7048 results about "Surface processing" patented technology

The invention relates to the technical field of curved surface machining control, and discloses an intelligent curved surface machining method and system based on a CNC cutting machine tool, and the method comprises the steps: carrying out the laser scanning of a to-be-machined workpiece, obtaining the three-dimensional geometric data of the workpiece, activating a target clamping device, and generating an initial clamping scheme; the target clamping device is controlled to execute multi-area pressure gradient clamping operation, and target position data and clamping pressure distribution data are obtained; performing multi-field coupling dynamic analysis to generate a processing optimization parameter set; executing segmented continuous Hamiltonian path planning and self-adaptive lattice point reconstruction according to the machining optimization parameter set, and generating a tool path data set; according to the method, it is ensured that all the surfaces of the polygon prism workpiece are evenly stressed, the problem of machining deviation caused by edge stress concentration in a traditional method is solved, and the overall machining quality of the workpiece is improved.

The invention relates to the field of circuit board quality detection, in particular to an aluminum circuit board surface treatment quality detection system and method. The method comprises the following steps: acquiring a real-time thermal imaging view of the aluminum circuit board; performing multi-point sampling calculation on the real-time thermal imaging view of the aluminum circuit board, and performing temperature distribution analysis so as to generate temperature distribution data of the aluminum circuit board; performing temperature rise distribution trend reconstruction based on the temperature distribution data of the aluminum circuit board, and performing abnormal region positioning so as to obtain a coating abnormal region; carrying out multidirectional ultrasonic pulse detection on the coating abnormal area, and collecting a multi-array sound wave signal; carrying out low-pass filtering processing on the multi-array sound wave signals, then carrying out three-dimensional projection remodeling, and constructing a three-dimensional sound wave projection drawing; and acoustic wave penetrating circuit board attenuation inversion is carried out on the three-dimensional acoustic wave projection drawing, and then surface defect analysis is carried out, so that an aluminum circuit board surface defect area is obtained. The method for accurately and efficiently detecting the surface defects of the aluminum circuit board is realized.

The invention discloses a casting surface treatment quality evaluation method and system, and relates to the technical field of intelligent manufacturing and quality control, and the method comprises the steps: carrying out the multi-modal data collection of a casting, and carrying out the preprocessing; analyzing the preprocessed data, and constructing a comprehensive quality evaluation data set; a quality evaluation model is constructed, abnormal conditions in surface processing are identified, and a quality evaluation result is generated; performing quality classification on the casting according to a quality evaluation result, generating an evaluation report, and providing quality state judgment and related optimization suggestions; the casting surface treatment process is adjusted and optimized, the overall manufacturing quality is improved, and continuous improvement of quality evaluation is achieved. According to the method, the detection precision of the casting surface treatment quality and the process optimization capability are improved. By adopting data-driven closed-loop control, quality abnormity can be accurately identified, optimization suggestions can be provided, intelligentization, stability improvement and long-term quality improvement of the manufacturing process are realized, the defect rate is effectively reduced, and the manufacturing consistency is improved.

The invention relates to a curved surface processing path generation method and system for an ultra-precise diamond lathe, and the method mainly comprises the steps: obtaining the three-dimensional point cloud data of a to-be-processed curved surface through a three-dimensional scanning device, carrying out the global curvature calculation, and dividing the curved surface into a plurality of sub-regions to generate an initial processing path; and then, the initial path is optimized, interference and errors are reduced, and finally a target machining path subjected to comprehensive verification is obtained. The path is guided into a lathe to execute machining, and high-precision curved surface machining is achieved. By means of the method, the machining precision and the surface quality are improved, and it is ensured that higher smoothness and shape precision are achieved in ultra-precision machining.

The invention relates to the technical field of grinding, in particular to a self-adaptive force control grinding system and method for a complex curved surface machining robot. Three-dimensional point cloud data of a workpiece are obtained through machine vision, gridding processing is carried out, and normal vector and curvature characteristic parameters are calculated; performing operation area division and operation path planning based on curvature characteristics; calculating operation parameters according to the normal vector and curvature characteristics; a self-adaptive impedance control algorithm is adopted, the polishing force is monitored in real time through a force sensor, and the rigidity and damping parameters of the robot are dynamically adjusted; and performing defect identification on the surface image of the processed workpiece by using the deep learning model, and when defects are identified, re-planning the operation path. According to the method, self-adaptive grinding of the complex curved surface workpiece is achieved, and the grinding efficiency and quality of the complex curved surface can be improved.

The invention discloses a casting surface treatment defect detection and quality evaluation method and system, and relates to the technical field of casting quality evaluation, and the method comprises the steps: collecting the surface data of a to-be-detected casting, and carrying out the data preprocessing, and obtaining a standardized input data set and a standardized data subset; calling a corresponding analysis sub-model for each subset, outputting quality features and confidence coefficients, and summarizing the quality features and the confidence coefficients into a sub-source result; environment state information is acquired to determine sub-model weights, and weighted fusion is carried out on sub-source results to obtain an evaluation result and an overall confidence coefficient; calculating space / feature / time consistency and judging according to a combination rule; when a re-checking condition is met, obtaining a re-checking label backflow updating data set, and training an updating model and parameters; and dynamically adjusting the threshold value and the weight value according to the performance index for subsequent evaluation. According to the method, multi-source data and environment information can be fused, weight self-adaption and closed-loop updating are parallel, accuracy and stability are improved, misjudgment and missed judgment are reduced, and complex working condition adaptability and long-term reliability are enhanced.

The invention discloses a numerical control machining path control system based on artificial intelligence, particularly relates to the field of numerical control machining, is used for solving the problems of continuity and stability of a curvature mutation area in cutter path planning, and accurately captures global and local geometric characteristics of a curved surface through a curvature constraint feature matrix and a curvature adaptive convolutional network. A machining track meeting the differential geometric continuity is generated, and the problem of path breakage of a curvature sudden change area is effectively avoided; meanwhile, energy scale criteria and curvature manifold constraints are introduced, the machining track is dynamically repaired, geometric repair and physical stability are balanced, cutting force sudden change and stress concentration are reduced, and therefore the machining reliability is enhanced; in addition, through finite element simulation of the digital twin platform and synchronous updating of servo system parameters, dynamic closed-loop matching of a control instruction and a machining state is achieved, and the control efficiency and the surface quality are further optimized. And therefore, high-precision, high-stability and high-efficiency collaborative optimization is realized in complex curved surface processing.

To perform efficient surface treatment on a surface to be treated which is positioned on a lower surface side of a structure.SOLUTION: A surface treatment system jets jetted material to a surface to be treated which is set on a lower surface of a structure. The system includes: a surface treatment device which has a nozzle head provided with a jetting nozzle which is inserted in a base end opening part and jets the jetted material, and having a tip end opening part arranged opposite to the surface to be treated; and a nozzle head support device for supporting the nozzle head. The nozzle head support device includes: a pillar arranged in a periphery of the surface to be treated; an arm mechanism which has an arm main body of which a base end is connected to the pillar and rotates around the pillar, and includes a rotation shaft parallel to the pillar and arranged on a joint of a link; and a nozzle head mounting member which is connected to a tip end of the arm mechanism and on which the nozzle head is mounted.SELECTED DRAWING: Figure 1

The invention discloses an intelligent production method of a corrosion-resistant pressing rivet nut in the technical field of information, which comprises the following steps: carrying out surface treatment on the pressing rivet nut subjected to heat treatment, selecting a zinc plating or nickel plating process according to the corrosion resistance requirement of a product, and obtaining a uniform and compact plating layer by controlling the parameters of the temperature and the concentration of a plating solution and the electroplating time, the plating layer quality is detected by adopting a plating layer thickness meter and an adhesive force tester, the pre-plating treatment and post-plating treatment processes are optimized, and the protection performance and the appearance quality of the plating layer are improved; integrating a surface defect detection result with other performance indexes to serve as a comprehensive evaluation basis of product quality, establishing a correlation model of pressure riveting nut performance detection data and material attributes, a heat treatment process and a surface treatment process, mining an influence rule of each element on the product performance by adopting a correlation rule mining and time sequence prediction method, and determining the quality of the product. And predicting product performance distribution under different production parameter combinations.

The invention discloses a robot grinding real-time defect detection and self-adaptive correction system based on deep learning. The problem that in the prior art, real-time detection, defect correction and accurate path optimization are difficult to achieve in the grinding process is solved. The image, the three-dimensional point cloud and the moment data are fused through a multi-modal sensing system, and data fusion processing is performed by adopting a time synchronization mechanism, so that high-precision defect detection is realized. And the self-adaptive correction module dynamically adjusts the pressure, the speed and the angle of the grinding tool according to real-time feedback by using a reinforcement learning algorithm, so that accurate grinding for different workpiece surfaces is ensured. The system is further combined with closed-loop feedback control, the grinding path is continuously optimized, and the consistency and stability of the grinding quality are improved. Compared with the prior art, efficient and automatic defect detection and self-adaptive correction can be achieved on the complex and irregular workpiece surface, and the production efficiency and the surface treatment quality are remarkably improved.

The invention provides a multi-source data fusion intelligent control method for logarithmic curved surface machining, and relates to the technical field of data processing, and the method comprises the steps: 1, in a product machining process, through a geometric morphology detection sensor, a material characteristic perception sensor and a cutting state monitoring sensor, a cutting state is detected; obtaining multi-dimensional data reflecting the geometric morphology, the material characteristics and the cutting state of the curved surface, and forming a multi-source information stream; 2, carrying out real-time fusion on the multi-source information flow, and generating a comprehensive state description through space-time alignment and association of sensor data; the method comprises the following steps: converting data reflecting the geometric morphology of a curved surface into a point cloud set, identifying a feature point of a curvature mutation region as an original reference point, constructing two space reference straight lines, and calculating a space included angle between the two space reference straight lines to obtain an included angle region; through multi-source data fusion and intelligent control, the precision, efficiency and stability for logarithmic curved surface machining are improved, and the machining cost and the error rate are reduced.

The invention discloses a swimming pool waste heat recovery system based on a phase change energy storage material, and belongs to the technical field of phase change energy storage technologies. The system comprises a phase change energy storage module which realizes efficient energy storage in a wide temperature range through phase change materials with different melting points; the heat exchange module adopts a bionic fractal spiral structure and an advanced surface treatment technology, so that the heat exchange area is obviously increased, and the fluid resistance is reduced; the intelligent hierarchical control module is used for realizing comprehensive intelligent management from millisecond-level real-time control to long-term optimization; the sensing network module is combined with optical fiber sensing and wireless sensing technologies and is used for providing high-precision and high-spatial-resolution omnibearing monitoring; the energy conveying module achieves efficient, reliable and low-noise fluid conveying through the integrated design of a magnetic suspension bearing and a permanent magnet synchronous motor. The auxiliary heating module integrates a solar heat collector and a CO2 heat pump, uses a phase change material as a heat buffer, and provides a flexible and efficient supplementary heat source when stored energy is insufficient.

The invention relates to the technical field of the manufacturing industry, and discloses a high-integration variable-focus laser engraving control method and system, and the method comprises the steps: carrying out the high-frequency data collection of the surface of a workpiece through a sensor array, and obtaining an initial surface state data set; and analyzing surface tiny differences by using the feature extraction model, and determining a dynamic trend distribution diagram. A real-time monitoring technique is employed to track the surface change, and focus position correction is triggered when it is detected that the height fluctuation exceeds a threshold. And adjusting the focus position according to a deviation correction algorithm, and driving an execution mechanism to carry out real-time correction. And the processing effect is analyzed and evaluated through data comparison, a parameter optimization instruction is generated, and the dynamic adjustment control model is called to finely adjust operation parameters. And finally outputting a processing quality evaluation result, and generating a complete log file. Real-time precision monitoring and dynamic adjustment in the complex surface machining process are achieved, the machining precision and stability are improved, and the high-end manufacturing standard requirement is met.

The invention discloses an automatic planning method and system for a curved surface path of a grinding robot, and the method comprises the following steps: S1, constructing a to-be-machined three-dimensional curved surface model and a triangular mesh model, and relates to the technical field of automatic control of robots for surface machining in the manufacturing industry. According to the method, a complex three-dimensional surface coverage path planning problem of a workpiece is converted into two low-complexity sub-problems of key point sampling of a two-dimensional path planning domain and three-dimensional shortest path searching on a triangular mesh model, a small number of sampling points are sampled only on the two-dimensional path planning domain, and the sampling process depends on a spatial index framework; according to the method, global traversal of disordered point clouds is avoided, three-dimensional coordinates are positioned through nearest neighbor search of a KD tree algorithm, adjacent three-dimensional ordered key points are sequentially connected through a graph search algorithm, and a continuous machining path is formed, so that the operand is greatly reduced, real-time response of path planning is facilitated, and the problems that traditional online planning is long in time consumption and difficult in real-time response are solved.

The invention discloses a PCB ink-jet printing pretreatment agent, a preparation method thereof and a PCB ink-jet printing method, and relates to the technical field of printed circuit board production. The PCB ink-jet printing pretreatment agent is prepared from the following components in mass concentration: 0.1 to 0.5 percent of an anti-diffusion agent, 0.1 to 0.5 percent of a wetting agent, 0.2 to 1.0 percent of a homogenizing agent, 0.5 to 2.5 percent of a dispersing agent, 0.1 to 3.0 percent of a cosolvent and the balance of water. The PCB ink-jet printing pretreatment agent can be used in a surface treatment procedure of a fine PCB pattern ink-jet printing process, a uniform organic layer can be formed on a PCB copper surface and a substrate surface, and the organic layer can effectively reduce surface tension of the copper surface and the substrate surface, prevent diffusion of jet printing ink on the PCB surface, promote uniform arrangement of the ink and improve the printing quality of the PCB. Stable and neat linear ink can be formed, and the product yield of a fine line ink-jet printing process is improved.

The invention relates to the technical field of composite copper foils, in particular to a production process of a multifunctional composite copper foil, the composite copper foil and application of the composite copper foil. The invention provides a production process of a multifunctional composite copper foil. The production process comprises the following steps: S1, baking a carrier layer; s2, performing surface treatment through plasma treatment; s3, coating a film on the baked carrier layer through magnetron sputtering to form a bottom layer; s4, evaporating a vacuum evaporation layer on the base layer through vacuum evaporation; s5, plating a copper layer on the vacuum evaporation layer through water electroplating; and S6, slitting the sample. According to the production process, by optimizing the baking conditions, the sputtering technology and the evaporation parameters and introducing the plasma surface treatment technology, the binding force of the copper film and the base material is improved, the pinhole rate is reduced, the production efficiency and the coating uniformity are remarkably improved, and the product quality is improved. The problems that in the existing composite copper foil production process, the binding force between a copper film and a base material is poor, the pinhole rate of the copper film is high, the deposition speed is low, and the coating uniformity is poor are solved.

The invention provides a high-barrier fresh-keeping low-temperature heat-sealing composite film and a manufacturing process and application thereof, the composite film sequentially comprises a heat-sealing layer, a barrier layer, a reinforcing layer and a surface treatment layer from the inner layer to the outer layer, and the layers are bonded through bonding layers. The heat-sealing layer is prepared from modified polyethylene, polypropylene and a heat-sealing auxiliary agent, and the barrier layer is made of a composite material of nano aluminum oxide, polyvinylidene fluoride and an ethylene-vinyl alcohol copolymer. The enhancement layer is a polyester film, and the surface treatment layer is subjected to corona treatment. The composite film is prepared through a specific manufacturing process, and the specific manufacturing process comprises the steps of preparation of the heat sealing layer and the blocking layer, compounding, curing treatment, surface treatment and the like. The composite film disclosed by the invention has excellent barrier property and low-temperature heat-sealing capability, is suitable for vacuum packaging or modified atmosphere packaging of foods, and effectively prolongs the fresh-keeping period and the shelf life of the foods.

The invention belongs to the technical field of crucible coating optimization, and relates to an intelligent coating optimization method for quartz crucible surface treatment. According to the method, coating material data, surface treatment environment data, coating process data and performance test data are collected, the performance test data serve as a real result label of a training set, denoising, missing value processing and normalization are carried out on the collected data, and through a Pearson's correlation coefficient and a principal component analysis method, the coating material data, the surface treatment environment data, the coating process data and the performance test data are obtained. According to the method, a group of key features are screened out, data dimensions are reduced, main information influencing the coating performance is reserved, a deep neural network model is trained, the coating performance is predicted through the model, and coating process parameters are optimized by adopting a particle swarm optimization algorithm based on the predicted coating performance, so that the coating performance is optimized. According to the method, the optimal parameter combination can be effectively searched, blindness and high cost of a traditional optimization method are avoided, a closed-loop intelligent coating optimization process is formed, and the optimization efficiency and performance of the coating process are remarkably improved.

The invention relates to an additive manufacturing method and application of an aluminum-based silicon carbide composite material complex component, and the additive manufacturing method of the aluminum-based silicon carbide composite material complex component comprises the following steps: step 1, uniformly mixing silicon carbide powder and aluminum alloy powder, and drying; 2, establishing a structural model for the target part, and importing the structural model into selective laser melting forming equipment; thirdly, selective laser melting forming is conducted; fourthly, linear cutting and surface treatment are conducted; and fifthly, hot isostatic pressing treatment is conducted. The invention further provides application of the aluminum-based silicon carbide composite material complex component to precise structural components such as aviation structural components, guided missile and satellite components and optical instruments. According to the method, the problem of subsequent large-allowance removal of the aluminum-based silicon carbide composite material component is solved, the wettability between the aluminum alloy and the silicon carbide particles is improved, the mechanical property meets the application requirement, and the aluminum-based silicon carbide structural component with stable performance is obtained.

The invention belongs to the field of laser cutting equipment, and particularly relates to surface treatment laser cutting equipment for plastic part manufacturing. Comprising a workbench, a portal frame is slidably connected to the workbench, a mounting base is slidably connected to the portal frame, a laser cutting head is fixedly mounted at the bottom of the mounting base, a mounting frame is fixedly connected to the side wall of the mounting base, a cleaning cylinder is fixedly connected to the end, away from the mounting base, of the mounting frame, and a cleaning unit is arranged in the cleaning cylinder; according to the device, the two placing plates are driven by the rotating unit to slide out of the laser cutting head, rotate by 180 degrees and then slide into the cleaning cylinder, and then a focusing lens and a protection lens on the two placing plates can be cleaned and maintained at the same time through the cleaning unit, so that the cleanliness and tidiness of the focusing lens and the protection lens are guaranteed; different from a traditional manual cleaning mode, the automatic cleaning mode not only reduces the working intensity of workers, but also improves the working efficiency.

The invention discloses a manufacturing process of a flexible circuit board with any length, and relates to the technical field of flexible circuit boards. Comprising the steps that punching operation is conducted on a roll material base material to obtain reference holes, and the reference holes comprise a punching positioning hole and a reference exposure punching positioning hole; symmetrically punching first exposure punching positioning holes backwards based on the reference exposure punching positioning hole and a set distance; symmetrically punching an Nth exposure punching positioning hole backwards based on an (N-1) th exposure punching positioning hole and a set distance; carrying out dry film pressing-film exposure operation on the punched coiled material base material; developing the exposed coiled material base material, and removing the dry film of the exposed part through film stripping operation to form a required circuit; and after the etched circuit is subjected to chemical tinning surface treatment, positioning by using a punching positioning hole, and sequentially punching by using a die to obtain the ultra-long flexible printed circuit (FPC) with the required width. According to the process, the flexible circuit board with any length can be manufactured according to specific requirements of customers, and the production convenience and efficiency are improved.

The invention relates to the field of metal surface treatment, and discloses a multi-layer vacuum coating method for enhancing the surface of a high-precision metal part, which comprises the following steps: S1, surface treatment: removing surface pollutants and oxide layers through plasma cleaning, and coarsening the surface of a base material through laser etching; s2, coating deposition is conducted, specifically, a metal transition layer and a multi-layer nano hard coating are deposited in an enhanced mode through plasma; s3, depositing a self-lubricating coating: depositing the self-lubricating coating by pulse laser; s4, post-treatment: carrying out ion beam assisted post-treatment; s5, heat treatment: performing low-temperature heat treatment to eliminate stress. Through the plasma enhanced PVD and pulse laser deposition technology, the multi-layer nano coating is deposited under the low-temperature condition, the problem of thermal deformation of a heat-sensitive metal base material caused by a traditional high-temperature process is solved, and it is ensured that the multi-layer coating with high hardness and high compactness can still be formed on the premise that the size precision of the base material is not affected; and therefore, the method can be widely applied to surface treatment of high-precision parts.

The invention discloses an intelligent robot construction technology and system for building surface treatment, and relates to the technical field of building construction.The technology comprises the following specific processes that three-dimensional contour data collection is conducted, specifically, a building surface is comprehensively scanned through high-precision three-dimensional laser scanning equipment, and space coordinate information of all points on the surface of the building surface is obtained; by integrating three-dimensional laser scanning, image processing and spray gun and polishing control, full-process automatic operation from putty spraying, polishing to paint spraying is achieved, the construction period is greatly shortened, the efficiency advantage is particularly remarkable for large-area or complex-shape building surface treatment, and meanwhile, the construction efficiency is greatly improved. Due to the fact that the robot can work strictly according to the preset program and path and conduct accurate adjustment in combination with real-time feedback data, high consistency and uniformity of construction quality are ensured, and the problems of spraying omission, repeated spraying or uneven grinding and the like possibly occurring in manual construction are effectively avoided.

The invention discloses an aluminum alloy extrusion forming production process, which relates to the technical field of extrusion production, and comprises the following steps: designing an extrusion die, carrying out surface heat treatment on the extrusion die, selecting an aluminum alloy material, heating and extruding, carrying out surface treatment processing on a produced aluminum alloy profile, and packaging the aluminum alloy profile after the aluminum alloy profile is inspected to be qualified. Compared with the prior art, the method has the advantages that the grain structure of the profile can be more uniform and refined by accurately regulating and controlling the complex relation among parameters such as the extrusion temperature, the mold temperature, the extrusion speed and the lubricating condition, so that the mechanical property is enhanced, like a 6063 aluminum alloy profile, the tensile strength can be improved, the yield strength is improved, deformation or damage in the using process is effectively avoided, and meanwhile, the service life of the profile is prolonged. Good parameter matching can effectively reduce internal defects of the profile, metal can flow in a mold more smoothly, internal pores, cracks and other defects caused by non-uniform metal flow are reduced, and the surface quality is greatly improved.

The invention discloses a surface treatment device for hardware fittings. The surface treatment device comprises a box body for storing rust removal liquid, a spiral cleaning pipe vertically arranged in the box body, a slide way and a liquid conveying pump fixed to the box body and used for injecting the rust removal liquid in the box body into the cleaning pipe from the top of the cleaning pipe. Liquid spraying holes communicating with the interior of a cleaning pipe capable of generating vibration in the horizontal direction are evenly and fixedly formed in the surface of the cleaning pipe, a plurality of brushes are evenly and fixedly arranged on the inner wall of the cleaning pipe, and a feeding end capable of feeding hardware fittings into the cleaning pipe is further fixedly arranged at the top of the cleaning pipe in a communicating mode. A sliding way is obliquely arranged in the position, located between the cleaning pipe and the rust removal liquid level, of the interior of the box body, the discharging end of the sliding way penetrates out of the side wall of the box body, surface treatment is continuously conducted on multiple batches of to-be-machined hardware fittings in sequence in the using process, the working efficiency is improved, the self-cleaning function can be achieved in the treatment process, and the service life of the hardware fittings is prolonged. And the functions of automatic unloading and feeding are also realized.

A cutting insert includes a rake face, a flank face, and a cutting edge constituted of a ridgeline between the rake face and the flank face. The cutting edge has a first cutting edge portion for corner processing, a second cutting edge portion for low cut-in pulling processing, a third cutting edge portion for high cut-in pulling processing, a fourth cutting edge portion for finished-surface processing, a first connection cutting edge portion, a second connection cutting edge portion, and a third connection cutting edge portion. The fourth cutting edge portion is disposed between the first cutting edge portion and the second cutting edge portion. The second cutting edge portion is disposed between the fourth cutting edge portion and the third cutting edge portion. Each of the first cutting edge portion, the second cutting edge portion, and the fourth cutting edge portion has a curved shape.

The invention discloses a method for manufacturing a high-precision circuit board based on material transfer, which comprises the following steps of: taking a thick copper layer, attaching a micro-mucous membrane layer, manufacturing a dry film pattern layer on the other surface, etching off a part of thickness of the thick copper layer, stripping a film, screen-printing solder resist ink, baking and curing, polishing, forming a solder resist ink pattern, laminating an insulating medium layer, and stripping the micro-mucous membrane layer. Etching for the second time to form a circuit pattern layer, and performing surface treatment to form the high-precision circuit board; a reverse processing flow is formed through a material transfer mode, a semi-circuit layer is firstly manufactured, then solder resist ink is directly screen-printed to form a solder resist pattern, then the pattern is transferred to an insulating medium layer, the manufactured circuit pattern and the solder resist pattern are etched and exposed, alignment and exposure are carried out only once, the circuit processing precision is greatly improved, and the production cost is reduced. The solder resist pattern is not subjected to exposure and development processing, the phenomena of irregular pattern edge and lateral erosion are avoided, the whole processing flow is efficient and convenient, and a high-precision circuit board product is formed.

The invention discloses a five-axis linkage platform-galvanometer collaborative curved surface machining method based on space curve filling. The method comprises the following steps: firstly, importing a three-dimensional model stored in a triangular patch format, segmenting a closed curved surface target processing area, and then obtaining a two-dimensional plane mapping graph through parameterization; a space curve is adopted to fill the pattern, and a five-axis linkage platform motion trail is obtained through smooth processing; a filling pattern and a path are reflected to a three-dimensional space, a five-axis linkage platform and galvanometer motion instruction is generated, five-axis linkage platform motion parameters are checked, and local smooth iteration is carried out if the five-axis linkage platform motion parameters do not reach the standard; calculating a laser incident angle and a focal offset distance, and iteratively optimizing a smoothing mode when the requirements are not met; and the relative positions of the five-axis linkage platform, the workpiece and the galvanometer coordinate system are determined, coordinates are converted, and the five-axis linkage platform is combined with the two-dimensional or three-dimensional galvanometer module to complete machining. According to the method, high-frequency scanning of the galvanometer and smooth motion of the five-axis linkage platform are combined, and curved surface pattern machining under comprehensive constraint of the focal offset distance and the incident angle is achieved.

The invention relates to the technical field of numerical control machine tools, in particular to a turning and milling combined type numerical control machine tool which comprises a material shifting frame, a pushing assembly, a traction assembly and a spraying assembly. The shifting frame is connected with the supporting sliding table; the pushing assembly is connected with the material stirring frame. The traction assembly is connected with the longitudinal beam plate; the spraying assembly is connected with the traction assembly; the spraying assembly sprays cutting fluid to the surface of a workpiece for reciprocating flushing through reverse movement of the upper face and the lower face of the conveying belt structure, and the pushing assembly is driven by the opposite-tooth transmission structure to drive the material shifting frame to reciprocate so that the cutting fluid and waste chips can be guided to the material collecting box; and the cutting fluid with the scraps filtered is guided back to the spraying assembly again to be repeatedly used. And therefore, the problem that the surface machining quality of a machined workpiece is affected by waste left on the surface of the workpiece in the turn-milling process is solved.

The invention relates to the technical field of spring production processes, and discloses a corrugated spring manufacturing process which comprises the following steps: S1, taking a steel wire rod main body with a rectangular section, winding into a corrugated circular ring, and cutting off at a position where the steel wire rod main body is wound for one circle; s2, laser welding is conducted on the cut-off position through optical fiber laser welding equipment, and a blank piece is obtained; s3, the blank is subjected to heat treatment to eliminate internal stress, and a semi-finished product is obtained; s4, the semi-finished product is subjected to surface treatment, and a finished product is obtained.The corrugated ring is directly formed, the corrugated treatment process is omitted while a flat ring is rolled, only stress heat treatment needs to be conducted on the product obtained after wave pressing forming, and the machining time and the production cost are saved; according to the process, the welding seam strength is optimized by optimizing laser welding conditions, oxidation and decarburization of workpieces are reduced by controlling the heat treatment heat preservation time after welding, meanwhile, the deformation stress of the spring is thoroughly eliminated, and the fatigue life and the use performance of the spring are more unified and stable.