Liebherr-Transportation Systems GmbH & Co KG Liebherrstraße 1, A-2100 Korneuburg +43 5 08 09 51 0 www.liebherr.com, E-Mail: [email protected] Z X Y General Technical Data Characteristics Value Stroke – cylinder +/- 15 mm 100% radial adjustment for ~180 m curve radius 2.7 m wheelbase to radius of actuator force +/- 45 kN Actuation speed 7 mm/s Diameter actuator 190 mm Width actuator 130 mm Parasitic stiffness in X-direction - Actuator - Primary Suspension 0 N/mm bogie specific (200 – 500 N/mm) Transverse stiffness of actuator Cy 2.0 - 7.0 kN/mm Longitudinal stiffness of actuator Cx >= ~25 kN/mm Product Features: • Reduction of track damage (lower track access charges) • Reduction of wheel wear • Lower lateral wheel rail forces, track shifting and single wheel force • Reduction in rolling resistance compensates more than energy consumption of eCAS system • Significant reduction of rolling contact fatigue • Elimination of squealing noise in narrow curves • Retrofitable on existing bogies • Position control independent of wheel/rail condition • Position control algorithm adjustable by software • One actuator per wheelset, compact unit, depending on space restrictions (gauge) Optional: • Diagnostic function of bogie and track conditions • Integration into train network This project is partly-funded by the Department for Transport (DfT), United Kingdom and managed by the Rail Safety and Standards Board (RSSB), United Kingdom Electrohydraulic Controlled Axle Steering (eCAS) BK AER-10.172_web-04.19_en Subject to technical modifications.