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1.适用范围本标准对铁道车辆使用的碳素钢车轴(以下称为车轴)作了规定。 2.种类和符号车轴的种类和符号如表1所示。 3.化学成份车轴材料的化学成分如表2所示。 4.机械性能车轴材料热处理后的机械性能如表3所示。其中第4种是表示高频淬火以前的数值。 5.形状、尺寸和表面粗糙度(参考) 车轴的形状、尺寸及表面粗糙度规定如下。 (1)客货车、机车、电车及柴油动车用的从轴见附图1和附图2所示。 (2)机车、电车及柴油动车用的动轴见附图3所示。
1. Scope This standard specifies the carbon steel axles used for railway vehicles (hereinafter referred to as axles). 2. Types and Symbols The types and symbols of axles are shown in Table 1. 3. Chemical composition Axle material chemical composition shown in Table 2. Mechanical properties Axle material after heat treatment mechanical properties shown in Table 3. The fourth is the value before induction hardening. 5. Shape, Size and Surface Roughness (Reference) The shape, size and surface roughness of the axle are defined as follows. (1) The slave axles used for vans, locomotives, trams and diesel vehicles are shown in Figure 1 and Figure 2. (2) The moving shafts for locomotives, trams and diesel vehicles are shown in Figure 3.