Friction stir welding is generally used in what fields

You may have heard of friction stir welding technology, the technology was officially introduced in 1991, as soon as it appeared, it has received the attention of the world, the welding technology is a more mature process, used for some high-end welding, aerospace structural parts, manufacturing, basically have used this welding technology, and now the new friction stir welding technology appears, There are several affiliated technologies, which are used in many fields, and several are representative, friction stir welding, which also has some innovation, adaptive friction stir welding technology between double bamboo, dynamic control of low stress and no deformation stir welding technology, composite heat source stir welding technology, double-head stir welding friction technology.

Widely used in a variety of welding technologies, especially the overall structural parts of aircraft, as well as the law of friction stress deformation research, in mega shipbuilding aerospace, have a wide range of applications, the processing process is relatively special, some large objects, such as rocket storage boxes, basically use this welding technology, greatly reducing the heat loss of the weld. Thermal efficiency has also been improved, friction stir welding, good application in the current aerospace field, some aluminum alloy profiles, often need better welding technology, strength coefficient, in the welding process, in order to avoid this defect, but also need material processing to meet the requirements, welding technology can make up for each other.

Between the welding head and the workpiece through friction, produce more heat, in the process need to overcome various shortcomings, resistance heat, plasma arc, induction heat, to avoid various defects, the use of induction coil, heating in a specific position, coupled with laser and auxiliary system, after rotating friction, finally formed a relatively strong joint, complete the entire welding process, The process can also reduce the loss of the mixing head, improve the efficiency of welding, friction stir welding, to a certain extent, can also be controlled and measured, the entire welding process, with ion arc as an auxiliary heat source, through the preheating energy and welding, the workpiece can be closely contacted together, through the friction heat bucket number to carry out auxiliary heat, The technology broadens its welding field, reduces the wear of the mixing head, improves the life, and indirectly increases the efficiency. It is a new innovation in the field of aerospace, and the field will be more extensive in the future.