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针对现有转向架车轮踏面形状,通过加宽轨距、改变内轨垫板角和内轨顶面的非对称削正3项措施,达到扩大内外轨轮径差,提高曲线通过性能的目的。
Aiming at the wheel tread shape of the existing bogie, three measures of widening the gauge, changing the angle of the inner rail pad and the top of the inner rail are adopted to achieve the purpose of expanding the diameter difference between the inner and outer rails and improving the curve passing performance.