522 results about "Surface flatness" patented technology

The invention provides a color steel plate coating flatness evaluation method and system based on artificial intelligence. According to the method, the three-dimensional point cloud data is generated by collecting the interference fringe image, and the surface fluctuation characteristics are quantified; capturing a multi-dimensional vibration spectrum of the transmission roller shaft, generating a servo motor compensation control signal, driving a multispectral scanning head to perform reverse displacement compensation, and generating real-time compensation data; inputting the surface topography features in the three-dimensional point cloud and the real-time compensation data into a lightweight convolutional neural network, and outputting fusion features; and dynamically classifying and identifying surface defects and uneven areas based on the fusion result, adjusting a classification threshold in combination with the speed of the production line, outputting a flatness evaluation result, and synchronizing the flatness evaluation result to a speed regulation system of the production line to realize closed-loop optimization. According to the method, laser interference, vibration compensation and lightweight AI technologies are fused, dynamic high-precision evaluation of the surface flatness of the color steel plate of the high-speed production line is achieved, and the problems of defect misjudgment and measurement distortion caused by vibration interference are solved.

The invention relates to the field of laser detection, and discloses a shaving board processing-based surface flatness detection device which comprises a base, a plurality of conveying rods are arranged at the side part of the base, a wood board is placed on the conveying rods, a detection box is fixedly mounted at the top end of the base, and a laser detector is fixedly mounted in the center of the top of the detection box. The laser detector is used for detecting the flatness of the surface of the wood board, a detection auxiliary device is fixedly installed on the side portion of the base located on the lower portion of the detection box, and a grinding device is arranged on the detection auxiliary device; the two rollers in the detection auxiliary device clamp a wood board, the detection plate is leveled to make contact with the side face of the wood board, a half gear is driven to rotate when the wood board inclines, the half gear is meshed with teeth, the position of a lifting block is adjusted, and even if the edge of the wood board protrudes, the edge of the wood board does not protrude. The lifting block can still be adjusted to enable the board to be in a horizontal position, so that the detection precision of the laser detector is improved, and the influence of board inclination on the detection of the laser detector is reduced.

The invention discloses a building precast beam section surface flatness detection method, and belongs to the technical field of building detection. Comprising the following steps: step 1, acquiring three-dimensional point cloud data of an original surface; 2, preprocessing the original point cloud data to obtain a purified point cloud data set; 3, constructing a bicubic parameter curved surface fitting model on the purification point cloud data set, introducing a curved surface curvature calculation formula, and establishing a beam section surface theoretical flatness model; step 4, iteratively extracting sample points from the point cloud data to fit a local plane, calculating distance distribution from all the point cloud data to the local plane, performing comparative analysis on the distance distribution and a theoretical flatness model, and comprehensively obtaining a flatness score of the surface of the beam section; 5, early warning is carried out on the area where defects possibly exist, and a defect thermodynamic diagram is output; and step 6, establishing a flatness evaluation system, determining a quantitative judgment standard of qualification or not, and dividing the precast beam sections into qualified products and unqualified products.

The invention provides an optimization method for parameterization design of a steel formwork, and belongs to the technical field of building construction.The optimization method comprises the steps that a non-uniform rational B-spline surface parameter equation is established, steel formwork block parameterization design is carried out on the basis of the surface parameter equation, and a thickness distribution function and back arris spacing parameters are generated; constructing a support system mechanical parameterization model to determine support spacing optimization parameters and rod piece section sizes, and solving a double-layer decision-making system comprising an upper-layer template deformation minimization decision-making model and a lower-layer concrete surface flatness optimization response model by applying a game optimization algorithm; and a digital manufacturing instruction is generated to establish a mapping relation between a template number and geometric characteristics, a quality real-time monitoring system is established, configuration parameters are dynamically adjusted through a template adaptability evaluation function, and the technical problem that template deformation control is inaccurate due to the fact that design of the special-shaped concrete structure steel template lacks accurate parameterized optimization is solved.

The invention discloses a novel plastic product defect automatic detection device, and relates to the technical field of detection devices, the novel plastic product defect automatic detection device comprises a box body, an inner cavity of the box body is provided with a row of conveying rollers, the conveying rollers are used for intermittently conveying plastic product plates to be detected, and the inner cavity of the box body is provided with a detection assembly for performing defect detection treatment on the plastic product plates. According to the novel plastic product defect automatic detection device, the surface flatness of a plastic product plate is detected through the balls, when protrusions or recesses are detected, marking materials of different colors can be discharged through corresponding channels, marks are reserved at defect positions, operators can conveniently and visually judge whether the defect types are protrusions or recesses, and the detection efficiency is improved. A clear indication is provided for subsequent repair or replacement, the marking materials with two colors are accurately segmented by using the first partition plate and the second partition plate, the marking materials are ensured to accurately correspond to the convex or concave positions on the surface of the plastic product plate, and the marking accuracy and reliability are improved.

The invention relates to the technical field of steel template detection equipment, and discloses a surface flatness detection device based on steel template production, which comprises a detection table, two mounting seats are fixedly mounted at the top of the detection table, driving gears are movably connected to the middle sides of the interiors of the mounting seats through bearings, and two guide rails are mounted at the tops of the mounting seats. Two connecting plates are slidably connected outside the guide rail, a telescopic rod is mounted at the top of the mounting seat, a driving rack is mounted on the outer side of the mounting seat, and the telescopic end of the telescopic rod is fixedly connected with the outer sides of the connecting plates. According to the invention, stable and accurate clamping of steel templates with different shapes and sizes is realized, the device can effectively adapt to steel templates with different specifications, frequent clamp replacement or complex adjustment is not needed, the universality and flexibility of detection are greatly improved, the device is matched with a high-precision optical flatness measuring instrument, non-contact measurement can be carried out on the surface of the steel template, and the detection precision is improved. And the accuracy and the reliability of a measurement result are ensured.

The invention discloses a method for detecting the flatness of a prefabricated wall with holes based on point cloud, and the method comprises the steps: firstly collecting the point cloud data of the surface of the prefabricated wall, and constructing a point cloud data set of the surface of the prefabricated wall; carrying out downsampling processing on the point cloud data in the point cloud data set by adopting a curvature feature and adjacent point normal vector angle dual-threshold screening mechanism; aligning the point cloud data after downsampling processing with a BIM model of the prefabricated wall, marking a hole area, generating a hole area mask, and eliminating interference of invalid data of the hole area; and finally, fitting a global reference plane based on a curvature compensation RANSAC algorithm, calculating a deviation value between the central point of the local curved surface and the global reference plane through a dynamic window, and evaluating the surface flatness of the prefabricated wall body. According to the method, the detection precision and efficiency are improved, noise interference of invalid data in a hole area is avoided, construction defect information is reserved, and the robustness of prefabricated wall surface flatness detection is improved.

The invention discloses a preparation method of a PCB, and the method comprises the steps: preparing a high polymer material into a solution, and adding a nanoscale pore-forming agent to form a mixture; coating the mixture on the surface of a PCB substrate; grinding the surface of the PCB substrate; etching is carried out on the PCB substrate; carrying out chemical plating on the etched PCB substrate; performing electrochemical deposition of a metal layer on the PCB substrate subjected to chemical plating treatment to obtain a metal-clad plate; and performing outer-layer circuit manufacturing on the metal-clad plate to obtain the PCB. According to the PCB prepared by the preparation method disclosed by the invention, the surface roughness is reduced, the surface flatness of the PCB is improved, the binding force between the substrate and the metal layer is improved, and the signal loss of the PCB can be greatly reduced; and meanwhile, the production process flow is shortened, the production cost is reduced, and the production efficiency is improved.

The invention provides an electric arc additive and subtractive composite manufacturing method and device for a cross structure based on low surface roughness. The device comprises an electric arc additive manufacturing forming system, a milling and subtractive system and a three-dimensional scanning detection system. Firstly, cross structure characteristics are analyzed, an additive manufacturing program is generated through an electric arc additive manufacturing forming system, and a layer is added; secondly, the flatness S, the average height # imgabs0 #, the weld reinforcement h and the height D of each position of the formed surface are analyzed through a three-dimensional scanning detection system, and whether the flatness S exceeds a specified value or not is judged; and finally, material increasing and decreasing judgment is conducted, and if # imgabs1 # imgabs2 #, material decreasing is conducted through a milling and cutting material decreasing system. And if # imgabs3 #, additive repair welding is conducted through an electric arc additive manufacturing forming system. In combination with a three-dimensional scanning detection system, flatness feedback of the formed surface can be obtained in real time, material increasing and decreasing are conducted in time in the cross structure forming process, the roughness of the formed surface of the cross structure is effectively reduced, and the forming precision is improved.

The invention provides a method for grinding and cleaning a wafer back under an advanced process node, and the method comprises the steps: 1, carrying out the polishing of the wafer back, and improving the surface flatness of the wafer back; and 2, cleaning the wafer back, and removing particle defects on the surface of the wafer back. And particles on the surface of the wafer back are removed, and the surface of the wafer back reaches a certain flatness, so that Focus Spot during subsequent photoetching treatment on the wafer is avoided.

The invention discloses an injection mold for multicolor injection molding and a production process thereof, a set of machine vision on-line inspection system with pattern detection and surface flatness detection is integrated, pattern detection is performed on a specific part of a formed part A through optical screen detection, horizontal and vertical coordinates of an actual contour are compared with a preset range, and the pattern of the specific part A is detected. Then, the surface flatness of the part is objectively evaluated by analyzing reflected light distribution on the surface of the part, whether a qualified matrix is provided for second injection or not is judged, and key quality attribute judgment on the intermediate product A before second injection is achieved; according to the method, the waste of raw materials, energy and working hours caused by the fact that known waste products continue to be subjected to second injection is effectively prevented, meanwhile, the position precision and visual definition of final multi-color products at the joints of different colors are guaranteed, the defects of boundary line distortion, blooming and the like are overcome, and the production yield and the resource utilization rate are remarkably increased.

The invention provides a method for machining a slotted hole by using a milling cutter, and relates to the technical field of PCB (Printed Circuit Board) machining, and the method comprises the following steps: determining slotted hole design parameters, selecting a matched hard alloy forming milling cutter according to a milling cutter specification experiment table verified by a large number of experiments, accurately calibrating a machining initial position through a CCD (Charge Coupled Device) visual positioning system, and adopting a milling cutter one-time drilling forming process. The method comprises the following steps: continuously cutting by matching with optimized cutting parameters, monitoring a cutting state in real time in a machining process, carrying out multi-dimensional detection on a slotted hole angle, surface flatness and dimensional precision after machining, adjusting parameters by referring to an error recording table when the slotted hole is unqualified, and carrying out re-machining through milling cutter structure optimization, a one-time forming process and standardized parameter matching. According to the invention, the defects of the traditional process are effectively eliminated, the processing specification is unified, the production efficiency and the product percent of pass are improved, the batch production requirements of high-precision PCB products are met, and the technical problems of large slot angle, concave-convex cutting points, uneven quality and the like in the traditional slot cutter processing are solved.

The invention relates to the technical field of TRD construction method cutting box equipment, and discloses a TRD-based foundation pit construction wall forming device which comprises a cutting box, the cutting box is divided into an upper half part and a lower half part, the upper half part of the cutting box comprises a first support, and one side of the bottom end of the first support is in pin joint with a main guide wheel; a hydraulic cylinder set is fixedly installed on the left side of the middle of an inner cavity of the first support, the output end of the hydraulic cylinder set is in pin joint with a second shaft rod, the bottom end of the second shaft rod is in pin joint with an auxiliary guide wheel, and the bottom of the auxiliary guide wheel is in pin joint with the main guide wheel through a first through groove. According to the foundation pit construction wall forming device based on TRD, the auxiliary guide wheels are arranged, so that the cutting tool row rotationally moving to the bottom position can make large-area contact with the ground, the stress of the upper end and the lower end of the cutting box in the longitudinal pushing and cutting process is effectively reduced, the inclination phenomenon is not likely to happen, and the cutting efficiency is improved. And the surface flatness of the formed construction method wall is good.

The invention relates to the technical field of image processing, and provides a pipe fitting stretching surface feature extraction method, which comprises the following steps: obtaining a surface image of a pipe fitting stretching surface, and obtaining an initial edge image of the pipe fitting stretching surface through edge detection; quantifying the surface concavity and convexity of the stretching surface of the pipe fitting based on the pixel gradient difference expression of the stretching surface of the pipe fitting; combining the spectrogram width of the initial edge image and the amplitude fluctuation condition of the high-frequency component to obtain the surface roughness influence degree of the stretching surface of the pipe fitting; the glossiness difference of all pixel points of the pipe fitting stretching surface is analyzed, and the surface flatness degree of the pipe fitting stretching surface is obtained; obtaining the surface roughness scattering degree of the stretching surface of the pipe fitting; edge continuity of edge detection is determined, and final optimization parameters of edge detection are obtained; and obtaining a final edge image, and carrying out feature extraction on the pipe fitting stretching surface based on the edge expression in the final edge image. The invention aims to solve the problem of feature loss caused by incapability of accurate extraction due to surface quality interference in a pipe fitting stretching surface feature extraction process.

The utility model provides a sealing metal sheet, a battery monomer and a battery, and relates to the technical field of batteries. The sealing metal sheet is used for sealing a liquid injection hole of a battery monomer, the sealing metal sheet comprises a body, the body is provided with a first surface which is configured to deviate from the interior of the battery monomer, and the first surface is provided with a sinking table. By arranging the sinking table, the molten metal material which does not flow into the space between the sealing metal sheet and the cover plate can be guided to flow into the sinking table, so that the molten metal material is prevented from being accumulated at the periphery of the sealing metal sheet, the surface flatness of the sealing metal sheet after welding can be improved, and the welding stress is reduced. Thus, the structural uniformity of the sealing metal sheet can be improved, the stress state of the sealing metal sheet can be improved, and finally the welding quality between the sealing metal sheet and the cover plate can be improved.

The invention relates to the technical field of tunnel construction quality detection, in particular to a tunnel initial spraying concrete spraying quality detection method based on a visual technology, which comprises the following steps: S1, arranging an automatic cleaning device at the front end of equipment through multi-modal sensor fusion and a self-adaptive exposure denoising algorithm in combination with a multi-information joint correction technology, and performing multi-modal sensor fusion and self-adaptive exposure denoising; through original point positioning calibration, high-precision robust acquisition of three-dimensional coordinates and apparent vector data of the spraying and mixing surface in a complex environment is carried out. Through multi-modal sensor fusion, anti-interference processing and accurate calibration, high-precision robust acquisition of the spraying and mixing surface data in a complex tunnel environment is ensured, a reliable data basis is provided for subsequent detection and control, the spraying and mixing surface flatness control precision is effectively improved, the material loss rate is reduced, and the working efficiency is improved. And the strategy can be adaptively adjusted according to geological conditions and construction states, and the construction efficiency and safety are both considered.

The invention discloses a single-line laser medium plate surface flatness measuring method and system, and belongs to the field of metallurgical equipment intellectualization, and the method comprises the steps: obtaining a laser line image of a to-be-measured medium plate, the laser line image being an image obtained by carrying out laser line projection on the medium plate through line lasers in the longitudinal direction and the transverse direction; collecting a cross point of the projected laser rays in two sequentially adjacent laser ray images, and correcting according to the cross point of the projected laser rays; performing image preprocessing on the laser line image, performing laser contour line extraction on the preprocessed laser line image, and obtaining an area surrounded by the extracted laser contour line; according to the area surrounded by the extracted laser contour line and the standard area, the surface straightness of the medium-thickness plate is obtained through calculation; the calculation precision and stability of the straightness of the medium-thickness plate are improved.

The invention is applied to the technical field of flatness detection, and discloses a flatness detection mechanism which comprises a workbench, a switching linear module is fixedly arranged on the upper surface of the workbench, a switching seat is mounted on the surface of the switching linear module, and a laser detector is fixedly mounted at the upper end of the switching seat. And a feeding mechanism is arranged on the upper surface of the workbench, and efficient detection of the flatness of the surface of the material through a laser detector is achieved by positioning and conveying the material. According to the flatness detection mechanism, the combination of the feeding linear module and the feeding seat is matched with the guiding of the limiting plate to the plate, so that the bearing plate and the plate placed on the bearing plate can be accurately conveyed to a designated position, the problem of plate position deviation in the traditional feeding process is solved, the plate can accurately enter a detection area of a laser detector, and the detection efficiency is improved. It is guaranteed that the laser detector can comprehensively and accurately scan the surface of the plate according to the preset path, and the high-precision advantage of laser detection is brought into full play.

The invention discloses a dustproof marble grinding machine, belongs to the technical field of marble grinding, and aims to overcome the defects of a manual cleaning mode and the problems that the strength is difficult to control accurately during marble grinding, local over-grinding or under-grinding phenomena occur, the surface of marble is uneven, and the grinding quality is affected. A mounting frame is fixed to the side wall of the grinding machine body, a concentric-square-shaped base is mounted on the mounting frame, a U-shaped sliding base is slidably connected into the concentric-square-shaped base, a second motor is fixedly connected to the top face of the U-shaped sliding base, a rotating rod is fixedly connected to the output end of the second motor, and a grinding assembly is mounted at the bottom of the rotating rod. According to the marble polishing machine, the pressure of the polishing head is accurately controlled, excessive polishing or insufficient polishing is avoided, the surface flatness of marble is improved, the pothole defect is eliminated, the polishing area is completely covered and cleaned, dead corners are eliminated, the hidden danger of scratching of mud blocks and dust is reduced, the rework rate is reduced, and the operation quality and efficiency are improved.

The invention relates to the technical field of packaging box detection, in particular to a packaging box printing quality intelligent detection device which comprises a machine table and a conveyor, the conveyor is transversely installed on the upper surface of the machine table, a packaging box is conveyed from left to right through the conveyor, and a plurality of partitions are installed on a conveying belt of the conveyor at equal intervals. The partitions play a role in limiting when the packaging boxes are conveyed. The height of the packaging box can be accurately calculated, the surface flatness can be judged through the current extreme value difference, subjective errors of traditional manual detection are avoided, objective and reliable basic data are provided for follow-up printing quality evaluation, the limitation that a shooting assembly needs to be manually and gradually adjusted in traditional equipment is broken through, and the detection accuracy is improved. According to the invention, the self-adaptive matching of the detection module to the packaging boxes with different sizes is realized, the detection preparation time is shortened, the detection efficiency in unit time is obviously improved, the real-time linkage of the detection result and the sorting action is realized, and the missing detection or misjudgment of manual sorting is avoided.

The invention relates to the technical field of carbon anode roasting furnaces, and provides an anode roasting furnace cross wall building method which comprises the steps that a cross wall deformation area is measured, and a cross wall is judged to be a deformed cross wall according to a comparison result between measured data and a preset deformation threshold value; the damage degree of the flame path wall in the adjacent direction of the deformed cross wall and the cross walls on the two sides is checked, and the deformed cross wall is dismantled layer by layer under the condition that preset requirements are met; the method comprises the following steps: cleaning broken bricks and aluminum silicate fiber scraps at the bottom of a furnace, inlaying and repairing a damaged base surface of the bottom of the furnace, smearing high-temperature cement gum with the thickness of 2mm-4mm on the base surface, laying refractory bricks with preset specifications on the base surface, laying aluminum silicate fiber blankets with the thickness of 20mm on two sides of each layer of refractory bricks, and detecting the perpendicularity of a newly-built cross wall when the building height reaches 1m; continuously constructing until a constructed target transverse wall is formed; and the wall surface flatness of the target cross wall is detected, and ultrasonic flaw detection is conducted on the target cross wall. According to the method, the transverse wall repairing quality and the furnace body stability are improved.

The utility model relates to the technical field of use of annealing furnaces, in particular to a workpiece supporting structure in an annealing furnace, which is used for supporting a workpiece main body to avoid damage to the surface flatness and integrity of the workpiece, so that the safety and the high efficiency in the production process are improved, favorable conditions are created for stable operation of a production line, and the production efficiency is improved. The refractory brick structure of the supporting assembly can provide strong supporting performance in a high-temperature environment, stability of a workpiece in the annealing process is ensured, workpiece deformation or damage caused by insufficient supporting in the heat treatment process is avoided, meanwhile, the refractory bricks have high temperature resistance and oxidation resistance, and the service life of the refractory bricks is prolonged. The service life of the supporting structure is prolonged, and the stability of the internal environment of the annealing furnace is ensured while the production efficiency is improved.

The utility model provides a device for measuring the surface flatness of a titanium strip coil of a plate heat exchanger, and relates to the technical field of workpiece quality detection. Comprising a horizontal guiding rule and a measuring rule. The horizontal guiding rule comprises a guiding rule main body and a horizontal guide rail arranged on one side of the guiding rule main body; the measuring scale is used for measuring the unevenness of the surface of the titanium strip coil, and the at least one measuring scale is movably connected with the horizontal guide rail. According to the utility model, the at least one measuring ruler is arranged on the horizontal guiding ruler, so that the at least one measuring ruler is adopted to measure different positions of the surface of the titanium strip coil according to measurement requirements, data corresponding to the number of measuring points is obtained, and the unevenness value of the surface of the whole titanium strip coil is obtained.

The invention discloses a flatness detection device for building outer wall construction and a construction technology, and belongs to the technical field of building decoration. The flatness detection device for building outer wall construction comprises two installation rails correspondingly installed on the outer wall face of a building, the surfaces of the two installation rails are jointly connected with a laser measuring instrument in a sliding mode, a movable plate capable of moving is arranged in the laser measuring instrument, and multiple sets of fixing frames are fixedly installed on the bottom face of the movable plate. A sliding frame is fixedly installed on the bottom face of any fixing frame. Compared with a traditional partially-fixed laser measurer, the flatness detection device for building outer wall construction has the advantages that the laser measurer can be prevented from being collided in time when encountering a large convex block, normal work of the laser measurer to detect the flatness of a wall surface is guaranteed, meanwhile, the accuracy of a detection value is guaranteed, and the working efficiency is improved. The detection quality of the laser measuring instrument on the flatness of the wall surface is improved, and the detection efficiency of the laser measuring instrument on the flatness of the wall surface is also improved.

The invention discloses a jig for traceless adsorption of UTG glass, and belongs to the technical field of auxiliary jigs for UTG (ultra-thin flexible glass) processing. An ATPU buffer adsorption layer is installed at the lower section end of a jig bottom plate, a gauze assembly is installed at the lower end of the ATPU buffer adsorption layer, vacuum adsorption holes and vacuum channels are distributed in the jig bottom plate in a staggered mode, vent holes are distributed in the ATPU buffer adsorption layer, and the vacuum adsorption holes are communicated with the vacuum channels. The gauze layer uniformly disperses adsorption pressure through fine grids, marks on the surface of the glass due to local excessive deformation of the ATPU material are effectively avoided, actual measurement verifies that no visible adsorption marks or scratches exist on the surface of the UTG glass after adsorption, light transmittance and surface flatness are not affected, the strict requirements of high-end electronic products for the appearance of the glass are completely met, and the glass has a good application prospect. A three-layer stacked integrated structure is adopted, no complex nested or composite structure exists, the machining process of each layer of assembly is simple, the assembly process is convenient and fast, the design difficulty and manufacturing complexity of the jig are greatly reduced, and batch production is convenient to achieve.

This utility model discloses a mold inspection platform, including a base plate. A base frame is fixedly connected to the upper surface of the base plate. A worktable that moves vertically is arranged above the base frame via a driving mechanism. A fixed clamping plate is fixedly connected to one end of the upper surface of the worktable, and a movable clamping plate that moves horizontally is arranged at the other end of the upper surface of the worktable. A first receiving box is fixedly connected to the top of the fixed clamping plate. This invention relates to the field of mold inspection technology. This mold inspection platform can clamp and fix the mold by moving the movable clamping plate in conjunction with the fixed clamping plate. After the mold is fixed, the first transmission mechanism drives the movable box to descend. After the inspection head assembly contacts the top of the mold, the surface flatness of the mold can be inspected. Then, the second transmission mechanism drives the inspection head assembly to move, allowing inspection of different positions of the mold, thus improving the efficiency and quality of mold inspection.

The embodiment of the invention provides a thin-wall metal material thinning method which comprises the steps that 1, the laser spot interval and the feeding frequency are calculated according to laser scanning parameters, and the laser scanning parameters comprise the feeding interval; 2, the thin-wall metal material component is obtained, and a to-be-machined face of the thin-wall metal material component is subjected to laser scanning according to the light spot interval to form a plurality of first-round micropores which are arranged at intervals; according to the light spot spacing, the feeding spacing and the feeding times, multiple rounds of circulating laser scanning are conducted on the to-be-machined face in sequence so that gaps between the first round of micropores can be filled, and a thin-wall metal material component with a loose modified layer is obtained; and 3, the loose modified layer is removed, so that thinning of the thin-wall metal material component is achieved. According to the embodiment, the adverse effect of heat accumulation on the workpiece in the laser machining process can be reduced while the thin-wall metal material component is thinned, the deformation resistance of the ultra-thin workpiece is improved, and the surface flatness of the workpiece is guaranteed.

The invention relates to a milling method for a high-strength medium-modulus carbon fiber reinforced composite material, which comprises the following steps: selecting a special milling cutter suitable for the high-strength medium-modulus carbon fiber reinforced composite material, and optimizing a cutter structure and a coating to reduce cutting resistance; secondly, accurately controlling cutting parameters, including the rotating speed of a main shaft, the feeding speed and the cutting depth, so as to reduce the phenomena of layering, burrs and fiber pull-out generated in the machining process; then, a specific cooling and lubricating mode is adopted, heat accumulation is effectively reduced, and cutting stability is improved; and finally, post-treatment is conducted on the machined surface, the surface flatness and the use performance are further improved, and the machining quality and the machining efficiency of the composite material are improved.

The utility model discloses an auxiliary tool for brick construction, which relates to the field of flatness detection and comprises a straight long rod and a flatness measuring assembly capable of sliding along the length direction of the long rod and used for detecting the surface flatness of a tiled object to be detected. Wherein the flatness measuring assembly comprises a sliding piece arranged on one side of the long rod in a sliding mode, the sliding piece is provided with a sliding cavity and an inlet and outlet, the extending direction of the sliding cavity is perpendicular to the length direction of the long rod, and the inlet and outlet are formed in the extending direction of the sliding cavity and communicate with the sliding cavity. Through the extrusion of the bulge of the flatness detection surface of the object to be detected on the detection piece and the pushing of the spring on the detection piece, the tiny concave-convex change of the brick surface can be sensitively captured; and the brick surface height difference is converted into a visual datum line by utilizing the display line on the damping sliding block, so that a constructor can quickly position an uneven area.

The utility model discloses an automatic detection device for a horizontal and vertical two-dimensional wall surface, which relates to the field of building construction and is characterized in that a laser ranging array is combined with the longitudinal hierarchical layout of double cameras and is matched with the orthogonal two-degree-of-freedom driving of a position and posture adjusting unit, so that the automatic detection of the horizontal and vertical two-dimensional wall surface is realized. The non-contact detection of the flatness and perpendicularity of the wall surface is realized, and the limitation of the traditional single-parameter detection is broken through; the data processing unit can autonomously avoid obstacles and complete full-facade scanning in a complex construction environment based on the acquired images; the multi-source detection data solves the island problem of traditional detection data, realizes accurate positioning and quantitative evaluation of wall defects, and provides full-dimensional automatic detection technical support for digital acceptance of buildings.