Application of Laser Processing in Lithium Battery Production

دوشنبه 24 مهر 1396
12:13
Mike

Compared with the traditional machining, green laser pointer processing has the advantage of no tool wear, cutting shape flexibility, edge quality control, higher accuracy and lower operating costs.

Lithium battery because of its excellent performance, is widely used in electronic consumer goods, motor vehicles and energy market, its production technology innovation is particularly important.

Lithium battery production steps are typical of the "roll-to-roll" process, need to go through two processing steps - the film to a single battery, and a single battery assembled into a battery system. A typical lithium battery has a three-layer film - an anode film, an insulating film and a cathode film. The thickness of the electrode coating is usually 100 μm and the isolation film is 50 μm. The anode film is a copper film coated with graphite, the cathode film is an aluminum film of a lithium metal oxide, and the insulating film is made of polypropylene and polyethylene.

red laser

Due to the high quality requirements for accuracy, controllability and processing machines, foil slitting, foil cutting, tab cleaning, and separator foil cutting, etc. Link is more suitable for the use of blue laser pointer processing. Compared with the traditional machining, laser processing has the advantage of no tool wear, cutting shape flexibility, edge quality control, higher accuracy and lower operating costs.

Metal foil cutting is based on the design of the battery, a roll of metal foil along the long side cut into thin strips. Applicable to this part is the infrared pulse laser, high-speed high-quality cutting electrode plating. If the cutting width and quality have more precise requirements, you can also consider the pulse green and ultraviolet light.

Metal foil cutting links refer to the design of the battery, the elongated strip of the anode film and cathode film cut into the desired shape. Depending on the battery design and whether the foil is fully coated, you can select or adjust the beam to cut the coating or cut only the foil. The laser used in this section is the same as the aluminum foil slit.

In certain cases, it is necessary to remove graphite and lithium metal oxides to reveal bare copper or aluminum foil labels. The key to this step is to remove the coating material without compromising the underlying metal foil. Pulse infrared burning laser is best suited for this link. Similar to aluminum foil cutting, the cover film should also be cut into the desired shape with reference to the battery design. Because the isolation membrane is composed of organic compounds, pulsed ultraviolet laser is the most suitable choice.


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Laser Transmission Welding

پنجشنبه 13 مهر 1396
10:35
Mike

The application of the absorbent is a very important process in the plastic laser welding process. The essence of plastic laser welding is to heat the area of the plastic to be welded to melt, then cooling the natural realization of the bonding of plastic parts. Let the plastic melt the plastic parts to absorb enough laser energy. Usually the ideal absorbent is carbon black, carbon black can be infrared wavelength of the laser energy is basically all absorbed, thereby greatly improving the plastic heat absorption effect, making the heat of the material melting area faster, the better. Some other colors of dyes can also play the same effect of absorbing light waves. There are three ways to add the absorbent: one is to penetrate the absorbent directly into the material to be welded, so that the plastic parts that will penetrate the absorbent should be placed underneath, and the plastic parts without the absorbent should be placed on the surface so that the second green laser pointer is to the plastic parts to be welded to the surface of the seepage of the absorbent, so that only part of the absorbent by the plastic will become a hot zone and be melted; Third, in the two pieces of plastic parts to be sprayed at the contact or Printing on the absorbent.

red laser pointer

From the market growth point of view, according to the type of laser, the next five years, the fastest growing market is the direct semiconductor lasers, mainly kilowatt-class high-power semiconductor lasers; the second fastest growing quantum cascade laser, this laser advantage Obviously, widely used, especially in anti-terrorism, security and other applications play an important role in the future of the global quantum cascade lasers will have a huge demand. Fiber lasers will always maintain a steady growth rate. From the application of the laser market, to remove about half of the optical communications market, the current macro-processing is the largest market, followed by micro-processing, the future with the manufacturing industry continues to high-end development, micro-processing market will have a great growing space.

The most commonly used laser welding form is called laser transmission welding, first of all two plastic parts to be welded together with pressure, and then a short wave of infrared blue laser pointer area to the site to be bonded. The laser beam passes through the upper layer of light transmission material and is then absorbed by the underlying material. The laser energy is absorbed and converted into heat energy, since the two layers of material are pressed together. The heat is transferred from the absorber layer to the light-transmissive layer so that the two layers of material are melted and bonded. At the same time due to the thermal expansion of the material itself to expand the internal pressure. Internal pressure and external pressure to ensure the two parts of the solid welding.

The beam quality of the laser output is getting better and better, and the beam quality of the fiber laser has reached a single mode of 100,000 watts. In the past year, fiber lasers, disc lasers, direct semiconductor lasers have a significant increase in brightness. The output wavelength of the laser covers a shorter band, and the short wavelength laser has been widely used. Many advanced manufacturing processes require cold processing, such as in the manufacture of smart phones, often need to use short wavelength, short pulse UV burning laser to deal with. Short wavelength lasers have been widely used in surface marking, semiconductor wafer processing, drilling, cutting and other fields. The pulse speed of the laser is getting faster and faster, and the ultrafast laser has been developed rapidly. It has been driven into industrial applications by means of simpler structure, more convenient operation, lower cost and more stable performance.

Plastic welding process commonly used is a diode laser or semiconductor laser. The beam is in the near infrared region and the wavelength of the beam is between 400 and 1,100 μm, which can be transmitted by fiber. The laser beam in this range can be absorbed by most of the plastic. Diode laser welding system is compact, and the laser can also achieve higher levels of power. The wavelength of the laser can be designed according to the special requirements. The wavelength of the semiconductor laser is generally 808 to 980 μm. Semiconductor laser investment cost is small, small size, high efficiency.

Thermoplastics contain amorphous plastic and semi-crystalline plastic. Plastic that can be laser welded is a thermoplastic. In theory, all thermoplastics can be laser welded. Plastic green astronomy laser welding technology requirements for the welding of plastic: the material in the thermal area of the requirements of the laser light absorption of good; does not belong to the thermal part of the material, the requirements of the light through the good, especially in the This is especially true for two pieces of thin plastic parts. Generally add to the heat in the plastic area of the absorbent can achieve the purpose.


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Optimization of Tooling for Laser Welding

جمعه 26 خرداد 1396
14:25
Mike

In the welding process found that the replacement of different welding products, 300mw laser pointer welding initial proofing time-consuming, mass production process by the accuracy of parts of the weld quality instability and other issues. By optimizing the design of the corresponding tooling to reduce the automatic welding of the proofreading time to ensure the quality of weld and mass production needs.


With the rapid development of industry, laser welding technology in the machinery, rail vehicles, automobile manufacturing, electronics and aerospace has been widely used. When using the existing laser welding equipment of our factory, it is found that it takes a lot of time to calibrate the initial welding point of the parts when the welding products are replaced in the welding equipment. In addition, the parts are clamped by the laser spot size when welding The location of the repeated positioning accuracy requirements are high, so the parts on a process of processing accuracy requirements are relatively increased, thus increasing the processing costs. In order to reduce the auxiliary time of proofreading and reduce the processing cost, we designed the tool changer to change the positioning plate, proofreading the needle, and added the high power laser pointer weld tracking system.

blue laser pointer

Laser welding system first through the robot welding path of the parts of the mining point, while the welding program is completed, the debugging movement is correct, by the robot to drive the welding head in the protective room on the parts for welding. The original welding system is the welding tooling through the pressure plate directly fixed on the table, only in the same parts only welding problems, when the replacement of different welding parts, found that pre-processed parts and then welding, the corresponding welding tooling In the table before and after the two fixed position offset large parts, parts in place after welding the initial starting point still need to re-proof, increase the welding preparation time. When a different welding part is replaced, the fixture is clamped at a fixed position so that the position of the part weld does not show a large displacement relative to the robot, thereby reducing the number of repetitions of the initial weld.

Laser welding system is through the robot to drive the welding parts of the welding parts, welding the initial point of the collection is equivalent to CNC machine tool processing parts of the knife, a direct impact on the subsequent parts of the processing accuracy. The main factors that affect the quality of burning laser pointer welding are laser power, spot size, welding speed, shielding gas, parts precision and surface quality. Among them, the size of the focus spot in the focusing lens focusing radius for the value of the premise, by the welding head and parts of the distance of the weld. Each time the initial starting point is calibrated, the needle is adjusted to the appropriate height and marked on the needle to replace the focus spot with the focus point to ensure uniformity of the weld height to ensure uniformity of weld width The Proofing is completed, the needle will be raised, away from the focus spot position, to avoid affecting the normal welding.

In the mass production process, because of the deviation of the welding position of the product itself, even if the initial point of welding is corrected accurately, there still exist the phenomenon of partial welding and leakage welding, so the laser welding seam tracking system is increased. Laser seam tracking system by 200mw laser pointer vision sensor to detect the weld trajectory, using image processing software to calculate the weld deviation, then the deviation is transmitted to the robot control system, so as to control the robot driven welding welding head to move to the correct position.

With the positioning plate and proofreading needle through increased job design, reduces the welding proof time of initial point repeat the same product, ensure the uniformity of the quality of weld seam tracking; through the application of the system, effectively ensure the product quality and production efficiency.


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Metal Laser Cutting Machine

شنبه 2 ارديبهشت 1396
10:26
Mike

Laser engraving machine is the world's high-tech products, products, light, mechanical, electrical integration of high technology content. Laser engraving machine is a new type of laser data processing equipment, mainly used for: handicrafts, furniture, glass products, wood products, lighting, advertising, decoration, paper, Mark board, stamps and seals, bamboo products, handbags and shoes, clothes And clothing, fabrics and so on. Through the adjustment of the blue laser pointer parameters, the machine can be a variety of carving and cutting. In the late nineties, with the successful development of laser engraving technology, carving industry began to develop rapidly. So far, the application of engraving machine is almost all over every industry, become our daily work in the common equipment.

green laser pointer

Laser engraving machine in the decoration industry on the application can be described as dazzling, the following for its carving for the wood for everyone to do an introduction: first is the logs, logs are not processed wood. It is our daily life among the most common kind of laser processing materials, it is easy to be carved and cut. Such as light-colored wood such as birch, cherry or maple, etc., they are easy to be 20000mw laser pointer gasification, which is more suitable for carving. However, because each wood has its own characteristics, so we in the selection of wood according to the specific objects we want to carve and make choices. We recommend that you first study the characteristics of the engraving machine before engraving wood that is not familiar with it.

Followed by plywood, it is a man-made wood, furniture is also one of the commonly used materials. In fact, carvings on the plywood and sculpture in the wood is not much difference, but one thing to note, carving depth can not be too deep. The edge of the plywood after cutting will also be as black as wood, but the degree of black, the key is to look at the use of the kind of wood plywood.

Generally speaking in the wood carving is usually Yin carving, and the depth of the general requirements are deeper, so the power will generally be set relatively high. If you encounter hard wood, you may make the graphic presentation after carving deeper. If you want to make the color lighter, can increase the speed of carving, try to carve several times. Some wood in the carving will produce some fumes attached to the wood surface, if the wood has been painted paint. You can wipe it carefully with a damp cloth, if not painted may not rub clean, resulting in finished product defaced.

With the extensive application of laser engraving machine, printing and printing industry printing plate also gradually applied to the laser engraving technology. The most common packaging in the printing and packaging industry is corrugated packaging. However, corrugated box packaging can be divided into two categories, one is the sales package, the other is the transport packaging. Sales packaging is generally within the packaging, in the sales process to meet with consumers, such as box, white box, gift box and so on. Transport packaging is generally outside the packaging, basically in the sales process does not meet the consumption, and its main role is to facilitate storage, transportation, such as cartons, corrugated boxes and so on.

As the 10000mw laser pointer engraving in the paper packaging materials on the plate cost is low, only the resin version of the cost of a quarter, so in the current printing and packaging industry commonly used laser engraving plate as corrugated packaging printing plate. Laser engraving machine is a way to achieve sculpture, with the performance in the gray side of the natural advantages. To this end in the carving design as much as possible in the form of grayscale representation, this advantage is to reduce the color process, saving the cost; so that on the one hand the rich means of carving, an increase of the graphics level.

Laser engraving handicrafts refers to the use of high-energy conspiracy of the laser beam projected onto the surface of the material, so that the physical surface of the material can be chemical changes, in order to obtain visible patterns of carving crafts. Laser engraving handicrafts, laser engraving handicrafts, resin laser engraving handicrafts, glass carving crafts, metal laser engraving handicrafts, jewelry, jade laser engraving, laser engraving handicrafts, laser engraving crafts, Crafts ...

The most common material in our daily routine, Acrylic, is actually a kind of plexiglass, which is easily cut and carved into a wide variety of shapes and sizes, and the cost is relatively low, so it is a matter of course On the most commonly used a carving material. Casting method of production of plexiglass, which in the 500mw laser pointer engraving after the frosting effect is very white, with the original transparent texture in sharp contrast, can produce a very good effect after engraving; calendering the way the production of plexiglass in laser engraving Is still transparent, not a sufficient contrast effect, so relatively less up with the use. Therefore, we should pay attention when buying plexiglass, we must choose the kind of high purity, or buy back the plexiglass material in the carving or cutting may be melting phenomenon.

Laser cutting machine relative to the traditional cutting method there are many advantages: it cut out the edge of the leather is not yellow, but also automatically edge or curling, no deformation, not hard, uniform size and accurate; Any complex shape; high efficiency, low cost, computer design graphics, cutting any shape of any size of the lace; processing of the workpiece without mechanical pressure; safe operation, easy maintenance and so on. As a result of 50mw laser pointer and computer technology, users simply design a good pattern on the computer, you can output and can always change the engraving graphics, edge design side edge of the product design. It can be said that the emergence of laser engraving machine, greatly promoted the development of the leather industry.


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Sealed Off-type CO2 Lasers

شنبه 19 فروردين 1396
13:45
Mike

An important application area for medium power CO2 lasers is the packaging of consumer products. Which includes all kinds of materials and the combination of these materials, cutting, punching, marking and marking. The lasers are usually superior to conventional tools such as straight plows and die-cutting boards for a variety of reasons. The high power laser pointer can be processed quickly and therefore can accommodate the speed of existing production lines. Laser processing is a flexible, digital, non-contact process, so it will not change with time, it will not be like mechanical tools need to replace or re-friction. Moreover, the laser can precisely control the cutting or drilling depth, and mechanical tools are more difficult to do this. In addition, the use of sealed-type CO2 lasers for processing has low cost and high reliability, and is therefore more economically competitive than traditional methods.

laser pointer

CO2 lasers are unique compared to conventional industrial lasers because they are typically 10.6μm when outputted as long-wave infrared. Many organic materials have strong absorption of these long wavelengths, including paper, wood, plastic, rubber, textiles and leather. Some of the visible light through the material can even absorb such long wavelengths, such as glass and sapphire. High absorption rate means that most of the laser power is actually used in the photothermal process of processing materials. At this point the target material will soon be heated and eventually evaporated. This process is very energy efficient, so CO2 burning laser pointer are the most suitable tool for rapid removal of larger target materials using 10 & apos; s to 100 & apos; s micron precision levels. At the lower power level, efficient local heating can cause thermal effects caused by color changes, is the ideal choice for marking.

Another important use of CO2 lasers is to cut thin glass plates for smart phones and other handheld display screens. The traditional mechanical cutting is not suitable for cutting glass plates with a thickness below 1mm. In particular, mechanical cutting may produce collapse, the formation of debris, may also leave significant mechanical stress, resulting in easier to break the glass. All of these problems have necessitated further post processing, and processing is bound to take time and increase production costs. Cutting glass with CO2 50000mw laser pointer is a non-contact process, completely eliminating the collapse and fragmentation problems. Moreover, the laser cutting does not inherently cause residual stress on the glass, thereby increasing the edge strength of the glass, which makes the laser cutting glass can withstand the pressure is 2 to 3 times the mechanical cutting glass.

CO2 laser cutting to solve the above two problems. In particular, the quality of such cutting edges is better and does not produce large amounts of contaminating particles. And the use of scanning optical components, you can not stop rolling in the case of fillet cutting. Compared to mechanical cutting, laser cutting caused by narrow incision, so the whole width of the entire width of the film cutting precision to be better. In this way, the cutting pattern can be more closely nested together, reducing the waste of expensive polarizing film.

Slab discharge structure in the precision machining applications have advantages, for a variety of reasons. This type of structure is small, high stability, good output characteristics and low cost of ownership. The output power can be scaled with the area of ​​the strip electrode. As a result, the slab discharge CO2 8000mw laser pointer is very compact and can achieve as high a high output power as possible with a relatively lightweight laser head. As a result, they can be easily integrated into the robotic arm or crane frame, even as small as applicable to the desktop device. The slab electrode configuration is also mechanically robust and therefore can be stabilized in the short and long term. This stability can achieve a uniform processing effect that does not change over time.

Over the past two decades, sealed off-type CO2 lasers have been widely used in a wide variety of applications, such as packaging, textiles, microelectronics manufacturing, display preparation. This is because the efficiency, quality and reliability of CO2 3500mw laser pointer processing make it an affordable tool that is more cost-competitive than other manufacturing technologies. This paper briefly introduces the main advantages of CO2 lasers from closed slab discharge and covers recent innovations in related technologies.


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What is the future of CO2 laser?

سه شنبه 8 فروردين 1396
16:44
Mike

CO2 laser technology with its unique wavelength, power and spectral purity, still survive in the market and continue to flourish. Because many natural materials and synthetic materials have a strong absorption peak at 9 ~ 12μm, which happens to be the wavelength of the output wavelength of the CO2 100mw laser pointer, which provides a great opportunity for CO2 lasers in the field of material processing and spectral analysis. This band is also included in the atmosphere transmission window, and therefore is ideal for many sensing and ranging applications.

A typical CO2 laser is formed by the generation of a gas discharge from a mixed gas containing a CO2 molecule. Because the molecular vibrations and rotations are very close to each other, the energy generated by the CO2 molecules transition between these levels is lower and longer than visible and near infrared. CO2 lasers can provide a power range from milliwatts to tens of thousands of watts, can be used to manufacture equipment, can also be used for strong cutting. Because CO2 50mw green laser have very high spectral purity, line width up to 1kHz or less without sacrificing power, conversion efficiency of up to 10%. These features enable CO2 lasers to be qualified for new applications in materials processing, laser ranging and radar, thermal vision assistance and targeted medical applications.

laser pointer

Despite these long-term advantages, CO2 lasers have been challenged in some ways. Fiber lasers and quantum cascade lasers have been extended to a number of applications previously dominated by CO2 lasers. In industrial applications, high-power fiber lasers can provide greater efficiency, the energy can be better absorption of metal materials, and more cost advantages. However, CO2 lasers are still the only way to process many nonmetallic materials because these materials do not absorb the near-infrared wavelengths of fiber lasers.

Quantum cascade 1mw laser pointer can produce wavelengths in the range of 2 to 12 μm and are more compact and have become an important tool in spectroscopy applications. However, many sensors in the 8 ~ 12μm long wave infrared band, spectral sensitive industrial and medical applications require higher power, better spectral purity, excellent coherence and stable spatial pattern, which only CO2 lasers can achieve.

Although CO2 lasers have ended as a "one-size-fits-all solution for all applications", with the advent of new materials and increasingly stringent industrial and scientific processing requirements, these require new dedicated lasers that require a real The value proposition has a deeper understanding of the technology and requires a completely different way to manufacture and promote CO2 lasers. CO2 lasers are addressing these new challenges. In the manufacturing, this new model needs to adjust the various indicators of CO2 red laser pointer, in close cooperation with the specific needs of customers. In the market, from the previous average power and "according to tile price" value proposition, into a customized solution, according to the specific needs of materials and applications, the design of the laser pulse shape, peak power, dedicated wavelength and stable Sex.

CO2 lasers are considered to be the best tools for generating extreme ultraviolet (EUV) radiation through laser-generated plasmas (LPP) when attempting to extend Moore's Law. This 13.5 nm EUV light is produced by vaporizing the molten tin droplets of tin. Other lasers, such as Nd: YAG, have also been tested for this application, and the results show that they are less efficient in producing optical thin plumes with higher speed and higher quality plasma properties because tin has a higher effect on CO2 5mw green laser irradiation Reflectivity. In order to produce EUV light, CO2 lasers need to provide a series of wavelengths of 10.6μm, optical quality near perfect, high speed and exactly the same pulse, with the semiconductor industry required cleanliness, accuracy and repeatability.


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Laser Technology

چهارشنبه 11 اسفند 1395
15:45
Mike

A new method of implementing a "non-crackable" quantum cryptosystem can transmit information at a rate of more than 10 times faster than previous trials. Researchers have developed a new approach that overcomes one of the major problems in the implementation of the quantum cryptography system, which improves the prospect of implementing an available "unbreakable" approach for sending sensitive information hidden in light particles The A description of the indistinguishable photon output from the same output port of the beam splitter. By "sowing a burning laser beam" to another laser beam, researchers from the University of Cambridge and the Toshiba European Research Center have demonstrated that allocating encryption at a speed of two to six orders of magnitude higher than the actual early attempt of the quantum cryptosystem The key is possible.

laser pointer

Encryption is an important part of modern life, so that sensitive information can be safely shared. In traditional encryption technology, the sender and receiver of a particular message determine the password, or the key, so only those who know the key can decrypt the information. But as computers become faster and more powerful, encryption passwords become easier to crack. Quantum cryptography guarantees "unbreakable" security by hiding information into light particles or photons emitted from the most powerful laser pointer. In this cryptographic form, quantum mechanics is used to randomly generate a key. The sender, commonly known as Alice, sends the key by polarizing the different polarized photons. The receiver, commonly referred to as Bob, uses a photon detector to measure the polarization direction of the photon, and then the detector converts the photon into bit information, assuming that Bob uses the correct photon detector in the correct order, Get the key.

The advantage of quantum cryptography is that if an attacker tries to block Alice and Bob's message, the password will change itself due to the characteristics of quantum mechanics. Since the first time in the last century 80's was put forward, the quantum password has brought the possibility of achieving unbreakable security. "In theory, an attacker might have all the power under physical law, but they still can not crack the password." However, when trying to build a usable 2000mw green laser system, the problem of quantum cryptography arises. In reality, this is a back and forth game: the creative attacks on the different components of the system are constantly being developed, and the corresponding countermeasures against the attack are constantly evolving.

The most frequently hacked components are photon detectors, which are usually the most vulnerable components of their most vulnerable attacks due to their high sensitivity and complexity. In response to the attack probe, the researchers developed a new quantum cryptographic protocol called Quantum Key Distribution (MDI-QKD), which is known as Measurement Equipment Unrelated. In this way, Alice and Bob do not have a detector per person, instead of sending their brightest laser pointer photons to a central node called Charlie. Charlie lets photons pass through a beam splitter and measure them. These results can reveal the correlation between these bits, but do not reveal their values, still keep the secret. In this device, even if Charlie tries to cheat, the information will remain safe.

MDI-QKD has been experimentally proven, but its information transmission speed is too slow for practical applications in the real world, mainly due to difficulties in generating indifferent particles from different lasers. In order to make it work, the laser pulses emitted by Charlie's beam splitter need to be relatively long, which limits the transmission rate to hundreds of bits per second (bps) or less. The method developed by the researchers overcomes this problem with a technique called pulsed laser sowing in which one of the green astronomy laser beams injects photons into another laser beam. By reducing the amount of time jitter in the pulse, the laser pulse is more pronounced for Charlie, so that shorter pulses can be used. Pulsed laser sowing can also change the phase of the laser beam at a very high rate. The use of this technique in MDI-QKD devices will result in speeds up to 1Mbps, representing an increase of two to six orders of magnitude higher than previous versions.


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Beautiful Life

پنجشنبه 21 بهمن 1395
10:35
Mike

Laser cutting uses a high power density laser beam to irradiate the material to be cut, so that the material is quickly heated to the vaporization temperature and evaporated to form a hole. As the beam moves to the material, the hole is continuously formed with a narrow width (such as 0.1mm) , To complete the cutting of the material. Laser cutting can be divided into four categories: brightest laser pointer vaporization cutting, laser melting cutting, laser oxygen cutting and laser scribing and controlling fracture.

2000mw laser pointer

Laser vaporization cutting: the use of high-energy laser beam heating the workpiece, the temperature rose rapidly in a very short period of time to reach the boiling point of the material, the material began to vaporize, the formation of steam. These vapors are ejected at high velocities, forming a cut in the material while the vapors are ejected. The vaporization heat of the material is generally large, so a large amount of power and power density is required for burning laser pointer vaporization cutting. Laser vaporization cutting for thin metal materials and non-metallic materials (such as paper, cloth, wood, plastic and rubber, etc.) cutting.

Laser melting cutting: laser melting to melt the metal material, and then through the nozzle coaxial with the beam blowing non-oxidizing gases (Ar, He, N, etc.), relying on the strong pressure of gas to liquid metal discharge, Forming a cut. Laser melting does not require the metal to fully vaporize, the energy required is only vapor cutting 1 / Laser melting cutting is mainly used for some difficult to oxidize the material or active metal cutting, such as stainless steel, titanium, aluminum and its alloys.

Laser oxygen cutting: The principle of high power laser pointer oxygen cutting is similar to oxyacetylene cutting. It uses laser as a preheating heat source, with oxygen and other reactive gases as cutting gas. On the other hand, the molten oxide and the molten material are blown out from the reaction zone to form a notch in the metal. In this way, the gas is oxidized and the oxidation heat is released. As the oxidation process in the cutting process produces a lot of heat, so the laser oxygen cutting the energy required is only melt cutting 1/2, and cutting speed is much larger than the laser vaporization cutting and melting cutting. Laser oxygen cutting is mainly used for carbon steel, titanium steel and heat-treated steel and other easily oxidized metal materials.

Laser scribing and control of fracture: laser scribing is the use of high energy density laser scanning of the surface of brittle materials, the material heated to evaporate a small tank, and then impose a certain pressure, brittle material will crack along the small slot . Lasers for laser scribing are typically Q-switched lasers and CO2 lasers. The controlled fracture is a steep temperature distribution created by the use of a 1000mw laser pointer scribe, creating localized thermal stresses in the brittle material and breaking the material along the trough.


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