Classification of the Truss Girder Welding Machine
The truss girder welding machine are often classified according to mechanical sketches, shapes of appearance and structural features.
① According to the mechanical diagram, it is divided into simple and continuous; static and hyperstatic, flat and spatial. The simply supported truss girder welding machine are the most widely applied.
② According to the contour, it can be divided into triangles, trapezoids, parallel strings and polygons. The trusses with steep roof slopes often use triangular truss girder welding machine, and the span is generally below 18~24 meters. The trusses with flat slopes often use trapezoids truss girder welding machine with a span of 18~36 meters, which is widely used. Other types of truss girder welding machine are often constructed with relatively simple parallel steel trusses. Polygonal truss girder welding machine are more to be stressed, but they are more complicated to manufacture and are used only in long-span truss girder welding machine at some times. The tower is usually in the shape of a straight line or a broken line.
③ According to the internal force of the rod, the cross section of the rod and the structural characteristics of the joint, it is divided into ordinary, heavy and light truss girder welding machine. Ordinary truss girder welding machine generally use single-abdominal rods, usually T-sections composed of two steel angles, and sometimes cross-shaped, trough-shaped or tubular-shaped sections are adopted too, connected by a gusset plate at the joint, simple structure and most widely applied. Heavy-duty truss girder welding machine with a shape or box section composed of steel board or steel section, the joints are connected with two parallel gussets; they are often used for truss girder welding machine with large spans and loads, such as bridges and large-span roof structures. The light truss girder welding machine is made up of small angle steel and round steel or thin-walled steel; the joints can be connected with gussets, and the bars can be directly connected; it is mainly used for small span and light roof structures.
January 25, 2021After a period of use, the internal parts of the steel rebar bending machine will show a certain degree of wear. If it is not maintained in time, the service life of the equipment will be reduced, and...view
July 25, 2018The bending machine is used to test the repeated bending properties of metallic material which its diameter is 3--8mm and show its defects.view
January 11, 2021As we all know, once the popular products come to the market, there will be many counterfeit products. Some counterfeit products are basically the same except for some details, which may not be distin...view
March 26, 2019Now the rebar cutting machine on the market has been improved through a few years, now the equipment that we can see has been more fully functional.view
April 7, 2022Steel bar cutting machines are designed to cut all types of round bars and fixed length bars. It is a typical steel bar cutting machine. There are generally two types of steel bar cutting machines on ...view
November 15, 2018(1) Positioning Welding1. To meet the requirements of installation accuracy and quality in accordance with the technical specifications of the drawings, position welding can be allowed.2. If the truss...view