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.
| ā | Section D | Section E | Area (mm2) | Longitudinal length (mm) | Lateral length (mm) | Positions | Area (mm2) | Longitudinal length (mm) | Lateral length (mm) | Positions |
| Standard profile | 73 | 23 | 3 | Nose rail | 80 | 16 | 7 | Nose rail | Profile I | 98 | 21 | 5 | Nose rail | 85 | 16 | 5 | Nose rail | Profile II | 110 | 20 | 6 | Nose rail | 60 | 17 | 6 | Nose rail | Profile III | 105 | 22 | 5 | Wing rail | 58 | 21 | 3 | Nose rail | Profile IV | 152 | 26 | 8 | Wing rail | 104 | 19 | 6 | Nose rail |
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