High Speed Wheel / Rail Contact Simulation System
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High Speed Wheel / Rail Contact Simulation System The high speed wheel & rail contact simulation system is to analyze and measure all the matters between wheel and rail contact surface during the high speed rotation. The system is organized by the main frame, wheel & rail disk specimen, wheel & rail driving motor, radial & thrust load actuator, contact angle & attack angle adjuster, EMG brake, environmental chamber, main control system, sensors, and etc. There are various test can be done by this system such as rolling contact test (RCF test), adhesive strength test, wear test, etc. from subway to high speed train. In addition, the system has environmental simulation equipment of water, oil, air, sand injection with temperature control (-30°C~80°C).

The Best Solution for Test Performance Specification Specimen Wheel & Rail: up to lOOOmm(diameter) Radial Force Max. 180kN, ±2.5mm@20Hz Thrust Force Max. lOOkN, ±7.5mm@20Hz Torque Control 1 % of full scale Contact Angle 0~3° (1 % of full scale) Attack Angle -3°~-+3° (1 % of full scale) Environment Dry, Wet, Oil, Sand, Temperature, Humidity Controller rpm, Radial & thrust force, Slip rate, HSM, Environment, Laser scan Control System Manual Contact & Attack angle, Test space adjustment Safety Device Safety shield, EMG(motor current, acceleration, BRG temp.) CCD...

Wheel Driving Motor Radial Actuator Wheel Specimen Thrust Actuator Specifications Motor type : AC servo motor Power: 355kw Drive shaft: Continuous Velocity (CV) joint Wheel High rigidity spindle Driving Spindle oil lubrication system Module Speed range : 0~2470rpm at 1000mm dia. Radial force capacity of spindle : 180kN Thrust force capacity of spindle : lOOkN Static tolerance of spindle : 150% EMG brake system should is included Specifications Force rate : 180kN Radial Hydro-static bearing type Actuator Stroke: ±75mm Dynamic performance : ±2.5mm @ 20Hz Force rate :...

The actuators are equipped with differential pressure stabilization capabilities to minimize oil column resonance effects and designed to provide minimum friction and to allow for high overturning moments. The Intima actuators utilize polymer hydrostatic rod bearings with close tolerance machining and elimination of high pressure seals. Engineering hydraulic cushions are included in the cylinder end-caps to protect the actuators from an unplanned open loop condition. A fatigue rated one-piece piston rod is used to ensure long service life. The actuators are designed to keep the resonance...

The Best Solution forTest The torque sensor is including the telemetry which is the non-contact type. Therefore, it is easy to maintenance. The rail driving module is set at the high rigidity fixture (horizontal direction) for the attack angle adjustment. Contact Angle Adjuster The contact & attack angle of the specimen can be adjusted by the mechanical structure. The contact angle adjuster is to simulate the real contacting condition between the wheel and rail. Form the above picture, this equipment can rotate the wheel driving module (clock wise 0°~+3°) around the wheel specimen. The user...

The Best Solution for Test Specifications - Temperature range : -30 rc ~ +80 rc - Humidity range: 30% - 98% (Absolute humidity) - Temperature profile control by controller - Oil injection system (max. 51pm) - Water injection system (max. 51pm) Environmental chamber - Sand injection system (max. 5kg/min) - Container for oil, water, sand min. volume : 5 liter and the equipment with nozzle system for simulating second environment such as water, oil, air and sand. The environment chamber is designed to set at the main frame easily and controlled by the main control system for the temperature...