Permanently attached pieces of metal - this is the welding process itself.At the same time the metal itself trying to heat up to a temperature that is best suited for a particular process.But there are types of cold welds when the heating is not used, and the details are compressed mechanical force.The resulting compound occurs.
characteristics of the welding process
When using different types of welds, metal occurs through the use of concentrated or concentrated energy flows.The surfaces must be completely free of dirt and oxides.The only way you can hope to obtain the corresponding result.Sedimentary pressure - so-called pressure that occurs during welding.Thanks to him, at the junction created by the deformation, which allows you to connect the parts.It should be added that only a very Ductile metals provide the ability to use the types of welds to do without heating.
Welding processes: the classification of
total there are two main ways in which metals can be joined by heating.For example, when sedimentary pressure creates plastic deformation.In this case, an external force is applied in the form of pressure to deform the metal at the connection.These types of welds require metal saving solid state.Furthermore, in many situations it may be required, or may not require preheating surface.The main thing is that the mechanical properties of the metal does not change under this influence.
as a way of melting the welding
In this process, the details connected with the molten metal.This procedure is carried out at the place of contact in the welded parts.Sometimes used filler metal sometimes do without such additives.Such a process is used, including some types of arc welding.Draining the molten metal is arbitrary.Formed a common weld pool.When the metal hardens, it forms a hard weld.
main types of welding
If multiple processes use the same heat source for heating or melting, welding is combined in views.For example, the different types of fusion welding or pressure.Embodiments of any species are combined in ways.For example, methods of electric welding may be seam, spot and butt.The main types are grouped precisely on such grounds.
Additional information on the classification
Types of energy used too often become the basis for the separation of welding processes in several groups.So, distinguish electric and gas welding.Conventionally, for example, laser and ultrasonic welding will relate specifically to the electric type.In this case, using special devices that convert electrical energy then it becomes thermal.It is this kind of allows it to heat the necessary details to the required temperature.
