News

Using the Marking Machine Positioning Laser Module has the following benefits: 1. Permanent: If the marking mark will not fade due to environmental relations (touch, acid and reducing gases, high temperature, low temperature, etc.). 2. Anti-counterfeiting: The marks engraved by laser marking technology are not easy to copy and change, and have strong anti-counterfeiting to a certain extent. 3. Non-contact: Laser marking is processed by non-mechanical "light knife", which can print marks on any regular or irregular surface. 4. Wide applicability: Using laser as processing method, it can process a variety of metal and non-metal materials (aluminum, copper, iron, wood products, etc.). 5. High engraving precision: The objects engraved by the laser marking machine have fine patterns, and the minimum line width can reach 0.04mm. Clearly marked, durable and beautiful. 6. Low running cost: The marking speed is fast and the marking is formed at one time, and the energy consumption is small, so the running cost is low. 7. Fast development speed: Due to the combination of laser technology and computer technology, users can realize laser printing output as long as they program on the computer, and can change the printing design at any time, which fundamentally replaces the traditional mold making process, in order to shorten the product upgrade. Replacement cycle and flexible production.

Lasers are widely used in the detection field, with rich technical content and obvious impact on social production and life. Laser ranging is one of the earliest applications of lasers. The principle and application of laser ranging sensor is also a concern of many people. The laser measuring principle is a non-contact measuring principle. This type of sensor is particularly suitable for measuring rapid displacement changes without exerting an external force on the measured object. Non-contact measurement is of great significance for applications where contact is not allowed on the surface to be measured, or for applications that require a long sensor life. Working principle of laser ranging sensor When the transit time laser sensor works, the laser diode is aimed at the target to emit laser pulses. After being reflected by the target, the laser light is scattered in all directions. Part of the scattered light returns to the sensor receiver, where it is picked up by the optical system and imaged onto the avalanche photodiode. An avalanche photodiode is an optical sensor with an internal amplification function, so it can detect extremely weak light signals. The distance to the target can be determined by recording and processing the time elapsed from when the light pulse is sent to when it is received back. Transit time Laser sensors must measure transit time extremely precisely because the speed of light is so fast. Application of laser ranging sensor Car Collision Avoidance Detector: Generally speaking, most existing car collision prevention system laser ranging sensors use a laser beam in a non-contact manner to identify the distance between the target car in the front or rear situation, when the car When the distance is less than the predetermined safe distance, the car anti-collision system will make emergency braking to the car, or send an alarm to the driver, or make an instant judgment and response to the car driving based on the target car speed, car distance, car braking distance, response time, etc. It can greatly reduce driving accidents. When used on the highway, its advantages are more obvious. Traffic flow monitoring: The use method is generally fixed to the gantry of high-speed or important intersections, the laser emission and reception are perpendicular to the ground, aiming at the middle of a lane. When there are vehicles passing through, the laser ranging sensor can output the measured data in real time. The relative change value of the obtained distance value, and then the outline of the measured vehicle is depicted. This measurement method generally uses a ranging range of less than 30 meters, and requires a relatively high laser ranging rate, generally requiring 100 Hz. This can achieve good results for monitoring in important road sections, and can distinguish various models. The sampling rate of the vehicle height scan can reach 10 cm per point (at 40Km/h, the sampling rate is 11 cm per point). It can distinguish the height limit, length limit, vehicle type, etc. of traffic flow in real time, and can quickly output the results.

Technology is developing, industry is developing, and the competitiveness of various industries is also increasing. Of course, the laser cutting industry is no exception. Nowadays, it is more and more widely used. great results. The following editor will give you a brief introduction to the technical advantages of laser cutting machines. Laser cutting is a device that uses the principle of laser thermal cutting to cut various metals or sheet materials. The cut product has high precision and good stability. In the planning, the developers optimize the CNC control system from time to time, so that it can better satisfy the processing of increasingly fine parts. This well-planned numerical control system has strong dynamic stability and can continue to work together for a long time. Because the laser cutting machine adopts the optical fiber cutting head system, the cutting head will float with the unevenness of the sheet, but the position of the cutting point remains unchanged. Therefore, the slit of the cut material is smooth and flat, and no other post-processing is required after cutting. The Laser Module Holder reduces various processing links, with high speed and high cost performance. Of course, the core technology of the laser cutting machine lies in the stability of the optical path system of the laser.

Introduction of nine uses of laser marking machine Laser marking machines use laser beams to permanently mark the surface of various substances, such as electronic components, integrated circuits, mobile communications, hardware products, jewelry, pharmaceutical packaging, building materials and other industries are widely used. In addition to the marking purpose, the laser marking machine has other uses that we do not know. Today, I will introduce it to you in detail. Laser marking: The laser marking dot light guide plate is not easy to yellow, the illumination is high, the light guide is uniform, and the effect is lasting. Drilling: Laser drilling has simple requirements for workpiece clamping, and it is easy to realize online and automation on the production line. Laser drilling can be performed on hard, brittle, soft and other materials, with fast processing speed and high precision, and the hole wall surface is smooth and free of burrs. Engraving light-transmitting characters: The marking parameters adjusted by professional technicians can realize the light-transmitting effect on plastic, glass, acrylic and other materials, which not only does not damage the glossy surface of the product, but also has very clear transmittance. . It can engrave LOGO trademark, text, two-dimensional code, pattern, serial number, symbol, name, anti-counterfeiting code, code, barcode, etc. This laser engraving machine has the advantages of fast engraving speed, long service life, simple operation, zero consumables, high precision and safety. Environmental protection and zero pollution, the engraved text and patterns have the characteristics of long-term non-fading and non-falling. Engraving: The Pointer Laser Diode Module uses the heat energy of the laser to engrave materials with high efficiency, and the surface of the engraved part is smooth and round; it can be widely used for engraving various non-metallic and metal materials. Laser scribing: The laser marking machine can use a more advanced and flexible technology to concentrate the micron-sized laser energy on the surface layer that needs to be scribed for processing, and the laser energy will not cause damage to other layers or even the entire layer. A little bit of damage, whether it's a solid line or a dashed line, or a different dash shape, can be easily achieved! Laser hollowing out: The existing laser technology can completely hollow out carvings on various thin sheets. The laser marking machines produced by Fulan Laser all use high-speed digital scanning heads, which are small in size, fast in speed, good in stability, dynamic focusing, and have a wide processing format. They are suitable for arbitrary graphics processing and compatible with various drawing software. Bitmap, scribing, cutting, and hollowing are done at one time, with no yellowing or smearing. Marking: The laser marking machine can mark products of any material. The marking is clear and fine. It has unique visual and tactile effects and can never be wiped off. Therefore, the Laser Module Printing Machine has strong anti-counterfeiting and anti-smuggling. Features, while anti-counterfeiting can also improve the grade of the product. Integrated marking and cutting: Two functions of marking and cutting can be realized on one product at the same time. Laser burning: The laser marking machine effectively combines the computer-aided design technology to artistically finish the denim fabric. The dye on the surface of the denim fabric is instantly vaporized or the color is removed by the high-energy laser beam, so that it can be used on various denim fabrics. It can form non-fading image patterns, gradient flower shapes, cat whiskers, frosting, holes washed and aged, etc. Due to the high controllability of the laser, it can also achieve many personalized color-pulling printing effects. In addition to the above uses, there are many uses of laser marking waiting for us to discover, welcome to discuss with us.

Overview of Gauging Meter Laser Module Machine Vision Light is an instrument that accurately measures the distance to a target using a laser. The laser rangefinder emits a very thin laser beam to the target when it is working, and the laser beam reflected by the target is received by the photoelectric element. If the laser is fired continuously, the measuring range can reach about 40 kilometers, and the operation can be carried out day and night. If the laser is emitted by pulse, the absolute accuracy is generally low, but for long-distance measurement, a good relative accuracy can be achieved. Gauging Meter Laser Module is light in weight, small in size, simple in operation, fast and accurate, and its error is only one-fifth to several hundredths of other optical rangefinders, so it is widely used in terrain surveying, battlefield surveying, tank surveying, etc. , aircraft, ships and artillery to target ranging, measurement of clouds, aircraft, missiles and the altitude of artificial satellites. It is an important technical equipment to improve the accuracy of high tanks, aircraft, ships and artillery. As the price of laser rangefinders continues to drop, the industry has gradually begun to use laser rangefinders. A number of new miniature rangefinders have appeared at home and abroad with the advantages of fast ranging, small size and reliable performance, which can be widely used in industrial measurement and control, mining ports and other fields.

Optical modules can be divided into commercial grade (0°C-70°C), extended grade (-20°C-85°C), and industrial grade (-40°C-85°C) according to the operating temperature range. Generally, the optical modules used indoors only need to use commercial-grade optical modules, but if the optical modules are used in harsh environments with uncertain and fluctuating temperatures such as outdoors (for example: remote mountainous areas in the wild, tunnels, etc.), industrial Class optical module. Next, ETU-LINK will introduce to you the characteristics that industrial-grade optical modules need to have. 1. The chips and lasers used in industrial-grade optical modules support normal operation at temperatures between -40°C and 85°C. 2. The industrial-grade optical module uses heat-dissipating silica gel for physical cooling, so that the laser can quickly dissipate heat. 3. In order to ensure that the industrial optical module can work normally in a low temperature environment, it needs to have a temperature compensation function. The temperature compensation is more complicated, and it takes a lot of time for technicians to calculate and write to achieve the temperature fluctuation of the optical module. goes stable. 4. All industrial-grade optical modules must undergo high and low temperature aging tests. 5. Industrial-grade optical modules must be designed with scene hardening components in terms of electrical components and casings to ensure the service life of the module. Industrial-grade optical modules can be divided into industrial-grade SFP optical modules, industrial-grade SFP+ optical modules, industrial-grade XFP optical modules, industrial-grade CWDM optical modules, industrial-grade DWDM optical modules, industrial-grade SFP28 optical modules and industrial-grade optical modules according to different packaging types. QSFP28 optical module, etc.

Laser processing is one of the non-contact advanced processing technologies based on thermal energy. The wood cutting alignment laser module location has the advantages of fast processing speed, small material deformation, low processing noise, small cutting seam, high efficiency and high precision, which is conducive to the realization of digital processing. Therefore, the wood cutting alignment laser module kit is known as the "21st century universal processing tool" in various engineering material processing fields. At present, laser processing has been widely studied and applied in the fields of metal, ceramics, plastic products and wood processing. Domestic wood resources are relatively scarce, especially precious wood resources. Facing the growing demand for wood, how to improve the comprehensive utilization of wood and increase the added value of products has become an important issue in wood processing and manufacturing. The use of advanced laser processing and manufacturing technology can increase the output of processed products, and improve the surface adhesion and finishing performance after processing, which is of great significance to alleviate the contradiction between the supply and demand of wood resources and the growth of demand, and improve the quality of processed products. So what are the main applications of laser technology in wood processing? 1. Wood laser cutting The wood cutting alignment laser module ii is widely used in laser processing technology. It has fast speed, high refinement and adaptability, fine cutting seam, small heat affected zone, and automatic control during the cutting process. The laser cutting technology adopts non-contact processing, which can minimize the processing deformation, will not cause cracks in the wood board, and reduce material waste; and the laser processing speed is fast, the precision is high, the incision is smooth, and generally does not require subsequent processing. These are incomparable with traditional cutting methods. Relatively speaking, the cost performance of wood board laser cutting machine is still very high. 2. Wood laser engraving Laser engraving of wood materials is a very potential surface decoration technology of wood, an important technical means to provide value-added wood surface. Wood laser engraving is mainly a high-power laser irradiating the surface of wood products, converting light energy into heat energy, and generating cracking and carbonization through instantaneous heat flow. In this way, the surface of local wood materials is eliminated, and the patterns and characters of the pattern engraving provided by the software are formed. 3. Laser heat treatment Wood cutting alignment laser module holder is one of the wood modification methods. At present, on the market, mainly by laser heat radiation effect, the surface of wood is treated to change the physical and chemical changes of its internal performance and appearance. At present, laser heat treatment can be mainly used to improve the surface color and surface wettability of wood, increase the performance of surface coating materials and the new energy of anti-corrosion and mildew resistance. 4.laser marking Early laser processing has been widely used in cutting and welding processes. Due to the pulse width from nanosecond to femtosecond laser sources, in recent years, it has been applied to other machining processes such as marking, marking, selective ablation and surface engraving of materials such as metals, ceramics, polymers and wood, etc. The principle of laser marking and laser engraving is the same, which is the use of high-power laser radiation to affect the wood surface marking images, text, etc.

Semiconductor laser module, also known as "semiconductor laser module", is a kind of laser with early maturity and rapid development. Laser Module has a wide wavelength range, simple production, low cost, easy mass production, and small size, light weight, long life, so the variety of rapid development, a wide range of applications, has more than 300 kinds. Semiconductor laser module has been widely used in laser ranging, laser radar, ignition and detonation, detection instruments and so on, forming a broad market. The main application area of semiconductor laser module is Gb LAN, 850nm wavelength semiconductor laser module is suitable for)1Gh/. LAN, 1300 nm-1550 nm wavelength semiconductor laser module is suitable for 1OGb LAN system I1. The application scope of semiconductor laser module covers the whole field of optoelectronics. Power Supply has become the core technology of optoelectronics science.

Rapidly developing laser welding technology The basic principle of laser welding plastic is to superimpose two workpieces by pressing the clamp, and then inject laser into the upper workpiece so that the laser can penetrate the workpiece and be absorbed by the workpiece below. The absorbed laser light energy is converted into heat energy, which in turn causes the contact faces of the two workpieces to melt, eventually forming a weld zone. However, it is true that the application of laser welding techniques to solder thermoplastic materials has gone through considerable lengths. In an era of new materials, new equipment and new technologies, current producers must not only understand the characteristics, advantages and requirements of laser welding, but also recognize the many innovations and future trends in this field, so as to grasp the trend of technology. Always at the forefront of technology, Radial Laser Welding offers. Material development In order to better adapt to laser welding technology, material suppliers have made some significant progress in thermoplastic materials. About three years ago, almost all single natural materials achieved good laser welding quality after adding carbon black, but at that time the color of the absorbent could only be black. Now, there has been a lot of progress in this area. Producers can design almost any color, and can meet the requirements of laser welding at the same time, and ensure the stability of the process. In addition to color, innovations in materials technology have also broken some of the limitations of laser welding. For example, the flame retardants originally used in thermoplastic materials are all phosphating flame retardants, and laser welding thereof often leads to insufficient light transmittance of the material to near-infrared light. Nowadays, many material suppliers have developed a new type of chlorine-free flame retardant, which solves this problem well and successfully meets the requirements of laser welding. Process and equipment technology In the early years, laser welding technology required a large machine, even a small electronic component, and required a complicated external cooling system, which required a large factory space, which would undoubtedly lead to higher investment costs. And the welding equipment at that time used to use Nd:YAG solid-state lasers. Although the successful application of diode lasers has gradually replaced this solid-state laser, these diode lasers usually have a warranty time of less than 3000h and still cannot compete with solid-state lasers. With the successful development of new diode lasers, they are almost maintenance-free and have a life expectancy of up to 20,000 h, making it the first choice for manufacturers to successfully replace solid-state lasers. The current laser welding system is compact and compact, and the standard system can handle workpieces up to 240 mm x 240 mm with a focusing diameter of less than 1.5 mm. In addition, a variety of process monitoring methods are also available. Seeing the huge application potential and broad application prospects of diode laser technology, suppliers continue to increase research and development, and many new technologies have emerged. For example, diode laser fiber coupling technology and laser welding using industrial robots, etc., diode laser fiber coupling technology can ensure the uniformity of the laser beam even after replacing the laser source. As technology advances, laser welding can easily take advantage of processes and equipment to bridge the gap between equipment and conventional methods in terms of equipment cost. Therefore, cost factors are no longer the main reason for limiting the widespread use of laser welding technology. As a leader in laser welding applications, the tremendous growth of the automotive industry has once again proven the advantages of laser welding technology. Taking the sensor housing as an example (as shown in Figure 1), laser welding technology has been used in the automotive field for several years. Currently, the design of any new module has been designed from the beginning to accommodate its changes. In the case of sensitive electronic packaging, the use of conventional welding methods often produces significant mechanical stress and high temperature effects on electronic components, while laser welding can control and adjust the welding energy as needed, thus ensuring the fine and accurate welding quality. In addition, the economics of laser welding have also eased the extreme pressure on the automotive industry to reduce costs. The successful application of laser welding technology in the automotive industry is a testament to this. Future trend Regarding device size, there are two opposite trends in the market: on the one hand, the device is getting smaller and smaller, and the weld is complex; on the other hand, the device is larger and three-dimensional. The continuous development of laser welding equipment can meet both requirements. At present, medical diagnostic products continue to develop toward miniaturization, which requires welding technology to simultaneously integrate several functional devices in a minimum space. It is very difficult or impossible to solder capillary microfluidic structures (as shown in Figure 2) by other methods, and now, even today's inexpensive SEM scanning laser systems can solder such products. Previously, people chose Nd:YAG lasers that were easy to focus on, but the technology was very expensive and the technology was not flexible enough. In contrast, fiber laser or fiber-coupled diode laser welding technology can not only meet the weld width of 0.1mm, but also is not limited by the shape of the weld and the size of the chamber. If the inner diameter of the fiber is reduced, the SEM scanning laser system can also weld smaller welds or larger weld areas while achieving high speed welding. In order to adapt to the changing trend of device size, LPKF (Lopco Optoelectronics Co., Ltd.) has developed an SEM scanning welding system suitable for three-dimensional welding (as shown in Figure 3), which has a focal depth variation of up to 80 mm. The laser can enlarge the welding area of the welded workpiece to 370 mm × 370 mm and the weld width is less than 2 mm. Currently, this technology has been applied to large three-dimensional automotive parts such as welding engine compartments or automotive interiors. However, the application processing of the SEM scanning system has certain limitations. Complex three-dimensional components such as automobile taillights may obstruct the laser irradiation due to the concave or reverse beam angle, so the contour welding method must be selected. Contour welding has very strict requirements on the workpiece, and the welding cycle is long, which limits its application in this respect. LPKF has invented a hybrid welding method that compensates for many of the shortcomings of contour welding and has great advantages when welding three-dimensional large parts. The method uses a flexible, flexible robot to guide the laser, while the pressure required by the fixture comes from the weld head. The rollers used generate a lot of pressure without indentation of the workpiece and it is not sensitive to dirt. More importantly, the technology uses a laser with a chlorine lamp with a wider spectrum. The chlorine lamp directly heats the upper workpiece while absorbing heat from the underlying workpiece to form an integral heating of the workpiece. Compared with the conventional welding method, the heat transfer of the workpiece welding surface is more uniform, and the hardness of the upper workpiece is reduced. If there is a gap error, it can be processed earlier, thereby ensuring a higher and more stable welding quality, and at the same time shortening. Welding time. The addition of a chlorine lamp effectively reduces the power of the laser required and correspondingly reduces the cost. In addition, when the composite welding is applied, the inherent residual stress of the workpiece is small, and the subsequent tempering treatment can be greatly simplified or even unnecessary, which is of great benefit to the amorphous thermoplastic material. In addition to innovations in device welds, a number of new material combinations have emerged, and laser welding techniques are no longer limited to combinations of hard/hard materials. New laser welding materials are emerging, including thermoplastic fabrics, thermoplastic elastomers, and sheet materials for packaging and medical catheters, expanding the range of applications for laser welding. Now, even laser cleaners or coatings can be used to achieve clean welding of amorphous plastics, which is simple and reliable. The emergence of other laser sources, such as CO2 lasers, provides a new opportunity for laser welding technology because its long-wavelength light can be absorbed by any transparent plastic. From an economic point of view, innovations in diode lasers and process technologies ensure efficient laser welding, and the reduction in laser costs also means lower investment costs. More importantly, the machine's working time is further improved by continuously extending the maintenance interval and the service life of the equipment. in conclusion Although laser hybrid welding technology is relatively new, it has unique advantages and can even replace conventional welding technology in some aspects. At the same time, the development trend of device miniaturization and complex three-dimensionality also shows that laser hybrid welding technology has great potential for future application development.

An auxiliary vapor body suitable for the material to be cut is also added during the laser processing and cutting process. The steel is cut with oxygen as the auxiliary vapor and the molten metal to generate an exothermic chemical reaction to oxidize the material, while helping to blow away the slag in the slit. A type of plastic that cuts polypropylene uses compressed air, and flammable materials such as cotton and paper are cut using an inert gas. The auxiliary vapor entering the nozzle also cools the focusing lens, preventing smoke from entering the lens holder and contaminating the lens and causing the lens to overheat. Laser cutting without burrs, wrinkles, high precision, better than plasma cutting. For many electromechanical manufacturing industries, modern laser cutting systems controlled by microcomputer programs can easily cut workpieces of different shapes and sizes, which are often preferred over die cutting and molding processes; although they are slower than die punching, However, it has no mold consumption, no need to repair the mold, and saves the time for changing the mold, thereby saving processing costs and reducing production costs, so it is more cost-effective to consider. Most organic and inorganic materials can be laser cut. In the metal processing industry where industrial manufacturing systems are heavily weighted, many metal materials, regardless of their hardness, can be cut without distortion. Of course, for high reflectivity materials such as gold, silver, copper and aluminum alloys, they are also good heat transfer conductors, so laser cutting is difficult or even impossible. Laser cutting has many features. For example: 1. narrow straight edge slit; 2. minimum heat affected zone adjacent to the trim; 3. minimal local deformation. Secondly, the laser beam does not exert any force on the workpiece. It is a non-contact cutting tool, which means 1. The workpiece has no mechanical deformation; 2. No tool wear, and no problem with the conversion of the tool; 3. Cutting material need not be considered. Its hardness, that is, the laser cutting ability, is not affected by the hardness of the material being cut, and any hardness material can be cut. As with other thermal cutting methods, as a thermal cutting process, other methods do not act as a laser beam in a very small area, resulting in a wide slit, a large heat affected zone, and significant workpiece deformation. Lasers can cut non-metals, while other thermal cutting methods do not. However, laser cutting has greater flexibility than other conventional processing methods.

The welding tracking sensor head includes a CCD camera and one or two semiconductor lasers. The laser is used as a structured light source to project laser fringes onto the surface of the workpiece under the sensor at a predetermined angle. The camera directly observes the stripes at the bottom of the sensor. On the front of the camera is an optical filter that allows the laser to pass through but filters out all other light, such as welding arcs. The sensor can therefore be very close to the welding arc. The sensor is usually installed in the front of the welding gun at a preset distance (advanced), so it can observe the weld. The distance from the sensor body to the workpiece, that is, the installation height, depends on the type of sensor installed. When the welding torch is correctly positioned above the weld, the weld should be close to the center of the stripes, so that the camera can observe the laser stripes and the weld. Since the laser fringe is projected at a certain angle, if the distance between the workpiece and the sensor is too close, the position of the laser fringe will be relatively forward. Conversely, if the workpiece is farther away from the sensor, the position of the laser stripes on the surface of the workpiece is relatively backward. The camera observes the position of the laser fringe, and the sensor can measure the vertical distance from the workpiece. From the perspective of the shape of the stripes, the sensor can also measure the contour of the surface and the position of the weld on the stripes, which allows the sensor to measure the lateral position of the weld. The image observed from the camera is processed by the controller, and the image is first acquired and formed into a digitized laser fringe image. The software then uses specific settings to divide the stripes into many lines that form the weld. From the position of these lines, the system can measure the position of the weld and convert it into a distance calculated in mm. This conversion is done using the calibration data stored in the sensor head. When the system is tracking, the welding speed and the forward-looking distance are used to calculate the delay time. This ensures that the welding gun, not the sensor, travels along the weld. It should be pointed out that the control strategy provides a smooth forward looking distance to ensure the formation of a smooth weld. Therefore, if the sensor encounters a step change in the path, it will provide a smooth response, as shown in the figure below. The key components of the sensor include: CCD cameras and filters, semiconductor lasers and optical components, microprocessors for temperature monitoring, and stored calibration data. The temperature monitor protects the laser in case of failure of the cooling system. If the laser is used at a temperature exceeding the limit, its life will be significantly reduced. The storage of calibration data makes the sensor heads completely interchangeable. Without additional costs and modifications. Thus, the minimum downtime in the event of sensor damage or failure is guaranteed. The fumes and splashes of the welding process are protected by a black copper splash baffle to protect the optical components of the sensor head. This splash baffle is equipped with a clear and replaceable plastic sheet, which must be replaced regularly when dirt is on its surface. The sensor must be welded with shielding gas or air cooling (clean, dry and oil-free) to maintain the temperature of the electronic components below 50°C, prevent smoke and dust, and protect the optical components. The gas flow rate used is typically 5L/min. If necessary, a water-cooled mounting plate can be used to provide additional cooling to the sensor head. Conversely, if the temperature of the semiconductor laser is lower than +5°C, the optional heater should be installed on the sensor.

Changshu Desheng Optoelectronics Co., Ltd. will meet you at the Shanghai VISION CHINA on Oct. 28th-30th. Welcome our new and old friends!

In the above chapters, we focused on the bar code scanning module (one-dimensional bar code scanning module and two-dimensional scanning module), also known as bar code reader. It is a core identification component widely used in the field of bar code automatic identification, and it is also one of the key parts for secondary development of smart devices such as pda equipment, scanning code gun module, self-service equipment, and access control gates. The barcode scanning module has a complete and independent barcode scanning and decoding function, which can be written into various industrial application function programs as required. From the source of the emitted light, it can be divided into laser scanning module and red scanning module. Now let's take a closer look at their specific differences. The working principle of the laser scanning module is that a laser light source point is generated by the internal laser device, and is struck on a reflective sheet with a mechanical structure device, and then the laser point is oscillated by the vibration motor to form a laser line on the barcode, and then AD is decoded into a digital signal. The red light scanning module generally uses an LED light-emitting diode light source, and is converted by a photoelectric signal by a CCD photosensitive element. Most of the laser scanning modules rely on the glue to fix the machine to make the device, so it is easy to damage when swinging, and the pendulum is detached. Therefore, we can often see that some of the laser guns that have been scanned after falling are a point. , resulting in a fairly high return. The red light scanning module has no mechanical structure in the middle, so the drop resistance is not comparable to the laser, so the stability is better, and the red light scanning module repair rate is far lower than the laser scanning module. At present, due to the expensive and vulnerable damage of laser scanning modules, many embedded scanning modules currently select one-dimensional bar code scanning modules such as red light or two-dimensional scanning modules, which are mainly embedded in mobile phones, pipeline devices, medical devices, Self-service terminals, access control gate devices, handheld devices, etc. are used as scanning code applications. Barcode scanning modules that are suitable for different industries may be different, so you need to choose according to the actual situation of your work. If you don't know how to start, the manufacturer is willing to serve you to meet your needs.

Camera positioning laser cutting machine laser, automation and artificial vision intelligent technology In recent years, we have seen the rapid development of science and technology in our great motherland. This made me feel extremely proud for me as a Chinese. With the advancement of technology and the progress of people, we will join the Chinese cutting machine trading network to make progress together. Join the hotline, we look forward to your call. Details:/ In order to solve the on-site needs of special-shaped trademarks and type processing methods, Han's Yueming Lasers has used the most advanced DSP technology and the world's leading camera positioning and image recognition system, successfully developed a camera positioning laser cutting machine, and provided a complete set of Shaped cutting solution. The camera positioning laser cutting machine uses the software design of the shortest cutting path. Using the camera positioning system, the pattern is taken into the computer through the vision system, and then the workpiece can be automatically searched and accurately positioned for cutting. Under the collaborative work of the camera positioning vision system and computer software, the camera positioning laser cutting machine can automatically track and compensate the fine tensile deformation of the fabric throughout the entire process to ensure that the cutting is accurate and accurate, thus achieving rapid continuous curve cutting. The launch of the camera positioning laser cutting machine marks the harmonization of laser technology, automation technology, and artificial visual intelligence technology. The trademark cutting machine adopts the world's leading recognition technology to realize high-precision visual recognition of 5 million pixels, automatically search for edges, track the edge of the trademark cutting line, or locate feature points, can automatically display mobile shooting continuously, full version automatically cut the trademark, greatly improving The accuracy of the trademark cutting and production efficiency. The trademark cutting machine is equipped with a variety of identification methods to ensure the high-speed, accurate edge-cutting of the full-page trademark. It is the largest laser cutting machine on the market currently identified. Therefore, the trademark cutting machine is particularly suitable for large-format trademarks and embroidery collars. Automatic identification cutting is widely used in the textile and apparel industry.

After more than 40 years of development, the laser radar technology has been from the original laser ranging technology, gradually developed laser tracking, laser guns, such as the laser scanning imaging, laser doppler imaging technology, hence the different kinds of laser radar, is widely used in various fields, the laser radar in many years ago, is not known by people,Until the rise of robots and unmanned driving technology in recent years, laser radar gradually entered people's vision. In the beginning, lidar was not only born for robots (including unmanned driving), but also widely used in VR/AR, intelligent transportation, ocean exploration and fishery resource monitoring, 3D printing and other fields. Robotics -- help robots to achieve autonomous positioning and navigation Autonomous navigation and positioning are indispensable to realize the independent walking robot technology, no matter what kind of robot, as far as autonomous mobile, you need to walk on its environment for navigation positioning, the localization of traditional navigation methods due to the low level of intelligence, not solve the problem of navigation and positioning, until the emergence of laser radar, to a great extent, solve the problem,Robot navigation and positioning technique based on laser radar SLAM, increase visual and inertial navigation, multi-sensor fusion scheme to help the robot to realize autonomous figure, path planning, autonomous obstacle avoidance task, such as it is now the most stable, most reliable performance of navigation and positioning method, and long service life, low cost later stage. Of the robot is currently the most widely used single laser radar, laser radar with slam algorithm, can make a sweeping robot intelligent cleaning the room, cleaning the process map, real-time transmission to the phone APP, even if the user is not at home, also can through the mobile phone APP to check the cleaning situation, and arrange other place clean. Autonomous vehicle field -- autonomous perception of road environment and route planning In the field of unmanned vehicles, lidar is mainly multi-line number, and its role is similar to that of robots. It is mainly to help cars perceive the road environment autonomously, plan driving routes automatically, and control the vehicle to reach the predetermined target. How does lidar help cars identify junctions and directions? Lidar uses a technology called time of flight, which calculates the relative distance of a target from itself based on the time it takes for the laser to return to an obstacle. The laser beam can accurately measure the relative distance between the edge of an object's contour and the device in the field of view. The contour information forms a so-called point cloud and creates a 3D environment map with an accuracy of up to centimetres, thus improving the measurement accuracy. 3D printing - measurement, monitoring and other roles In 3D printing, lidar can also be used. For example, the popular Printoptical3D printing technology is essentially a one-stop technology "from CAD design to optical parts", and the printed optical parts do not need post-processing such as polishing, grinding and coloring. Based on mature, wide-format industrial inkjet printing equipment, the technology is sprayed with transparent polymer droplets that are cured by a strong UV lamp integrated into the print head, resulting in a variety of geometric shapes in which lidar is used to measure, monitor and so on. In addition to the above application fields, lidar still has more application space to expand in the future, according to different scenarios, the requirements of lidar are also different, in the future, there is still room for improvement in the field of robot lidar, with the mature technology, the future lidar market can be expected.

The laser locator is a special high-precision reference measuring instrument designed for the installation, maintenance and inspection of large-scale equipment. The light emitted by the laser locator is clear, bright, uniform in lines, high in collimation, intuitive and practical, stable, and easy to operate. The light target of the laser locator can be attached to the object to be measured, so that the user can complete the needs of detection, processing, installation, etc. It can be installed on the vertical or horizontal plane of the mechanical equipment, and the laser line can be arbitrarily fine-tuned in the three-dimensional space. The laser positioner is made of a semiconductor laser and a linear optical lens system. It is used in industrial marking positioning lasers. It can be used as a standard component and widely used in various industrial processing machinery. It can play marking and positioning functions and increase the use of equipment. Convenience improves the working efficiency of the equipment and reduces material waste. The marking of the laser locator is accurate, intuitive and practical, and can improve work efficiency. It is mostly used in bridge stone cutting machines. The laser locator measures the light spot at a long distance with a circular grid structure, and the image is clear, so that there is no need to adjust the focus during the whole measurement process, and the whole process has no focusing operation difference, thus ensuring that the laser beam provided by the host is a high-definition. Easy to distinguish laser beam. The laser positioner is mainly used for knife setting of various sheet cutting and forming machines, tire building machines, woodworking machinery, stone bridge cutting machines, steel scribing and positioning, sheet metal shearing and pressing machinery, stone machinery, woodworking machinery, metal sawing machines, and packaging machinery. Put the line. Laser locator is widely used in the fields of mechanical plate gold marking, electric saw marking and positioning, cutting machine material cutting marking and positioning, screen printing positioning, cross line template positioning, textile printing and dyeing garment positioning, tire positioning and other fields.

With the rapid development of science and technology, the performance of semiconductor laser modules has reached a very high level, and the beam quality has also been greatly improved. Therefore, most brands of laser particle size analyzers in the world use semiconductor lasers as light sources. When used as the light source of the laser particle size analyzer, constant current and constant temperature measures must be taken on the control circuit to ensure the stability of the output power. Advantages of semiconductor lasers: It is small size, light weight, high reliability, long service life, low power consumption. In addition, the semiconductor laser adopts low voltage and constant current power supply, which has low power failure rate, safe use, and low maintenance cost. Therefore, the application field is expanding day by day. At present, the number of semiconductor lasers used ranks first among all lasers, and other lasers commonly used in some important application fields have gradually been replaced by semiconductor lasers. Its application areas include optical storage, laser printing, laser phototypesetting, laser ranging, barcode scanning, industrial detection, test and measurement instruments, laser display, medical instruments, military, security, field detection, construction leveling and marking instruments, Laser level and various marking positioning etc. Features and scope of application The semiconductor diode laser is the most important type of laser in practical use. It is small in size, long in life, and can use simple injection current to pump its working voltage and current to be compatible with integrated circuits, so it can be monolithically integrated with it. And you can directly modulate the current with frequencies up to GHz to obtain high-speed modulated laser output. Due to these advantages, semiconductor diode lasers have been widely used in laser communications, optical storage, optical gyroscopes, laser printing, ranging and radar. Raykai is a qualified manufacturer of laser systems and laser projectors in various industries. Raykai focuses on the planning, development and manufacturing of high-stability and high-quality laser systems. Raykai has a group of professionals who have been engaged in design, research and development, and production management for more than 10 years. Raykai can provide laser modules with high quality, excellent performance and high cost performance to domestic and foreign markets in time, while ensuring quality and delivery time. Our company's Laser for positioning and alignment for sale. If you need it, please contact us.

At present, wood cutting is mostly carried out in the form of traditional saw blade cutting, but it will produce a lot of pollution such as sawdust and noise. Using laser to cut wood can not only reduce noise, but also reduce the generation of sawdust particles and reduce the harm to the human body. The section quality of laser-cut wood is also better than that of traditional cutting. The cut surface is rough, torn or fluffy wood grain is not obvious, but is covered with a thin carbonized layer. Laser cutting technology uses a focusing mirror to focus the CO2 laser beam on the surface of the material to melt the material, and at the same time use the compressed gas coaxial with the laser beam to blow away the melted material, and make the laser beam and the material move relative to each other along a certain trajectory. Form a cut of a certain shape. In order to reduce the manufacturing cycle of large stamping dies, CNC nibbling and electrical machining technologies have been developed. Various cutting methods have their shortcomings and have a certain scope of application in industrial production. There are two different basic methods of laser cutting wood: instantaneous vaporization and burning. The way of laser cutting wood depends on the power density absorbed by the wood during laser cutting. Instant gasification is an ideal wood cutting method. The wood gasifies under the irradiation of a focused laser beam to form slits. The characteristics of gasification cutting are: fast cutting speed, no heat transfer to the uncut substrate, no carbonization of the profile, only slight darkening and glaze. The burning method of cutting is mainly due to the low beam power density, which is characterized by slower cutting speed, wider cutting seam, large cutting thickness, and smoke and burnt smell when cutting. The burning method consumes more energy to cut a unit material than the gasification method, and there is carbonization in the cutting edge. However, in the actual process of cutting wood, gasification is basically accompanied by combustion. This is because although the gasification method has the advantages of high efficiency, it requires a higher power density to achieve. In the actual laser irradiation process, due to the influence of the laser output power and beam mode, the beam power density in some areas of the material irradiated surface is always lower than the power density required for gasification, so a small amount of burning occurs. In addition, laser cutting wood also requires auxiliary airflow coaxial with the beam, generally low-pressure inert gas or air.

At present, there are many home theater products on the market. Merchants use the name of home theater to confuse the concepts of ordinary projectors and laser projectors. Consumers are stupid and confused. They are not clear about the difference between the two and are easily led by the merchants. And purchased an inappropriate product. So what is the difference between a laser projector and an ordinary projector? Now simply analyze the difference in technical composition between the two. Laser projectors use laser beams to transmit images. The optical components of the laser projector are mainly composed of red, green and blue light valves, combined X prisms, projection lenses and driving light valves. There are red, green and blue lasers in the laser projector. 1. First of all, the biggest difference between the two is the light source. Laser projection uses solid-state laser as the light source, while traditional projectors and most of them use ultra-high pressure mercury lamps; the two are also different in life, laser light source The life span can reach more than 20,000 hours, and it can be used for 8.5 years based on 8 hours a day; while the life span of a general projector is generally 5000 hours, and it is generally used for about 2 years; this also leads to the high cost of the laser light source itself. The cost of sexual input is large, but the subsequent replacement cost is small, while the light bulb is just the opposite. 2. Ordinary projection uses the principle of LCD projection, the image is still displayed on the panel, but the image is projected onto the screen through a stronger light source and lens; while laser projection uses DLP projection, its principle is to use a lot of small Mirror, each small mirror controls the angle of light to achieve different intensity control, the emitted light hits the screen through the lens to form an image. 3. Projection distance, the limitation of the principle causes the general projector to have relatively high requirements for space, requiring a larger indoor environment and projection distance; while the laser is the opposite, using reflective short-focus projection, so it can be within half a meter A large screen of more than 100 inches can be projected at a distance of 300 inches. 4. Traditional projectors have a long projection distance and need to be matched with a good screen. Most of them use the principle of diffuse reflection to avoid direct reflection of strong projection light, so their performance in anti-light performance is weak. The laser projection that adopts the reflective cut-off projection principle can shorten the projection distance, with higher brightness and stronger anti-light performance. Established in 2010, Raykai has been known as a qualified manufacturer of laser systems and laser projectors in a variety of industries. Raykai focuses on planning, developing and manufacturing laser systems of high stability and good quality. Raykai owns a group of professional talents who have been engaged in the design, research, development and production management for over 10 years. Raykai is able to provide laser modules of good quality, outstanding performance and cost efficiency for both domestic and overseas market in a timely manner and meanwhile to guarantee both the quality and lead time. Our company`s Laser Line For Sawing Machine Positioning on sale, if you need our product, please contact us.