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Pipe truss refers to a lattice structure composed of round rods connected to each other at the ends. The truss makes the material of the truss structure economical, the structure is light in weight, and it is easy to form various shapes to suit different uses, such as simply supported trusses, arches, frames and towers. A truss refers to a lattice structure composed of rods connected to each other at the ends, and a pipe truss means that the rods in the structure are all round pipe rods. In most cases, the rods in the truss are only subjected to axial tension or pressure, and the stress is evenly distributed on the cross-section, so it is easy to play the role of materials. These characteristics make the truss structure economical in materials and small in structure. It is easy to form various shapes to adapt to different uses, such as simply supported trusses, arches, frames and towers, etc. Therefore, truss structures are used in many large-span venue buildings today, such as convention and exhibition centers, stadiums or some other large-scale It is widely used in public buildings.

A truss refers to a lattice structure composed of rods connected to each other at the ends, and a pipe truss means that the rods in the structure are all round pipe rods. In most cases, the rods in the truss are only subjected to axial tension or pressure, and the stress is evenly distributed on the cross-section, so it is easy to play the role of materials. These characteristics make the truss structure economical in materials and small in structure. It is easy to form various shapes to adapt to different uses, such as simply supported trusses, arches, frames and towers, etc. Therefore, truss structures are used in many large-span venue buildings today, such as convention and exhibition centers, stadiums or some other large-scale It is widely used in public buildings.

Most of the rods in the truss structure are connected by welding at the nodes. Before welding, the web and chord must be cut according to the shape of the welding seam of each rod to be welded. Ends are cut with intersecting lines and chords are grooved. Since the rods in the truss structure intersect with each other in the form of intersecting lines, the cross-sectional shape of the rod ends is relatively complex, so in the actual cutting process, two methods of mechanical automatic cutting processing and manual manual cutting processing are generally used. processing.