CO2 laser cutting machine is to use a focusing lens to focus the CO2 laser beam on the surface of the material to melt the material, while the laser beam with the coaxial compressed gas blown away the molten material, and the laser beam and material along a certain trajectory for relative movement, Thus forming a certain shape of the slit. Since the 1970s with the CO2 laser and numerical control technology continues to improve and develop, has become an industrial sheet cutting an advanced processing methods. In the 1950s and 1960s as the cutting of the main board cutting method: the use of oxyacetylene flame cutting plate; for sheet shear with the next cutting, forming a large number of complex parts using stamping, vibration shear with a single piece. After the seventies, in order to improve and improve the quality of flame cutting incision, but also to promote the precision of oxyethane flame cutting and plasma cutting. In order to reduce the manufacturing cycle of large stamping dies, but also the development of NC nibbling and electrical processing technology. All kinds of cutting and cutting methods have their shortcomings, in the industrial production has a certain scope of application.
CO2 laser cutting machine technology than other obvious advantages of the method is:
1, cutting quality. (Generally 0.1-0.5mm), high precision (generally hole center distance error of 0.1-0.4mm, the outline size error of 0.1-0.5mm), the surface roughness of the incision (usually Ra is 12.5--25μm ), Generally do not need to re-processing can be welded seam.
2, clean, safe, non-polluting. Greatly improving the operator's working environment. Of course, in terms of accuracy and incision surface roughness, CO2 laser cutting can not exceed the electrical processing; the cutting thickness is difficult to achieve the level of flame and plasma cutting. However, the above significant advantages to prove that: CO2 laser cutting has been and is replacing a part of the traditional cutting process, especially the cutting of various non-metallic materials. It is a kind of advanced processing method which develops rapidly and is widely used.
3, cutting speed. For example, using 2KW laser power, 8mm thick carbon steel cutting speed of 1.6m / min; 2mm thick stainless steel cutting speed of 3.5m / min, heat affected zone is small, minimal deformation.