Locomotive wheel tread (locomotive wheel tread) the contact part of the wheel and rail. Tread. Tread with the inside of the rails protruding part of the known as the rim, the role of the rim is to prevent the wheel derailment, the wheel through the curve, the rim and the outside The inside of the rail contact, guide the locomotive running on the curve. Tread shape of the locomotive running performance has a great impact, the design must be reasonable. Tread must have a slope, Figure 1 for the Chinese locomotive taper tread shape. In the axle on the wheel, the two wheel edge distance of 1353mm, in the wheel assembly must be strictly checked when the size, the distance determines the gap between the rim and rail
