BS-EN-15302-2008.pdf
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1、BRITISH STANDARD BS EN 15302:2008 Railway applications Method for determining the equivalent conicity ICS 17.040.20; 45.060.01 ? BS EN 15302:2008 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2008 BSI 2008 ISBN 978 0 580 55590 9 Nat
2、ional foreword This British Standard is the UK implementation of EN 15302:2008. The UK participation in its preparation was entrusted by Technical Committee RAE/1, Railway applications, to Panel RAE/1/-/8, Vehicle/track interaction. A list of organizations represented on this committee can be obtain
3、ed on request to its secretary. Definitions of normative and informative. “Normative” A (mandatory) requirement defined as an expression in the content of a document conveying criteria to be fulfilled if compliance with the document is to be claimed and from which no deviation is permitted CEN/CENEL
4、EC Internal Regulations, Part 3: Rules for the Structure and Drafting of European Standards (PNE-Rules). “Informative” Information (not mandatory) intended to assist the understanding or use of the document. Informative annexes shall not contain requirements, except as optional requirements. (For ex
5、ample, a test method that is optional may contain requirements but there is no need to comply with these requirements to claim compliance with the document.) This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Co
6、mpliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publication DateComments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15302 March 2008 ICS 17.040.20; 45.060.01 English Version Railway applications - Method for determining the
7、 equivalent conicity Applications ferroviaires - Mthode de dtermination de la conicit quivalente Bahnanwendungen - Verfahren zur Bestimmung der quivalenten Konizitt This European Standard was approved by CEN on 7 February 2008. CEN members are bound to comply with the CEN/CENELEC Internal Regulation
8、s which stipulate the conditions for giving this 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 Management Centre or to any CEN member. This Europ
9、ean Standard exists in three official versions (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 Management Centre has the same status as the official versions. CEN members are the nat
10、ional standards bodies of Austria, Belgium, Bulgaria, 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
11、 United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15302:
12、2008: E EN 15302:2008 (E) 2 Contents Page Foreword9 Introduction.10 1 Scope 13 2 Normative references13 3 Symbols14 4 Principle of determining the equivalent conicity15 4.1 Integration of the equation of the wheelset movement of a conical profile15 4.2 Determining the wavelength of a conical profile
13、16 4.3 Definition of equivalent conicity for nonlinear profiles.17 5 Description of the reference procedure 17 5.1 General principles17 5.2 Determining the wheel and rail profiles 18 5.2.1 Principles of measurement.18 5.2.2 Accuracy of the measuring system.18 5.3 Determining the rolling radius diffe
14、rence function r .18 5.4 Determining the equivalent conicity19 6 Benchmark calculation .19 6.1 Overview.19 6.2 Validation of evaluation method 19 Annex A (informative) Example of presentation of r function and conicity21 Annex B (informative) Example of method for determining the equivalent conicity
15、 by integration of the nonlinear differential equation 22 B.1 Principle22 B.2 Steps of the procedure25 B.3 Special cases .26 Annex C (informative) Example of method for determining the equivalent conicity by linear regression of the r function.28 C.1 Principles28 C.2 Steps of the procedure28 C.3 Par
16、ticularities.28 Annex D (normative) Reference profiles.29 D.1 Wheel A.29 D.1.1 Drawing.29 D.1.2 Analytic definition29 D.1.3 Cartesian coordinates.30 D.2 Wheel B.31 D.2.1 Drawing.31 D.2.2 Analytic definition31 D.2.3 Cartesian coordinates.32 D.3 Wheel H.33 D.3.1 Drawing.33 D.3.2 Analytic definition33
17、D.3.3 Cartesian coordinates.34 D.4 Wheel I 35 D.4.1 Drawing.35 D.4.2 Analytic definition35 BS EN 15302:2008 EN 15302:2008 (E) 3 D.4.3 Cartesian coordinates.36 D.5 Rail A.37 D.5.1 Drawing.37 D.5.2 Analytic definition .37 D.5.3 Cartesian coordinates.38 Annex E (normative) Calculation results with refe
18、rence profiles39 E.1 Wheel A / Rail A.40 E.1.1 Diagram of r, tan a, tan e functions and representation of contact points40 E.1.2 Representation of the curves of kinematic rolling movement of the wheelset on track .41 E.1.3 Numerical values for r function .42 E.1.4 Numerical values for tan e function
19、.43 E.2 Wheel B / Rail A.44 E.2.1 Diagram r, tan a, tan e functions and representation of contact points .44 E.2.2 Representation of the curves of kinematic rolling movement of the wheelset on track .45 E.2.3 Numerical values for r function .46 E.2.4 Numerical values for tan e function.47 E.3 Wheel
20、H / Rail A.48 E.3.1 Diagram of r, tan a, tan e functions and representation of contact points.48 E.3.2 Representation of the curves of kinematic rolling movement of the wheelset on track .49 E.3.3 Numerical values for r function .50 E.3.4 Numerical values for tan e function 51 E.4 Wheel I / Rail A.5
21、2 E.4.1 Diagram of r, tan a, tan e functions and representation of contact points.52 E.4.2 Representation of the curves of kinematic rolling movement of the wheelset on track .53 E.4.3 Numerical values for r function .54 E.4.4 Numerical values for tan e function.55 E.5 Modified Wheel A (-2 mm on lef
22、t wheel diameter) / Rail A56 E.5.1 Diagram of r, tan a, tan e functions and representation of contact points.56 E.5.2 Representation of the curves of kinematic rolling movement of the wheelset on track .57 E.5.3 Numerical values for r function .58 E.5.4 Numerical values for tan e function 59 E.6 Mod
23、ified Wheel B (-2 mm on left wheel diameter) / Rail A60 E.6.1 Diagram of r, tan a, tan e functions and representation of contact points.60 E.6.2 Representation of the curves of kinematic rolling movement of the wheelset on track .61 E.6.3 Numerical values for r function .62 E.6.4 Numerical values fo
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