1、September 2011 Translation by DIN-Sprachendienst.English price group 14No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).
2、ICS 45.060.01!$tGb“1813663www.din.deDDIN EN 14535-2Railway applications Brake discs for railway rolling stock Part 2: Brake discs mounted onto the wheel, dimensions and qualityrequirementsEnglish translation of DIN EN 14535-2:2011-09Bahnanwendungen Bremsscheiben fr Schienenfahrzeuge Teil 2: Bremssch
3、eiben, die an einem Rad befestigt werden, Abmessungen undQualittsanforderungenEnglische bersetzung von DIN EN 14535-2:2011-09Applications ferroviaires Disques de frein pour matriel roulant ferroviaire Partie 2: Disques de frein monts sur la roue, dimensions et exigences de qualitTraduction anglaise
4、de DIN EN 14535-2:2011-09www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises pages08.1129DIN EN 14535-2:2011-09 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee CEN/TC 256 “Rail
5、way applications” (Secretariat: DIN, Germany). The responsible German body involved in its preparation was the Normenausschuss Fahrweg und Schienen-fahrzeuge (Railway Standards Committee), Working Committee NA 087-00-03 AA Bremse. 2 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14535-2 June 2
6、011 ICS 45.060.01 English Version Railway applications - Brake discs for railway rolling stock - requirements Applications ferroviaires - Disques de frein pour matriel roulant ferroviaire - Partie 2: Disques de frein monts sur la roue, dimensions et exigences de qualit Bahnanwendungen - Bremsscheibe
7、n fr Schienenfahrzeuge - Teil 2: Bremsscheiben, die an einem Rad befestigt werden, Abmessungen und Qualittsanforderungen This European Standard was approved by CEN on 4 May 2011. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
8、European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official ver
9、sions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria
10、, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEA
11、N COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14535-2:2011: EPart 2: Brake di
12、scs mounted onto the wheel, dimensions and quality EN 14535-2:2011 (E) 2 Contents Page Foreword 3Introduction .41 Scope 52 Normative references 53 Terms and definitions .54 Symbols 75 Items to be agreed between contracting parties and documented 75.1 Information to be supplied 75.2 Items for agreeme
13、nt 86 Requirements .96.1 Purpose .96.2 Materials, design and manufacture96.3 Dimensions 106.4 Performance 156.5 Installation . 187 Test methods . 187.1 Type tests (Category A test) 187.2 Application test . 187.3 Routine tests . 198 Classification and designation 208.1 Classification . 208.2 Designat
14、ion . 209 Marking and packaging 219.1 Marking 219.2 Packing and protection 22Annex A (informative) Experimentation in service (checking of the operating requirement) category C2 test 23Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2
15、008/57/EC . 24Bibliography . 27DIN EN 14535-2:2011-09 EN 14535-2:2011 (E) 3 Foreword This document (EN 14535-2:2011) has been prepared by Technical Committee CEN/TC 256 “Railway applications”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national sta
16、ndard, either by publication of an identical text or by endorsement, at the latest by December 2011 and conflicting national standards shall be withdrawn at the latest by December 2011. This document has been prepared under a mandate given to CEN/CENELEC/ETSI by the European Commission and the Europ
17、ean Free Trade Association, and supports Essential Requirements of EU Directive 2008/57/EC. For relationship with EU Directive 2008/57/EC, see informative Annex ZA, which is an integral part of this document. This series of European Standards Railway applications Brake discs for railway rolling stoc
18、k consists of: Part 1: Brake discs pressed or shrunk onto the axle or drive-shaft, dimensions and quality requirements 1 Part 2: Brake discs mounted onto the wheel, dimensions and quality requirements Part 3: Brake discs, performance of the disc and of the pad and disc friction couple, classificatio
19、n1)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. Until Part 3 is made publicly available, the existing relevant national standards o
20、r other suitable regulations should be used as an interim solution where prEN 14535-3 is referenced in this document. NOTE On publication of Part 3, Part 2 may be reviewed to take into account any necessary changes. According to the CEN/CENELEC Internal Regulations, the national standards organizati
21、ons of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal
22、, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. 1)To be published. DIN EN 14535-2:2011-09 EN 14535-2:2011 (E) 4 Introduction This European Standard gives the requirements to be met for the design, dimensions, performance and test-ing of the brake disc, hereafter cal
23、led “disc”. These requirements cannot be written in sufficient detail to en-sure good workmanship or proper construction. Each manufacturer is therefore responsible for taking every necessary step to make sure that the quality of design, workmanship and construction is such as to ensure accordance w
24、ith good engineering practice. DIN EN 14535-2:2011-09 EN 14535-2:2011 (E) 5 1 Scope This European Standard specifies requirements to be met for the design, dimensions, performance and testing of the brake disc. This European Standard applies to brake discs mounted onto the wheel, including the wheel
25、 web or wheel hub of railway rolling stock. For each discrete unit so fitted, one or more disc brake rings, each having one friction face, may be deployed. This European Standard applies to discs designed to be fitted to rail vehicles used on the main national net-works, urban networks, underground
26、railways, trams, private networks (regional railways, company railways, etc.). In addition to the common requirements, this European Standard also requires the items detailed in Clause 5 to be documented. For compliance with this European Standard, both the common requirements and the documented ite
27、ms need to be met. 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 amendments) applies. EN 1447
28、8:2005, Railway applications Braking Generic vocabulary prEN 153282), Railway applications Braking Brake pads 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 14478:2005 and the following apply. 3.1 brake disc rotor having one or more co-planar annular
29、 friction faces for the engagement of brake pads and means of transmitting rotation between itself and the associated web or hub NOTE 1 It may absorb and dissipate at least part of the brake energy. NOTE 2 This definition is identical to 4.9.7.10 in EN 14478:2005. 3.2 friction face radially and circ
30、umferentially extending planar surface of the disc available for frictional engagement of the brake pad(s) 3.3 brake ring portion of the disc having the friction face 2)To be published. DIN EN 14535-2:2011-09 EN 14535-2:2011 (E) 6 NOTE 1 Brake rings having a continuity of material allowing in that v
31、olume no flow of air are ”non-ventilated”. Otherwise they are ”ventilated”. NOTE 2 Brake rings being of homogenous material construction behind the friction face are ”homogenous” or otherwise ”non-homogenous”. NOTE 3 Brake rings may consist of one or more sectors and may have continuous or non-conti
32、nuous friction faces. NOTE 4 Split brake rings are those which are separated into two halves. Segmented brake rings are those which are separated into more than two parts. 3.4 fastening area portion of the disc having means for the fastening on the wheel NOTE The fastening area may be constructed in
33、tegral with the brake ring or connected to it by a separate linking arrangement. 3.5 non-ventilated disc (solid disc) disc having a continuity of material or materials extending from the friction face axially to the rear face so preventing the flow of air through the body of the disc 3.6 ventilated
34、disc disc in which passages to conduct a flow of cooling air are located between the friction ring and the web of the wheel NOTE The airflow is usually occasioned by the rotation of the disc. 3.7 maximum permissable disc temperature highest operating temperature related to the application NOTE This
35、may be expressed as an absolute peak value or as a nominal value over a defined period of time. 3.8 split disc disc in which the brake ring is separated in two halves 3.9 segmented disc disc in which the brake ring is separated in more than two parts 3.10 maximal permissible rotational speed highest
36、 rotational speed related to the application 3.11 direct actuation brake in which the brake pad normal force is applied directly (as in the case of an ”automobile” type of brake caliper) 3.12 indirect actuation brake in which the brake pad normal force is applied via a lever system 3.13 part uniquel
37、y identified pattern of a detail in an assembly or a component DIN EN 14535-2:2011-09 EN 14535-2:2011 (E) 7 3.14 identification number number for identification of the part, item or article 3.15 performance class set of the values of brake energy, braking power and brake torque, related to the outer
38、 diameter, width and type of the disc, at which it is type tested to demonstrate its capability to withstand these conditions without exceeding the defined limits of structural degradation NOTE Discs are categorized into the performance classes according to the tests to be covered in prEN 14535-33):
39、 Brake discs, performance of the disc and of the pad and disc friction couple, classification. 3.16 braking energy energy dissipated per disc 3.17 braking torque torque per disc generated by the brake calliper and the pad friction value 3.18 braking power braking energy per unit time 4 Symbols For t
40、he purpose of this European Standard, the following symbols apply. Table 1 Symbols and units Symbol Description Unit d Diametrical dimension mm RaSurface roughness (arithmetical mean deviation of the assessed profile) m RzSurface roughness (maximum height of profile) m U Imbalance g m x Axial dimens
41、ion mm 5 Items to be agreed between contracting parties and documented 5.1 Information to be supplied The following information to be supplied shall be fully documented. For compliance with the standard both the common requirements specified throughout the standard and the following documented items
42、 shall be satisfied: any special conditions for manufacture and any special characteristics for the materials used (6.2, Note 1); 3)To be published. DIN EN 14535-2:2011-09 EN 14535-2:2011 (E) 8 access to the wheel for testing and checking without dismantling the disc, including envelope dimensions (
43、6.3.2, note); any requirement for surface roughness other than that specified in this standard (6.3.4, note); values for imbalance class 3, if appropriate (6.3.5, note); approved test method for crack detection (6.4.2); whether a declaration of the constant brake moment is required (6.4.3, note); wh
44、ether a declaration of the ventilation losses is required (6.4.4, note); environmental conditions, which the disc is required to be able to withstand (6.4.7); identification and traceability of the manufacturing process of the discs and their component parts at all stages of production, inspection a
45、nd delivery (7.3.3); format, storage medium and retrieval system for records if other than the normal practice of the supplier (7.3.5, Notes 1 and 2); method of marking if other than those specified in this European Standard (9.1.3). NOTE Usually these items of information are supplied by the purcha
46、ser. 5.2 Items for agreement The following items to be agreed between the contracting parties are specified in the clauses referred to and shall be fully documented. For compliance with the standard both the common requirements specified throughout the standard and the following documented items sha
47、ll be satisfied: form of the disc fastening areas features (6.3.1, note); indication of disc wear limits (6.3.3); process used to achieve the imbalance requirement other than that specified in this European Standard (6.3.5); dimensional tolerances for discs having a maximal permissible rotational sp
48、eed greater than 2 200 rpm (6.3.6); maximum values for corrugation, swashing and buckling for disc designs other than those in which the fastening points are centred (6.4.2); corresponding values after a category C2 test (6.4.2, 7.2 and Annex A); performance test (category B, C1) (6.4.6 and 7.2); in
49、-service limit (6.4.7); method of calculation for verification of requirements for wheel and brake disc (6.5); any additional marking (9.1.2); packing and protection (9.2); time duration or number of kilometres for test (Annex A); DIN EN 14535-2:2011-09 EN 14535-2:2011 (E) 9 number of discs and vehicles used for the checking of the operating requirement (Annex A); any controls to be realized
