Production method of chassis of railway vehicle
A production method and technology of railway vehicles, applied in the direction of auxiliary devices, auxiliary welding equipment, welding/cutting auxiliary equipment, etc., can solve the problem of affecting the assembly efficiency of steel structure underframe components, the inconsistency of design standards and process standards, and affecting corbel beams, etc. Solve problems such as component installation accuracy, achieve good market prospects, reasonable positioning methods, and high positioning accuracy
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[0038] The production method of the railway vehicle underframe of this embodiment is based on figure 1 The underframe shown is the realization of the front-mounted tire (the figure only shows the structure of the half side of the front-mounted tire, and the other half is symmetrical to the structure). The original front-mounted tire includes three parallel vertical frames 1, 1', 1", and four large horizontal Frames 8, 8', the upper end surfaces of vertical frames 1, 1', 1" are located in the same horizontal plane (flatness is about 1mm), and large horizontal frames 8, 8'are perpendicular to vertical frames 1, 1', 1" and can be Move and position arbitrarily on the vertical frames 1, 1', 1", the two large horizontal frames 8 are located at the outer ends of the vertical frames 1, 1′, 1" corresponding to the end beams of the underframe, and the other two large horizontal frames 8′ The inner ends of the vertical frames 1, 1', 1" correspond to the bolsters on both sides of the underf...
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