33 results about "Laser coating" patented technology

The invention relates to the field of packaging materials, in particular to a positioning environment-friendly laser transfer film which is composed of a base film layer, a laser information layer and an aluminum plating layer. The laser information layer is prepared from the following raw materials in parts by weight: 60 to 70 parts of waterborne polyurethane acrylic resin emulsion, 10 to 15 parts of photo-initiation waterborne alkyd resin, 8 to 12 parts of dipentaerythritol hexaacrylate, 0.1 to 1 part of polyether modified polysiloxane surfactant, 1 to 5 parts of aminated nano titanium dioxide and 1 to 3 parts of functional additive. The water-based laser coating is used for replacing a solvent type coating to prepare the laser information layer, the problems that the solvent type coating is poor in environmental protection performance and poor in safety are effectively solved, and green, efficient and safe production of the vacuum aluminum plating packaging material is achieved.

The invention provides a system and a method for accurately removing a coating at a mounting position of a sprayed workpiece, and relates to the technical field of surface treatment in mechanical manufacturing, the system comprises a visual scanning module, a positioning module, a control system, an execution mechanism, a real-time monitoring module and an auxiliary device, the method comprises a system initialization and calibration step, a visual scanning and hole site three-dimensional positioning step, a path planning and laser parameter adaptation step, a multi-mechanical-arm collaborative operation deployment step, a coating removal execution and real-time regulation and control step and a quality detection and correction step. According to the method, a dynamic coupling adjustment mechanism of the density between the track points and the laser parameters is achieved, the scanning rate is increased to improve the efficiency, the efficiency and quality dual-optimization target is achieved, and a basis is provided for efficient and intelligent laser coating removal.

In a method for producing a coated workpiece, a coating is applied to at least one surface (115) of the workpiece (110) using laser radiation. For this purpose, a first laser beam directed onto the surface is generated by guiding laser radiation emitted by a laser source through beam-shaping optics of a laser processing head onto a first impact zone on the surface. A preferably powdered filler material is fed to the first laser beam in such a way that the filler material is heated and / or at least partially melted in an interaction zone by laser radiation of the first laser beam and bonds with the heated material on the surface in the region of the first impact zone (225-1).A relative movement is generated between the workpiece (110) and the laser processing head such that the first impact zone moves in a feed direction at a feed rate along a feed path, leaving a track (228) of coating material behind it. Furthermore, at least one second laser beam directed onto the surface is generated for post-treating the coating material. Laser radiation emitted by a laser source is guided by focusing optics of the beam-shaping optics of the laser processing head onto a second impact zone (225-2) lagging behind the first impact zone in the feed direction, and acts on the track of coating material.

The utility model discloses an integrated chip laser coating preparation device, and relates to the technical field of integrated chip processing devices. The coating device comprises a bottom plate, a placing table is fixedly connected to the top of the bottom plate, a clamping mechanism is fixedly connected to an inner cavity of the placing table, a coating mechanism is movably connected to the top of the bottom plate, and a feeding mechanism is arranged on one side of the bottom plate. The first motor rotates to drive the clamps on the two sides to contract inwards, chips of different sizes can be clamped, the convenience of the clamping mechanism is improved, the production cost of the device is reduced, the non-slip mats are arranged in the clamps, the chips can be fixed more firmly, the chips can be protected from being damaged by the clamps to a certain extent, and the production efficiency is improved. And the distance between the connecting rod and the third motor can be adjusted through a bolt and an adjusting hole, so that the movement range of the laser transmitter is reduced or increased, chips of different sizes can be coated by the laser transmitter, and the flexibility and universality of the whole device are improved.

The invention relates to the technical field of laser coating, in particular to a high-power laser cavity surface coating device which comprises a box body, a vacuum chamber is arranged in the box body, a key removing station used for placing a laser bar is arranged in the vacuum chamber, a key removing accompanying strip located over the key removing station is arranged in the vacuum chamber, and the laser bar is placed in the key removing accompanying strip. The material of the de-bonding strip is the same as that of the laser bar, a plurality of activation strips are arranged on one side, facing the de-bonding station, of the de-bonding strip, the activation strips are made of Pt, an air blowing pipe is arranged between the de-bonding strip and the de-bonding station, and hydrogen is introduced into the air blowing pipe. Hydrogen blown out of the gas blowing pipe is rapidly dissociated into atomic state H + after encountering the activation strip, the atomic state H + has the energy of about 1 eV, has high reducibility and can rapidly reduce dangling bond molecules on the cavity surface, so that after oxygen molecules and water molecules on the surface are removed, the molecules can be pumped away along with a vacuum system under the vacuum condition, and the hydrogen is discharged out of the cavity surface. And a clean laser surface is left.

In a method for producing a coated workpiece (110), a rotationally symmetric functional layer (170-1, 170-2) with respect to a rotational axis of the workpiece is applied to at least one surface of the workpiece in at least one coating operation using laser radiation. For this purpose, the workpiece is set into a rotational movement about its rotational axis (114), and a laser beam (LS) directed towards the surface is generated. This laser beam is guided in a beam direction at an angle of incidence (EW) onto an impact zone (ZO) in a coating area of ​​the surface. At least one, preferably powdered, additive material is supplied to the laser beam such that the additive material is heated and / or at least partially melted in an interaction zone by the laser radiation of the laser beam and bonds at least partially with heated material on the surface in the area of ​​the impact zone (ZO).A relative movement between the workpiece (110) and the laser processing head (200) is generated such that, with the workpiece rotating, the impact zone passes through all positions within the coating area at least once. The relative orientation between the rotation axis (114) of the workpiece and an orientation of the laser processing head (200) is changed during at least one angular change phase of the coating operation via control signals from a control unit according to a predefined setting.

The invention provides a laser coating method, and relates to the technical field of laser application. The laser coating method comprises the following steps: step 1, acquiring demand parameters of a substrate material needing to be coated, and setting coating working parameters according to the demand parameters; 2, cleaning the transparent material substrate, and ensuring that the surface of the transparent material substrate is free of oil stains and impurities; 3, the linear laser beam is divided into a cleaning laser beam and a coating laser beam through a spectroscope; step 4, carrying out laser cleaning on the surface of a substrate to be coated through a cleaning total reflection mirror by utilizing the cleaning laser beam; and step 5, performing hot melting on the target material in contact with the surface of the cleaned substrate in the step 4 by utilizing the film coating laser beam through a film coating total reflective mirror. According to the method, laser cleaning and film coating are integrated, the surface of the substrate does not need to be independently cleaned before film coating, the whole working process is smoother, large-scale production is facilitated, and laser cleaning objects are wider.

The invention discloses a cladding coating profile curve modeling method under the action of high-speed laser, relates to the field of laser cladding, solves the problem of poor cladding effect of an existing laser coating cladding method, and comprises the following steps: S1, carrying out three-dimensional modeling on a regional space where a target to-be-cladded matrix is located to obtain model preliminary creation data, s2, coating edge sampling points of a target to-be-cladded base body are recognized and connected to obtain a cladding coating profile curve, the cladding coating profile curve is marked on the cladding base body sub-model to obtain a cladding coating profile curve model, and S3, laser cladding is conducted on the target to-be-cladded base body according to the cladding coating profile curve model to obtain a cladding coating profile curve model. And according to the cladding process, cladding operation abnormity early warning is carried out on the target to-be-cladded base body. The accuracy and safety of the cladding process can be guaranteed.

The present invention relates to the field of laser processing technology, and in particular to a laser-based battery pack shell local electrophoretic coating removal processing system, the system comprising: an acquisition unit, which is used to acquire parameters of the battery pack shell; a planning unit, which is used to generate a removal route and a pre-removal thickness of a processing area; a spraying unit, which is used to perform thermal insulation spraying and electrophoretic coating; a laser removal unit, which is used to perform a first coating removal and a second coating removal; an analysis unit, which is used to determine whether the first coating removal is qualified, and to determine whether to perform visual inspection or increase the laser power, and to determine whether the second coating removal is qualified; a modeling unit, which is used to construct an electrophoretic coating model; the present invention utilizes the above-mentioned units to cooperate with each other, while improving the efficiency of laser coating removal, further improving the accuracy of the laser-based battery pack shell local electrophoretic coating removal processing system.

The invention discloses an edge-emitting semiconductor laser film coating accompanying strip device which comprises a base and a vertical plate, a first gas guide cavity is formed in the base, a nitrogen storage device is arranged on the side, away from the vertical plate, of the base, a gas outlet pipe of the nitrogen storage device is communicated with the first gas guide cavity, and a plurality of accompanying strips are arranged on the upper end face of the base. A second air guide cavity is formed in the accompanying strip, the accompanying strip comprises a straight plate part and convex plate parts fixedly connected to the two ends of the straight plate part, inclined blowing holes corresponding to the active area of the edge-emitting semiconductor laser are formed in the two sides of each convex plate part, and the inclined blowing holes are communicated with the second air guide cavity; second through holes communicated with the second air guide cavities are formed in the lower end face of the straight plate part, a plurality of first through holes communicated with the first air guide cavities are formed in the base, and the second through holes are communicated with the corresponding first through holes. According to the invention, an active area of the edge-emitting semiconductor laser can be prevented from being shielded during film coating, and meanwhile, the coating film is ensured to have relatively good adhesion and mechanical strength to the surface and the side surface of a device.

The utility model relates to the technical field of material coating equipment, and particularly provides laser coating equipment. The utility model aims to solve the problems of large equipment size, high cost and unsuitability for small-sized test occasions in the conventional magnetron sputtering film deposition method. Therefore, the laser coating equipment comprises a box body, a laser generating device, a first fixing device, a second fixing device and a reflecting device, wherein the first fixing device, the second fixing device and the reflecting device are arranged in the box body; the first fixing device and the second fixing device are arranged at intervals in the vertical direction. The reflection device is located on the side, away from the first fixing device, of the second fixing device. The first fixing device is used for clamping and fixing a target material, the second fixing device is used for clamping and fixing a substrate to be coated, the laser generating device can emit laser towards the reflecting device, and the reflecting device is arranged to be capable of receiving the laser and reflecting the laser. The device is simple in structure, small in size, convenient to assemble and use, low in cost and suitable for small experiment occasions.

The invention relates to the technical field of laser coating, in particular to laser coating equipment for surface treatment of a riveted brake disc and a process of the laser coating equipment, and solves the problems that when laser coating is carried out on the surface of an existing riveted brake disc, the surface of the brake disc is round, so that the temperature of the brake disc is inconvenient to keep stable in the continuous laser coating process, and the service life of the brake disc is prolonged. The adhesion strength of a laser coating layer and the brake disc is limited, and the two surfaces of the brake disc are not convenient to quickly treat. Comprising an opening and closing swing mechanism and a centering positioning mechanism, the centering positioning mechanism is installed at the front end of the opening and closing swing mechanism, the centering positioning mechanism is composed of a supporting preheating assembly and a positioning rotating assembly, and the positioning rotating assembly is located over the supporting preheating assembly. The brake disc in the rotating state is continuously preheated, the adhesion strength of a laser coating layer and the brake disc can be improved, the brake disc can be automatically positioned and clamped conveniently, and efficient treatment of the brake disc is achieved.

The clamping tool comprises a mounting frame, supporting plates are fixed to the two sides of the top end of the mounting frame correspondingly, first electric telescopic rods are fixed to the opposite sides of the two supporting plates correspondingly, clamping blocks are fixed to the telescopic ends of the two first electric telescopic rods correspondingly, and cavities are formed in the clamping blocks; an arc-shaped plate is arranged in the cavity in a sliding manner; according to the scheme, when a plate-shaped part needs to be clamped, a first electric telescopic rod drives a clamping block to move, the plate-shaped part can be clamped and fixed, when a columnar part needs to be clamped, under the movement of a driving assembly, an arc-shaped plate is driven to move, the arc-shaped plate drives a clamping rod to move, and the clamping rod extends out of the clamping block, so that the columnar part is clamped. And then the first electric telescopic rod drives the clamping block to move, the clamping block drives the clamping rod to move, and the columnar part can be clamped and fixed through the clamping rod, so that the parts in different shapes can be clamped and fixed conveniently, and the part fixing efficiency is improved.

The present invention is applicable to the field of semiconductor laser coating, and discloses a fixture, an assembly tool and an assembly method. The assembly tool and the assembly method of the present invention are used to assemble a laser bar onto a fixture, and the fixture comprises a fixed frame, a clamp detachably connected to the fixed frame, and a fastener used to connect the fixed frame and the clamp. The fixed frame is hollowed out in the middle, and the fastener fixes the clamp to the fixed frame. There are at least two clamps, and two adjacent clamps are used to clamp the laser bar, and each clamp is provided with a V-shaped clamping opening on the side facing the other clamp. The laser bar is clamped in the V-shaped clamping openings of the two adjacent clamps. Therefore, the contact between the fixture and the end face of the laser bar is line contact, and the laser bar can be fully coated, so that the laser bar has a uniform coating thickness. Moreover, the thickness of the fixture is greater than the thickness of the laser bar, so the phenomenon of laser bar warping can be avoided.

The application discloses a kind of oxygen consumption type laser cladding wear-resistant self-lubricating titanium alloy and preparation method, including the raw material h-BN@TiO2, TiO2 And CuO are mixed to obtain mixed powder, then mixed powder is placed on the surface of titanium alloy, the thickness of powder laying is 1~1.5mm, laser cladding equipment is used in air to the titanium alloy that has been laid with mixed powder is carried out laser cladding, and the laser cladding equipment is obtained;The mass percentage of each component of the raw material is: TiO2:92~98wt%, h-BN@TiO2:1~10wt%, CuO:1~2wt%.It can be directly carried out in air laser cladding, solves the problem that oxygen element is introduced into laser coating and can form pore, crack and other defects.Problems.CuO and TiO2 are also coated h-BN powder into coating, so that the cladding powder forms coating under lower laser power, avoids self-lubricating phase h-BN to decompose a lot, and forms lubricating film in the process of friction experiment, reduces friction coefficient, and further improves the wear resistance of titanium alloy.

In a method for producing a coated workpiece (110), in at least one coating operation a functional layer (170-1, 170-2) which is rotationally symmetrical with respect to an axis of rotation of the workpiece is applied to at least one surface of the workpiece using laser radiation. For this purpose, the workpiece is set in rotational motion about the axis of rotation (114) thereof, and a laser beam (LS) directed onto the surface is generated, which is guided in a beam direction at an angle of incidence (EW) onto an impingement zone (ZO) in a coating region of the surface. At least one, preferably powdered, filler material is supplied to the laser beam in such a way that the filler material is heated and / or at least partially melted in an interaction zone by laser radiation of the laser beam, and bonds at least partially to heated material on the surface in the region of the impingement zone (ZO). A relative movement between the workpiece (110) and the laser machining head (200) is produced such that the impingement zone passes through all positions within the coating region at least once when the workpiece rotates. A relative orientation between the axis of rotation (114) of the workpiece and an orientation of the laser machining head (200) is changed during at least one angle-change phase of the coating operation by means of control signals of a control unit according to a specification.

The utility model relates to the field of cladding technology provides a kind of self-cleaning laser cladding equipment, comprising: square frame, still include: guide rail, fixedly connected in the top of the square frame, the opposite side of the inner wall of the guide rail is rotatably connected with screw rod, the outer surface of the screw rod is threadedly connected with L-shaped plate, one side of the guide rail is fixedly connected with motor one, the output end of the motor one is fixedly connected in one end of screw rod, the top of the L-shaped plate is equidistantly fixedly connected with multiple laser cladding equipment main parts. The utility model, by the movement of L-shaped plate, can drive L-shaped block and brush plate to move to one side, the coating material powder on the baffle is swept, makes coating material powder fall through the bar-shaped groove to bottom frame, and is collected by collecting frame, so when laser coating is carried out to row pipe, coating material powder on the baffle can be cleaned automatically, without suspending laser cladding operation to row pipe, to improve the efficiency of row pipe laser cladding.

1. The name of this design product: fiber laser. 2. Application of this design product: Suitable for laser processing fields, used for laser marking, laser cleaning, laser additive manufacturing, laser welding, laser cutting, laser heat treatment and laser coating, etc. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The invention provides a laser coating device and method for a transparent material, and relates to the technical field of coating equipment. The laser coating device for the transparent material comprises a box body, the inner side wall of the box body is fixedly connected with a fixed seat, one side of the outer side of the fixed seat is fixedly provided with a first motor, and the output end of the first motor is fixedly connected with a rotating rod. According to the laser coating device and method for the transparent material, the method has the advantages that the coating precision is high, the coating structure is compact, pinholes, bubbles and the like are avoided, ion coating can be conducted on the surfaces of irregular products with grooves or water caltrops, compounds, alloys and non-metals can form films, and the coating quality is improved. The invention relates to a film coating device, which solves the problems that the film coating precision cannot be improved, pinholes, bubbles and the like can occur and the film coating cannot be performed on the surfaces of irregular products with grooves or water caltrops when the film coating device is used for coating a transparent material.

The utility model relates to the technical field of pipeline dredging and cleaning, in particular to a descaling, dewaxing, cleaning and repairing device for an oil field pipeline. An integrated descaling device for oil field pipelines comprises a drill bit, a first mounting shell, a second mounting shell and a third mounting shell which are sequentially arranged. The drill bit and the first mounting shell, the first mounting shell and the second mounting shell, and the second mounting shell and the third mounting shell are connected through telescopic assemblies. A brush is arranged on the outer side wall of the first mounting shell in a surrounding mode, the second mounting shell is provided with a monitoring device, and the third mounting shell is provided with laser coating equipment. The drilling machine further comprises a ground control system, and the ground control system is electrically connected with the drill bit, the first mounting shell, the second mounting shell and the third mounting shell. The drill bit, the first installation shell, the second installation shell and the third installation shell are sequentially connected through the telescopic assemblies, and the connection mode enables the drill bit to freely advance and retreat in a bent pipeline.

1. The name of this design product: Modular air-cooled laser. 2. Application of this design product: This product is used in laser industry fields such as laser marking, laser cleaning, laser additive manufacturing, laser welding, laser cutting, laser heat treatment, laser coating and laser chemistry. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The utility model discloses a high-speed laser plating layer removing machine which comprises a machine table and a machine cover arranged above the machine table in a covering mode, electrical accessories are arranged in the machine table, a laser plating layer removing space is formed between the machine table and the machine cover, the high-speed laser plating layer removing machine further comprises a circulating feeding assembly, a plating layer removing assembly and a protective dust removing assembly, openings are formed in the four side walls of the machine cover, and a material guiding opening is formed in the front side of the machine cover; the circulating feeding assembly is horizontally arranged on the machine table. The circulating feeding assembly is provided with at least two stations, and the at least two stations are each provided with a carrier used for bearing and positioning a product with a plating layer to be removed. The plating layer removing assembly is arranged on the machine table and located on the rear side of the machine table, and the plating layer removing assembly extends to the position above the circulating feeding assembly. The protection dust removal assembly is arranged between the circulating feeding assembly and the plating layer removal assembly and moves up and down in the vertical direction. According to the utility model, a coating on the surface of a product is automatically removed by adopting a laser technology, and the actions of taking and placing the product and removing the coating are synchronously realized by double-station circulating rotation, so that the coating is efficiently removed.

The present invention relates to the field of packaging materials, and specifically to a positioning environmentally friendly laser transfer film, which is composed of a base film layer, a laser information layer, and an aluminized layer; the laser information layer is made of the following raw materials in parts by weight: 60-70 parts of an aqueous polyurethane acrylate resin emulsion, 10-15 parts of a photoinitiator aqueous alkyd resin, 8-12 parts of dipentaerythritol hexaacrylate, 0.1-1 part of a polyether-modified polysiloxane surfactant, 1-5 parts of aminated nano-titanium dioxide, and 1-3 parts of a functional additive. The present invention uses an aqueous laser coating to replace the solvent-based coating to prepare the laser information layer, effectively solving the problems of poor environmental protection performance and poor safety of the solvent-based coating, and realizing the green, efficient, and safe production of vacuum aluminized packaging materials.

The invention provides a wind turbine generator large gear ring gear wear repair method, belongs to the technical field of wind power generation, and aims to solve the problem of large gear ring gear wear repair. Comprising the following steps: S1, detecting the wear state of a gear to judge whether the gear has an on-tower repair value or not; s2, if the gear has the on-tower repair value, acquiring tooth profile parameters of the unworn part of the gear as repair parameters of the worn part; s3, according to the abrasion depth and the repairing parameters, laser coating is conducted on the abrasion position; s4, roughly repairing the coated part, and detecting the tooth surface hardness of the coated part so as to judge whether the tooth surface hardness reaches the standard or not; s5, if the hardness of the tooth surface reaches the standard, the coating position is subjected to fine trimming according to the repairing parameters; and S6, test run operation is carried out to confirm the tooth surface meshing state. The original performance of the gear can be recovered to the maximum extent, and the maintenance cost is reduced.

This invention relates to a method for fabricating an HTBC battery, comprising: substrate pretreatment, performing front-side coating on the pretreated substrate; and back-side coating and patterning on the substrate, including the following steps: S1: preparing a SiO2+n-Poly-Si layer and performing a first laser; S2: performing PECVD coating to form an intrinsic amorphous layer and a P-type amorphous silicon layer; S3: performing a second laser on the intrinsic amorphous layer and the P-type amorphous silicon layer to expose the P-region; S4: forming a transparent conductive layer; S5: performing a third laser; and printing insulating adhesive and fabricating metal electrodes. Through the coating process and the three-step laser patterning process, precise patterning of the N-type region, P-type region, and transparent conductive layer is achieved, effectively solving the insulation problems of the PN region and the insulation around the battery, reducing battery leakage, and increasing the effective working area of ​​the battery, thereby improving the photoelectric conversion efficiency.

The invention provides a semiconductor laser coating reflectivity determination method and a semiconductor laser, and the method comprises the steps: generating a target relational expression according to the physical parameters of an equivalent mixing cavity formed by the semiconductor laser and an output coupling mirror, the target relational expression represents the relationship among the first reflectivity of the front cavity surface of the equivalent mixing cavity, the second reflectivity of the front cavity surface of the semiconductor laser and the third reflectivity of the output coupling mirror; different second reflectivity is selected from a second preset range, different third reflectivity is selected from a third preset range and substituted into the target relational expression, and a first preset range of the first reflectivity is determined; under the condition that the first preset range covers the target range, verifying the mode of the equivalent mixing cavity; and under the condition that the equivalent mixing cavity mode is dominated by the inner cavity mode of the semiconductor laser, testing the output performance of the semiconductor laser by using a reflectivity measuring device, and determining the target coating reflectivity of the semiconductor laser based on the output performance.

The invention relates to a device (1) for laser coating workpieces (2), the device having a working chamber (3) in which a laser-coating unit (4) with a laser (5) and a gas particle supply means (6) and at least two working positions (7, 8) for laser coating workpieces (2) are arranged, wherein, for each of the working positions (7, 8), the device (1) has a changeover device (9, 10) for loading the working positions (7, 8) with workpieces (2), and has a laser-positioning drive (11) configured to move the laser (5) of the laser-coating unit (4) between the working positions (7, 8) in order to work on workpieces (2) at each of the at least two working positions (7, 8).

The invention relates to the technical field of optical material coating, and provides an optical material coating system and method based on self-feedback, the system comprises a machine body, the machine body is provided with a machine cavity, and the machine cavity is internally provided with a laser coating mechanism, a processing table mechanism and a movable cleaning mechanism; the machining mechanism comprises a machining plate, the machining plate is fixedly connected to the inner wall of the machine cavity, and two or more containing grooves are formed in the machining plate; the cleaning mechanism comprises an electric sliding seat, an electric sliding plate and a guide rail, the guide rail is fixedly connected to the inner wall of the machine cavity, the electric sliding seat is slidably connected to the guide rail, a first displacement sensor is arranged in the electric sliding seat, the electric sliding plate is slidably connected to the bottom wall of the electric sliding seat, a wiping mechanism is arranged on the electric sliding plate, and a second displacement sensor is arranged in the electric sliding plate. Automatic cleaning and film coating are integrated, and the production efficiency and the cleaning quality are improved.

The present application provides a corrosion-resistant aluminum-magnesium-manganese alloy clad steel wire, a preparation process for the corrosion-resistant aluminum-magnesium-manganese alloy clad steel wire, and an overhead stranded wire comprising the corrosion-resistant aluminum-magnesium-manganese alloy clad steel wire; the aluminum-magnesium-manganese alloy clad steel wire is composed of a steel wire and an aluminum-magnesium-manganese alloy layer uniformly coated on the surface of the steel wire and tightly bonded to the steel wire; the preparation process comprises preparing an aluminum-magnesium-manganese alloy ingot, rolling an aluminum-magnesium-manganese alloy coil, washing the aluminum-magnesium-manganese alloy coil with hot water, pre-treating the steel wire, laser coating welding, compression drawing, and then preparing the overhead stranded wire based on the aluminum-magnesium-manganese alloy clad steel wire; the aluminum-magnesium-manganese alloy layer has a uniform thickness, so that the aluminum-magnesium-manganese alloy layer and the steel wire have high concentricity after coating, reducing exposed steel, and at the same time, the laser longitudinal coating welding makes the weld sealing high, thereby improving the corrosion resistance of the aluminum-magnesium-manganese alloy clad steel wire.

The invention provides a laser coating for a laser film and a preparation method and application thereof, and the laser coating comprises the following raw materials by mass: 115 parts of composite acrylate, 5-10 parts of a modified core-shell filler, 3-9 parts of a photoinitiator, and 0.1-1 part of a leveling agent; the composite acrylate is prepared from polypeptide modified acrylate, hydroxyethyl acrylate and polydipentaerythritol hexaacrylate, and the mass part ratio of the polypeptide modified acrylate to the hydroxyethyl acrylate to the polydipentaerythritol hexaacrylate is 1 to (0.7 to 1) to (0.8 to 1.2); the modified core-shell filler comprises a cerium dioxide core and a silicon dioxide shell. The laser coating is applied to a laser film, can enable the laser film to have excellent weather resistance, is suitable for the fields of packaging, decoration, safety anti-counterfeiting and the like, and has good practical value and market prospect.