quality level and to determine whether the consignment is acceptable. This inspection shall be carried out in the customers factory