Manufacturing method of lightweight traction beam for heavy-duty trucks

1. The present invention belongs to the technical field of railway vehicle design, in particular to the technical field of railway vehicle component design, and specifically relates to a lightweight traction beam composition for heavy-duty trucks.

Background technique:

2. The traction beam is the main component of the railway freight car body, the main path for the longitudinal force transmission between the freight cars, and the link between the car body and the running part. At present, the welded traction beam of the heavy-duty freight car has its own weight. Problems such as cracks occur when the lower cover plate of the high-strength steel thick plate structure is leveled.

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