Research Article

Influence of Full-Life Cycle Wheel Profile on the Contact Performance of Wheel and Standard Fixed Frog in Heavy Haul Railway

Table 3

The contact spot size and contact position of each type of profile at Section D and Section E.

 Section DSection E
Area (mm2)Longitudinal length (mm)Lateral length (mm)PositionsArea (mm2)Longitudinal length (mm)Lateral length (mm)Positions

Standard profile73233Nose rail80167Nose rail
Profile I98215Nose rail85165Nose rail
Profile II110206Nose rail60176Nose rail
Profile III105225Wing rail58213Nose rail
Profile IV152268Wing rail104196Nose rail