1、BRITISH STANDARD AEROSPACE SERIESBS EN4111:2006Wrenches, splined, socket for pipe fittings Technical specification The European Standard EN 4111:2006 has the status of a British StandardICS 49.030.99g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g
2、59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 4111:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2006 BSI 2006ISBN 0 580 48531 5National forewordThis British Standard is
3、 the official English language version of EN 4111:2006. The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to
4、 its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electroni
5、c Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to unders
6、tand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a fro
7、nt cover, an inside front cover, the EN title page, pages 2 to 8, an inside back cover and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE
8、NORMEN 4111May 2006ICS 49.030.99English VersionAerospace series - Wrenches, splined, socket for pipe fittings -Technical specificationSrie arospatiale - Cls et embouts cannels, tuyauter -Spcification techniqueLuft- und Raumfahrt - Ringschlssel, offen, verzahnt -Technische LieferbedingungenThis Europ
9、ean Standard was approved by CEN on 6 February 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references conc
10、erning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own la
11、nguage and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Ma
12、lta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploi
13、tation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 4111:2006: E2 Contents Page Foreword 3 1 Scope .4 2 Normative references .4 3 Terms and definitions.4 4 Required characteristics 4 5 Test methods.5 6 Quality assurance .6 7 Marking/packaging6 EN 4111:20063 For
14、eword This European Standard (EN 4111:2006) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associa
15、tions and the Official Services of the member countries of AECMA, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2006, and conflicting national standard
16、s shall be withdrawn at the latest by November 2006. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Inte
17、rnal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Nethe
18、rlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 4111:20064 1 Scope This standard specifies the requirements which must be met by hand-operated splined wrenches and sockets for aerospace applications. 2 Normative references The foll
19、owing 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. ISO 4156, Straight cylindrical involute splines Metric mo
20、dule, side fit Generalities, dimensions and inspection. ISO 6508 (all parts), Metallic materials Rockwell hardness test. EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts. 3 Terms and definitions For the purposes of this standard, the following
21、 terms and definitions apply. 3.1 batch a batch consists of wrenches or sockets of the same types and of the same materials defined by the same standard 4 Required characteristics 4.1 Materials The materials shall meet the required characteristics specified in the product standard. 4.2 Physical char
22、acteristics 4.2.1 Surface condition/appearance The hand-operated wrenches or sockets shall be free from pitting, deposits, forging flashes, cracks, splits, burrs and other defects liable to impair their characteristics and their endurance and to cause injury to operators. 4.2.2 Surface coating The s
23、urface coating shall be that laid down in the product standard. 4.2.3 Characteristics of the inner profile of the splines All of the splines shall be free from burrs and rough spots. The surface roughness is specified in the product standard. EN 4111:20065 4.3 Mechanical characteristics The strength
24、 and endurance of the various types of wrench are tested by torque tests, the procedures for which are described in Clause 5. At the end of the strength and endurance test, the wrenches or sockets shall not exhibit deterioration or distortion as defined below: The tips of the splines shall not exhib
25、it rounding or fretting and shall be in accordance with the characteristics described in 4.2.3; The wrench or socket shall be free from cracks; The general surface condition shall be in accordance with the requirements of 4.2.1; Distortion of more than 0,05 mm of the outer diameter of the sockets an
26、d wrench heads; The surface coating shall show no significant sign of deterioration or flaking; Permanent distortion of the wrench handle of more than 5; A Rockwell hardness test (ISO 6508) shall demonstrate values in accordance with the values indicated in the product standard. 4.4 Dimensions and t
27、olerances The dimensions and tolerances shall be in accordance with requirements of the product standard. 5 Test methods 5.1 Test equipment The wrenches or sockets are fitted on a splined test mandrel. The mandrel dimensions for a relevant wrench shall be based on the maximum corresponding values fo
28、r an external 45 pressure angle side fit root radius 6H spline to ISO 4156, and a hardness of 60 HRC. 5.2 Test on splined wrenches and sockets The wrenches or sockets shall be fully engaged on the mandrel; during the test, the wrench shall be moved smoothly without knocks and jerks. The load shall b
29、e applied as far away as possible on the arm of the wrench or at the driving square of the sockets, perpendicularly to the axis, continuously and progressively up to the torque value appropriate to the wrench under test. 5.3 Conduct of the test On each wrench or socket tested, carry out a cycle of 5
30、00 applications, at maximum rate of 60 per minute, at the endurance torque indicated in Table 1. At the end of each 100 applications, apply the resistance torque, which is equivalent to 1,5 times the endurance torque indicated in Table 1, and move the wrench 1/8 of a turn. In the case of double-ende
31、d wrenches, each end shall be tested. EN 4111:20066 Table 1 Resistance and endurance torque values DN aResistance torque Nm Endurance torque Nm 4 27 18 6 42 288 48 3210 54 36 12 62 4213 66 4414 71 47 16 83 5518 98 6520 128 85 22 5 1025 188 125 32 21 14aDN: Diameter Nominal (outside diameter of the c
32、orresponding pipe) 6 Quality assurance 6.1 Qualification EN 9133: Requirement for ISO 9000:2000 not applicable. Qualification tests specified in this document shall be applied to each type and each dimensional combination of wrench of socket in accordance with Tables 2 and 3. Some or all of these te
33、sts may also be used for acceptance of function where a more comprehensive test proves necessary. 6.2 Acceptance The aim of the acceptance tests is to check, as simply as possible, that wrenches or sockets from different batches satisfy the requirements of this standard. The acceptance tests shall b
34、e conducted on wrenches or sockets chosen at random from different production batches in accordance with Tables 4 and 5. 7 Marking/packaging 7.1 Marking The marking is specified in the product standard. EN 4111:20067 7.2 Packaging The packaging of the wrenches or sockets is left to the choice of the
35、 manufacturers. Table 2 Summary of qualifications and production acceptance tests Qualification Production acceptance Characteristics Clause Sample size Clause Sample size Non destructive Dimensions and tolerances 4.4 5 4.4 Table 4 Marking 7.1 5 Surface condition/appearance 4.2.1 5 4.2.1 Table 4 Sur
36、face coating 4.2.2 2 Characteristics of the inner profile of the splines 4.2.3 2 4.2.3 Table 4 Destructive Test methods 5 4 5 Table 5 Mechanical characteristics 4.3 4 Table 3 Qualification tests for each size of wrench or socket sample Wrench or socket sample number Type of test Defined in1 2 3 4 5
37、Non destructive Dimensions and tolerances 4.4 X X X X X Marking 7.1 X X X X X Surface condition/appearance 4.2.1 X X X X X Surface coating 4.2.2 X X Characteristics of the inner profile of the splines 4.2.3 X X Destructive Test methods 5 X X X X Mechanical characteristics 4.3 X X X X EN 4111:20068 T
38、able 4 Sampling plans for visual inspections and dimensional characteristics Acceptance number (Ac) and limiting quality (LQ) in accordance with the acceptable quality level (AQL) AQL 2,5 % Batch size Sample size Ac LQ10% 20 3 21 to 50 5 51 to 90 8 0 91 to 150 10 1 90 151 12 2 80 Table 5 Sampling pl
39、ans for torque test Sample size Destructive test Production size Wrench Socket 20 21 to 50 0 0 51 to 90 91 to 150 1 2 a1 151 2 2 aaAt each end EN 4111:2006blankBS EN 4111:2006BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for pr
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