我国《铁路工务规则》规定,铺设无缝线路的最小曲线半径为600m。经过研究,在现用机车车辆条件下,可铺到400m。 机车车辆运行时,靠钢轨和车轮踏面导向。由于几何原因,当机车通过曲线时,轮轨之间必然产生比直线上大得多的导向力。导向力的作用方向与轨道中心线垂直,又称它为横向力。 China’s “Regulations on Railway Works” stipulates that the minimum radius of the curve for laying a seamless line is 600m. After research, in the current locomotive vehicle conditions, can shop to 400m. Locomotive and rolling stock operation, by rail and wheel treads oriented. Due to geometrical reasons, when the locomotive passes the curve, a much larger guiding force will be generated between the wheel and the rail than on the straight line. The direction of the guiding force is perpendicular to the centerline of the track, which is also called lateral force.