METHOD OF MOUNTING WHEELSET AXLE-BOX UNITS Russian patent published in 2007 - IPC B61F5/26 B61F15/12 F16C43/04 

FIELD: railway transport; repair of axle-box units.

SUBSTANCE: according to proposed method, repaired parts of axle-box units are delivered to position of wheelset to be repaired, with inner races of bearings installed on journals of axle. Numerical values of outer diameters of rear and front inner races are measured and stored. Using measuring, pair of bearings is identified with dimensional groups of repeat accumulation of bearing corresponding to dimensional groups of their main accumulation made after post-process gauging, and light checking of group is carrier after which they are fitted in axle-box unit. Prior to mounting of axle-box unit, range of spread of temperature values of bearing inner races is determined. Within the limits of said range, dependence of numerical values of outer diameter of inner races on their temperature is determined and stored. At post-process gauging and measuring of diameter of inner faces, temperature of each bearing and inner races are determined and store, and mean temperature of each of main accumulations of bearings is determined and stored. Prior to identification of pair of bearings in repeat accumulation, correction of numerical values of measured outer diameters of inner races according to said dependence is done, and numerical values of outer diameters of inner races for said mean temperature is determined and stored. Newly found values of outer diameters of inner races are used at identification of pair of bearings at repeat accumulation.

EFFECT: enlarged technological capabilities, improved quality and increased capacity at mounting of axle-box units of wheelset.

1 tbl