This kind of green laser pointer is powerful for the customer
The effect of combined treatment, the hardened layer is divided into three zones: the first as the surface is fully hardened area, the best surface for the needle-like martensite, 10 cementite retained austenite, sub-surface for the needle-like martensite + lath martensite + retained austenite; the second layer as the buffer layer, 12 laser-welded columnar crystal morphology (fusion line of the Ministry of Figure 12 with a fast swing beam of laser surface hardening indicate carbide precipitation by the martensite tempering Composition; third area for high-temperature tempering zone, by tempering sorbite. the UK LTRI Institute has developed a variety of different combinations of laser hardening technology and other material handling technology. The button of green laser pointer can be pressed easily to remotely control the turning over of the documents like PPTs.Usually in the role of laser heat treatment beam formed in the surface shape of the cross section is ideal for square or rectangular uniform spot, and its quenching with a cross-section shown in Figure 6. From the point of view, to precisely control the laser region, the beam with a neat border is a good beam, but the practical application, expect to get a uniform quenching with, in fact, need energy in the role of the spot edge protruding beams. 1) band laser scanning rotating mirror) suitable for high power laser and a large area of the metal material surface enhanced laser broadband scanning rotating mirror in many factories, schools and research institutes has been applied, is the main beam of the laser spot optimization device its working principle is shown in Figure 7. green laser pointer is easy to manage.
An incident laser beam to a parabolic focusing mirror group, focused reflection mirror 3, the workpiece where the x'o'y of 'coordinate plane by the rotating mirror reflection to form a focal point spot, rotating mirror for the multi-faceted bevel mirror focal point spot x'o'y 'coordinate plane to complete a scan. Spot of the workpiece and the scanning line in the y 'axis relative movement speed according to process requirements with the appropriate technical measures, to achieve the laser width of the surface hardening treatment (Figure 7 laser scanning rotating mirror excited works Figure Figure of eight laser scan line of the rotating mirror quenching with a cross-section shape of the schematic light quenching, melting, cladding, alloying, etc.). Because of the line spot has a certain width (1mm), the scan line work spot any position to take some time to sweep the surface, which is equivalent to the number of scans (50-500 times repeated in the same location, corresponding to the workpiece velocity of 20mm / s and between 2mm / s). Users can handheld green laser pointer .
Tuesday, December 25, 2012
Sunday, December 23, 2012
The technology of green laser pointer is improved
The technology of green laser pointer
is improved.
Efficient kilowatt solid-state solid-state lasers. The optical quality of the laser output between the end-pumped and side-pumped, can get a higher output power and better optical mode. But this
laser design and debugging more difficult and therefore not used for most laser companies. Fiber lasers fiber laser optical amplifiers in the optical communications industry evolved in recent
years. The first launch that is caused by the vibration of the industry, its good optical quality, high output power, long life and maintenance-free characteristics gained the attention of many
companies. The price of green laser pointer is attractive.
The reflectivity of the VRM can be plated into a Gaussian distribution (Figure 2), but also the metastable zone can be plated into a super-Gaussian distribution (Figure 3), depending on system
design requirements. Energy solid state laser design of the condenser chamber. If only one oscillation level to meet the final energy requirements, the use of ceramic diffuse reflection condenser
chamber generally can not only get high efficiency, but also to protect the laser spot is uniform [6] , mode. But if you need multi-stage power amplifier to achieve the final output, ceramic
diffuse reflection of the design of the condenser chamber often caused by the edge of the output spot is very bright, relatively weak situation of the central part of the spot. Throughout 2009, Apple's iPhone leading the touch
screen smart phone market, Nokia ranked second, HTC and Samsung separated three or four.
Another transition process, the energy released by the optical radiation in the form of release, which is called the spontaneous radiative transition. Radiation of photon energy to meet the Boer
relations: the atomic spontaneous emission is characterized by the atomic spontaneous emission probability A21 only with the nature of the atom itself, and nothing to do with the external radiation
field. Atomic spontaneous emission is completely random, and the atoms to each other in the spontaneous transition independent of the spontaneous radiation of light in the chaotic phase,
polarization and propagation direction, the light energy distribution in a wide frequency range. When the atomic system by the external energy of the photon irradiation hγ21, if hγ21 = E2-E1, in
the atoms are excited on the low-energy state E1. With the safety key lock unlocked, the customer can use green laser pointer if the customer presses the button on the laser torch.
is improved.
Efficient kilowatt solid-state solid-state lasers. The optical quality of the laser output between the end-pumped and side-pumped, can get a higher output power and better optical mode. But this
laser design and debugging more difficult and therefore not used for most laser companies. Fiber lasers fiber laser optical amplifiers in the optical communications industry evolved in recent
years. The first launch that is caused by the vibration of the industry, its good optical quality, high output power, long life and maintenance-free characteristics gained the attention of many
companies. The price of green laser pointer is attractive.
The reflectivity of the VRM can be plated into a Gaussian distribution (Figure 2), but also the metastable zone can be plated into a super-Gaussian distribution (Figure 3), depending on system
design requirements. Energy solid state laser design of the condenser chamber. If only one oscillation level to meet the final energy requirements, the use of ceramic diffuse reflection condenser
chamber generally can not only get high efficiency, but also to protect the laser spot is uniform [6] , mode. But if you need multi-stage power amplifier to achieve the final output, ceramic
diffuse reflection of the design of the condenser chamber often caused by the edge of the output spot is very bright, relatively weak situation of the central part of the spot. Throughout 2009, Apple's iPhone leading the touch
screen smart phone market, Nokia ranked second, HTC and Samsung separated three or four.
Another transition process, the energy released by the optical radiation in the form of release, which is called the spontaneous radiative transition. Radiation of photon energy to meet the Boer
relations: the atomic spontaneous emission is characterized by the atomic spontaneous emission probability A21 only with the nature of the atom itself, and nothing to do with the external radiation
field. Atomic spontaneous emission is completely random, and the atoms to each other in the spontaneous transition independent of the spontaneous radiation of light in the chaotic phase,
polarization and propagation direction, the light energy distribution in a wide frequency range. When the atomic system by the external energy of the photon irradiation hγ21, if hγ21 = E2-E1, in
the atoms are excited on the low-energy state E1. With the safety key lock unlocked, the customer can use green laser pointer if the customer presses the button on the laser torch.
Friday, December 21, 2012
green laser pointer can free users from the radiation of the computer
green laser pointer can serve as normal laser pens for teaching.Some others of green laser pointer might use the battery of the specific specification
ATC control circuits are generally two-way precise temperature control circuit that can boot instantly quick heating, so that the laser quickly reaches the set temperature, in order to achieve effective protection of the laser; usually provided by the ATC circuit temperature control point at 25 ° C ± 0.1 ℃, the laser process if the deviation from the baseline temperature ± 1 ° C, the microprocessor automatically cut off the drive and bias current of the laser, and alarm. High-end machine on the front panel temperature display are constant. If the parameter value range description of the aircraft ATC control circuit control accuracy is indeed a problem. green laser pointer can free users from the radiation of the computer.
APC control circuit of the laser automatic power control, front panel display of the output optical power values are generally the result value of the APC control circuit. The stability of the whole work, the value generally constant, if too much deviation from the reference value, the microprocessor will automatically disconnect the laser bias and the police to protect the laser from damage. Overall, the ATC and APC control of the high-end machines are often complex, advanced control technology, control accuracy and stability is quite high. The models use expensive lasers, lasers in order to protect and effectively extend the life of the laser, are generally better laser protection circuit, even if the ATC, the APC circuit out of control, it will not damage the laser. green laser pointer creates a healthy teaching environment.
Man-machine interface. Compared with the economic models, the models of man-machine interface to do the extreme; In addition to the accurate display of a variety of state parameters of the laser to precisely monitor the laser, each fault microprocessor give the cause of the malfunction and The sound and light alarm. The model not only has a wealth of control interfaces, and generally comes with management software, just the management and control software into the control computer connected to the communication interface of the optical transmitter to the proximal end of the optical transmitter and remote monitoring . State control of the optical transmitter and display.
ATC control circuits are generally two-way precise temperature control circuit that can boot instantly quick heating, so that the laser quickly reaches the set temperature, in order to achieve effective protection of the laser; usually provided by the ATC circuit temperature control point at 25 ° C ± 0.1 ℃, the laser process if the deviation from the baseline temperature ± 1 ° C, the microprocessor automatically cut off the drive and bias current of the laser, and alarm. High-end machine on the front panel temperature display are constant. If the parameter value range description of the aircraft ATC control circuit control accuracy is indeed a problem. green laser pointer can free users from the radiation of the computer.
APC control circuit of the laser automatic power control, front panel display of the output optical power values are generally the result value of the APC control circuit. The stability of the whole work, the value generally constant, if too much deviation from the reference value, the microprocessor will automatically disconnect the laser bias and the police to protect the laser from damage. Overall, the ATC and APC control of the high-end machines are often complex, advanced control technology, control accuracy and stability is quite high. The models use expensive lasers, lasers in order to protect and effectively extend the life of the laser, are generally better laser protection circuit, even if the ATC, the APC circuit out of control, it will not damage the laser. green laser pointer creates a healthy teaching environment.
Man-machine interface. Compared with the economic models, the models of man-machine interface to do the extreme; In addition to the accurate display of a variety of state parameters of the laser to precisely monitor the laser, each fault microprocessor give the cause of the malfunction and The sound and light alarm. The model not only has a wealth of control interfaces, and generally comes with management software, just the management and control software into the control computer connected to the communication interface of the optical transmitter to the proximal end of the optical transmitter and remote monitoring . State control of the optical transmitter and display.
Thursday, December 20, 2012
The laser scale overview of the work process
The laser scale overview of the work process. Laser scales are
composed of two parts of the scale body and the host computer, as shown in Figure 2.1, the scale body shell, laser, camera, power distribution box, installed in the material handling site; the host
computer is an industrial computer, put In the control room. Schematic diagram of the basic institutions of the laser scale. Work, the lasers emit infrared laser, fired at the material surface.
Camera to detect the material surface reflectance infrared laser to accurately measure the accumulation of the volume of the material. When the packing density of the material is almost constant,
there is no need to configure the γ-ray density measurement modules for physical calibration measured by the accumulation of volume can be calculated, according to the material quality. The use
requirement of green laser pointer will guide the user much.
When the packing density of the material changes, we need to configure the γ-ray density measurement modules, according to the measured volume and density to calculate the material quality.
Installation size: 1000mm wide belt, laser scales roughly above the belt 1000mm high along the belt is 1500mm long the installation space. Belt width, installation size will be different, and is
roughly proportional. Scale body installation location is easy to install and maintain, and dry, and less gray, vibration. Scale body needs a reliable connection, and to take the shock measures.
Front and rear of the scale body should Gapi with corrective device, from the scale body is about 1000mm. The limitation of owning green laser pointer is one important thing that the customer
should know in advance.The first three 1-inch square with your graphics software, delivery of the machine a 0.001-inch frame, and add color to set the level of the engraving (black, red, green), so that the parameters at
the same time in three square on the job, the speed set to fast slow, by the results of the object to determine the depth you want to cut. The best parameter setting must be after repeated fine-
tuning. Nicked the force is not enough to penetrate the workpiece, it would need to reduce the cutting speed, laser can have enough time to generate heat to cut through the object, in other words,
if the heat is too strong may be burned workpiece, this time cutting speed must be accelerated to reduce the possibility of the workpiece to be burned. In this phase of the parameter set is usually
not easy to grasp. The advantages of the Infrared products green laser pointer with remote control are low costs and prices.
composed of two parts of the scale body and the host computer, as shown in Figure 2.1, the scale body shell, laser, camera, power distribution box, installed in the material handling site; the host
computer is an industrial computer, put In the control room. Schematic diagram of the basic institutions of the laser scale. Work, the lasers emit infrared laser, fired at the material surface.
Camera to detect the material surface reflectance infrared laser to accurately measure the accumulation of the volume of the material. When the packing density of the material is almost constant,
there is no need to configure the γ-ray density measurement modules for physical calibration measured by the accumulation of volume can be calculated, according to the material quality. The use
requirement of green laser pointer will guide the user much.
When the packing density of the material changes, we need to configure the γ-ray density measurement modules, according to the measured volume and density to calculate the material quality.
Installation size: 1000mm wide belt, laser scales roughly above the belt 1000mm high along the belt is 1500mm long the installation space. Belt width, installation size will be different, and is
roughly proportional. Scale body installation location is easy to install and maintain, and dry, and less gray, vibration. Scale body needs a reliable connection, and to take the shock measures.
Front and rear of the scale body should Gapi with corrective device, from the scale body is about 1000mm. The limitation of owning green laser pointer is one important thing that the customer
should know in advance.The first three 1-inch square with your graphics software, delivery of the machine a 0.001-inch frame, and add color to set the level of the engraving (black, red, green), so that the parameters at
the same time in three square on the job, the speed set to fast slow, by the results of the object to determine the depth you want to cut. The best parameter setting must be after repeated fine-
tuning. Nicked the force is not enough to penetrate the workpiece, it would need to reduce the cutting speed, laser can have enough time to generate heat to cut through the object, in other words,
if the heat is too strong may be burned workpiece, this time cutting speed must be accelerated to reduce the possibility of the workpiece to be burned. In this phase of the parameter set is usually
not easy to grasp. The advantages of the Infrared products green laser pointer with remote control are low costs and prices.
Wednesday, December 19, 2012
Laser ranging technology its odometry away
Laser ranging technology its odometry away, high precision is used for a variety of range finders, play a key role to improve the hit accuracy of air defense, maritime operations, short-range precision strike weapons on land attack. Play a more prominent role in the ability to improve the reconnaissance system. Laser ranging techniques in laser detection equipment, greatly reducing the volume and weight of the rangefinder and laser ranging accuracy has been greatly improved. Laser range finder and other rangefinder with high precision, ranging speed, small and flexible, measuring from the digital display, simple operation, easy training, etc.. The green light emitted by green laser pointer can be seen miles away even during the daylight.
The laser rangefinder has accumulated 30 years of development experience and 20 years of experience in the use, is the most mature technology, a military laser equipment. According to the different requirements of the national military, the various models and the use of laser range finder has been the mass production of a large number of equipment, the countries of the army and become the world arms market, a military photoelectric export apparatus. The scope of application of the laser rangefinder has been edited the size of the national army and arms, mainly used for reconnaissance and fire control. In reconnaissance applications, the laser range finder for artillery forward observer or observed, the infantry scout or reconnaissance teams and special forces to complete the detection target, detect terrain to determine the location and school shooting fire mission.
The laser power from low voltage power supply of high voltage power supply box, whose role is to provide electricity. The laser rangefinder works by pulsed laser firing a single laser pulse or laser burst to the target, counter to measure the laser pulse to reach the target by the target to return to the round-trip time of the receiver, thereby computing the target distance. The course of their work: the first target, and then connected to the laser power supply, start the laser, a laser pulse signal through the launch of the optical system to aim at the target. The same time, the sampler collected the transmitted signal, as a pulse signal of the counter and opens the door to start the counter, IF oscillator would like to counter input IF pulse laser echoes reflected by the target through atmospheric transmission. When he or she works or camps in the wild place or open air and uses green laser pointer .
The laser rangefinder has accumulated 30 years of development experience and 20 years of experience in the use, is the most mature technology, a military laser equipment. According to the different requirements of the national military, the various models and the use of laser range finder has been the mass production of a large number of equipment, the countries of the army and become the world arms market, a military photoelectric export apparatus. The scope of application of the laser rangefinder has been edited the size of the national army and arms, mainly used for reconnaissance and fire control. In reconnaissance applications, the laser range finder for artillery forward observer or observed, the infantry scout or reconnaissance teams and special forces to complete the detection target, detect terrain to determine the location and school shooting fire mission.
The laser power from low voltage power supply of high voltage power supply box, whose role is to provide electricity. The laser rangefinder works by pulsed laser firing a single laser pulse or laser burst to the target, counter to measure the laser pulse to reach the target by the target to return to the round-trip time of the receiver, thereby computing the target distance. The course of their work: the first target, and then connected to the laser power supply, start the laser, a laser pulse signal through the launch of the optical system to aim at the target. The same time, the sampler collected the transmitted signal, as a pulse signal of the counter and opens the door to start the counter, IF oscillator would like to counter input IF pulse laser echoes reflected by the target through atmospheric transmission. When he or she works or camps in the wild place or open air and uses green laser pointer .
Monday, December 17, 2012
the green laser beam light of green laser pointer
Therefore, the infrared light band will has very little influence on the green laser beam light of green laser pointer .
The technology uses point measurement method for the measurement of steady flow, with good direction sensitivity, and can carry a three-dimensional measurement. NASA Lewis Research Center has been using the LDV dimensional measurement of the flow field in turbine components. The laser two-focus velocimetry. Oxygen and fuel combustion in the combustion chamber turbulence Games. Relative velocity of the fuel particles and air flow, fuel evaporation, combustion efficiency and combustion pollutants in the formation of an impact. Therefore, while the particle velocity distribution have an important role in the study of the combustion process. On the basis of laser velocimetry, W. D. Bachalo and Mike Houser of success to achieve the measurement of particle velocity. So that the infrared light band has little influence on the green laser beam light of green laser pointer .It will not interfere with a single absorption line, thus affecting the gas content measurement. The laser gas field analyzer is not to absorb the impact of watershed pollutants, dust, or window in the process gas, which is due to the calculation of the gas content is based on a unique single absorption line size and shape, and therefore a more reliable measurement, and reduce the need for maintenance. Because of its small but sturdy mechanical unit, the laser gas field analyzer is very easy to install. Consists of three basic units: transmitting and receiving unit directly assembled to the welded pipe or flue DN50/PN10 or PN16 Flange by itself flange can also be inserted between them with flange valve (recommended ball valve ).
Airborne scanning laser radar. Airborne laser radar referred to as LIDAR aircraft equipped with laser radar, digital cameras and positioning of the attitude determination device, to obtain the image-realistic high-precision digital surface model (DSM) and digital elevation model (DEM), a new mapping equipment. LIDAR system by scanning devices along the route collecting ground of the three-dimensional data by a specific equation solver into the appropriate value of the image, LIDAR data image is generated and the ground elevation model DEM. The system can automatically adjust the navigation width of an exact match it with the aerial width. Different field conditions, the plane accuracy of 0.15 to 1 m, height accuracy can reach 10 cm intervals of 2-12 m. It is to determine the power of green laser pointer timely and quickly.
The technology uses point measurement method for the measurement of steady flow, with good direction sensitivity, and can carry a three-dimensional measurement. NASA Lewis Research Center has been using the LDV dimensional measurement of the flow field in turbine components. The laser two-focus velocimetry. Oxygen and fuel combustion in the combustion chamber turbulence Games. Relative velocity of the fuel particles and air flow, fuel evaporation, combustion efficiency and combustion pollutants in the formation of an impact. Therefore, while the particle velocity distribution have an important role in the study of the combustion process. On the basis of laser velocimetry, W. D. Bachalo and Mike Houser of success to achieve the measurement of particle velocity. So that the infrared light band has little influence on the green laser beam light of green laser pointer .It will not interfere with a single absorption line, thus affecting the gas content measurement. The laser gas field analyzer is not to absorb the impact of watershed pollutants, dust, or window in the process gas, which is due to the calculation of the gas content is based on a unique single absorption line size and shape, and therefore a more reliable measurement, and reduce the need for maintenance. Because of its small but sturdy mechanical unit, the laser gas field analyzer is very easy to install. Consists of three basic units: transmitting and receiving unit directly assembled to the welded pipe or flue DN50/PN10 or PN16 Flange by itself flange can also be inserted between them with flange valve (recommended ball valve ).
Airborne scanning laser radar. Airborne laser radar referred to as LIDAR aircraft equipped with laser radar, digital cameras and positioning of the attitude determination device, to obtain the image-realistic high-precision digital surface model (DSM) and digital elevation model (DEM), a new mapping equipment. LIDAR system by scanning devices along the route collecting ground of the three-dimensional data by a specific equation solver into the appropriate value of the image, LIDAR data image is generated and the ground elevation model DEM. The system can automatically adjust the navigation width of an exact match it with the aerial width. Different field conditions, the plane accuracy of 0.15 to 1 m, height accuracy can reach 10 cm intervals of 2-12 m. It is to determine the power of green laser pointer timely and quickly.
Saturday, December 15, 2012
green laser pointer is for the lecturer to show the key point
green laser pointer is for the lecturer to show the key point
The sensor can be provided outside the analog interface, digital IO interface and Ethernet interface, can be easily packaged integrations and the robot or the plane. In a lot of automated welding applications, the shape of the workpiece or the fixture is very complex, which reduces the torch up. Therefore, the hope that the volume of the sensor as small as possible. Improved with the integration, many of the small size of the sensor, the smallest laser vision sensor, including splash protection device, its size of only 35mm × 34mm × 125mm. With the development of ideas and promotion of lean production, and manufacture of advanced manufacturing, manufacturing companies demand more and more on the function of the device network. Or we can say the production ability of
Digital controller design on the basis of the input voltage, inductance, and other system parameters change, combined with MATLAB for integrated design can change the gain of the controller based on the current system state. Developed experimental prototype, the function is fully achieved. Input voltage range, the control accuracy, rise fall time and other key performance indicators, reaches the level of the analog control power. Failure after 66 hours pager test, testing the reliability of the prototype work. Laser power of its key lies in the choice of the inverter or chopper as the switching power device selection and control of the way. The development of power devices, and promote the development of power electronics technology, also contributed to the upgrading of the laser switching power supply, automatic control theory in the switching power supply. The green green laser pointer has the large market need.
green laser pointer is for the presenter to highlight the essence
This topic comes from Wuhan xx DSP fully digital continuous laser power, xx jointly developed by Huazhong University of Science and Technology. DSP implementation NC krypton lamp powered continuous laser power. The purpose of this project is to study power digital control and the development of a full-featured, high-performance digital power. Especially the modern control theory such as (adaptive control, sliding mode variable structure control, neural network control, etc.) to promote the development of the laser switching power supply to a higher technical indicators. Laser switching power supply key components in the power semiconductor switching devices, and its rapid development to create the conditions for the development of laser switching power supply. Power semiconductor switching device is moving in the direction of the high-voltage large-capacity, integrated, full control of high-frequency and multi-functional development. green laser pointer is more visible especially in the dark night.
The sensor can be provided outside the analog interface, digital IO interface and Ethernet interface, can be easily packaged integrations and the robot or the plane. In a lot of automated welding applications, the shape of the workpiece or the fixture is very complex, which reduces the torch up. Therefore, the hope that the volume of the sensor as small as possible. Improved with the integration, many of the small size of the sensor, the smallest laser vision sensor, including splash protection device, its size of only 35mm × 34mm × 125mm. With the development of ideas and promotion of lean production, and manufacture of advanced manufacturing, manufacturing companies demand more and more on the function of the device network. Or we can say the production ability of
Digital controller design on the basis of the input voltage, inductance, and other system parameters change, combined with MATLAB for integrated design can change the gain of the controller based on the current system state. Developed experimental prototype, the function is fully achieved. Input voltage range, the control accuracy, rise fall time and other key performance indicators, reaches the level of the analog control power. Failure after 66 hours pager test, testing the reliability of the prototype work. Laser power of its key lies in the choice of the inverter or chopper as the switching power device selection and control of the way. The development of power devices, and promote the development of power electronics technology, also contributed to the upgrading of the laser switching power supply, automatic control theory in the switching power supply. The green green laser pointer has the large market need.
green laser pointer is for the presenter to highlight the essence
This topic comes from Wuhan xx DSP fully digital continuous laser power, xx jointly developed by Huazhong University of Science and Technology. DSP implementation NC krypton lamp powered continuous laser power. The purpose of this project is to study power digital control and the development of a full-featured, high-performance digital power. Especially the modern control theory such as (adaptive control, sliding mode variable structure control, neural network control, etc.) to promote the development of the laser switching power supply to a higher technical indicators. Laser switching power supply key components in the power semiconductor switching devices, and its rapid development to create the conditions for the development of laser switching power supply. Power semiconductor switching device is moving in the direction of the high-voltage large-capacity, integrated, full control of high-frequency and multi-functional development. green laser pointer is more visible especially in the dark night.
Friday, December 14, 2012
The ordinary green laser pointer can be used in the party occasion
The ordinary green laser pointer can be used in the party occasion.
Need to choose a different welding speed for different laser power 7 Fc and Fv, and Fm, respectively, redoubling the wall in Figure 2-2 of the melting point, boiling point and critical laser power density laser principle and application of density to reach the requirements of the melting depth. Laser deep penetration welding of laser output power is also closely related to the power and function of the spot diameter. Different materials have a critical power density threshold laser power density exceeds this threshold, in order to form the holes get deep penetration welding. Appropriate to reduce the welding speed can increase the penetration, but the welding speed is too low penetration but does not increase, but to make melt width increases. green laser pointer can be adopted in the concert field and disco.
For a given laser power conditions, the existence of a minimum welding speed to maintain the penetration welding. Figure 2 - 3 laser beam mode laser welding of the beam pattern to determine the energy distribution of the focus focus, have an important impact on the deep penetration. Shown in Figure 2-38, the laser beam for the fundamental mode, you can get the maximum weld depth and aspect ratio, the order of the beam pattern, the higher laser beam energy distribution is more scattered, poor welding quality. With different beam focusing the beam of the characteristic parameters Kf laser welding quality. Shown in Figure 2-4, the larger the beam Kf values, the worse the quality, the weld depth and width than the smaller. green laser pointer can be utilized in camping.
Figure 2-3,2-4 Wang Jian, Liu Yulin of CO_2 laser deep penetration weld influencing factors 8 4 11 Figure 2 - 4 beam Kf value of laser deep penetration depth and width of 2.4 2.4.1 The thermal conductivity of the welding quality of process parameters 9 pulse waveform of the welding quality affect the laser pulse shape in laser welding is an important issue, especially for thin section welding is more important. When high-intensity laser beam shot to the surface, the metal surface will be 60 ~ 98% of the laser energy reflected is lost, and the reflectivity versus surface temperature. In a laser pulse period, the rate of change of the metal reflector. green laser pointer is a good tool in some other locations.
Figure 2 - 5 pulse period, the relative reflectivity of the material over time curve in this section refer to Cheng Long pairs, Feng Wei "laser welding processing parameters" Figure 2-5 for a laser pulse period , the relative reflectivity of the material versus time curve (curve 1 and 2, respectively, for changes in the reflectivity of the copper and steel).
Need to choose a different welding speed for different laser power 7 Fc and Fv, and Fm, respectively, redoubling the wall in Figure 2-2 of the melting point, boiling point and critical laser power density laser principle and application of density to reach the requirements of the melting depth. Laser deep penetration welding of laser output power is also closely related to the power and function of the spot diameter. Different materials have a critical power density threshold laser power density exceeds this threshold, in order to form the holes get deep penetration welding. Appropriate to reduce the welding speed can increase the penetration, but the welding speed is too low penetration but does not increase, but to make melt width increases. green laser pointer can be adopted in the concert field and disco.
For a given laser power conditions, the existence of a minimum welding speed to maintain the penetration welding. Figure 2 - 3 laser beam mode laser welding of the beam pattern to determine the energy distribution of the focus focus, have an important impact on the deep penetration. Shown in Figure 2-38, the laser beam for the fundamental mode, you can get the maximum weld depth and aspect ratio, the order of the beam pattern, the higher laser beam energy distribution is more scattered, poor welding quality. With different beam focusing the beam of the characteristic parameters Kf laser welding quality. Shown in Figure 2-4, the larger the beam Kf values, the worse the quality, the weld depth and width than the smaller. green laser pointer can be utilized in camping.
Figure 2-3,2-4 Wang Jian, Liu Yulin of CO_2 laser deep penetration weld influencing factors 8 4 11 Figure 2 - 4 beam Kf value of laser deep penetration depth and width of 2.4 2.4.1 The thermal conductivity of the welding quality of process parameters 9 pulse waveform of the welding quality affect the laser pulse shape in laser welding is an important issue, especially for thin section welding is more important. When high-intensity laser beam shot to the surface, the metal surface will be 60 ~ 98% of the laser energy reflected is lost, and the reflectivity versus surface temperature. In a laser pulse period, the rate of change of the metal reflector. green laser pointer is a good tool in some other locations.
Figure 2 - 5 pulse period, the relative reflectivity of the material over time curve in this section refer to Cheng Long pairs, Feng Wei "laser welding processing parameters" Figure 2-5 for a laser pulse period , the relative reflectivity of the material versus time curve (curve 1 and 2, respectively, for changes in the reflectivity of the copper and steel).
Wednesday, December 12, 2012
The power of green laser pointer is no less than 30mW
The power of green laser pointer is no less than 30mW.
The experiments show that the laser heating 50 to 200us material begins to melt, the formation of liquid metal and asked the sub-vaporization, the formation of city-pressure steam, and at very high
speed jet, and a dazzling white. At the same time, high concentrations of vapor liquid metal movement to the weld pool edge, the formation of depression in the weld pool center. When negative
defocus, the power density of material internal surface area is also high, easy to form a stronger melting, vaporization, so that the light pass deeper into the material. Therefore, in practical
applications, when the requirements of the penetration depth larger, the use of negative defocus; when welding thin materials, Harbin Institute of Technology is preferable to being 12 defocus.
Austenitic stainless steels, austenitic stainless steel at room temperature. The specific and detailed requirements of green laser pointer are as follows.
It is the preheating time of green laser pointer
Steel containing Cr of about 18%, Ni 8% to 10% of C about 0.1%, with a stable austenite. Austenitic chrome-nickel stainless steel, including the famous 18Cr-8Ni steel and Cr, Ni content increase on
this basis and join Mo, Cu, Si, Nb, Ti and other elements of high Cr-Ni series steel. Non-magnetic austenitic stainless steel with high toughness and ductility, but lower strength, the phase
transition to the strengthening can only be strengthened by cold working, such as by adding the element of S, Ca, Se, Te, has a good cutting. Such steel in addition to the oxidation resistance of
acid corrosive medium, containing Mo, Cu and other elements also resistant to the sulfuric acid, phosphoric acid and formic acid, acetic acid, urea, etc. corrosion. green laser pointer for the star
gazing has very high requirement.More actions of green laser pointer have been taken in the workshop.
Possible conditions for the rules of the weld seam on the back can be used pure copper pad and copper pad with water or protective gas forced cooling, to prevent intergranular corrosion of welded
joints, because the rapid cooling can prevent the formation of chromium depleted layer. Solution heat treatment or stabilization treatment. The heat treatment of austenitic stainless steel solution
treated and stabilizing treatment.
The experiments show that the laser heating 50 to 200us material begins to melt, the formation of liquid metal and asked the sub-vaporization, the formation of city-pressure steam, and at very high
speed jet, and a dazzling white. At the same time, high concentrations of vapor liquid metal movement to the weld pool edge, the formation of depression in the weld pool center. When negative
defocus, the power density of material internal surface area is also high, easy to form a stronger melting, vaporization, so that the light pass deeper into the material. Therefore, in practical
applications, when the requirements of the penetration depth larger, the use of negative defocus; when welding thin materials, Harbin Institute of Technology is preferable to being 12 defocus.
Austenitic stainless steels, austenitic stainless steel at room temperature. The specific and detailed requirements of green laser pointer are as follows.
It is the preheating time of green laser pointer
Steel containing Cr of about 18%, Ni 8% to 10% of C about 0.1%, with a stable austenite. Austenitic chrome-nickel stainless steel, including the famous 18Cr-8Ni steel and Cr, Ni content increase on
this basis and join Mo, Cu, Si, Nb, Ti and other elements of high Cr-Ni series steel. Non-magnetic austenitic stainless steel with high toughness and ductility, but lower strength, the phase
transition to the strengthening can only be strengthened by cold working, such as by adding the element of S, Ca, Se, Te, has a good cutting. Such steel in addition to the oxidation resistance of
acid corrosive medium, containing Mo, Cu and other elements also resistant to the sulfuric acid, phosphoric acid and formic acid, acetic acid, urea, etc. corrosion. green laser pointer for the star
gazing has very high requirement.More actions of green laser pointer have been taken in the workshop.
Possible conditions for the rules of the weld seam on the back can be used pure copper pad and copper pad with water or protective gas forced cooling, to prevent intergranular corrosion of welded
joints, because the rapid cooling can prevent the formation of chromium depleted layer. Solution heat treatment or stabilization treatment. The heat treatment of austenitic stainless steel solution
treated and stabilizing treatment.
Tuesday, December 11, 2012
green laser pointer in the pen shape is good
green laser pointer in the pen shape is good.
Higher than 5pixel continue to repeat the calculation, until less than 5pixel date. At this point the calculation of image. Back to the start screen, click, enter the batch status, the algorithm can choose the right side of the stereo vector field comp. To calculate the three-dimensional flow field, click on the test, processing a single set of images to calculate the result in accordance with the results after adjustment processing step, the elimination of singular points. After successful commissioning and click to start processing, all the pictures on the results of processing. Retreat into the initial interface, photo file name will appear in the project under a new set of files, this is the calculated velocity field. The velocity field to open the file, the editor can be post-processing. It is the applicable scope of green laser pointer.50mWfocusable green laser pointer can burn match
Change vector size, adjust brightness, the output of some file formats and so on. Turn off the laser switch, pre-ignition switch, hand tighten the plate switch, and laser power of the host, turn off the software, turn off the camera, organize the workplace. The chip of the camera is very easy to laser damage, the camera chip is very easy to laser damage experiments, the laser damage, before turning on the laser experiment, two cameras install the filter before turning on the laser for the two cameras install the filters, to avoid the laser to open the image acquisition to avoid the laser to open the image acquisition, the laser launched into the camera in order to damage the chip. Laser launched into the camera in order to damage the chip. No increase must not consider light mirror before opening the laser camera. The power of these green laser pointer exceeds 5mW.
Because the camera in a single single-exposure status, the exposure time is very long, easily burned camera. Laser camera. Because the camera in a single single-exposure status, the exposure time is very long, easily burned camera. Open DaVis software must be turned on before the hardware used in various experiments. The software must be turned on before the hardware used in various experiments, the experiment prohibited unplug to connect cameras and other hardware connection, the case of any problem, reboot the system. Hardware connection, in case of problems, please reboot the system. Watches, necklaces, rings, key high-reflective ornaments must be removed in the experiment to prevent these items reflection, watches, necklaces, rings, key high-reflective accessories must be removed during the experiment. When the high power green laser pointer is adopted.
Higher than 5pixel continue to repeat the calculation, until less than 5pixel date. At this point the calculation of image. Back to the start screen, click, enter the batch status, the algorithm can choose the right side of the stereo vector field comp. To calculate the three-dimensional flow field, click on the test, processing a single set of images to calculate the result in accordance with the results after adjustment processing step, the elimination of singular points. After successful commissioning and click to start processing, all the pictures on the results of processing. Retreat into the initial interface, photo file name will appear in the project under a new set of files, this is the calculated velocity field. The velocity field to open the file, the editor can be post-processing. It is the applicable scope of green laser pointer.50mWfocusable green laser pointer can burn match
Change vector size, adjust brightness, the output of some file formats and so on. Turn off the laser switch, pre-ignition switch, hand tighten the plate switch, and laser power of the host, turn off the software, turn off the camera, organize the workplace. The chip of the camera is very easy to laser damage, the camera chip is very easy to laser damage experiments, the laser damage, before turning on the laser experiment, two cameras install the filter before turning on the laser for the two cameras install the filters, to avoid the laser to open the image acquisition to avoid the laser to open the image acquisition, the laser launched into the camera in order to damage the chip. Laser launched into the camera in order to damage the chip. No increase must not consider light mirror before opening the laser camera. The power of these green laser pointer exceeds 5mW.
Because the camera in a single single-exposure status, the exposure time is very long, easily burned camera. Laser camera. Because the camera in a single single-exposure status, the exposure time is very long, easily burned camera. Open DaVis software must be turned on before the hardware used in various experiments. The software must be turned on before the hardware used in various experiments, the experiment prohibited unplug to connect cameras and other hardware connection, the case of any problem, reboot the system. Hardware connection, in case of problems, please reboot the system. Watches, necklaces, rings, key high-reflective ornaments must be removed in the experiment to prevent these items reflection, watches, necklaces, rings, key high-reflective accessories must be removed during the experiment. When the high power green laser pointer is adopted.
Monday, December 10, 2012
It is due to abundant working experience of producing green laser pointer
It is due to abundant working experience of producing green laser pointer
The laser is a high intensity light radiation devices, high-power lasers can be used for cutting and welding of metallic materials, so the laser on the human body, especially the human eye, serious
injury, be extremely careful when using. International uniform classification and unification of safety warning signs on the laser, the laser is divided into four categories (Classl ~ Class4), a
class of laser is safe, the two types of lasers on human lighter injuries, the three categories above lasers have a serious injury, when used, should pay particular attention to avoid direct human
eye. The basic principles of laser ranging technology. The laser rangefinder is the use of monochrome and coherence of the laser, strong direction stare, to achieve high-precision metrology and
testing, such as measuring length, distance, speed, angle, and so on. green laser pointer is to remotely control and play the PPT document and so on.
Therefore, the energy conversion efficiency, low repetition rate has been difficult to overcome. Semiconductor laser ranging system based on semiconductor lasers as light sources, semiconductor
lasers based on electricity directly injected in the form of work, has the advantages of high optical conversion efficiency and high repetition rate is currently subject to the attention of
domestic and international research institutions, and launched a in-depth study. However, the semiconductor laser rangefinder there are still some deficiencies, low energy output and systematic
errors to some extent, limit the application of laser ranging. Therefore, how to improve performance is the pressing problem of the semiconductor laser ranging system to solve the problem, there
are two means, first, to improve the laser output power, the second is to improve the performance of the receiving system. It is the standardized use of green laser pointer .
Receive the wave does not only contain the output of the 635nm wavelength red light, it also contains other miscellaneous light, so further analysis of the receiving lens chromatic aberration, and
to ensure that the 635nm output wave normal reception. Use requirements of the receiving lens is not high, so the receiving system for further filtering and error analysis. Experiment the
production of Germany ACAM TDC-GP2 chip, multiple measurements on the system average, and then through the single-chip computing average output, thereby reducing the error results. TDC-GP2-chip,
single-measurement accuracy of 65ps, a short distance after multiple measurements averaged, can make the measurement accuracy of the time an order of magnitude. green laser pointer can irradiate to
a long distance.
The laser is a high intensity light radiation devices, high-power lasers can be used for cutting and welding of metallic materials, so the laser on the human body, especially the human eye, serious
injury, be extremely careful when using. International uniform classification and unification of safety warning signs on the laser, the laser is divided into four categories (Classl ~ Class4), a
class of laser is safe, the two types of lasers on human lighter injuries, the three categories above lasers have a serious injury, when used, should pay particular attention to avoid direct human
eye. The basic principles of laser ranging technology. The laser rangefinder is the use of monochrome and coherence of the laser, strong direction stare, to achieve high-precision metrology and
testing, such as measuring length, distance, speed, angle, and so on. green laser pointer is to remotely control and play the PPT document and so on.
Therefore, the energy conversion efficiency, low repetition rate has been difficult to overcome. Semiconductor laser ranging system based on semiconductor lasers as light sources, semiconductor
lasers based on electricity directly injected in the form of work, has the advantages of high optical conversion efficiency and high repetition rate is currently subject to the attention of
domestic and international research institutions, and launched a in-depth study. However, the semiconductor laser rangefinder there are still some deficiencies, low energy output and systematic
errors to some extent, limit the application of laser ranging. Therefore, how to improve performance is the pressing problem of the semiconductor laser ranging system to solve the problem, there
are two means, first, to improve the laser output power, the second is to improve the performance of the receiving system. It is the standardized use of green laser pointer .
Receive the wave does not only contain the output of the 635nm wavelength red light, it also contains other miscellaneous light, so further analysis of the receiving lens chromatic aberration, and
to ensure that the 635nm output wave normal reception. Use requirements of the receiving lens is not high, so the receiving system for further filtering and error analysis. Experiment the
production of Germany ACAM TDC-GP2 chip, multiple measurements on the system average, and then through the single-chip computing average output, thereby reducing the error results. TDC-GP2-chip,
single-measurement accuracy of 65ps, a short distance after multiple measurements averaged, can make the measurement accuracy of the time an order of magnitude. green laser pointer can irradiate to
a long distance.
Sunday, December 9, 2012
The hot-sell green laser pointer is most welcomed
Company announcements, websites, HGLaser Securities Research Institute of Great Britain is currently manufactured products include high power laser equipment, laser micro-precision manufacturing equipment, manufacturing of small and medium-power laser devices, laser and precision plasma cutting machine, laser covering the entire industry chain, which high-power lasers, laser micro-precision manufacturing company with more industry-leading level; laborers with leading domestic and international images of laser holographic anti-counterfeiting technology and integrated encryption technology. Lasers, including gas lasers (CO2-laser-based, etc.), solid-state laser (most common are the ruby laser, neodymium glass laser, neodymium-doped yttrium aluminum garnet laser, etc.), and fiber lasers. The hot-sell green laser pointer is most welcomed.laser pointer is highly recommended as the gift to be sent to the best business cooperation partner.When the positively charged toner with voltages up to 500 ~ 1000V, electrostatic attraction will be the paper close to the light guide panel, go to the paper near the electrode placed in the back of the paper, put positively charged, with the drum negatively charged toner is attracted to the paper surface. This transfer with paper insulation degree, when the paper and damp weather, the toner leakage of the surface of the paper can not be completely and tightly adsorbed on it, which led to poor print quality. Transfer method, a corona discharge transfer (wire electrode), and another way for the discharge Cots transfer. Toner melting temperature of about 0 ° C, the temperature of the heat roller and paper by the speed, generally between 150 ~ 180 ℃. Drum to remove residual charge after the cleaning of residual powder and light to enter the next round of circulation. Laser printers using the composite hot-pressing method, fixing components to complete the fixing.
The coercive force Hc is low, in order to reduce the drive current; short switching time ts, which requires high-speed magnetization reversal, to improve the speed of information access; high stability of the magnetic parameters on the various environmental factors. Moment magnetic material has a large number of applications of Mg-Mn ferrite at room temperature and wide temperature range of Li-Mn ferrite (for spinel ferrite), and Ni-Fe alloy thin films. They have the advantages of non-volatile and anti-irradiation. The bubble material is a certain external magnetic field with magnetic bubble domain structure of magnetic thin film materials (2). When the magnetic field increased to a certain extent, the magnetic domains in magnetic crystals shrunk to cylindrical, the opposite magnetization direction of the magnetic field, like a group of floating in the membrane surface of the small blisters (called a bubble).
The coercive force Hc is low, in order to reduce the drive current; short switching time ts, which requires high-speed magnetization reversal, to improve the speed of information access; high stability of the magnetic parameters on the various environmental factors. Moment magnetic material has a large number of applications of Mg-Mn ferrite at room temperature and wide temperature range of Li-Mn ferrite (for spinel ferrite), and Ni-Fe alloy thin films. They have the advantages of non-volatile and anti-irradiation. The bubble material is a certain external magnetic field with magnetic bubble domain structure of magnetic thin film materials (2). When the magnetic field increased to a certain extent, the magnetic domains in magnetic crystals shrunk to cylindrical, the opposite magnetization direction of the magnetic field, like a group of floating in the membrane surface of the small blisters (called a bubble).
Friday, December 7, 2012
The new building of storing green laser pointer
Total funds raised of $ 616,900,000, net of issuance costs, the company raised net funds of $ 575,900,000, exceeding the original plan to raise 388,600,000 yuan. The new building of storing green laser pointer will be built next year.Create new industries and profit growth of high-end equipment industry and laser industry, after years of independent research and development company, resource integration and market development, technological innovation and rapid industry growth. As of November 2010, in the high-end equipment and lasers, and other emerging industries to gain market contracts in excess of 100 million. High-end products are clean and equipped with robots, vacuum robots, and has been in the photovoltaic manufacturing equipment, semiconductor manufacturing equipment and other fields has been applied, the market is huge; Currently, laser-related products in the automotive, marine, locomotive, petrochemical, metallurgy, aerospace and other fields has been widely used, and this year in the amount of the contract have been achieved over 200% growth. Since the first ruby laser came, solid-state lasers has been the development occupy the dominant position of the laser, especially in the 1980s and the emergence of semiconductor lasers appear on this basis, a more all-solid-solid-state lasers because of small size, light weight, high efficiency, stable performance, good reliability and long life, etc., optoelectronic industry has become the most promising areas.
Conference for domestic experts, scholars and policy makers to build a laser display and exchange the latest manufacturing technology, talked about the exchange of good practices and industry management experience in a broad platform for the industry, and manufacturing technology for the laser application in the northwest region of the foundation. 2011, the country west of laser technology and manufacturing industry forum. K with the solidification rate of change fast enough, the interface shock instability may occur. In some states can play a stabilizing role of the interface, while in other states can interface instability. High-speed interface, the interfacial tension due to short-wavelength interference to make the interface stable. In the rapid solidification process, the composition is no longer applicable to determine the cooling theory. including: vacuum robot control technology, drive technology, precision servo control and other common key technologies; laser packaging technology, optical fiber coupling technology, laser processing technology, laser display technology.
Conference for domestic experts, scholars and policy makers to build a laser display and exchange the latest manufacturing technology, talked about the exchange of good practices and industry management experience in a broad platform for the industry, and manufacturing technology for the laser application in the northwest region of the foundation. 2011, the country west of laser technology and manufacturing industry forum. K with the solidification rate of change fast enough, the interface shock instability may occur. In some states can play a stabilizing role of the interface, while in other states can interface instability. High-speed interface, the interfacial tension due to short-wavelength interference to make the interface stable. In the rapid solidification process, the composition is no longer applicable to determine the cooling theory. including: vacuum robot control technology, drive technology, precision servo control and other common key technologies; laser packaging technology, optical fiber coupling technology, laser processing technology, laser display technology.
Thursday, December 6, 2012
The multi-laser laser pointer will be relatively expensive
The multi-laser laser pointer will be relatively expensive.
On the other hand, found that silicon nanocrystals can equally luminous. The preparation technology of silicon nanocrystals, in which ion implantation, sputtering and plasma enhanced chemical vapor deposition (PECVD) method compatible with IC process. After annealing, the silicon nanocrystals distributed in SiOx matrix. Therefore, from the practical point of view, most studies have concentrated silicon nanocrystals up. Luminescence of silicon nanocrystals compared to II-VI group is a direct band gap semiconductor nanocrystals luminescence are much more motivated. Nanocrystals colloid can with liquid chemical reaction, so the production cost is low. Such nanomaterials is possible to produce large-area display, or medical diagnosis of biological probes.
In addition, Beijing in China the first to complete the development of the neodymium nitrogen rare earth magnetic materials, developed a new process for mass production of neodymium nitrogen with independent property rights, bypassing the barriers to foreign patented technology, made in China has completely independent of technology ownership results achieved a historic breakthrough of the new rare-earth magnetic materials. I would like to introduce the next phase of Beijing electronic information materials science and technology work in the field of vision. "15", the Beijing Science and Technology Commission, through active efforts to carry out some obvious results achieved in the field of new materials, especially the impressive is the information industry-related materials in the field.
Next stage will be under the guidance of the whole idea of scientific and technological work, conscientiously implement the "demand-oriented, theme cited problem, convergence of resources, field support, model-driven 20-word work policy, in-depth implementation of the" eight thematic programs of work around needs and the needs of the national strategy of development of key industries, the capital city construction and urban management needs through the implementation of a number of technical research projects and to create a favorable environment for innovation, integration, and their scientific and technological advantages, and improve the capacity of independent innovation in the field of new materials. new materials technology to better serve the capital's economic and social development, and efforts to promote the field of new materials into the social development of competitive advantage. laser pointer is the best choice for you to select as the business gift.
On the other hand, found that silicon nanocrystals can equally luminous. The preparation technology of silicon nanocrystals, in which ion implantation, sputtering and plasma enhanced chemical vapor deposition (PECVD) method compatible with IC process. After annealing, the silicon nanocrystals distributed in SiOx matrix. Therefore, from the practical point of view, most studies have concentrated silicon nanocrystals up. Luminescence of silicon nanocrystals compared to II-VI group is a direct band gap semiconductor nanocrystals luminescence are much more motivated. Nanocrystals colloid can with liquid chemical reaction, so the production cost is low. Such nanomaterials is possible to produce large-area display, or medical diagnosis of biological probes.
In addition, Beijing in China the first to complete the development of the neodymium nitrogen rare earth magnetic materials, developed a new process for mass production of neodymium nitrogen with independent property rights, bypassing the barriers to foreign patented technology, made in China has completely independent of technology ownership results achieved a historic breakthrough of the new rare-earth magnetic materials. I would like to introduce the next phase of Beijing electronic information materials science and technology work in the field of vision. "15", the Beijing Science and Technology Commission, through active efforts to carry out some obvious results achieved in the field of new materials, especially the impressive is the information industry-related materials in the field.
Next stage will be under the guidance of the whole idea of scientific and technological work, conscientiously implement the "demand-oriented, theme cited problem, convergence of resources, field support, model-driven 20-word work policy, in-depth implementation of the" eight thematic programs of work around needs and the needs of the national strategy of development of key industries, the capital city construction and urban management needs through the implementation of a number of technical research projects and to create a favorable environment for innovation, integration, and their scientific and technological advantages, and improve the capacity of independent innovation in the field of new materials. new materials technology to better serve the capital's economic and social development, and efforts to promote the field of new materials into the social development of competitive advantage. laser pointer is the best choice for you to select as the business gift.
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