Laser processing knowledge
Just shortly after the birth of laser known as the "problem-solving tool." Scientists are beginning to realize laser such strange things, to become this era will be the most important technical factors. So far, just a few decades of the preliminary application, laser our way of life has had a major impact.
Laser Marking Technology
Laser technology is the largest application of laser processing areas. Laser marking is the use of high energy density of the laser on the workpiece to local irradiation, so that the surface material or color change of vaporization of the chemical reaction, thus leaving a permanent mark of a marking method. Laser Marking can play a variety of writing, symbols and patterns and so on, character size can be order of magnitude from millimeters to microns, which is anti-counterfeit products have special significance.
  
Marking in the plastic on the metal on the Marking

Highlights of the fine after the laser beam as tool, surface material can be removed one by one, marking the course of its advanced nature is a non-contact processing, does not produce extrusion machinery or mechanical stress, it will not be processed damaged items; Due to the size of post-laser is very small, small heat-affected region, processing fine, therefore, the completion of some conventional methods can not achieve the process.
Laser processing using the "tool" is the focus points of light after the need for additional equipment and other materials, as long as the laser to work, you can long for processing. Laser processing speed and low cost. Laser processing by computer automation, production without human intervention.
What kind of information can be laser tag, only with computer design relevant to the content, as long as the computer design of the Draft marking system to identify, then marking machine can be designed to restore the accurate information in a suitable carrier. Therefore software is actually a large extent determine the function of the system.
Laser Cutting Technology
Laser cutting technology is widely used in metal and non-metallic materials processing can greatly reduce the processing time, lower processing costs, improve the quality of the workpiece. Modern laser has become a pursuit of the illusion of "cutting the iron drunk" and "sword."
  
Cutting plexiglass plate cutting

In my company CO2 laser cutting machine as an example, the entire system by the control systems, motion systems, optical systems, water-cooled systems, smoke and blowing protection systems, such as composition, using the most advanced multi-axis CNC mode linkage and laser does not by the speed of the impact of energy, such as cutting, while supporting DXP, PLT, CNC and other graphics formats and to strengthen the capacity of rendering graphics interface; the use of superior performance servo motor and transmission import-oriented structure to achieve a state of good high-speed precision movement.
Laser cutting is laser focused after the high power density of energy to achieve. Under the control of the computer, through the laser pulse so that the discharge, which controlled the output of repeated high-frequency pulsed laser, the formation of a certain frequency, a certain width of the beam, the pulsed laser beam through optical transmission and reflection and through focusing lens group to focus on processing object surface, forming a small, high energy density spot, focal spot is located near the surface to be processed to an instant high-temperature melting or gasification is processed materials. A high energy laser pulse instantaneous surface sputtering put out a small hole in the computer under the control of laser processing head and the material is processed in accordance with pre-painted for a good graphics RBI relative motion, so that the objects will be processed into desired shape. Cutting, a coaxial flow with the beam emitted from the cutting head will melt or vaporization of material from the bottom of incision begins (Note: If you blow the gases and heat generated by cutting material effect response, this response will provide cutting Additional requirements for energy; cooling airflow have been cutting surface, reducing heat affected zone and guarantee the focusing mirror is not the role of pollution). Plate with the traditional processing methods, the laser cutting of cutting its high quality (incision the width of narrow, small heat-affected zone, smooth incision), high cutting speed, high flexible (free to cut any shape), a wide range of materials adaptive advantages.
Laser welding technology
Laser welding of laser materials processing is an important aspect of technology, one of the welding process is a thermal conductivity type, that is, laser radiation heating surface, the surface of the heat-driven heat transfer through the internal proliferation, by controlling the laser pulse width, energy and peak power and repetition rate, etc. parameters, so that workpiece melting, forming a specific pool. Because of its unique advantages, has been successfully applied to micro, small parts welding. High-power high-power CO2 and YAG lasers emergence has opened up a new field of laser welding. Keyhole effect was a theoretical basis for the deep-weld in the machinery, automobile, iron and steel industrial sectors, such as access to an increasingly wide range of applications.
  
Mobile phone batteries welded thin-walled stainless steel welding

Compared with other welding technology, and laser welding of the main advantages are: laser welding speed, depth, and deformation small. Can be at room temperature or special conditions of welding, welding equipment installation simple. For example, the laser through the electromagnetic field, the beam will not be offset; laser certain gases in the air and the environment can Shi welding, and on the beam through the glass or transparent materials welding. Laser focus, the power density, high-power devices in welding, up to 5:1 aspect ratio up to 10:1. Weldable refractory materials such as titanium, quartz and so on, and is able to heterosexual material welding facilities to good effect. Then such as copper and tantalum will be two very different types of materials welded together, the passing rate of almost 100 percent. It may also be micro-welding. After the laser beam by the focus will be very small spot, but also precision positioning, can be applied to high-volume automated production of micro-, small components welding, for example, integrated circuit lead, watches gossamer, CRT electron gun assembly due to the laser welding, production efficiency is not only large, high and heat affected zone smaller, pollution-free solder joints has greatly enhanced the quality of welding.
Weldable inaccessible areas, the implementation of non-contact distance welding, with a lot of flexibility. In the YAG laser technology used in fiber optic transmission technology, laser welding technology to enable a wider range of promotion and application. Laser beam easily realized by time and space beam spectrophotometry, can at the same time multi-beam processing and multi-processing, in order to provide more sophisticated welding conditions.