EN 13104:2009/FprA1

EN 13104:2009/FprA1 is a draft published by the European Committee for Standardization (CEN). Its full title is "Railway applications - Wheelsets and bogies - Powered axles - Design method". This standard covers: This standard: 1) defines the forces and moments to be taken into account with reference to masses, traction and braking conditions; 2) gives the stress calculation method for axles with outside axle journals; 3) specifies the maximum permissible stresses to be assumed in calculations for steel grade EA1N defined in EN 13261; 4) describes the method for determination of the maximum permissible stresses for other steel grades; 5) determines the diameters for the various sections of the axle and recommends the preferred shapes and transitions to ensure adequate service performance. This standard is applicable to: 6) solid and hollow powered axles for railway rolling stock; 7) solid and hollow non-powered axles of motor bogies; 8) solid and hollow non-powered axles of locomotives3; 9) axles defined in EN 13261; 10) all gauges4. This standard is applicable to axles fitted to rolling stock intended to run under normal European conditions. Before using this standard, if there is doubt as to whether the railway operating conditions are normal, it is necessary to determine whether an additional design factor has to be applied to the maximum permissible stresses. The calculation of wheelsets for special applications (e.g. tamping/lining/levelling machines) may be made according to this standard only for the load cases of free-running and running in train formation. This standard does not apply to workload cases. They are calculated separately. For light rail and tramway applications, other standards or documents agreed between the customer and supplier may be applied.

This standard: 1) defines the forces and moments to be taken into account with reference to masses, traction and braking conditions; 2) gives the stress calculation method for axles with outside axle journals; 3) specifies the maximum permissible stresses to be assumed in calculations for steel grade EA1N defined in EN 13261; 4) describes the method for determination of the maximum permissible stresses for other steel grades; 5) determines the diameters for the various sections of the axle and recommends the preferred shapes and transitions to ensure adequate service performance. This standard is applicable to: 6) solid and hollow powered axles for railway rolling stock; 7) solid and hollow non-powered axles of motor bogies; 8) solid and hollow non-powered axles of locomotives3; 9) axles defined in EN 13261; 10) all gauges4. This standard is applicable to axles fitted to rolling stock intended to run under normal European conditions. Before using this standard, if there is doubt as to whether the railway operating conditions are normal, it is necessary to determine whether an additional design factor has to be applied to the maximum permissible stresses. The calculation of wheelsets for special applications (e.g. tamping/lining/levelling machines) may be made according to this standard only for the load cases of free-running and running in train formation. This standard does not apply to workload cases. They are calculated separately. For light rail and tramway applications, other standards or documents agreed between the customer and supplier may be applied.

EN 13104:2009/FprA1 is classified under the following ICS (International Classification for Standards) categories: 45.040 - Materials and components for railway engineering; 45.060.01 - Railway rolling stock in general. The ICS classification helps identify the subject area and facilitates finding related standards.

EN 13104:2009/FprA1 has the following relationships with other standards: It is inter standard links to EN 13104:2009+A1:2010, EN 13104:2009. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

EN 13104:2009/FprA1 is associated with the following European legislation: EU Directives/Regulations: 2008/57/EC; Standardization Mandates: M/275, M/334. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.

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