537 results about "Weld line" patented technology

A friction stir additive welding device configured to join a first work-piece and second work-piece is provided. In one aspect, the device includes a nosecone having a sidewall extending from a first end to a second end, a channel extending from the first end to the second end along a longitudinal axis of the nosecone, and a screw positioned within the channel. The first end is configured to couple the nosecone to a robotic arm and the second end has a surface configured to be advanced along a weld line between the first and second work-pieces. A central axis of the screw defines an angle that is less than 90 degrees relative to a plane that is perpendicular to surfaces of the first and second work-pieces as the surface of the nosecone advances along the weld line.

The invention discloses an intelligent welding control system and method based on multiple sensors and electronic equipment, and belongs to the technical field of automatic welding, the system comprises a sensing layer, a decision-making layer and an execution layer, through cooperative work of a front laser vision sensor, a rear laser vision sensor and a molten pool image sensor, a groove three-dimensional model can be accurately established before welding, and the welding precision is improved. And dynamic information of the molten pool is continuously collected in the welding process, a dual monitoring mechanism for the geometric characteristics of the welding line and the state of the molten pool is formed, and multi-source data collection and fusion in the whole welding process are achieved. The control method comprises the steps of pre-scanning modeling, feedforward parameter planning, real-time feedback adjustment of a molten pool, data fusion optimization and the like, and high-precision self-adaptive control over welding parameters is achieved by combining deep learning and the Kalman filtering technology. According to the method, the welding adaptability, the control precision and the intelligent level can be remarkably improved, and the method is suitable for high-precision welding scenes such as pipelines, pressure containers and steel structures and has remarkable engineering application value and popularization prospects.

A friction stir additive manufacturing device configured to join a first work-piece and a second work-piece is provided. In one aspect, the device includes a rotating spindle configured to deposit a filler material over a weld line as the device is advanced along an interface between the first work-piece and the second work-piece. The device also includes a deposition head configured to receive at least a portion of the spindle, the deposition head configured to remain stationary relative to the rotating spindle. The deposition head includes a first semi-cylindrical portion having an inner radius and an outer radius relative to a first axis, and a second semi-cylindrical portion having an inner radius and an outer radius relative to a second axis that is perpendicular to the first axis. The second semi-cylindrical portion can include a chamfered inner surface configured to define a weld profile.

A method of joining a first work-piece to a second work-piece is provided. Each of the first work-piece and the second work-piece include a top surface, an opposed bottom surface, and a side surface connecting the top surface and the opposed bottom surface. In one aspect, the method includes positioning the side surface of the first work-piece adjacent to the side surface of the second work-piece, and advancing a friction stir additive manufacturing tool across the top surface of the first work-piece and the top surface of the second work-piece along a weld line between the first work-piece and the second work-piece. As the friction stir additive manufacturing tool advances along the weld line, a filler material is deposited along the weld line and into a plurality of through holes formed in either or both of the first work-piece and the second work-piece. Each of the plurality of through holes includes a first opening on the top surface, a second opening on the opposed bottom surface, and a passageway through the work-piece between the first opening and the second opening. The method further includes joining the first work-piece and the second work-piece together.

The invention relates to an X-ray weld defect intelligent detection method based on weld line perception and reversible domain mapping, which comprises the following steps: collecting a gray X-ray image of a weld region, and carrying out joint labeling on a weld center line track and a defect mask to construct a standardized training data set; designing a weld line sensing hybrid neural network architecture; performing end-to-end training on the network by using a joint loss function formed by detection task loss and center line consistency constraint to realize collaborative optimization of defect category discrimination and spatial positioning; and deploying the trained model in an automatic welding quality detection system, performing forward reasoning on X-ray images acquired in real time, and continuously outputting defect detection results with accurate category, position and form information in combination with a post-processing strategy of weld direction clustering. According to the invention, stable and accurate identification of slender and weak-texture weld defects under the condition of bent welds is realized, and automation and reliability of nondestructive detection of welds are remarkably improved.

The invention provides a welding device for assembling an electric guitar, and relates to the technical field of welding. The welding device for assembling the electric guitar comprises an erecting chassis, four sets of clamping motors are fixedly connected to the inner side of the erecting chassis, the output ends of the clamping motors are fixedly connected with clamping threaded rods, the outer surfaces of the clamping threaded rods are in threaded connection with a transverse moving frame, the upper end of the transverse moving frame is fixedly connected with a limiting frame, and the lower end of the limiting frame is fixedly connected with a corner motor; the output end of the corner motor is fixedly connected with a corner frame, the corner frame is rotationally connected to the inner side of the limiting frame, and the upper end of the corner frame is fixedly connected with a feeding compensation motor. According to the welding device for assembling the electric guitar, the clamping plate is arranged for clamping and erecting the assembly mainboard, and the welding mechanism is arranged for welding below the assembly mainboard, so that the assembly mainboard does not need to be overturned in the welding process, and a welded circuit is not pulled and broken; the problem that when the assembly mainboard is welded, the lower space is small, overturning is needed, and a circuit is prone to being pulled apart is solved.

The invention relates to the technical field of friction welding machines, and discloses a friction welding machine sliding table control method and device.The method comprises the following steps that movement data of a friction welding machine stirring head are collected in real time, and a stirring head kinetic model is established; based on the mobile data and the dynamic model, outputting a preliminary control strategy through an optimal linear quadratic regulation control algorithm; on the basis of the movement data, future movement data of the stirring head are predicted through a prediction control algorithm, and a preliminary control strategy is optimized; a control signal is sent to a servo motor of the sliding table to control the servo motor; and the difference between the real-time movement data of the stirring head and the prediction result is used as feedback data, and control strategy parameters are adjusted. According to the method, the difference between the real-time movement data of the stirring head and the prediction result is used as feedback, a closed-loop control mechanism is formed, and control parameters are continuously monitored and optimized. The position control precision of the stirring head is improved, the problem of response lag in high-speed welding is effectively solved, the consistency of welding line tracks is ensured, and position deviation is avoided.

The invention discloses butt welding equipment for electric vehicle hub production, which belongs to the technical field of welding and comprises a workbench, a forming cylinder, a guide column and a welding gun. A working face is arranged on the surface of the workbench and used for placing a plate as a basic blank for forming the hub outer frame. The forming cylinder is arranged above the workbench, and the arc surface of the forming cylinder serves as a forming surface, so that a plate is tightly attached and bent into an annular body. The two guide columns form pressure applying tracks on the two sides of the forming cylinder and move along the arc face, a plate is bent and attached to the surface of the forming cylinder, and the two ends of the plate are connected to form a welding line. And the end part of the welding gun can move along the welding line to finish welding. A plurality of adsorption openings communicated with the air suction channel are formed in the surface of the forming cylinder, adsorption force is applied to the plate, and movement or dislocation is prevented. A sealing ring is arranged on the periphery of the adsorption opening to improve sealing performance. A supporting plate and a ventilation hole are arranged in the adsorption opening, the structure of an air suction channel is optimized, the air suction efficiency is improved, and uniform distribution of adsorption force is ensured.

Provided is a thick steel plate which combines high strength, low yield ratio and high toughness, and which has excellent toughness at the joint even when subjected to high heat input welding in which the welding heat input exceeds 40 kJ / mm. A thick steel plate having a prescribed component composition and microstructure, and having an Mn concentration distribution in which the area fraction of an average Mn concentration region defined as a region having an Mn concentration of 0.9-1.1 times the average Mn content (mass%) is less than 90%; the area fraction of an Mn-rich region defined as a region having an Mn concentration of 1.15 times or more of the average Mn content (mass%) is 1.0% or more, the average circle-equivalent diameter of the Mn-rich region is 7.0 [mu] m or less, and the Charpy absorption energy vE0 at 0 DEG C is 70 J or more.

The invention discloses a weld ROI segmentation method based on active and passive vision fusion. The method comprises the following steps: synchronously acquiring a two-dimensional image and a three-dimensional point cloud of the surface of a welded workpiece; inputting the trained deep learning network, and outputting a weld joint candidate region and a pixel-level mask graph thereof; establishing a cross-modal mapping relation through geometric calibration, and projecting the three-dimensional point cloud to a two-dimensional image to complete registration and fusion; cutting from the three-dimensional point cloud by using a cross-modal mapping relation to obtain a candidate point cloud region; generating a gray matrix for ray odd-even discrimination according to the pixel-level mask pattern; and each point of the candidate point cloud is projected to a pixel coordinate point by point, ray odd-even discrimination is carried out on the projection points according to the gray matrix, the points conforming to an odd-even rule are determined as welding line points and are aggregated into a welding line ROI point cloud, and the welding line ROI point cloud is output as a segmentation result. According to the method, the adaptive capacity to the unstructured welding seam is effectively improved, the point cloud processing complexity is reduced, and good real-time performance and robustness are achieved.

The invention relates to an inner cavity curved surface welding line laser light path turning welding method which is used for solving the technical problem that an existing welding method is difficult to operate when curved surface welding is carried out in an inner cavity, and the method comprises the steps that a reflecting mirror is arranged on a light emitting path of a laser welding head, and original laser beams are deflected; the laser beam enters the inner cavity space and irradiates the to-be-welded area of the curved surface weld joint; surface cleaning and fixing are conducted on a to-be-welded area, and the folded laser beams are focused to the center of a welding seam; enabling the laser beam to perform scanning welding on the curved surface welding seam according to a preset scanning track; in the welding process, protective gas is jetted to the position, acting on the workpiece, of the laser beam so as to blow away welding spatter and provide gas protection for a welding seam. The propagation direction of laser beams is changed through the reflecting mirror, so that laser can enter the inner cavity to weld a curved surface weld joint, the application range of laser welding is expanded, and the problem that curved surface welding is difficult to operate in the inner cavity space through an existing welding method is solved.

The invention relates to the technical field of laser welding, and provides a high-speed laser welding wire box process based on multi-beam synergy, which comprises the following steps: step 1, at least three laser beams are adopted as a synergy composite heat source, a main laser beam is responsible for penetration fusion welding, and an auxiliary laser beam is responsible for preheating, post-heating or molten pool stabilization; when the copper-aluminum dissimilar material is welded, an auxiliary laser beam is switched into a green laser; and 2, assembling a multi-beam optical regulation and control unit comprising a diffractive optical element, a quartz field lens and a galvanometer scanning module, splitting a main beam into one main beam and two auxiliary beams through the diffractive optical element, controlling focal depth fluctuation by the quartz field lens, and realizing accurate movement positioning of a laser beam by the galvanometer scanning module. Through integration of multi-beam collaborative design and an intelligent control unit, remarkable breakthroughs are achieved in the aspects of welding efficiency, quality consistency and process adaptability, firstly, in the aspect of efficiency and process, the welding speed is greatly increased, multi-station synchronous operation of an automatic welding unit is matched, and the welding period of a single-line box is remarkably shortened.

The invention discloses welding equipment for machining a steam turbine valve, and relates to the field of valve welding equipment.The welding equipment comprises a mechanical arm and a welding cable, a welding gun barrel is installed on the mechanical arm, the welding cable is connected to the welding gun barrel, an extension pipe is installed on the welding gun barrel, and the extension pipe is connected to the welding cable; and a welding gun head is mounted at the end part of the extension pipe. It needs to be explained that in the embodiment of the invention, when the mechanical arm drives the welding gun head to make excessive contact with the valve, the welding gun retracts into the retraction sleeve; if the extension pipe deforms, the stopping and recycling sleeve is stopped from retracting, and the retracting pull plate pulls the extension pipe to retract into the welding gun pipe; and if the welding gun head is blocked by welding slag, the retraction pull plate also pulls the extension pipe to retract into the welding gun barrel, multi-mechanism triggering is achieved, protection is free of dead corners, all the devices are integrated on the welding gun head, the adaptability is high, the equipment transformation time is shortened, and the economic cost is reduced.

The invention provides a battery shell, a battery and a battery device, and relates to the technical field of batteries. The battery shell comprises a first side wall and a pressure relief piece arranged on the first side wall. The pressure relief piece and the first side wall are welded to form a welding line, and nicks are formed in the pressure relief piece to define a pressure relief part. The pressure relief part is opened to relieve pressure when the internal pressure of the battery reaches a pressure relief threshold value, and the product of the projected area of the nick on the first side wall and the distance from the bonding wire to the nick is limited in a specific range. By optimizing the position relation between the pressure relief piece and the bonding wire and combining area parameter matching of the nick and the pressure relief part, the pressure relief efficiency is guaranteed, meanwhile, the structural strength is improved, splashing of high-temperature substances and shell fragments is avoided, and the pressure relief structure has the advantages that the pressure relief structural strength is improved, the pressure relief pressure threshold value is accurately controlled, and damage to the peripheral area during pressure relief is prevented.

A die structure for reducing metal extrusion welding lines is divided into a male die and a female die, the male die is provided with shunting bridges and a die core, the female die is provided with a welding cavity, the front face of the welding cavity is in a petal shape, the shunting bridges and the welding cavity are evenly distributed in a radial shape, and after the shunting bridges and the welding cavity are oppositely combined, a complete shunting welding structure is formed. According to the utility model, the structure of the mold runner is optimized, the defects of welding lines of the produced metal extrusion product are greatly reduced, the grain size of the product is smaller, and the product performance is more excellent.

The invention discloses a welding line plate discharging and conveying device, belongs to the technical field of plate discharging and conveying, and aims to solve the problems that the adsorption effect of a suction cup can be affected by chippings attached to the surface of a plate, and potential safety hazards can be caused to operators on a production line when the plate falls off in the discharging process. The upper end of the mounting plate is used for being connected with the arm end of a robot, the bottom end of the mounting plate is fixedly connected with a main frame, and the two sides of the main frame are both fixedly connected with side plates. And in the process that the suction cup sucks the plate for discharging, impurities attached to the surface of the plate can be cleaned, the impurities are prevented from remaining between the suction cup and the plate, the suction effect of the suction cup is improved, meanwhile, in the discharging process, additional supporting and protection can be provided for the plate, the plate is prevented from falling, the continuity and stability of a production line are ensured, and the production efficiency is improved. And the safety is improved.

The invention discloses a visual virtual design system for an injection mold, and relates to the technical field of visual virtual design, and the system comprises a data acquisition module which is used for acquiring flowing position data and temperature distribution data in an injection filling process of simulating a melt flowing into a target injection mold, the flowing position data comprises leading edge position data when the melt flows along with time, and the temperature distribution data comprises temperature sequence data, recorded according to a preset time step length, of each grid unit corresponding to the target injection mold; the data processing module is used for determining a first pouring runner and a second pouring runner which form a weld line when the weld line is formed in the injection molding and filling process; determining a temperature difference integral value between the first pouring runner and the second pouring runner according to the temperature distribution data; determining a weld line forming reason according to the temperature difference integral value; and the virtual design module is used for designing the injection filling process of the target injection mold according to the forming reason. According to the invention, the time required for die design is reduced.

The invention belongs to the technical field of ABS (Acrylonitrile Butadiene Styrene) molding, and discloses an ABS ultrathin wall injection molding process which comprises the following steps: S1, material modification; s2, configuring equipment and a mold; s3, injection molding is executed; s4, demolding and process control; s5, post-processing and detecting; the material modification comprises the steps of preparing a high-flowability ABS base material and carrying out drying pretreatment. According to the method, ordered arrangement of molecular chains is kept in the high-speed filling process, weld line weakening and internal stress concentration are effectively restrained, and the surface thickness uniformity of the ultrathin wall meets the optical-grade requirement. Dynamic pressure closed-loop control is combined with a vacuum auxiliary exhaust mechanism, real-time matching of the melt front temperature and the cavity pressure is achieved, the defect of short injection or surface flow marks caused by air trapping in a traditional process is eliminated, and the distribution error of a mold thermal field is reduced to the micron order through cooperation of partition mold temperature control and a quick response heating element; the dimensional stability and assembly precision of the complex thin-wall structure are guaranteed, and meanwhile energy consumption of the cooling period is reduced.

The invention provides an assembly line system for building a B-type cabin middle group sheet body. The assembly line system comprises a feeding unit, a laser cleaning and scribing unit, a friction stir welding plate splicing unit, a ray detection unit, an assembling and welding unit and a discharging unit which are connected in sequence. During construction, the bottom plate plates for splicing the bottom plate are hoisted to an assembly line one by one, the laser cleaning and scribing unit is used for cleaning and polishing a welding bead and scribing various mounting line indication lines, then the friction stir welding plate splicing unit is used for carrying out butt joint on the bottom plate plates one by one according to a plate splicing sequence, and the bottom plate of a middle group sheet body is synthesized; a butt welding seam of a bottom plate is subjected to flaw detection of the ray detection unit and then flows to the assembling and welding unit, T rows and rib plates are subjected to falling assembly according to the positions of an installation line and an indication line through the assembling and welding unit, fillet weld arc welding is carried out after assembly is completed, and finally discharging of a whole middle-group sheet body is carried out through the discharging unit.

The invention discloses a space discontinuous welding seam real-time tracking method and system based on laser vision, and relates to the technical field of robot intelligent welding, and the method comprises the steps that a laser stripe image of a to-be-welded area is collected in real time; performing denoising processing on the laser stripe image to obtain a denoised stripe image, extracting an image region of interest in the denoised stripe image, and extracting a stripe image center point in the image region of interest by adopting a gray centroid algorithm; performing segmentation fitting based on the central point of the stripe image to obtain a fitting straight line segment I and a fitting straight line segment II; and based on the calibration mapping relation, the image intersection points are mapped into a robot coordinate system through the image coordinate system, the pre-positioning image welding points are recognized as welding jump points, and the continuous welding line center fitted by the welding line feature image is recognized as continuous welding points. The method provided by the invention has the beneficial effects that the pre-positioning welding point and the continuous welding point are recognized in advance to guide the welding arm to carry out welding operation, the automatic operation of welding is facilitated, and the welding quality is improved.

The invention relates to a welding method. The welding line foundation quality is guaranteed from the source through optimization of a cleaning process in the early stage of welding. The size and identification of positioned welding are subjected to standardized design, the defects of positioned welding are reduced, standardized treatment is conducted for the environment temperature and humidity, the risk that cold cracks and air holes are generated when nine-nickel steel is welded in the severe environment is avoided, and therefore the subsequent welding quality is improved; a welding bead layering scheme is formulated according to the welding mode and the size of a welding leg, precise control over the fusion degree and the forming precision of a welding bead is achieved in combination with current and voltage parameter control over a welding material, and meanwhile a sectional welding mode is adopted in combination with arrangement of a transition groove and control over the secondary arcing overlapping length and the interlayer temperature; and it is guaranteed that interlayer fusion is good during multi-pass welding, the possibility that pits, pinholes and hot cracks appear in the welding process, and the slag detachability of a coating is poor is finally reduced, and the final quality of a product is guaranteed.

At least one of an outer ring and an inner ring of the insulating bearing is arranged to be an insulating ferrule, the insulating ferrule comprises a body, and the body further comprises a roller path, a bearing body and a bearing body, an axial end face; and a radial outer peripheral surface disposed opposite to the raceway in the radial direction. A material removal portion is included on a surface of the body, and an insulating layer is overmolded on the body and molded into the material removal portion. The invention further provides a manufacturing method of the insulating bearing. The manufacturing method comprises the step that a sprue of an injection molding machine for overmolding the insulating layer is arranged to enable a weld line of the overmolded insulating layer to avoid a main stress bearing area of the insulating ferrule and / or to be formed at the position, with the maximum thickness, of the insulating layer. The invention provides an insulating bearing and a manufacturing method thereof for solving the problem of electric corrosion of a bearing used in a high-pressure environment. Good electrical insulation of the bearing is achieved, the insulation layer can be further prevented from moving in the axial direction and / or the circumferential direction, the electrical performance of the insulation layer and the whole bearing is greatly improved, and the service life of the insulation layer and the whole bearing is greatly prolonged.

The application discloses a welding line body and a control method thereof, and relates to the technical field of welding. The welding line body comprises a base, a plurality of integrated wire feeding welding mechanisms, a plurality of bearing toolings, a conveying device and a control device. The bearing toolings are circulated between a plurality of work stations under the driving of the conveying device. By reasonably designing the structure of the bearing toolings, universal positioning of a plurality of products can be realized. A plurality of welding stations are arranged, a plurality of welding points are dispersed in the plurality of welding stations, and welding operations are respectively performed, which is beneficial to reducing the processing rhythm. Meanwhile, the integrated wire feeding welding mechanism is arranged, the wire feeding device and the welding device are integrated on the mechanical arm, the physical path of the welding wire from the wire coil to the welding point is greatly compressed, the length of the wire feeding path is greatly reduced, the space occupied by the whole integrated wire feeding welding mechanism is basically equal to the space required by the mechanical arm itself and the movement thereof, and the space is optimized.

The application discloses a kind of full-automatic welding equipment of automatic welding technical field, a kind of full-automatic welding equipment, including frame body, the frame body is fixedly connected with drive assembly, drive assembly is fixedly connected with transmission roller;Transmission roller is transmission connection between cable, the lower end of the frame body is fixedly connected with four supports for its support stability, the middle part of the frame body is provided with welding assembly, the side of transmission roller is provided with transmission assembly, transmission assembly includes four toothed rods, each toothed rod is engaged with tooth ring, the tooth ring is fixedly connected at the outside of transmission roller lower end;With the cooperation of transmission assembly and welding assembly, this process does not need multiple workers to cooperate welding, reduce the input of staff cost, at the same time also can not cause the misplacement of welding cable two ends, welding point is too large or does not meet the situation of welding requirement occurs.

A method for friction stir welding along a butt joint weld line (40). A welding device (70) includes a probe assembly (90) including at least a first and second probe device (100a, 100b). A first and second part (31a, 31b) to be joined along the weld line (40) are provided, wherein the parts are each formed as a laminate (1; 1′) including at least a first layer (2a, 2b) formed with a first material and a second layer (5a, 5b) formed with a second material. The first and second materials have different material properties. The method friction stir welds of the parts using the welding device, wherein simultaneously the first probe device acts on the first layers and the second probe device acts on the second layers.

The utility model discloses an integrated rear suspension lower support welding tool which comprises a tool bottom plate and is characterized in that a main clamping mechanism, a left clamping mechanism and a right clamping mechanism are arranged on the tool bottom plate, and the main clamping mechanism is used for positioning and clamping a connecting support on a main arm body; the left clamping mechanism structurally comprises a fixing base, a guide block is arranged on the side face of the fixing base, two guide holes are formed in the guide block, a gasket positioning pin is arranged in one guide hole, a thread bushing positioning pin is arranged in the other guide hole, the other end of the gasket positioning pin and the other end of the thread bushing positioning pin are connected with a sliding block in the fixing base, and the other end of the gasket positioning pin and the other end of the thread bushing positioning pin are connected with the sliding block. The slide block is driven by a cylinder; the left clamping mechanism and the right clamping mechanism are the same in structure. According to the utility model, the welding procedure is reduced to two procedures, so that the production efficiency can be improved and the production cost can be reduced; the automatic welding device can be applied to an automatic welding line, and welding quality consistency is guaranteed.

The utility model discloses an automatic welding device for a floating ship plate of an oil storage tank, which relates to the technical field of floating ship plates of oil storage tanks and comprises a mounting rack, a guide rail fixedly mounted in the mounting rack, a slider slidably connected to the side wall of the guide rail, a welding gun fixedly mounted at the bottom of the slider, and adjusting mechanisms arranged on two sides of the mounting rack. The adjusting mechanism comprises a connecting rod, a movable frame, a threaded adjusting part, a fixed part and an electromagnet; according to the technical scheme provided by the utility model, the adjusting mechanism is adopted, the fixed part can be fixedly adsorbed on the surface of a stainless steel, iron or other magnetic floating ship plate by arranging the electromagnet, and then the movable frame can slide on the side wall of the connecting rod by rotating the threaded adjusting part; therefore, the distance between the two floating ship plates needing to be welded can be adjusted, a welding gun can be located at a welding line all the time in the welding process, deviation is avoided, the welding effect is better, and use is more convenient.

The application discloses a kind of wire processing welding methods and wire welding line, its wire processing welding method includes the following steps: wire separation: the pin of the length direction both ends of the wire to be welded is separated to specified angle;Bending: according to the product shape of FPC board, two bending points to be set in advance, the both ends of the length direction of wire are bent along two bending points to be;Welding: the wire is placed on FPC board, then several pins of wire are welded to FPC board.Several pins of wire are separated to specified angle, facilitate subsequent welding to the pin of wire;Further improve the processing and welding efficiency of wire.The pin of wire is welded after bending, and then the wire is laid on FPC board, without adjusting the position of wire, and further improve the processing and welding efficiency of wire.

The present invention relates to a wire rod for welding rods and a manufacturing method therefor. One aspect of the present invention is to provide a wire rod for welding rods and a manufacturing method therefor. A preferred aspect of the present invention is to provide: a wire rod for welding rods, having superior strength and wire drawability as well as excellent cost-effectiveness; and a manufacturing method therefor.

This invention discloses a method, system, and storage medium for interactive welding of the three-dimensional surface of a rudder workpiece, belonging to the field of automated welding technology. The welding method includes: acquiring complete raw point cloud data of the rudder workpiece through point cloud scanning; performing semantic segmentation on the three-dimensional surface structure in the raw point cloud data to obtain the rudder top surface point cloud; extracting the skeleton contour structure of the rudder workpiece based on the rudder top surface point cloud as welding guide lines; sorting the welding guide lines according to a pre-set arrangement; and adjusting the sorting of the welding guide lines interactively according to actual processing requirements to complete the interactive welding of the three-dimensional surface of the rudder workpiece. The welding system of this invention includes a structured light camera, a robotic arm, and an information processing computer. This invention automates the welding process of rudder workpieces, eliminating the problem of inconsistent results from manual welding, and also features interactive weld line selection functionality, adapting to different welding processes with high flexibility.