Demystifying the application characteristics of aerobic welding torch in flame brazing!
Release time:
2022-06-16
【Summary Description】 Aerobic welding torch is the use of combustible gas and oxygen or compressed air mixed combustion flame as a heat source for welding.
At present, brazing in machinery, motor, instrument, radio and other departments have been widely used.brazingIt is a method of using metal materials lower than the melting point of the base material as brazing materials, heating the welding parts and brazing materials to higher than the melting point of the brazing materials and lower than the melting temperature of the base material, wetting the base material with liquid brazing materials, filling the joint gap and diffusing with the base material to connect the welding parts. Among them, the more commonly used welding torch for flame brazing isAerobic welding gunCompared with welding, the base metal does not melt during brazing, only the brazing filler metal melts, and compared with pressure welding, no pressure is applied to the weldment during brazing.
The brazing deformation is small, the joint is smooth and beautiful, and it is suitable for welding precision, complex and components composed of different materials, such as honeycomb structural plates, turbine blades, carbide tools and printed circuit boards. Before brazing, the workpiece must be carefully processed and strictly cleaned to remove oil and excessive thick oxide film to ensure the interface assembly gap. The gap is generally required to be between 0.01 and 0.1mm.
Aerobic welding torch is the use of combustible gas and oxygen or compressed air mixed combustion flame as a heat source for welding. The flame brazing equipment is simple and easy to operate. According to the shape of the workpiece, multiple flames can be used to heat and weld at the same time. This method is suitable for the welding of small and medium parts such as bicycle frames and aluminum kettle nozzles.
After welding, the surface of the joint is smooth, the air tightness is good, the shape and size are stable, the organization and performance of the weldment change little, and the same or different metals and some non-metals can be connected. When brazing, the workpiece can also be heated as a whole, and many welds can be welded at one time, thus improving productivity.
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