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In the industry of laser processing, there are four basic methods of marking as following:1. Engraving or Deep Marking    For a marking device, by illuminating a laser beam onto an X-ray film which is a light-photosensitive heat-developing photosensitive material, an inner portion of a surface layer is melted, a cavity is formed, and a dot, which projects a surface out in a convex shape, is formed. At this time, an illumination time of the laser beam is controlled in order to control melting of the surface layer. In the mark... In the industry of laser processing, there are four basic methods of marking as following:1. Engraving or Deep Marking    For a marking device, by illuminating a laser beam onto an X-ray film which is a light-photosensitive heat-developing photosensitive material, an inner portion of a surface layer is melted, a cavity is formed, and a dot, which projects a surface out in a convex shape, is formed. At this time, an illumination time of the laser beam is controlled in order to control melting of the surface layer. In the marking device, when conveying of an X-ray film is stopped, oscillation of a laser oscillating tube is continued until a predetermined period of time elapses. When stoppage is for a short time, control is carried out such that marking can be started quickly. Deep marking is a method used to flexibly create a durable, direct product marking that is forgery-proof and resistant to wear and corrosion.2. Annealing    Laser Annealing is a surface heat-tempering mark. As a burr-free process, annealing offers significant advantages when marking already finished surfaces. Laser annealing creates an indelible mark induced by heat and oxygen without noticeable material ablation. Process speed is lower compared to laser engraving because annealing relies solely on thermal effects. Laser annealing is used with all metals which show a color change when exposed to heat and oxygen, especially stainless steel.3. Color Change    The heat effect of the laser beam causes an oxidation process underneath the material surface, resulting in a color change on the metal surface. This dark, permanent mark is ideal for medical device applications where material removal is prohibited to ensure part integrity and performance.Laser marking of polymers relies on carbonization or foaming processes caused by laser beam absorption. Carbonization produces dark marks. Foaming creates gas-bubbles within the material, scatters the light and produces light marks. 4. Surface Removal    Originally developed for day and night marking, this laser marking method removes opaque lacquer coats from transparent parts. The same process is used for laser marking anodized aluminum and labels made of special multiple layer foils. After marking, the labels are cut out without damaging the carrier foil, also called the kiss-cutting. In order to remove a dielectric coating from a conducting material, a high energy radiation source, such as a laser source, is focused in a region having a predefined relationship with the coating of the conducting material. The focused radiation results in a plasma or ionized region being formed. The coating in the vicinity of the plasma region is removed. View Details

Cutting of brittle and transparent materials, like glass, is nothing less than a key technology for global mass markets. Smart phone and tablet shipments alone will surpass 1.5 billion units in 2014. Not to mention television and computer screens or upcoming devices like smart watches. Perfect laser is now able to offer the most-advanced, all-laser cutting process for glass, sapphire, ceramics and other transparent, brittle materials.    Cutting glass with conventional, mechanical methods like diamond scribing and breaking is a r... Cutting of brittle and transparent materials, like glass, is nothing less than a key technology for global mass markets. Smart phone and tablet shipments alone will surpass 1.5 billion units in 2014. Not to mention television and computer screens or upcoming devices like smart watches. Perfect laser is now able to offer the most-advanced, all-laser cutting process for glass, sapphire, ceramics and other transparent, brittle materials.    Cutting glass with conventional, mechanical methods like diamond scribing and breaking is a relatively inexpensive process, but it comes with significant drawbacks due to relatively low scribing quality such as micro-cracks, chipping and inaccuracy. Typically, a number of additional time-consuming processing steps like grinding, masking and etching are necessary to remove the damage that had been introduced by mechanical processes, as well as to eventually achieve the required tolerance of the parts outer dimensions. Furthermore, mechanical methods quickly reach their limits, when complex geometries, like small radii, have to be generated Tool wear and the applied mechanical forces can lead to a significant amount of glass breakage and reduced production yields. Therefore, the glass manufacturing industry is always looking for alternative technologies to cut glass and other brittle, transparent materials with low damage and higher yields.    So far a single laser process has not been able to provide a comprehensive solution while some laser processes have already used in glass manufacturing. Sometimes lasers are used to just drill holes or cut areas of complex shapes in an ablative method. But those processes would be way to slow to be applied on a full device. Fast laser processes, like CO2 laser cutting still show accuracy limitations, especially when it comes to contour cuts. So today, often a combination of one or more laser and mechanical processes can be found in production of glass or sapphire-based .    Finding the best cutting machine for glass, please choose Perfect Laser. You will get a best partner in your business. We offer you superior service. Do you want to improve your production efficiency massively? Then don't hesitate to join us. View Details

What to do when optical fiber laser cutting machines can't cut through?Many customers encounter this problem in the use of optical fiber laser cutting machine, so what are the causes of this problem?Perfect Laser now summarize to you:1. The plate thickness is greater than machine thread cutting thickness: optical fiber laser cutting machines of different power will have a limit of cutting thickness, if it is beyond the limit thickness,the equipment cutting effect will be not ideal, including the situation that it can't cut through.2. Th... What to do when optical fiber laser cutting machines can't cut through?Many customers encounter this problem in the use of optical fiber laser cutting machine, so what are the causes of this problem?Perfect Laser now summarize to you:1. The plate thickness is greater than machine thread cutting thickness: optical fiber laser cutting machines of different power will have a limit of cutting thickness, if it is beyond the limit thickness,the equipment cutting effect will be not ideal, including the situation that it can't cut through.2. The power of laser decrease: after being used for a long time, the power of fiber laser  will reduce gradually over time, finally lead to the decrease of the cutting ability, also the situaton that it can't cut through will happen.3. The spot debugging is not done: the spot of fiber laser cutting machine is the most important factor that affects the cutting quality , when the spot debugging can not meet the standard, the situation that the machinecan't cut through would happen.4. Optical element pollution: optical components include focusing mirror, the reflector and protective glass, because of bad processing environment for a long time, it is easy to cause the residue on the lens surface, reduce the laser power, leading to the situation that it can not cut through.5. Cutting too fast: the cutting speed too high, missing cut is bound to happen, so that lead to the situation that it can not cut through.300w Fiber Laser Cutting Machine adopts advanced fiber laser generator and ball screw moving system, it can cut and punch different kinds of metal material with high precision and high speed.Since laser is transmitted by fiber, it is no need to maintenance or adjusts the laser optical path. It greatly reduces the machines fault rate and prolongs the working life.Large format cutting area meets the demands of various kinds of metal processing. View Details

One of the advantages of laser cutting is that the energy density of the beam is high, so the focal spot diameter is as small as possible in order to produce a tiny slit. If the focal depth of the focusing lens is smaller, the smaller the diameter of the focal spot will be.For high - quality and high - precision cutting, the effective focal depth is also related to the diameter of the lens and the material being cut, so it is very important to control the position of the material surface.Here are three aspects of the following aspects to analyz... One of the advantages of laser cutting is that the energy density of the beam is high, so the focal spot diameter is as small as possible in order to produce a tiny slit. If the focal depth of the focusing lens is smaller, the smaller the diameter of the focal spot will be.For high - quality and high - precision cutting, the effective focal depth is also related to the diameter of the lens and the material being cut, so it is very important to control the position of the material surface.Here are three aspects of the following aspects to analyze cutting focus due to the different materials and requirements of different choices.(I)Cutting focus on the surface of the materialThis way is also known as the 0 focal length, ,commonly used in SPC, SPH, SS41 and other parts of the cutting. When used. the focus of the cutting machine should be selected on the surface of the material. In this mode, the upper and lower surfaces of the upper and lower surfaces are not the same. In general, the cutting surface near the focus is relatively smooth. However, the lower surface of the cutting focus appears to be rough. Therefore, this model should be based on the actual application of the actual application then to decide on the choice of the surface or the lower surface.(II) Cutting focus on the material insideThis way is also known as the focal length. When the material is stainless steel or aluminum plate, often use the model of cutting point in the material inside. But one disadvantage of this method is that the cutting is larger than the cutting point at the surface of the work piece. At the same time, this model needs larger cut air flow, more sufficient temperature , and longer time for cutting an Perforation. So when the material you chose is mainly stainless steel, aluminum or hard material, you should use this way .(III) Cutting focus on the material aboveThis way we are also known as the negative focal length. Because the cutting point is not located at the surface of the material nor the material inside, but it is located in the top of the cutting material. Thus this method is mainly used in the material with high cutting thickness. This approach is focused on the cutting material, mainly because of the need for a large plate. Otherwise, the oxygen of the nozzle is extremely easy to lead to the problem and the result of the cutting temperature is reduced. But one drawback of this approach is that the cutting surface is rough and less suitable for cutting precision. View Details

Solutions provider, Microvision (MVIS) of vision application in the Nasdaq-listed shares rose 13% on the 18th, during the year rose as high as 130%, becoming one of the best performing companies on the US stock marketMVIS (Microvision) being sought, because people think highly of laser display technology optimistic about the prospects. Laser display technology uses a laser beam transmission frame, with a wide color gamut, long life, high efficiency, low power consumption, energy saving and environmental protection, etc., it is considered to be ... Solutions provider, Microvision (MVIS) of vision application in the Nasdaq-listed shares rose 13% on the 18th, during the year rose as high as 130%, becoming one of the best performing companies on the US stock marketMVIS (Microvision) being sought, because people think highly of laser display technology optimistic about the prospects. Laser display technology uses a laser beam transmission frame, with a wide color gamut, long life, high efficiency, low power consumption, energy saving and environmental protection, etc., it is considered to be the mainstream following the black and white, standard color display, LCD high-definition digital display after the next generation display technology.In China, the laser display technology is developing rapidly. As of last year, the number of patents China in the field of applied laser display technology has been ranked third in the world after the US and Japan. This is largely due to policy support. China laser sreen is most likely leading international level display technology. Planning requirements to carry out high brightness laser display, high-performance low-cost laser display, engineering and industrial development large-screen laser TV and portable (including micro) laser display machine products, and developed a "value of RMB10 billion / year production of 500,000 units / year "," laser sreen theater system: 30% market share "and other targets.In technical applications, Chinese enterprises have been in the forefront. For example, in the television field, the technology of first tube era was control by Japanese corporate , flat-panel era in Korean corporate control panel patented technology, now laser display technology and products in the field, Chinese enterprises have occupied the mainstream. Last year, domestic manufacturers focus on the outbreak, Hisense and Konka have launched large-size laser TV product, which Hisense released completely independently developed 100-inch laser theater system, using ultra-short focus technique, only less than 50 cm away from the wall space You can cast a 100-inch display screen. In the beginning of this year's CES sreen, Hisense held a "no-screen TV era" press conference, the official overseas Recommend a "laser theater" products. Hisense Group Chairman A motion is expected in the future "no screen" . The laser sreen will be at great cost, weight and power advantages for the consumer acceptance, eventually replace the LCD flat panel display.Laser display industry is currently still in the start-up phase, but the future could play an important role in holographic projection, laser TV, huge market room for imagination, the potential market space in more than 10 billion yuan. Laser screen is in the industrialization accelerated phase, product demand will erupt soon. View Details