METHOD OF MAKING AND FINISHING OF RAIL VEHICLE BODIES TO ACCURATE DIMENSIONS Russian patent published in 1998 - IPC

FIELD: railway transport; making of vehicle bodies to accurate dimensions. SUBSTANCE: in process of making of separate units, including lower frame, roof, side and end face walls to accurate sizes, reference points for checking the sizes arranged at high accuracy are made on body units which are used for application of templates and are used, with due account of their location, for accurate connection and/or fixing of separate members and units at mounting and/or for application of gauges is process of body finishing, and/or as reference points for checking sizes inside the unit proper. After internal finishing the reference points are subjected to facing, if necessary. Reference check points for taking sizes are provided in appliances for manufacture of separate units in places of units onto which technology of manufacture does not affect or affects insignificantly, for instance, bolsters of rail car lower frame. EFFECT: enlarged operating capabilities, improved finishing. 2 cl