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179 results about "Large format" patented technology
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Large format refers to any imaging format of 4×5 inches (102×127 mm) or larger. Large format is larger than "medium format", the 6×6 cm (2¼×2¼ inch) or 6×9 cm (2¼×3½ inch) size of Hasselblad, Mamiya, Rollei, Kowa, and Pentax cameras (using 120- and 220-roll film), and much larger than the 24×36 mm (0.95×1.42 inch) frame of 35 mm format.
Large-breadth cross-scale adhesive film defect detection method and device
The invention discloses a large-breadth cross-scale adhesive film defect detection method and a large-breadth cross-scale adhesive film defect detection device. The method comprises the following steps: carrying out coarse focusing on a camera and capturing a glue film image, carrying out coarse scanning on the glue film image and extracting information of a printed image-text in the glue film image by using an image difference method, inputting an output difference image into an anchor frame algorithm, inputting an output fine scanning target area coordinate into a genetic algorithm, and carrying out fine scanning on the glue film image. Outputting an optimized fine scanning path in combination with S curve planning characteristics of the motor; the motion platform is driven to complete path execution by combining double-axis linkage control with the fine scanning path, camera focusing is completed in the path execution process, and a high-resolution image of a defect area is collected and registered; and carrying out image splicing and fusion on the registered images by combining an optimal suture line algorithm with an improved Laplacian pyramid fusion method, and carrying out defect detection on the fused complete adhesive film image. The method has the advantages of high splicing precision and fast processing efficiency, and can effectively retain more detail information.
Owner:GUANGDONG UNIV OF TECH
Switchable double-laser-head machining light path system and device
According to the switchable double-laser-head machining light path system and device, a three-dimensional galvanometer and a cutting head assembly are integrated into a machining head assembly, a light path switching mechanism is adopted, two dichroscopes are horizontally moved through a sliding table, selective light splitting is conducted on wavelength setting of the two dichroscopes, and therefore the machining precision of the two dichroscopes is improved. Rapid seamless switching and light path multiplexing between a three-dimensional galvanometer machining mode and a cutting head machining mode are achieved, it is ensured that the lens angle does not need to be adjusted again or light path alignment does not need to be conducted after light path switching, coaxial CCD monitoring is adopted, according to the wavelength setting characteristics of the two dichroscopes, the wavelength differentiation design is conducted on the first illumination light source and the second illumination light source, and therefore the machining efficiency is improved. According to the multi-axis moving platform, the same CCD camera is shared by two machining modes, high-precision real-time monitoring under the double machining modes is achieved, a closed-loop control basis is provided for the laser machining process, and meanwhile, the multi-axis moving platform is matched with the two rotary table assemblies, so that laser machining can be flexibly conducted on a curved-surface workpiece within a large-format range.
Owner:ZHEJIANG MOKE LASER INTELLIGENT EQUIP CO LTD
Large Format Continuous Imaging System
A scanning inspection apparatus detects anomalies on surfaces of objects such as substrates, substrates with bonded chiplets, and carriers with singulated chiplets and the like. In some embodiments, the inspection apparatus includes a time delay integrated (TDI) linear sensor with an optical input and a data output where more than one optical assembly is positioned adjacent to each other with an optical output focused on a different segment of the TDI linear sensor and with an optical input positioned to receive a portion of a surface under examination. The apparatus may further include a platform with an upper surface for supporting an object with the surface under examination and with a motion assembly to move the platform and with a controller in communication with the motion assembly to move the platform in relation to the optical input of the optical assembly.
Owner:APPLIED MATERIALS INC
A large-format multifunctional laser cutting machine
The present invention discloses a large-format multifunctional laser cutting machine, including a cleaning and flipping mechanism, the cleaning and flipping mechanism including a stable bottom plate, a laser cutting mechanism installed on the top of the cleaning and flipping mechanism, the top of the stable bottom plate is fixedly connected to a U-shaped table frame through a bracket, and a linkage groove is provided on the rear side of the top of the U-shaped table frame. The present invention relates to the technical field of laser cutting machines. The large-format multifunctional laser cutting machine uses the cleaning and flipping mechanism and the laser cutting mechanism in combination. The arrangement of these two mechanisms enables the brush plate to clean the bottom of the cutting table and remove the solidified metal particles when the electric telescopic rod pushes the laser cutting head to descend for cutting, and when the guide rail frame moves forward, the linkage between the mechanisms can be used to unload the plate, and the cutting table can be flipped to make the clean side face up, thereby ensuring the cutting quality without affecting the cutting production, and meeting the current use.
Owner:JIANGSU CHUANGCHI INTELLIGENT MFG CO LTD
Additive manufacturing method of part
PendingCN119870500AAdditive manufacturing apparatusIncreasing energy efficiencyMechanical engineeringLarge format
The invention discloses an additive manufacturing method of a part, relates to the technical field of additive manufacturing, and aims to solve the problem that a substrate and the part deform when a large-format part is printed. The additive manufacturing method comprises the steps that a part three-dimensional model is obtained; determining a part forming direction; a margin cutting part is constructed close to the bottom face of the base plate, a supporting structure is constructed on the bottom face, close to the base plate, of the margin cutting part, a machining model is obtained, the supporting structure comprises a contour supporting piece and a plurality of internal supporting pieces, the contour supporting piece is connected with the edge area on the bottom face of the margin cutting part, and the thickness of each internal supporting piece is smaller than that of the contour supporting piece; the multiple internal supporting pieces are distributed in the area defined by the contour supporting pieces on the bottom face of the allowance cutting part at intervals. Printing based on the processing model to obtain a printed piece; and treating the printed piece to obtain the part. The supporting structure is used for supporting the bottom face of the part and used for forming the part in large-area contact with the base plate, and deformation caused by direct contact between the base plate and the bottom face of the part is avoided.
Owner:天津镭明激光科技有限公司
Economical large-breadth blue light laser weeding device with compact structure
The invention provides an economical large-breadth blue light laser weeding device with a compact structure. The device comprises a 450nm semiconductor laser (1), a collimation focusing lens module (2), an X-Y scanning galvanometer (3), a pseudo coaxial structural member (6), a dichroscope (7) and a CCD camera (8), the 450nm semiconductor laser, the collimating and focusing lens module and the X-Y scanning galvanometer are sequentially fixed together through connecting pieces, zero deflection and maximum deflection of a laser beam correspond to a central and angular beam (4) during operation, and an area which can be scanned by the blue laser beam is an irradiation surface (5); the dichroscope is mounted right below the X-Y scanning galvanometer at an angle of 45 degrees through the pseudo coaxial structural member; the CCD camera is installed below the 450nm semiconductor laser through a pseudo-coaxial structural member, and the CCD camera is matched with a lens to meet the requirement that the field of view is larger than the irradiation surface of the laser. The device has the advantages of being high in response speed and precision, large in weeding area, low in cost, small in size, convenient to integrate and the like.
Owner:HEBEI AGRICULTURAL UNIV.
Overflow groove for assisting in preparing wick and wick preparation method
The invention discloses an overflow groove for assisting in preparing a wick and a wick preparation method, and belongs to the technical field of wick preparation. The overflow groove comprises a second groove body, a liquid inlet pipe and a frame body; the liquid inlet pipe is communicated with the second tank body and the outside of the overflow tank, two non-adjacent surfaces in the frame body are hermetically connected with two non-adjacent surfaces in the second tank body, a gap is reserved between the other two surfaces in the frame body and the other two surfaces in the second tank body, the gap is used for accommodating a to-be-processed workpiece during auxiliary preparation of the wick, and an overflow port is formed in the frame body; in the preparation process, through coupling of high-speed movement of the laser galvanometer and workpiece movement and coupling of continuous machining of liquid and air, preparation of a large-breadth groove structure can be achieved, and meanwhile the size of the groove is easy to adjust. According to the method, through the design of the overflow groove, the preparation process is made into one step, high-surface-quality, high-flexibility and efficient machining of the ultra-thin metal surface large-depth-to-width-ratio primary groove structure is achieved, and the machining efficiency of the multi-stage groove structure is improved.
Owner:SUZHOU UNIV
Large-breadth flexible damage sensing material and preparation method thereof
PendingCN121292425AGrapheneElectrical/magnetic solid deformation measurementDamage sensingLaser engraving
The invention relates to a large-breadth flexible damage sensing material and a preparation method thereof, belongs to the field of intelligent material preparation, and solves the problem that large-scale preparation of the large-breadth flexible damage sensing material is difficult in the prior art. The invention discloses a large-breadth flexible damage sensing material and a preparation method thereof. The large-breadth flexible damage sensing material comprises a flexible substrate layer, a conductive layer and a packaging layer, wherein the conductive layer is superposed on the flexible substrate layer; the packaging layer covers the conductive layer; the conductive layer is made of a laser-engraved polyimide film, a functional laser-induced graphene structure and an auxiliary separation structure which are etched by a laser engraving machine are arranged on the conductive layer, and the auxiliary separation structure comprises a film through hole and an edge cutting line; the large-breadth flexible damage sensing material provided by the invention is high in fineness, stable in performance and capable of meeting large-breadth sensing application, the preparation method of the large-breadth flexible damage sensing material is simple in step and high in preparation efficiency, and the large-breadth flexible damage sensing material which is stable in performance and high in fineness can be prepared in batches.
Owner:BEIJING INST OF TECH
Rotary projection imaging device
The utility model discloses a rotary projection imaging device, which comprises a transparent upper shell, a middle shell, a lower shell and a neck shell which are sequentially assembled and connected to form a closed shell, one end of the upper shell is provided with the neck shell, the neck shell and the upper shell are integrally formed, the middle shell and the lower shell are integrally formed, and the middle shell and the lower shell are integrally formed. One end of the upper shell is clamped and sealed with the middle shell, a fixed seat is mounted on the inner top surface of the upper shell, a rotating mechanism and an imaging mechanism are mounted on the fixed seat, the rotating mechanism is connected with a rotating bracket, a strip-shaped luminous body is arranged on the peripheral surface of the rotating bracket, and the strip-shaped luminous body is electrically connected with the imaging mechanism; the upper shell and the lower shell are both designed to be of a hollow hemisphere structure, and the middle shell is designed to be of a hollow cylinder structure. The closed shell has good stability and sealing performance, is beneficial to clamping assembly, does not occupy a large space, is beneficial to suspension in a narrow space, and can project and present a dynamic picture in front of viewers in a large format.
Owner:SHANGHAI SHYLON OPTOELECTRONIC TECH CO LTD +1
Laser multi-beam etching control method, device and equipment for pole piece scribing
ActiveCN119609385AHighly integratedReduce maintenance costsLaser beam welding apparatusLine widthLight beam
The invention relates to the technical field of optical control, and discloses a laser multi-beam etching control method, device and equipment for pole piece lineation, and the method comprises the steps: obtaining an etching specification and an etching material, and determining the installation position of a lens group based on a preset laser conduction length, an etching length and an etching path; controlling the light path system to position each transflective lens according to the mounting position of the lens group, correspondingly arranging a collimation focusing group on the lower side of each transflective lens, and determining the etching speed of a focusing head in each collimation focusing group based on the etching depth and width and the material etching attribute corresponding to the etching material, each focusing head is controlled to etch the target material according to the corresponding etching speed, non-contact processing can be provided, the etching line width is small, meanwhile, the high stability and accuracy are guaranteed, a large-breadth pole piece product is compatible, the processing breadth and the pole piece lineation width are not limited by a focusing field lens any more, and the production efficiency is improved. The production efficiency is ensured; and meanwhile, the cost and the later maintenance cost are reduced.
Owner:SHENZHEN JIXIANGYUN TECH CO LTD
Galvanometer size precision calibration method
The invention relates to a galvanometer size precision calibration method. According to the galvanometer size precision calibration method, laser printing is carried out through additive manufacturing equipment so as to obtain a printing test image; using an automatic identification model to control a CCD camera to identify the coordinate value of each point in the printing test image, and obtaining a coordinate data file; obtaining a galvanometer deviation value according to the coordinate data file and the galvanometer execution file; if the absolute value of the galvanometer deviation value is larger than a preset deviation value, parameters in the galvanometer execution file are calibrated and modified according to the galvanometer deviation value, and then the step that the laser film is attached to the laser galvanometer scanning area of the additive manufacturing equipment and all the following steps are executed again till the absolute value of the galvanometer deviation value is smaller than the preset deviation value. Therefore, in the whole process, large-format pattern printing is not needed, pattern shearing and splicing are not needed, the calibration precision can be improved, the CCD camera recognition platform is easy to disassemble and assemble, the size is small, and the device has the advantages of being convenient to carry and use during after-sales service.
Owner:HU NAN YUN JIAN JI TUAN YOU XIAN GONG SI +1
Processing method and device for large-breadth thick glass
The invention provides a processing method for large-breadth thick glass, which comprises the following steps: carrying out modification processing on the large-breadth thick glass on the surface of the large-breadth thick glass along a preset processing path by utilizing Bessel laser, dividing the large-breadth thick glass into a plurality of slicing areas by using a side contour cutting line consisting of a micropore array formed on the surface of the large-breadth thick glass; positioning through a CCD (Charge Coupled Device) camera, and carrying out chamfering processing on the modified large-breadth thick glass along a side edge contour cutting line by utilizing a profiling laser beam so as to form a chamfering cutting line which is consistent with the shape of the chamfer of the glass sheet to be obtained on the side edge of each slicing area; positioning through a CCD (Charge Coupled Device) camera, and carrying out splitting along a side contour cutting line by utilizing liquid nitrogen to obtain a plurality of glass sheets; and placing the plurality of glass sheets into an etching solution for chamfering, and etching off waste materials of edge chamfers after sheet cracking along the chamfering cutting lines. Therefore, the cutting and chamfering integration of the large-breadth thick glass is realized.
Owner:BIEL OPTIC HUIZHOU +2
Large-breadth 3D printing local area double-camera grafting printing device and method
PendingCN121733814AManufacturing platforms/substratesIncreasing energy efficiency3d printManufacturing technology
The invention belongs to the technical field of 3D printing additive manufacturing, and provides a large-breadth 3D printing local area double-camera grafting printing device and method.The large-breadth 3D printing local area double-camera grafting printing device comprises an image collecting device, a high-precision ceramic calibration plate, a to-be-grafted part clamp and a printing equipment upper computer; the double cameras are fixed on an equipment top plate through supports, the field of view of the large-field-of-view camera completely covers the whole breadth of the substrate, and the field of view of the small-field-of-view camera completely covers a local area to be grafted; the calibration plate is divided into two specifications of adaptive double cameras, the clamp can be used for detaching and fixing parts and leveling a grafting surface, and the upper computer is electrically connected with the double cameras and the printing equipment to receive positioning data and adjust a printing model; according to the method, the grafting precision is smaller than or equal to 0.1 mm, the total cost of the double cameras is reduced, the manual workload is reduced, the problems that according to an existing scheme, coverage and precision are contradictory, cost is high, and automation is low are solved, and the method is suitable for large-format 3D printing local grafting scenes.
Owner:XIAN AEROSPACE MECHATRONICS & INTELLIGENT MANUFACTURING CO LTD
Grating interference exposure system and method
PendingCN119511638AHigh precisionDiffraction gratingsPhotomechanical exposure apparatusInformation opticsGrating
The invention discloses a grating interference exposure system and method, and relates to the technical field of information optics, and the grating interference exposure system comprises a coherent light generation assembly, a first interference exposure assembly, a second interference exposure assembly, a mechanical motion assembly, a pose correction assembly, a control assembly, at least one reference grating and a substrate, the substrate and the at least one reference grating are arranged on the mechanical motion assembly at intervals, and the substrate is coated with a photosensitive material. The coherent light for exposure is additionally led out of the exposure area needing exposure through the first interference exposure assembly and the second interference exposure assembly, namely the reference grating, and the pose error between the interference exposure field on the substrate and the mechanical motion system is corrected by using the pose correction assembly. The limitation of one-dimensional splicing of traditional splicing exposure is broken through, pose correction of an interference exposure system under two-dimensional splicing of any number of times can be realized, and a high-precision large-breadth grating is prepared.
Owner:APPOTRONICS CORP LTD
Rotary liquid spraying 3D projection method, device and system
The invention relates to the technical field of stereo projection, and provides a rotary liquid spraying 3D stereo projection method, device and system, and the device comprises a rotary liquid spraying module, a projection module and a control module. According to the specific working mode, the rotary liquid spraying module sprays a liquid level and sends a rotation position signal to the control module, so that the rotation angle corresponding to the current liquid level is determined, and the control module controls the projection module to project an image corresponding to the liquid level at the current rotation angle; within a short time of a rotation period, the projection module continuously switches and projects images corresponding to liquid levels at different rotation angles, which is a complete refresh of 3D stereo projection; by using the persistence of vision, through rapid rotation and projection of an image of a corresponding rotation angle, a 3D image can be viewed from any angle. The technical route is easy to implement, the 3D projection effect is good, and large-format 3D projection can be achieved through array arrangement.
Owner:HEFEI HUAHUA MENGLAN TECHNOLOGY CO LTD
Large-format marking method and system based on laser galvanometer
ActiveCN120269168AComplex mathematical operationsLaser beam welding apparatusLaser processingAlgorithm
The invention discloses a large-format marking method and system based on a laser galvanometer. The method comprises the steps that machining data are acquired; analyzing according to the processing data, and determining a continuous track in the processing data as a marking stack or a cutting stack; each marking stack and each cutting stack are respectively determined as a machining area, and each machining area is sequentially machined through a galvanometer system; in the machining process, the geometric error delta E of the adjacent machining areas is calculated based on the machining sequence, and the machining coordinates of all the machining areas are corrected through the geometric error delta E. The invention provides a dynamic optimization technology integrating error pre-compensation of forced splicing and intelligent splicing, and high precision, high efficiency and strong robustness of large-format laser processing are realized.
Owner:SHENZHEN RUIDA TECH CO LTD
Annular motion machine for large-format laser surface treatment
ActiveCN222569592Ueasy to handleheight adjustableIncreasing energy efficiencyLaser beam welding apparatusElectric machineryMachine
The utility model discloses an annular motion machine for large-breadth laser surface treatment, which comprises a first connecting seat, a first motor mounted at one end of the first connecting seat, a second connecting seat connected to the output end of the first motor, a sliding part mounted at the bottom of the second connecting seat, and a laser head slidably connected to the sliding part. The laser head can move through the adjusting assembly, the second connecting base can be driven to rotate by starting the first motor, so that the laser head is driven to rotate, annular movement is achieved, the adjusting assembly is operated, the laser head can slide along the sliding piece, and the distance between the laser head and the rotating circle center can be adjusted. Compared with the prior art, the diameter of the annular movement track is adjusted, annular movement can be carried out, the position of the laser head can be adjusted according to the size of a workpiece for adaptation, and laser surface treatment can be carried out more conveniently.
Owner:SHANDONG WEIKETAI LASER TECH CO LTD
A bending machine deformation detection mechanism
The application discloses a bending machine deformation detection mechanism and method, which comprises a deformation sensor and a control system; the bending machine comprises a lower side plate and a slider located directly above the lower side plate, and the height of the slider can be lowered; a deformation proportionality coefficient K is built in the control system; wherein the deformation proportionality coefficient K is the ratio of the elastic deformation A of the slider to the elastic deformation B of the lower side plate; the deformation sensor is arranged on the lower side plate or the slider and can be used for detecting the elastic deformation of the lower side plate or the slider. The application can realize real-time detection of bending deformation while saving cost. Especially when bending a large-format thick plate, the bending precision of the plate can be improved, and the waste of the plate can be reduced. Especially when the application is equipped with the function of an intelligent bending production line, closed-loop real-time intelligent automatic control can be realized. Further, the application can calculate and compensate the initial deviation of the upper and lower dies, so that the installation and debugging are more convenient.
Owner:NANJING UNIV OF POSTS & TELECOMM
Shutter assembly and slit-type large-format scanning camera
The utility model relates to the technical field of optical devices, in particular to a shutter assembly and a slit type large-format scanning camera, the shutter assembly comprises a film box, a slit scanning mechanism and a linear driving mechanism, and a photosensitive component is arranged in the film box; the gap scanning mechanism comprises a bearing part and a rigid insertion sheet; the bearing part is in guide fit with the film box; the rigid insertion sheet is inserted into the film box, two ends of the rigid insertion sheet are fixed on the bearing component, and a gap is formed in the rigid insertion sheet; the linear driving mechanism comprises a supporting part, a driving part and a transmission part, and the driving part is arranged on the supporting part; the transmission part is arranged on the supporting part and is in transmission fit with the driving part, and the transmission part is connected with the bearing part. According to the utility model, the driving part and the transmission part in the linear driving mechanism are matched to realize the rapid and slow linear motion of the bearing part, so as to drive the rigid insertion sheet to stably scan the photosensitive part and ensure that the light is irradiated on the photosensitive part in an accurate slit form, and the high-quality and high-resolution imaging effect can be obtained.
Owner:TSINGHUA UNIVERSITY
Laser micro-drilling and cutting device and method for metal foil lead frame
The application belongs to the technical field of precision laser processing, and specifically discloses a laser micro-drilling and cutting device and method for a metal foil lead frame, which comprises a processing platform, a clamp, a three-axis motion system, a scanning galvanometer and an ultraviolet nanosecond pulse laser. The clamp applies a pre-tension to the metal foil through a screw rod mechanism and integrates a laser displacement sensor to monitor thermal deformation in real time. The three-axis motion system and the scanning galvanometer cooperate to realize three-dimensional accurate positioning, and a reflection system dynamically regulated by multiple mirrors is combined to ensure that the laser is vertically incident. The method comprises clamping and focusing, image processing and path planning, multi-directional scanning processing and post-processing. The application solves the problems of thermal deformation suppression and micron-level feature accuracy maintenance in large-format processing through optical-mechanical coupling multi-axis linkage control, has the advantages of high precision, environmental protection and high efficiency, and is suitable for the preparation of ultra-thin metal foil lead frames.
Owner:NANTONG QUANLAI TECHNOLOGY CO LTD
Module assembly structure of splicing type large printing advertisement
Owner:HUAIAN MARVELLOUS PACKAGING PRINTING CO LTD
A laser etching device and method for large-format large-size samples
The application provides a laser etching device and method for large-format and large-size samples, and aims to solve the technical problem that the laser processing mode of linkage of the fast axis and the slow axis of the existing galvanometer causes the non-uniform processing speed of different pattern segments due to the speed difference of the fast axis and the slow axis, and forms the splicing trace with inconsistent response speed when facing complex filled patterns. The laser etching method for large-format and large-size samples provided by the application is realized by the laser etching device for large-format and large-size samples composed of a laser scanning part, a sample movement part, a bracket and a controller, and the method of combining "trajectory decomposition + multi-layer filling" is adopted to realize the laser etching processing without splicing traces, thereby avoiding the splicing trace problem caused by the inconsistent speed response of the traditional linkage system of the fast axis and the slow axis, and ensuring the reliability and consistency of the large-area etching processing.
Owner:XIAN INST OF OPTICS & PRECISION MECHANICS CHINESE ACAD OF SCI
Large-format cross-scale adhesive film defect detection method and device
The application discloses a large-format cross-scale adhesive film defect detection method and device. The method comprises the following steps: rough focusing of a camera and capturing an adhesive film image, rough scanning of the adhesive film image and extraction of information of printed graphics in the adhesive film image by using an image difference method, input of an output differential image into an anchor frame algorithm, input of output fine scanning target region coordinates into a genetic algorithm, combination of motor S-curve planning characteristics to output an optimized fine scanning path; driving a motion platform to complete path execution by using a double-shaft linkage control combined with the fine scanning path, focusing of the camera during path execution, collection of high-resolution images of defect regions and registration, image stitching and fusion of the registered images by using an optimal seam line algorithm combined with an improved Laplacian pyramid fusion method, and defect detection on the complete adhesive film image after fusion. The application has high stitching accuracy, fast processing efficiency, and can effectively retain more detailed information.
Owner:GUANGDONG UNIV OF TECH
Connecting mechanism for large-format scanner
The utility model discloses a connecting mechanism for a large-format scanner, which comprises a scanner upper frame body, a scanner upper frame bottom plate, a fixed connecting assembly and a movable connecting assembly, and the scanner upper frame body and the scanner upper frame bottom plate are made of different materials. And the scanner upper frame bottom plate is movably connected with the scanner upper frame body through a group of fixed connecting assemblies and a plurality of groups of movable connecting assemblies. By means of the mode, according to the connecting mechanism for the large-format scanner, the fixed connecting assembly and the movable connecting assembly are matched with each other, so that when products are transported, stored and used under different temperature conditions, the products are convenient to transport, store and use, and the working efficiency is improved. The problem of deformation of product parts caused by internal stress due to different length changes of different materials during thermal expansion and cold contraction can be reduced or avoided, the product quality and the functional effectiveness and stability are greatly improved while the stability of the overall structure of the product is guaranteed, disassembly and assembly are convenient, and the working efficiency is improved.
Owner:SUZHOU GELAIBO SCAN CO LTD
Laser etching device and method for large-breadth and large-size sample
The invention provides a laser etching device and method for a large-breadth large-size sample, which are used for solving the problems that when an existing galvanometer axis and motion axis linkage laser processing mode faces a complex filled pattern, due to the response speed difference of a fast axis and a slow axis, the processing speed of different pattern sections is not uniform, and the processing efficiency is low. And splicing traces with inconsistent response speeds are formed. According to the laser etching method for the large-breadth and large-size sample provided by the invention, the laser etching device for the large-breadth and large-size sample is composed of a laser scanning part, a sample moving part, a bracket and a controller, and laser etching processing without splicing traces is realized by adopting a method of combining'track decomposition and multilayer filling '; the problem of splicing traces caused by inconsistent speed response brought by a traditional fast and slow axis linkage system is avoided, and the reliability and consistency of large-area etching processing are guaranteed.
Owner:XIAN INST OF OPTICS & PRECISION MECHANICS CHINESE ACAD OF SCI
Large format sub-pixel micro-scanning printing method, printing device and printing control system
The present application provides a large-format sub-pixel micro-scanning printing method, including: determining the periodic unit size of the metamaterial used for the model to be printed, wherein the metamaterial has a plurality of periodically arranged pattern units, and the diameter and / or side length of each pattern unit is the periodic unit size; adjusting the optical imaging size according to the periodic unit size of the metamaterial; slicing the model to be printed to obtain two or more layers of slices, and calculating a plurality of scanning position coordinates on each layer of slices; and traversing the plurality of scanning position coordinates on each layer of slices and performing exposure and curing. The large-format sub-pixel micro-scanning printing method, printing device, and printing control system of the present application can realize high-precision and high-efficiency three-dimensional printing of metamaterials.
Owner:COMMUNICATION UNIVERSITY OF CHINA
Large-format glass laser cutting machine
The utility model provides a large-format glass laser cutting machine, which relates to the technical field of glass cutting and comprises a frame body, a cutting moving mechanism and a laser component are arranged on the frame body, and the laser component comprises a laser cutting head. The cutting moving mechanism comprises an X-axis linear motor movement module, the X-axis linear motor movement module is connected with a Z-axis servo motor movement module in a sliding mode, the laser cutting head is connected to the Z-axis servo motor movement module, and the two ends of the X-axis linear motor movement module are connected with Y-axis linear motor movement modules in a sliding mode. The laser cutting device has the advantages that the laser cutting head is driven by the cutting moving mechanism to be adjusted in the X-axis direction, the Y-axis direction and the Z-axis direction, the adjusting flexibility is high, the laser cutting head can cut various positions, the distances between the belt conveying assemblies are the same, and when large-breadth glass is conveyed, the conveying efficiency is greatly improved. The multiple belt conveying assemblies can support the glass from multiple points, the weight of the glass is evenly shared, and the flatness of the glass in the conveying process is guaranteed.
Owner:GUDETECH CO LTD
Large-format laser bevel cutting equipment and use method
The present invention relates to the field of laser cutting technology, specifically to a large-format laser bevel cutting device and a method for using the device, comprising a fixed bottom box, a first stabilizing plate and a stabilizing frame fixedly mounted on the top of the fixed bottom box, a second stabilizing plate movably mounted on the top of the fixed bottom box, and a fixing mechanism movably mounted on the side surfaces corresponding to each other of the first and second stabilizing plates. The large-format laser bevel cutting device and method for using the device are configured with a fixing mechanism, and the output shaft of the micro-drive motor drives the connecting rod and the first gear to rotate, and the first gear engages with the second gear to drive the second gear and the internal threaded fixed cylinder to rotate. At the same time, due to the limiting effect of the clamping plate and the limiting protrusion, the threaded push rod is shortened toward the middle portion inside the internal threaded fixed cylinder, so that the clamping plate and the fixing block are gradually brought closer to the outside of the pipe body, and the pipe body is quickly fixed.
Owner:CHINA MACHINERY CNC TECH FUJIAN CO LTD
A large-format marking method and system based on laser galvanometer
ActiveCN120269168BComplex mathematical operationsLaser beam welding apparatusLaser processingAlgorithm
The present invention discloses a large-format marking method and system based on a laser galvanometer. The method comprises: acquiring processing data; analyzing the processing data and determining continuous trajectories in the processing data as marking stacks or cutting stacks; defining each marking stack and each cutting stack as a processing area, and sequentially processing each processing area using a galvanometer system; during the processing process, calculating the geometric error ΔE between adjacent processing areas based on the processing sequence, and correcting the processing coordinates of each processing area based on the geometric error ΔE. The present invention provides a dynamic optimization technology that integrates error pre-compensation for forced splicing with intelligent splicing, achieving high precision, high efficiency, and strong robustness in large-format laser processing.
Owner:SHENZHEN RUIDA TECH CO LTD
Large-breadth flexible damage sensing material and preparation method thereof
PendingCN121849931Aavoid destructionincrease success rateGrapheneElectrical/magnetic solid deformation measurementLaser engravingThin membrane
The invention relates to a large-breadth flexible damage sensing material and a preparation method thereof, belongs to the field of intelligent material preparation, and solves the problem that large-scale preparation of the large-breadth flexible damage sensing material is difficult in the prior art. The invention discloses a large-breadth flexible damage sensing material and a preparation method thereof. The large-breadth flexible damage sensing material comprises a flexible substrate layer, a conductive layer and a packaging layer, wherein the conductive layer is superposed on the flexible substrate layer; the packaging layer covers the conductive layer; the conductive layer is made of a laser-engraved polyimide film, a functional laser-induced graphene structure and an auxiliary separation structure which are etched by a laser engraving machine are arranged on the conductive layer, and the auxiliary separation structure comprises a film through hole and an edge cutting line; the large-breadth flexible damage sensing material provided by the invention is high in fineness, stable in performance and capable of meeting large-breadth sensing application, the preparation method of the large-breadth flexible damage sensing material is simple in step and high in preparation efficiency, and the large-breadth flexible damage sensing material which is stable in performance and high in fineness can be prepared in batches.
Owner:BEIJING INST OF TECH