Successful practices such as: a profiling milling most cutting the amount of complete (heavy cutting) left in the 2-3mm allowance, the remaining amount of cutting done quickly in a high-speed machine tools, to do so has many advantages: weight cutting machine tools, processing fees low. Processing volume, accuracy is not easily reach. Tool cheap. Transferred to high-speed cutting, forming, because the processing object is close to the first knife cutting is very uniform. Forming fast and accurate. Free too polished, with the precise size. Although the tool is expensive, but time is short, cutting the amount of good performance and low cost rate. A lot of nuances. Therefore, the manufacturer will focus on the continuous wave output of green laser pointer during the production of the laser pointer.
Such as small angle conductance, detailed processing in one step instead of spark to help fast and excellent surface finish (mirror effect). It seems that the coordination of equipment this is the way to win, because it is the remaining amount of 2-3 mm in the work of stage XY two calibration G54 tailgate to complete the workpiece clamping, and for cutting small amount of the workpiece directly in high-speed machine tools. Another issue to be discussed is the issue of the spindle. Because they require low speed twisting, so be sure to spindle gearbox reduction ratio to improve the speed of the torque accuracy is inevitable, so is unlikely to use a small radius tool for CNC milling and machining centers. The continuous wave output of laser pointer should be taken good care during production.
For engraving and milling machine, spindle work around 20,000-30,000 RPM before work, turning precision generally 2 μ, or the cutting knife phenomenon all very serious, so be sure to electric spindle motor and spindle are one. For high-speed cutting equipment is concerned, the requirements of the Built-in electric spindle with torque have oil and water coolers to maintain spindle temperature constant, but also in the low speed spindle power to more than 7.5-8KW, speed over 25000RPM . New developments in laser treatment of children with skin hemangioma. Laser Medicine is one of today's rapidly developing field of medicine, there has been a variety of laser treatment of vascular tumor, its effect is significant, side effects, has become a commonly used method for the treatment of some children's skin hemangioma. The performance of the continuous wave output of green laser is good enough.
Laser and light are very different from, it is the substance by stimulated emission of radiation luminescence and the bundle of light. The high brightness of laser energy density, is the brightest source in the world today. Strong laser brightness up to sunlight brightness of 10 million billion times. When this light energy into heat energy, you can instantly produce a few thousand to tens of thousands of degrees of heat. The laser is a bundle of approximately parallel light, and it fired only in one direction, a very small divergence angle, long range, can form a very small point of light focused by a lens. Laser high brightness, monochromatic, directional and coherent laser energy in time and space, the spectrum is highly concentrated. So that the good and continuous use and operation of green laser led can be ensured.
These characteristics of the laser allows the laser beam to high energy can be focused to a small spot, ideal for precision cutting and gasification operations. Intense laser irradiation of biological tissue, can instantly generate hundreds or even thousands of high temperature, protein denaturation and coagulation of the thermal effects of the biological organization, even to the carbonization or gasification [1]. Can be divided into two parts by mechanical action produced by the laser irradiation, the pressure generated by laser radiation pressure on biological tissue, ie, pressure, known as time pressure, because the laser energy density, which will have a huge radiation pressure, laser generate pressure up to 104 ~ 105 Pa; caused by thermal expansion and phase transitions, as well as ultrasound, shock wave, electrostriction and other biological tissue absorption of strong laser-induced pressure, called secondary pressure. green laser pointer has attracted many customers in the domestic and oversea market.
Wednesday, May 16, 2012
When green laser pointer is used as wireless mouse
From the table shows that the plasma cloud size and the protective gas changes, the minimum helium, nitrogen, followed by argon. Plasma sizes, and the penetration depth is more shallow. The reason for this difference is first of all because of the different degree of ionization of the gas molecules, the other protective gas density caused by the metal vapor diffusion difference. Helium ionization minimum, the minimum density, it can quickly get rid of the metal vapor rising from the metal bath. With helium as the shielding gas, the maximum degree of inhibition of plasma, thereby increasing the penetration depth and welding speed; light can escape, it is difficult to cause stomata. Of course, from the effects of actual welding, argon protective effect is pretty good. The former technology of green laser pointer with remote control is slower.
The plasma cloud penetration effects are most obvious at low welding speed zone. When the welding speed increases, its impact will be reduced. The shielding gas to reach the surface through the nozzle exit pressure injection, hydrodynamic shape and diameter of the exports of the nozzle size is very important. It must be large enough to drive the spray of the protective gas covered surface, but in order to effectively protect the lens to prevent the metal vapor contamination or metal splash damage to the lens, nozzle size should be limited. The flow must also be controlled, otherwise laminar flow becomes turbulent protective gas atmosphere involved in the bath, and ultimately the formation of pores. In order to improve the protective effect, but also with additional lateral blowing. Various functions of laser pointer with remote control will be introduced.
Shielding gas through a smaller diameter of the nozzle at an angle directly into the hole deep penetration welding. The shielding gas is not only inhibited the surface of the plasma cloud, and to exert influence on the formation of the hole plasma and holes, deep penetration further increase, deep wide comparison of the ideal weld. However, this method requires precise control of gas flow size, direction, otherwise easily lead to turbulence and destruction of the molten pool, leading to the welding process is not stable. Lens focal length. Welding usually focus the convergence of the laser is generally used in the 63 ~ 254mm (2.5 "~ 10") focal length lens. The focused spot size and focal length is proportional to, the shorter the focal length, the smaller the spot. Users will completely free from staying at the side of the computers by using green laser with remote control.
Focal length length also affects the depth of focus, depth of focus with the focal length increased simultaneously, so a short focal length can increase the power density, but the depth of focus small, must be accurate to maintain the spacing of the lens and the workpiece, and the penetration depth is not large. Spatter and laser mode by the welding process, the actual welding using the shortest focal deep multi-focal length of 126mm (5 ") when larger joints or by increasing the spot size to increase the weld can be Select 254mm (10 ") focal length lens, in this case, in order to achieve the deep penetration in pinhole effect, require a higher laser output power (power density). When the laser power exceeding 2kW, especially 10.6μm CO2 laser beam, due to the use of special optical materials constitute the optical system. green laser led with remote control is helpful to speeches.
In order to avoid focusing lens has been the risk of optical damage, often selected reflection focusing method, commonly used for mirror polished bronze mirrors. Due to effective cooling, it is often recommended for high-power laser beam is focused. Focus position. Welding, in order to maintain sufficient power density, the focus position is essential. The focus of the relative position of the surface changes directly affect the weld width and depth. Figure 2-6 shows the focus position on the 1018 steel penetration and slit width effects. In most laser welding applications, usually the location of the focus is set below the surface about the required penetration depth 1/4. The location of the laser beam. Different materials, laser welding, laser beam position control the final quality of the weld. The used can simply press the related buttons on green laser pointer .
The plasma cloud penetration effects are most obvious at low welding speed zone. When the welding speed increases, its impact will be reduced. The shielding gas to reach the surface through the nozzle exit pressure injection, hydrodynamic shape and diameter of the exports of the nozzle size is very important. It must be large enough to drive the spray of the protective gas covered surface, but in order to effectively protect the lens to prevent the metal vapor contamination or metal splash damage to the lens, nozzle size should be limited. The flow must also be controlled, otherwise laminar flow becomes turbulent protective gas atmosphere involved in the bath, and ultimately the formation of pores. In order to improve the protective effect, but also with additional lateral blowing. Various functions of laser pointer with remote control will be introduced.
Shielding gas through a smaller diameter of the nozzle at an angle directly into the hole deep penetration welding. The shielding gas is not only inhibited the surface of the plasma cloud, and to exert influence on the formation of the hole plasma and holes, deep penetration further increase, deep wide comparison of the ideal weld. However, this method requires precise control of gas flow size, direction, otherwise easily lead to turbulence and destruction of the molten pool, leading to the welding process is not stable. Lens focal length. Welding usually focus the convergence of the laser is generally used in the 63 ~ 254mm (2.5 "~ 10") focal length lens. The focused spot size and focal length is proportional to, the shorter the focal length, the smaller the spot. Users will completely free from staying at the side of the computers by using green laser with remote control.
Focal length length also affects the depth of focus, depth of focus with the focal length increased simultaneously, so a short focal length can increase the power density, but the depth of focus small, must be accurate to maintain the spacing of the lens and the workpiece, and the penetration depth is not large. Spatter and laser mode by the welding process, the actual welding using the shortest focal deep multi-focal length of 126mm (5 ") when larger joints or by increasing the spot size to increase the weld can be Select 254mm (10 ") focal length lens, in this case, in order to achieve the deep penetration in pinhole effect, require a higher laser output power (power density). When the laser power exceeding 2kW, especially 10.6μm CO2 laser beam, due to the use of special optical materials constitute the optical system. green laser led with remote control is helpful to speeches.
In order to avoid focusing lens has been the risk of optical damage, often selected reflection focusing method, commonly used for mirror polished bronze mirrors. Due to effective cooling, it is often recommended for high-power laser beam is focused. Focus position. Welding, in order to maintain sufficient power density, the focus position is essential. The focus of the relative position of the surface changes directly affect the weld width and depth. Figure 2-6 shows the focus position on the 1018 steel penetration and slit width effects. In most laser welding applications, usually the location of the focus is set below the surface about the required penetration depth 1/4. The location of the laser beam. Different materials, laser welding, laser beam position control the final quality of the weld. The used can simply press the related buttons on green laser pointer .
Green laser pointer of this series can also be set with memory function
Of Nd: Y AG (1 064 nm) laser treatment wine stains is safe and effective in the treatment of hemangioma is best not to use large energy, so as to avoid the body caused by injury [32]. The Angiero [33] (800 ~ 940 nm) diode laser combined with photocoagulation technology, treatment of 136 cases of hemangioma patients, including 134 patients with complete remission, two cases of invalid, no adverse reactions in clinical follow-up. IPL can improve wrinkles, improve texture, irregular color Shen and telangiectasia, including all light aging [34]. For small diameter and shallow vascular lesions with a shorter wavelength (570 am filter) and a smaller pulse width treatment. They should increase the life time of the chip of green laser pointer .
For diameters larger and deeper vascular lesions take a long wavelength (590 nm filter) and a larger pulse width [35]. 755 nm laser treatment of vascular disease mechanism is that the laser can be oxygenated hemoglobin in the blood of selective absorption produces heat so that the vascular coagulation or destruction [36]. Gu Ying [37] reported PDT selective treatment of PWS basic research and clinical results show that the highly selective destructive effect of PDT on superficial dermal capillary network, the high clinical efficacy and side effects. Because the majority of vascular skin diseases in the face, make the patient have a serious psychological trauma, the patient treatment is very high. The long life time of green laser pointer can ensure the good and long time use and operation of the laser pointer for the customer.
Requires not only the elimination of lesions, also requires to achieve cosmetic results (no scarring), namely the treatment of normal skin color and texture [38]. Therefore reduce the side effects of intraoperative and postoperative problems faced by clinicians. Cynergy vascular lesions workstation is equipped with advanced Multi p the lex (the order of the multi-wavelength emission) technology, to launch two different wavelengths specified sequence in the same system of laser (a high-intensity pulsed dye laser, the other is the wavelength of 1 064 nm Nd: YAG laser). 595 nm dye laser and 064 nm pulsed laser in the treatment of vascular disease has made great progress, but still found due to the laser can be excessive or laser wavelength is too short to scar production or penetration depth is difficult enough to achieve the desired effect. Therefore, the long life time of laser pointer should be ensured at first.
Dual-wavelength laser pulse dye laser oxy hemoglobin transformed into hemin makes the target tissue on the Nd: YAG laser absorption rate increased by 3 to 5 times, 1 064-nm laser can reach the low energy density efficacy, thereby reducing the occurrence of side effects, increase security, reduce scar production, improve the efficacy [39]. Multi-wavelength transmission technology combination of PDL and Nd: YAG laser treatment, compared with the treatment of a single wavelength, can achieve better results. In contrast, the PDL, the long-pulsed 064 nm Nd: YAG laser and KTP adjustable pulse width 532 nm wavelength treatment usually takes 2 to 3 treatments, in order to achieve similar efficacy and low side effect rate [40]. When the factory manufactures green laser .
Make sure the location of the nanoparticles and then the laser irradiation. Researchers at the University of Wake welfare Waters has made new progress in the use of laser treatment of tumors. They used magnetic resonance imaging device successfully identified the location of carbon nanotubes into the tumor tissue after laser irradiation and heating them, thereby undermining the tumor tissue. Laser heating and destruction of tumor tissue is not a new technology, laser induced thermal therapy (LITT) has been used. Laser induced thermal therapy, however there is a problem, nanoparticles able to absorb the laser energy is injected into the patient's body, people can not track their footprint, it is difficult to know exactly whether nanoparticles into the tumor tissue. It is the 3000 hour life time of laser module of green laser led .
For diameters larger and deeper vascular lesions take a long wavelength (590 nm filter) and a larger pulse width [35]. 755 nm laser treatment of vascular disease mechanism is that the laser can be oxygenated hemoglobin in the blood of selective absorption produces heat so that the vascular coagulation or destruction [36]. Gu Ying [37] reported PDT selective treatment of PWS basic research and clinical results show that the highly selective destructive effect of PDT on superficial dermal capillary network, the high clinical efficacy and side effects. Because the majority of vascular skin diseases in the face, make the patient have a serious psychological trauma, the patient treatment is very high. The long life time of green laser pointer can ensure the good and long time use and operation of the laser pointer for the customer.
Requires not only the elimination of lesions, also requires to achieve cosmetic results (no scarring), namely the treatment of normal skin color and texture [38]. Therefore reduce the side effects of intraoperative and postoperative problems faced by clinicians. Cynergy vascular lesions workstation is equipped with advanced Multi p the lex (the order of the multi-wavelength emission) technology, to launch two different wavelengths specified sequence in the same system of laser (a high-intensity pulsed dye laser, the other is the wavelength of 1 064 nm Nd: YAG laser). 595 nm dye laser and 064 nm pulsed laser in the treatment of vascular disease has made great progress, but still found due to the laser can be excessive or laser wavelength is too short to scar production or penetration depth is difficult enough to achieve the desired effect. Therefore, the long life time of laser pointer should be ensured at first.
Dual-wavelength laser pulse dye laser oxy hemoglobin transformed into hemin makes the target tissue on the Nd: YAG laser absorption rate increased by 3 to 5 times, 1 064-nm laser can reach the low energy density efficacy, thereby reducing the occurrence of side effects, increase security, reduce scar production, improve the efficacy [39]. Multi-wavelength transmission technology combination of PDL and Nd: YAG laser treatment, compared with the treatment of a single wavelength, can achieve better results. In contrast, the PDL, the long-pulsed 064 nm Nd: YAG laser and KTP adjustable pulse width 532 nm wavelength treatment usually takes 2 to 3 treatments, in order to achieve similar efficacy and low side effect rate [40]. When the factory manufactures green laser .
Make sure the location of the nanoparticles and then the laser irradiation. Researchers at the University of Wake welfare Waters has made new progress in the use of laser treatment of tumors. They used magnetic resonance imaging device successfully identified the location of carbon nanotubes into the tumor tissue after laser irradiation and heating them, thereby undermining the tumor tissue. Laser heating and destruction of tumor tissue is not a new technology, laser induced thermal therapy (LITT) has been used. Laser induced thermal therapy, however there is a problem, nanoparticles able to absorb the laser energy is injected into the patient's body, people can not track their footprint, it is difficult to know exactly whether nanoparticles into the tumor tissue. It is the 3000 hour life time of laser module of green laser led .
The laser range of this kind of green laser pointer can reach up to 2miles
Later, the American physicist Charles Townes and the Soviet physicist of Masuo Fu, and the general Huoluo Fu has proposed the use of atoms and molecules stimulated radiation principle for generation and amplification of microwave design. 1954, mentioned earlier, American physicists Townes finally made the first ammonia molecular beam maser (Figure 1.1), successfully pioneered the use of molecular and atomic systems the coherent amplifier or oscillator as a microwave radiation precedent. Townes, who developed the maser produced only 1.25 cm wavelength of the microwave power is very small. Production and continuous development of the need to promote science to explore new fluorescence mechanism, to produce new high performance light source. green laser pointer can meet various needs and requirements of different customer.
In 1958, Townes and sister of the maser with the optical, spectral theory of knowledge combine, to put forward the key recommendations of the open resonator, and to prevent the laser coherence, directivity, linewidth and noise properties. During the same period, Basov and general Huoluo Fu, who also made the realization of the principle scheme of the optical amplification by stimulated emission of radiation. Figure 1.1 Ammonia molecular beam maser schematic diagram of a system structure b coke poly device cross-section July 8, 1960, U.S. scientists Maiman invented the ruby laser, from the people can access to nature and similar to the electromagnetic frequency-stable light source. This laser light and ordinary light is not the same, it is subject to the material atomic structure of the directional nature of light, stable frequency, approximately 100 terahertz. And at the same time, different laser pointer of multiple and different functions can be adopted by different clients.
The frequency of this light than has been widely used in microwave (frequency about 10 MHz) high frequency of 10,000 times. Figure 1.2 ruby laser in December 1960, the Iranian-born American scientist Jia rate people finally succeeded in creating and running the world's first gas laser - He-Ne laser. In 1962, three groups of scientists almost simultaneously invented the semiconductor laser. In 1966, scientists have developed has become an organic dye laser wavelength can be continuously adjustable over the range. In addition, the output energy, high power, and not dependent on the grid of chemical lasers have come out. Lasers have all the prominent feature of which was soon applied to all aspects of industry, agriculture, precision measurement and detection, communications and information processing, medical, military, and caused a revolutionary breakthrough in many areas. green laser can suit various locations for the customer.
For example, people use laser focus on high energy, processing of various materials, can do to drill 200 holes in a needle; laser as a living organism, cause irritation, mutation, burning, vaporization effects means, in the practical application of medical, agricultural and achieved good results; in the communications field, a laser column transmission signal of the light guide cable can carry the equivalent of 20 000 telephone copper wires to carry the amount of information; laser in the military In addition to communications, night vision, warning, ranging on, a variety of laser weapons and laser-guided weapons has also been put into practical use. With further research and development of human laser technology, laser performance will further enhance the cost will be further reduced. The customer can use the green laser led in different locations.
But the scope of its applications will continue to expand, and will play a huge role. Optical frequency conversion technology research significance of nonlinear optical (NLO) laser frequency conversion technology is based on the substance of the nonlinear optical effect in the laser field. Material polarization in the optical field, when the light intensity is large dielectric polarization of the light wave electric field Qu relationship also includes the square of the light wave electric field, in addition to containing the original linear, cubic and even several times square related to the nonlinear term. It is these non-linear polarization produced a series of extremely rich variety of nonlinear optical effect. For example, the customer can select green laser pointer with the star laser head.
In 1958, Townes and sister of the maser with the optical, spectral theory of knowledge combine, to put forward the key recommendations of the open resonator, and to prevent the laser coherence, directivity, linewidth and noise properties. During the same period, Basov and general Huoluo Fu, who also made the realization of the principle scheme of the optical amplification by stimulated emission of radiation. Figure 1.1 Ammonia molecular beam maser schematic diagram of a system structure b coke poly device cross-section July 8, 1960, U.S. scientists Maiman invented the ruby laser, from the people can access to nature and similar to the electromagnetic frequency-stable light source. This laser light and ordinary light is not the same, it is subject to the material atomic structure of the directional nature of light, stable frequency, approximately 100 terahertz. And at the same time, different laser pointer of multiple and different functions can be adopted by different clients.
The frequency of this light than has been widely used in microwave (frequency about 10 MHz) high frequency of 10,000 times. Figure 1.2 ruby laser in December 1960, the Iranian-born American scientist Jia rate people finally succeeded in creating and running the world's first gas laser - He-Ne laser. In 1962, three groups of scientists almost simultaneously invented the semiconductor laser. In 1966, scientists have developed has become an organic dye laser wavelength can be continuously adjustable over the range. In addition, the output energy, high power, and not dependent on the grid of chemical lasers have come out. Lasers have all the prominent feature of which was soon applied to all aspects of industry, agriculture, precision measurement and detection, communications and information processing, medical, military, and caused a revolutionary breakthrough in many areas. green laser can suit various locations for the customer.
For example, people use laser focus on high energy, processing of various materials, can do to drill 200 holes in a needle; laser as a living organism, cause irritation, mutation, burning, vaporization effects means, in the practical application of medical, agricultural and achieved good results; in the communications field, a laser column transmission signal of the light guide cable can carry the equivalent of 20 000 telephone copper wires to carry the amount of information; laser in the military In addition to communications, night vision, warning, ranging on, a variety of laser weapons and laser-guided weapons has also been put into practical use. With further research and development of human laser technology, laser performance will further enhance the cost will be further reduced. The customer can use the green laser led in different locations.
But the scope of its applications will continue to expand, and will play a huge role. Optical frequency conversion technology research significance of nonlinear optical (NLO) laser frequency conversion technology is based on the substance of the nonlinear optical effect in the laser field. Material polarization in the optical field, when the light intensity is large dielectric polarization of the light wave electric field Qu relationship also includes the square of the light wave electric field, in addition to containing the original linear, cubic and even several times square related to the nonlinear term. It is these non-linear polarization produced a series of extremely rich variety of nonlinear optical effect. For example, the customer can select green laser pointer with the star laser head.
Green laser pointer has the practical functions
The laser solder surface metal accumulation of solder joint centers showed varying degrees of staying, which is mainly due to the metal is too late to backfill. When the laser power reaches a certain value, the liquid metal in the bath sharply evaporation form a key hole, and produce a recoil, the liquid metal to the edge of the molten pool, accumulation in the solder joints around. When the laser stops working, the metal is no longer the evaporation recoil disappear, accumulation of the metal to fill key holes under the action of gravity, weight, cooling and solidification of liquid metal. If the metal solidification in the case of not completely backfill the keyhole staying surface in the mold and Prospects Introduction The Association of International Mold experts that will be formed in the solder joint surface. This type of green laser pointer has the function of remote control.
The mold is the emperor of the metal processing industry. The mold material and mold industrial foundation. But even the higher performance requirements of the new mold material is still difficult to meet the mold. Surface engineering is more active in the performance of current materials science and engineering fields, more rapid development of the branch. Surface engineering disciplines, means diversity, a wide range of functionality, the potential of innovative, environmental protection, strong practicability and great synergistic nature, and thus subject to the attention of all walks of life. Surface engineering technologies in the field of mold manufacturing, in large part to make up for the deficiencies of the mold material. Surface technology applied to the surface of the mold cavity can achieve the following objectives. The appearance color of this kind of laser pointer is argent.
Improve the mold cavity surface hardness, wear resistance, corrosion resistance and resistance to high temperature oxidation resistance, and greatly improve the life of the mold. Improve the capacity of the mold cavity surface resistance to abrasion and mold release ability, thereby improving productivity. Treated by surface coating or alloying of carbon tool steel or low alloy steel, the comprehensive performance can be achieved even more than the performance of high-alloy mold material and carbide, which can significantly reduce the cost of materials. Can simplify the mold manufacturing process and heat treatment processes to reduce production costs. Can be used for the decoration of the mold cavity surface, in order to improve the quality and added value of products. Can be used to mold repair and remanufacturing engineering. The power of green laser is 5mw-10mw.
In this paper, summarized in the following three aspects: An Introduction to the three main types of surface used in the mold industry (surface transforming the surface coating and surface alloying technology) the principle of surface treatment technologies, an overview of the advantages, disadvantages and range of application of various technologies, and illustrates the application effect of the mold or actual production. Unilaterally from the surface mold and surface in the mold repair were reviewed. The application of rare earth surface engineering technologies in the mold manufacturing. On the nano surface engineering technologies in the mold manufacturing is also discussed. A surface of a wide range of commonly used in the mold surface technology summed up in three categories: surface transforming technology, surface coatings and surface alloying. More details of green laser led will be given in the list.
The major class includes different methods, the following were introduced to the principles, characteristics and applications. Surface transforming the surface structure of the conversion technology, that does not change the surface composition of the material through only to change the material properties to change the surface of the organizational structure characteristics or stress conditions, the flame surface hardening, laser transformation hardening. The flame surface hardening process is the use of oxyacetylene (or other gas) flame the mouth of the quenching of the surface heating and rapid cooling to the surface 2 ~ 10mm thickness range of hardness and wear resistance to improve the process is generally carried out after the assembly simplifies mold part of the manufacturing process to ensure the accuracy of the mold assembly, easy to mold repair welding repair but require operators skilled. green laser pointer can make the computer to automatically turn over the pieces of page of different documents.
The mold is the emperor of the metal processing industry. The mold material and mold industrial foundation. But even the higher performance requirements of the new mold material is still difficult to meet the mold. Surface engineering is more active in the performance of current materials science and engineering fields, more rapid development of the branch. Surface engineering disciplines, means diversity, a wide range of functionality, the potential of innovative, environmental protection, strong practicability and great synergistic nature, and thus subject to the attention of all walks of life. Surface engineering technologies in the field of mold manufacturing, in large part to make up for the deficiencies of the mold material. Surface technology applied to the surface of the mold cavity can achieve the following objectives. The appearance color of this kind of laser pointer is argent.
Improve the mold cavity surface hardness, wear resistance, corrosion resistance and resistance to high temperature oxidation resistance, and greatly improve the life of the mold. Improve the capacity of the mold cavity surface resistance to abrasion and mold release ability, thereby improving productivity. Treated by surface coating or alloying of carbon tool steel or low alloy steel, the comprehensive performance can be achieved even more than the performance of high-alloy mold material and carbide, which can significantly reduce the cost of materials. Can simplify the mold manufacturing process and heat treatment processes to reduce production costs. Can be used for the decoration of the mold cavity surface, in order to improve the quality and added value of products. Can be used to mold repair and remanufacturing engineering. The power of green laser is 5mw-10mw.
In this paper, summarized in the following three aspects: An Introduction to the three main types of surface used in the mold industry (surface transforming the surface coating and surface alloying technology) the principle of surface treatment technologies, an overview of the advantages, disadvantages and range of application of various technologies, and illustrates the application effect of the mold or actual production. Unilaterally from the surface mold and surface in the mold repair were reviewed. The application of rare earth surface engineering technologies in the mold manufacturing. On the nano surface engineering technologies in the mold manufacturing is also discussed. A surface of a wide range of commonly used in the mold surface technology summed up in three categories: surface transforming technology, surface coatings and surface alloying. More details of green laser led will be given in the list.
The major class includes different methods, the following were introduced to the principles, characteristics and applications. Surface transforming the surface structure of the conversion technology, that does not change the surface composition of the material through only to change the material properties to change the surface of the organizational structure characteristics or stress conditions, the flame surface hardening, laser transformation hardening. The flame surface hardening process is the use of oxyacetylene (or other gas) flame the mouth of the quenching of the surface heating and rapid cooling to the surface 2 ~ 10mm thickness range of hardness and wear resistance to improve the process is generally carried out after the assembly simplifies mold part of the manufacturing process to ensure the accuracy of the mold assembly, easy to mold repair welding repair but require operators skilled. green laser pointer can make the computer to automatically turn over the pieces of page of different documents.
It is the sale situation of green laser pointer in the market
Been widely used in automobile, metallurgy, military, marine, petrochemical, mold, light industry and other industries. Several effects that occur in the physical processes of laser interaction with the material: their common theoretical basis of laser interaction with the material law. The characteristics of the four processes is the main role in the material on the laser energy density is different at different times and different components of the alloy powder. Laser (phase change) quenching and laser melting quenching laser quenching technology (phase change) is the use of the focused laser beam incident to the steel surface, its temperature rapidly increased to above the phase transition point, when the laser is removed, is still in the inner material of the low-temperature rapid thermal conductivity. green laser pointer can help users out of the restricted situation when using computer to present and demonstrate documents.
Rapid cooling of the heated surface to the martensitic transformation point below, and then the workpiece surface transformation hardening. Laser quenching principle of induction hardening, flame hardening technology. But its technical features is the use of a higher energy density, heat faster, and does not require quenching medium, small deformation of the workpiece, the heating depth and heating track is easy to control, easy to automate, so you can gradually replace in many industrial areas induction hardening and chemical heat treatment and other traditional crafts. Laser quenching the workpiece surface to 0.1 ~ 2.0mm scope of the structure and properties change significantly. Laser melting quenching is the use of laser molten metal surface, the laser beam is removed, the molten metal directly from liquid hardening solid, the formation process of the surface hardened layer. Clients can use laser pointer immediately.
Allow the metal surface melting due to laser melting quenching, the actual operation can use more than the laser hardening with high power density and slow scan speed, laser melting the hardened layer depth than the former deeper. In the laser output power 3.5kw, large roll surface laser melting quench hardened layer depth of 2 mm or more. The lack of quenching by laser melting is, the surface roughness after the laser processing is decreased, reduced the magnitude depends on process parameters of laser processing, laser surface hardening the surface roughness remained unchanged. The common characteristics of the laser hardening and surface melting, do not need to change the composition of the material. green laser can be compatible with various systems.
Roll material characteristics of the martensitic transformation to strengthen the roller surface. Laser quenching and the quenching of fused pre-coated with a layer of absorbance coating to enhance the absorption rate of the roll surface of the laser. For laser surface melting, the use of paint should also play the role of the molten pool leveling and slagging. Therefore, the coating formulations smooth implementation of laser technology and the hard layer organization and performance of essential. Laborers laser after years of exploration, research and development of laser quenching and the quenching of the fused series of light absorbing coatings, laser hardening of the various types of materials hardened layer evenly distributed. In particular, laser melting quenching paint, add the absorbance and bath leveling material. green laser led can meet the needs for interactive teaching.
Fused after quenching hardened layer of smooth, flat, only a small amount of processing, you can get a flat surface. Therefore, particularly suitable for a variety of roll laser surface hardening treatment. Laser cladding and alloying. Laser cladding technique is the use of the laser beam in the selected materials of the special properties of the surface cladding layer to improve the performance of the surface craft. Compared with the traditional spray or surfacing process, the laser cladding technology has the following advantages: high energy density laser beam injected less energy to complete the laser cladding. Small part heat-affected zone, the deformation is small, and therefore suitable to strengthen or repair some of the high-precision parts, or demanding parts on the deformation, such as finishing the roll surface hardening treatment. The output power of green laser pointer is 50mW.
Rapid cooling of the heated surface to the martensitic transformation point below, and then the workpiece surface transformation hardening. Laser quenching principle of induction hardening, flame hardening technology. But its technical features is the use of a higher energy density, heat faster, and does not require quenching medium, small deformation of the workpiece, the heating depth and heating track is easy to control, easy to automate, so you can gradually replace in many industrial areas induction hardening and chemical heat treatment and other traditional crafts. Laser quenching the workpiece surface to 0.1 ~ 2.0mm scope of the structure and properties change significantly. Laser melting quenching is the use of laser molten metal surface, the laser beam is removed, the molten metal directly from liquid hardening solid, the formation process of the surface hardened layer. Clients can use laser pointer immediately.
Allow the metal surface melting due to laser melting quenching, the actual operation can use more than the laser hardening with high power density and slow scan speed, laser melting the hardened layer depth than the former deeper. In the laser output power 3.5kw, large roll surface laser melting quench hardened layer depth of 2 mm or more. The lack of quenching by laser melting is, the surface roughness after the laser processing is decreased, reduced the magnitude depends on process parameters of laser processing, laser surface hardening the surface roughness remained unchanged. The common characteristics of the laser hardening and surface melting, do not need to change the composition of the material. green laser can be compatible with various systems.
Roll material characteristics of the martensitic transformation to strengthen the roller surface. Laser quenching and the quenching of fused pre-coated with a layer of absorbance coating to enhance the absorption rate of the roll surface of the laser. For laser surface melting, the use of paint should also play the role of the molten pool leveling and slagging. Therefore, the coating formulations smooth implementation of laser technology and the hard layer organization and performance of essential. Laborers laser after years of exploration, research and development of laser quenching and the quenching of the fused series of light absorbing coatings, laser hardening of the various types of materials hardened layer evenly distributed. In particular, laser melting quenching paint, add the absorbance and bath leveling material. green laser led can meet the needs for interactive teaching.
Fused after quenching hardened layer of smooth, flat, only a small amount of processing, you can get a flat surface. Therefore, particularly suitable for a variety of roll laser surface hardening treatment. Laser cladding and alloying. Laser cladding technique is the use of the laser beam in the selected materials of the special properties of the surface cladding layer to improve the performance of the surface craft. Compared with the traditional spray or surfacing process, the laser cladding technology has the following advantages: high energy density laser beam injected less energy to complete the laser cladding. Small part heat-affected zone, the deformation is small, and therefore suitable to strengthen or repair some of the high-precision parts, or demanding parts on the deformation, such as finishing the roll surface hardening treatment. The output power of green laser pointer is 50mW.
Clients can use green laser pointer to hide screen
Production such as the heat caused by excessive fat fat. The scientists suggest that: dietary polyunsaturated fatty acids and saturated fatty acid ratio of 1:1 to 2 better. Beneficial soy products: soy is the ideal food for diabetics, this is because the ingredients it contains nutrients beneficial to people with diabetes. First, the soybean is a source of vegetable protein, abundant, and the physiological value, the full range of essential amino acids, can be comparable and animal food. Second, soy fats containing unsaturated fatty acids, phospholipids and beans steroids beneficial in reducing blood cholesterol. Third, the carbohydrates in soybeans, half of the body can not absorb raffinose and stachyose. green laser pointer has no directivity.
In addition, soybeans also contain inorganic salts, trace elements and B vitamins. It can be seen from the above, soybeans and their products, such as yuba, silk tofu, tofu, bean curd, soybean powder, and should become the common food of the people with diabetes. Cope with the way of hunger: hunger is often encountered in people with diabetes as a reaction to. Caused by diabetes, will also be a result of the diabetes disease better and to adapt to the patient's adjustment to reduce or disappear. You can take the following approach to deal with the occurrence of hunger: First: Reduce refined grains intake, add some more fiber foods, such as buckwheat noodles, cornmeal, green beans, seaweed. There are some health food specifically for diabetic human consumption. laser pointer has a USB interface.
Such as buckwheat noodles, green beans and biscuits and other snacks can be as severe hunger of use. Second: appropriate to eat low-calorie, high-volume vegetables. Such as tomatoes, spinach, cucumber, cabbage, rape, bean sprouts, eggplant, leeks, etc.. Third: some therapeutic side snacks. A strong sense of hunger, use a melon 250 g, 100 g of yam, porcine pancreatic a (cleaned), plus the right amount of seasoning stew, soup consumption, can also use pumpkin, soy, or tofu, low heat production of food stewed pig pancreas for human consumption. As limited to alleviate hunger. Four: the psychological approach. Food intake and eating habits, hunger, does not affect the nutritional foundation to adapt through a period of time, patience, can ease. The size of green laser is 26.5*118mm.
In addition, the patient should believe that reducing food intake, does not necessarily hunger, do not advance to prepare the hunger, it is important for people with diabetes, nutritional balance, excessive eating will no doubt give the body organs and tissues burden. Sweet product of choice: some people with diabetes eat sweets, but sweets are mostly sugar content, eat another adverse condition. So how to solve this difficult contradiction? May wish to try the following method: First: In many sweeteners, suitable for consumption by diabetic patients to "stevia" better, although it does not contain nutrients, but it does not provide heat, and about 400 times the sweetness of sucrose, it can be used. The power of 50mW of green laser led can be reached.
In addition, soybeans also contain inorganic salts, trace elements and B vitamins. It can be seen from the above, soybeans and their products, such as yuba, silk tofu, tofu, bean curd, soybean powder, and should become the common food of the people with diabetes. Cope with the way of hunger: hunger is often encountered in people with diabetes as a reaction to. Caused by diabetes, will also be a result of the diabetes disease better and to adapt to the patient's adjustment to reduce or disappear. You can take the following approach to deal with the occurrence of hunger: First: Reduce refined grains intake, add some more fiber foods, such as buckwheat noodles, cornmeal, green beans, seaweed. There are some health food specifically for diabetic human consumption. laser pointer has a USB interface.
Such as buckwheat noodles, green beans and biscuits and other snacks can be as severe hunger of use. Second: appropriate to eat low-calorie, high-volume vegetables. Such as tomatoes, spinach, cucumber, cabbage, rape, bean sprouts, eggplant, leeks, etc.. Third: some therapeutic side snacks. A strong sense of hunger, use a melon 250 g, 100 g of yam, porcine pancreatic a (cleaned), plus the right amount of seasoning stew, soup consumption, can also use pumpkin, soy, or tofu, low heat production of food stewed pig pancreas for human consumption. As limited to alleviate hunger. Four: the psychological approach. Food intake and eating habits, hunger, does not affect the nutritional foundation to adapt through a period of time, patience, can ease. The size of green laser is 26.5*118mm.
In addition, the patient should believe that reducing food intake, does not necessarily hunger, do not advance to prepare the hunger, it is important for people with diabetes, nutritional balance, excessive eating will no doubt give the body organs and tissues burden. Sweet product of choice: some people with diabetes eat sweets, but sweets are mostly sugar content, eat another adverse condition. So how to solve this difficult contradiction? May wish to try the following method: First: In many sweeteners, suitable for consumption by diabetic patients to "stevia" better, although it does not contain nutrients, but it does not provide heat, and about 400 times the sweetness of sucrose, it can be used. The power of 50mW of green laser led can be reached.
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