Devices for measuring geometrical parameters of rolling stock wheel sets
The devices are intended for measuring diameter of wheel rolling circle, geometric parameters of wheel flanges, tire thickness and for taking roll surface wear profile of wheel sets of railway, tube and tram vehicles.
Wheel diameter measuring gauge, IDK Series
Electronic gauge is designed for measuring wheel rolling circle diameter. Measurements are made directly on rolling stock without wheel set roll-out. The measurement of the diameter is performed according to the "three points" technique, without the complete wheel coverage. The gauge contains numeric display to show the value of the wheel diameter.
The laser profilometer is employed for measuring geometrical parameters of the wheel flange (thickness, slope, height), tire thickness and for taking full profile of the wheel roll surface.
An RF600 laser module placed inside the profilometer casing performs angular scanning of the wheel surface being driven by a mini-stepper. An sensor placed inside the grip makes it possible to measure the tire thickness. The digital display unit connected to the profilometer performs conversion form angular-to-orthogonal co-ordinates with respect to the wheel, calculation, display and storage of parameters and profiles (up to 500 in number) for subsequent transmission to a wheel-pair wear database management system.
Devices performance specification
Wheel diameter measurement range, mm
|Flange height measurement range, mm
|Flange slope measurement range, mm
|Profile taking range
||110 mm from tire edge to flange top|
|Diameter measurement error, mm
|Measurement error for other parameters
Software for automated wear control of wheel sets
manual and automatic (using IKP series devices) entry of data about wheel sets wear level for the locomotive fleet of a depot;
automatic control of the wear in excess of the permissible level;
maintenance of inspection reports and wear records log;
automatic formation of reports on the intensity of wheel sets wear;
general analysis of the wheel sets condition;
projection of the date the limiting wear is reached;
automatic analysis and optimisation of end re-rolling operations taking the wheel sets reserve into account;
in-process examination of wheel sets profile changes as compared to any normal profile (using a IKP laser profile-meter);
automatic formation of any records and reports.