Welding and cutting copper
The main machining processes for copper products are welding and cutting in the production of various types of structures. Among the most common methods are laser and plasma cutting. Each of them has both advantages and disadvantages.
Laser cutting method
The copper laser cutting method makes it possible to work with complex part geometry. It also provides minimal cutting widths. Combined with low temperature exposure and automation of the process, it guarantees minimal deformation of the material being cut. Welding and cutting copper with a laser is the most advanced.
Plasma cutting method
Modes of plasma cutting copper alloys depend on several factors. First, it is very important to consider the thickness of the metal. Second, the protective gas used is important. So, nitrogen is best used to work with parts with a wall thickness not exceeding 15 mm, and for thicker-walled ones, argon has the lowest flow rate.
Tungsten electrodes
Welding and cutting copper has a number of features depending on the purity of the metal and the presence of impurities. The use of tungsten electrodes guarantees high welding efficiency, and usually a protective mixture of nitrogen and argon gases is used. It is better to entrust such work to a qualified welder with experience.
Contact welding method
Using contact welding, it is necessary to take into account some peculiarities of the metal. To get a quality connection, it is very important to pay maximum attention to the preliminary preparation of the parts to be joined. The fact is that contact welding requires both mechanical cleaning of the items to be welded and chemical etching.
Diffusion welding method
This method has many advantages, because it allows you to join copper with other metals and even nonmetallic materials. The most popular method of connection is when it is necessary to work with large parts of complex configuration. In this case, the diffusion welding should be carried out in a vacuum.
Furnizor
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