183 results about "Metal fabrication" patented technology

The invention relates to the technical field of laser cutting equipment, in particular to a laser cutting machine for cutting a machine tool body and a cutting technology.The laser cutting machine comprises a cutting table, a fixing frame arranged at the top end of the cutting table and a laser cutting head arranged at the bottom end of the fixing frame; according to the laser cutting device, when the to-be-cut area of the cover plate is cut, stable and continuous extrusion constraint can be formed, thermal expansion force generated when the long and thin groove is cut is effectively counteracted, groove wall bending and groove width deviation are reduced, and the size precision needed by precise threading and guiding of the long and thin groove is guaranteed; the heat conduction block on the abutting plate can rapidly guide out cutting heat, and in cooperation with directional blowing of the blowing assembly, heat dissipation can be accelerated so as to reduce a heat affected zone, improve the smoothness of a notch, ensure stable and reliable cutting quality, reduce subsequent assembly problems caused by thermal deformation and ensure stable and reliable cutting quality of metal manufacturing equipment during batch machining. And the overall processing efficiency of the metal manufacturing equipment is further optimized.

This invention pertains to a system and method for three-dimensional (3D) printing using acoustic modulation to control the flow and solidification of various materials, with integrated thermal management and real-time analytical adjustments. The system addresses the challenges of controlling the solidification process in non-solid states, which can lead to defects. It utilizes acoustic emitters for precise modulation, a material dispensing unit adaptable to various materials, and an advanced control system for synchronization. The method involves material dispensing followed by acoustic modulation to mold the material. Adjustments based on sensor feedback ensure a seamless transition from non-solid to solid states. The system can handle diverse materials and create multi-material objects with tailored properties. Applications include the fabrication of 3D objects with enhanced structural integrity, surface finish, and complex geometries, as well as functionally graded materials and composites.

The invention relates to the technical field of metal defect detection, in particular to a metal defect detection method based on deep learning, which effectively deals with the challenge of metal surface defect detection by improving a YOLOv8 algorithm, optimizing the performance of a model, deploying mobile terminal equipment, developing a detection system and the like. The method can be widely applied to the fields of metal manufacturing, automobiles, aerospace and the like, and intelligence and automation of industrial quality control are promoted.

The present disclosure relates generally to creating metal carbide parts or parts with metal carbide layers. In some aspects, the present disclosure relates to converting metal parts to metal carbide parts or parts with metal carbide layers. In other aspects, the present disclosure relates to metal-impregnated coatings that may be used to form metal carbide layers on parts. In yet other aspects, the present disclosure relates to metal-impregnated resins being used as material for 3D printing, casting, or coating disposable substrates, or otherwise forming objects that become standalone ceramic parts upon heat treatment and carburization of the metal.

The invention relates to the technical field of foam metal manufacturing, and provides a through hole metal-based composite foam material preparation device and method.The device comprises a lower die base, a powder feeding mechanism, a powder pressing mechanism, a plurality of metal pipes and a pipe pressing mechanism, an opening is formed in one side of the lower die base, and the other side of the lower die base is closed; the powder feeding mechanism is arranged on one side of the lower die base and used for filling the lower die base with powder. The powder pressing mechanism is arranged opposite to the lower die base and used for pressing powder in the lower die base. A plurality of through holes are formed in the powder pressing part, a plurality of metal pipes are inserted into the corresponding through holes respectively, and the pipe pressing mechanism is arranged opposite to the lower die holder and used for pressing and fixing all the metal pipes in powder. According to the powder compacting device, the powder can be compacted, meanwhile, it is guaranteed that the metal pipe cannot deform, fibers do not need to be wound around the metal pipe, the overall performance cannot be affected, and therefore the structural strength is improved.

The utility model relates to the technical field of metal manufacturing, in particular to an aluminum alloy casting device for metal manufacturing, which comprises a support, a movable base movably connected with the lower end of the support, a crucible with an adjustable angle arranged in the middle of the support, and an angle adjusting structure of the crucible arranged on the support on the side edge of the crucible. The movable molten iron pouring device has the advantages that molten iron can be conveniently transferred and transported through the movable support, the angle adjusting structure is arranged, the crucible can be driven to pour the molten iron through the angle adjusting structure, the overall operation is more convenient and faster, and the movable molten iron pouring device is convenient to operate and high in practicability. And a mechanical structure is used for operation, so that the human input can be effectively reduced, and the use effect and the use convenience are improved.

The invention relates to an aluminum coil three-dimensional warehousing system and a dispatching control method thereof in the technical field of metal manufacturing and storage, and the warehousing system comprises a stacking machine, a plurality of three-dimensional storage rack units correspondingly located in a high-temperature area, a medium-temperature area and a normal-temperature area, and a ventilation cooling device for controlling the temperature of aluminum coil bodies in the three-dimensional storage rack units. The intelligent control center can control the stacking machine to transfer, load and unload materials to all the temperature area three-dimensional storage rack units according to temperature control analysis and inventory states; the dispatching control method mainly comprises the steps that according to the warehousing temperature and the inventory state of the aluminum coils, the aluminum coils are conveyed into the vacant goods positions of the corresponding temperature areas, and transfer of all the temperature areas is conducted according to the cooling condition; according to the three-dimensional warehousing system and the dispatching control method thereof, the efficiency can be improved in the aluminum coil material storage and cooling links, and energy consumption and space occupation are reduced.

The present invention relates to the field of metal manufacturing, and specifically to a method for improving the comprehensive performance of alloy materials based on the principle of "weaving injection molding". The method comprises the following steps: 1) determining the alloy composition for plasticization and enhancement based on the service requirements of the alloy; 2) preparing an internal "woven" structure of the alloy for enhancing plasticity and a solid frame for forming, and placing the "woven" structure for enhancing plasticity at a predetermined position in the frame; 3) injecting materials for increasing strength and wear resistance into the solid frame; 4) subjecting the filled formed frame structure to a vacuum degassing treatment and welding and sealing; 5) performing hot isostatic pressing to prepare the required alloy material. The present invention enables formed alloys or components to have the characteristics of high strength, high plasticity, high wear resistance and low weight, breaking through the current technical bottleneck of improving the comprehensive performance of materials in the aerospace field, and promoting the further application of metal materials in the aerospace field.

The invention belongs to the technical field of metal manufacturing, and particularly relates to a preparation method of a wire rod for an ultrahigh-strength rare earth alloy wire. According to the method, material components are optimized based on a collaborative change relation established in a cluster mode, and production of the high-strength wire rod for the rare earth alloy wire with the strength improved by 1350 MPa or above and the area shrinkage larger than 35% is completed through process control. The technological process comprises the steps that ZH90Re steel serves as a raw material, and an LF furnace and a VD furnace are used for refining molten steel; electroslag remelting is carried out through die casting, and annealing and surface cleaning treatment are carried out; heating forging and annealing and surface cleaning of a forging stock are carried out; and finally, heating and rolling to obtain the wire rod. The tensile strength, the inclusion size and the number of the obtained wire rod reach the international leading level, and reliable technical support is provided for replacing import of the wire rod and achieving localization.

The present application provides a protective structure for the end of a packer rubber cylinder, including: a skeleton and a fixing ring, both of which are circular ring structures. The outer wall of the skeleton is provided with a plurality of protrusions along a circumferential array, and the outer surface of the protrusion has an external thread; the inner wall of the fixing ring has an internal thread, and when the fixing ring is coaxially connected to the skeleton, the internal thread on the fixing ring meshes with the external thread on the protrusion; it also includes a plurality of blades, each of which has a through hole at its root, and the blades are made of hard metal, and the blades are arranged along the circumferential array of the skeleton and enclosed to form a circular tube structure; the blades are sleeved on the outside of the protrusion through the through hole, and the top of the blade faces the same side of the skeleton, and the blades are swingingly arranged with the tangent of the skeleton passing through the protrusion as the axis, and the side of the blade overlaps with the side of the adjacent blade. This scheme completely covers the end of the rubber cylinder during the expansion of the rubber cylinder, provides sufficient support and sealing for the rubber cylinder, thereby effectively preventing the rubber cylinder from being damaged, and improving the sealing and pressure-bearing capacity of the rubber cylinder.

The present invention discloses a metal manufacturing cutting machine and a cutting method thereof, which can quickly adjust the distance. The cutting machine and a cutting method thereof relate to the field of metal manufacturing technology, and include a cutting seat, a cutting motor and a cutting knife. A mounting seat is fixed to the upper surface of the cutting seat, a disc is fixed to the front side of the mounting seat, a cutting knife is fixed to the front side of the pulley at the output end of the cutting motor, a collecting cover is installed at the front end of the cutting seat, a rectangular block is fixed to the bottom end of the cutting seat, and a cutting knife is arranged directly above the cutting groove. The metal manufacturing cutting machine and a cutting method thereof, which can quickly adjust the distance between the metal workpiece and the cutting knife, are convenient for cutting out metal workpieces of a desired length. When the cutting knife rotates to cut the workpiece, the transmission structure drives the stirring rod to rotate and stir the sand, and the rotation of the sand is used to quickly extinguish the spark, thereby improving the spark extinguishing effect. The transmission structure is used to reduce the number of power equipment and reduce costs.

The invention relates to the technical field of metal manufacturing equipment, and particularly discloses a feeding device of a silver-copper alloy contact re-pressing machine, which comprises a workbench, and further comprises a feeding mechanism movably mounted on the upper surface of the workbench; and the precision control mechanism is fixedly mounted in the feeding mechanism. According to the feeding device of the silver-copper alloy contact re-pressing machine, the feeding operation of a contact blank can be automatically completed through the arranged feeding mechanism, the problem that the production efficiency is not high due to the fact that manual filling needs to be frequently used in traditional equipment is solved, meanwhile, the production safety is greatly improved, and the feeding device is of an independent structure and is convenient to operate. The automatic feeding device is simple in structure and capable of automatically matching with different production lines, applicability of the automatic feeding device is greatly improved, meanwhile, contact blanks are fed into a mold after preparation is completed, automatic continuous production efficiency of the automatic feeding device is greatly improved, and the problem that defective products are generated due to the fact that excessive contact blanks are fed at a time when a leakage groove is opened is solved.

The present invention relates to a multi-piece clamping unit (28) for a stretching device (10), the clamping unit having a main component (32) and at least two guides (34). The main component has a base (36) and a clamping device (30) for clamping a material web (12), and each guide has a base (42) and at least one guide element (44) for guiding on a track (17) of the stretching device. The bases of the guides and the bases of the main component are manufactured as separate components and fixed to each other, the bases of each guide and the base of the main component are made of metal and manufactured by casting, the clamping unit has a main direction, and the bases of each guide are fixed to the main component by means of a threaded part of the clamping unit extending parallel to the main direction. Furthermore, the present invention also relates to a stretching device.

The invention discloses an electroplating solution for electroplating beryllium by using an organic solvent and a preparation method of a beryllium metal ribbon, and belongs to the technical field of metal manufacturing, the electroplating solution comprises the following raw materials: the organic solvent, a beryllium source, a reducing agent and a complexing agent; wherein the concentration of the beryllium source is 0.5 to 3 mol / L; the concentration of the reducing agent is 50-100g / L; the concentration of the complexing agent is 40-90 g / L. The invention also provides a preparation method of the beryllium metal thin strip, which comprises the following steps: by taking an aluminum plate as a cathode and a beryllium plate as an anode, electroplating a beryllium coating on the aluminum plate by using the electroplating solution; and removing the aluminum plate and the beryllium coating on one surface of the aluminum plate by laser ablation to obtain the beryllium metal thin strip. According to the method, the technical problem that the low-thickness beryllium metal thin strip cannot be obtained through a rolling technology is solved, beryllium resource waste and organic waste emission are remarkably reduced, and obvious environmental friendliness is achieved.

The utility model discloses a rotary hot cylinder heat preservation device which comprises an installation machine body, multiple sets of rotary hot cylinder bodies are installed on the surface of the installation machine body, and the surfaces of the multiple sets of rotary hot cylinder bodies abut against raw material paperboards. The end cover heat preservation cover and the second heat preservation reflecting plate are both made of metal, so that the end cover heat preservation cover and the second heat preservation reflecting plate have high infrared reflectivity, heat radiation of the rotary heat cylinder body is reflected back to the interior of the end cover heat preservation cover and the second heat preservation reflecting plate, dissipation can be avoided, and the first heat preservation cotton and the second heat preservation cotton are made of heat insulation materials and have low heat conduction coefficient. The end cover heat preservation cover can prevent heat loss, and the suede heat preservation adhesive tape can prevent steam emitted by the lower layer rotary hot cylinder main body during ironing of the raw material paperboard from being condensed on water drops formed at a lower temperature to accumulate and drop on the lower layer raw material paperboard. Accessories in the rotary hot cylinder main body can be conveniently checked and maintained.

Disclosed herein are exemplary embodiments of improved electrode plate and separator assemblies (400) for lead acid batteries, improved lead acid cells or batteries incorporating the improved assemblies, systems or vehicles incorporating the improved assemblies (400) and / or batteries (100), and methods related thereto. The electrode plate (200, 201) may have a grid (202) of a stamped, cast, or expanded metal manufacturing process. The grid (202) may have a non-uniform application of active material (203). The separators (300) preferably provide a support structure for resisting or mitigating any plate warping or plate deflection.

The utility model discloses a metal product manufacturing mold convenient to replace, and belongs to the field of metal manufacturing molds, the metal product manufacturing mold convenient to replace comprises an upper mold base and a lower mold base, moving blocks are slidably connected to the left side and the right side of the upper mold base, two first columns are fixedly connected to the sides, away from each other, of the two moving blocks, and connecting rods are rotatably connected to the outer sides of the first columns; second columns are rotationally connected to the other ends of the multiple connecting rods correspondingly, connecting blocks are fixedly connected to one sides of the second columns correspondingly, inserting blocks are fixedly connected to the bottoms of the connecting blocks correspondingly, and multiple first grooves matched with the inserting blocks are formed in the front side and the rear side of the lower die base correspondingly. According to the utility model, the structural design is reasonable, and the hand wheel, the bolt, the worm gear, the worm, the screw rod, the movable block and the insertion block are matched, so that the upper die holder and the lower die holder are conveniently fixed together, and therefore, a user can conveniently dismount the upper die holder and the lower die holder to mount lower die holders of other models, and the working efficiency is improved.

This invention relates to the field of metal manufacturing for equipment, specifically disclosing a casting processing apparatus for metal manufacturing for equipment. It solves the problems of existing equipment metals where it is inconvenient to combine casting and polishing to improve processing efficiency, and also the inability to universally process various shapes and specifications of equipment metal. The proposed solution includes a support frame, a magnetic polishing machine, a cleaning tank, a telescopic component, a frame, a mounting frame, a sliding rod, and a mold. The sliding rod is equipped with a mold opening assembly. A shelf is connected to the support frame, and a support plate is rotatably connected to the shelf. A limiting frame for supporting the support plate in a horizontal limiting state is also connected to the shelf. A driving assembly is provided on the frame. This apparatus can combine casting and polishing of equipment metal, improving production efficiency and facilitating simultaneous casting and polishing of various shapes and specifications of equipment metal, thus possessing high versatility.

To enable gas shielded arc welding capable of having excellent electrodeposition coating properties, regardless of the compositions of a welding wire and a material to be welded.SOLUTION: In a gas shielded arc welding method using a shielding gas and applying a wire feeding control method in which forward feeding and reverse feeding are alternately repeated while feeding a welding wire at a predetermined average wire feeding speed, the shielding gas contains, in terms of volume fraction with respect to the total gas constituting the shielding gas, at least O2 of 10 to 30 vol%.SELECTED DRAWING: Figure 5

The invention relates to the field of metal manufacturing, in particular to a method for improving the comprehensive performance of an alloy material based on the'weaving 'forming principle. The method comprises the following steps: 1) determining alloy components for plasticizing and enhancing functions based on alloy service requirements; (2) an alloy internal woven structure used for enhancing plasticity and a solid frame used for forming are prepared, and the woven structure used for enhancing plasticity is placed at a preset position in the frame; 3) injecting a material for enhancing strength and wear resistance into the solid frame; (4) vacuum degassing treatment is conducted on the filled forming frame structure, and welding and sealing are conducted; 5, hot isostatic pressing treatment is carried out, and the needed alloy material.The formed alloy or component has the advantages of being high in strength, plasticity and abrasion resistance, low in weight and the like, the technical bottleneck of improvement of the comprehensive performance of materials in the aerospace field at the present stage is broken through, and further application of metal materials in the aerospace field is promoted.

The invention relates to the technical field of punching, and discloses a fire-fighting metal manufacturing punching machine which comprises a bottom plate, the top of the bottom plate is fixedly connected with a punching machine body, the inner wall of the middle end of the punching machine body is fixedly connected with a workbench, the top of the punching machine body is fixedly connected with a motor, and the output end of the motor is fixedly connected with a telescopic rod. The bottom of the telescopic rod is fixedly connected with a punching head, the pressing mechanism comprises a top plate, the inner wall of the top plate is fixedly connected with the outer wall of the telescopic rod, and the left side of the bottom of the top plate is fixedly connected with two rectangular blocks. According to the punching device, the first springs are arranged, and when a plate is punched, the first springs can absorb impact force borne by the plate. Therefore, in the stamping process, the plate cannot be fixed too tightly, and the stamping force can be effectively controlled in time, so that the integrity of the plate during stamping is guaranteed, and a good stamping effect is achieved.

Devices, systems, and methods are directed to coated powder for three dimensional additive manufacturing. The powder may include a first material coated with a second material, with the coating advantageously resisting segregation of the first material and the second material during handling processes associated with fabrication. The reduced segregation of the first material and the second material may facilitate forming finished three-dimensional parts with improved homogeneity of microstructures and, thus, improved physicochemical properties. More generally, the reduced segregation of the first material and the second material achievable through coating the first material with the second material may facilitate binder jet fabrication using a wider array of combinations of first material and second material as compared to binder jet fabrication using mixtures of constituent powders of the first material and the second material.

The invention provides a pressurizing device capable of controlling the pressure distribution of a pressed surface. This pressurizing device (1, 1A) is provided with: a first pressurizing member (4, 14); a second pressing member (6, 16) disposed below the first pressing member; intermediate members (5, 15, 5B-5E) disposed adjacent to the first pressing member and the second pressing member between the first pressing member and the second pressing member; and planar upper pressing surfaces (71a, 171a) made of metal. The intermediate member is provided with: contact regions (R1, R11) that come into contact with the second pressing member; and non-contact regions (R2, R12) that do not come into contact with the second pressing member. The upper pressing surface is provided with pressing surface regions (R3, R13) that come into contact with the workpiece. The contact region is disposed adjacent to the non-contact region when viewed from the vertical direction, and is disposed further inward than a first outer peripheral line (Lo1) indicated by the outer peripheral line of the pressure surface region.

The utility model relates to an anti-vibration metal hose, and belongs to the technical field of hoses specially suitable for metal manufacturing. Comprising a metal corrugated pipe of which one end is connected with a first joint and the other end is connected with an inner connecting pipe; the inner connecting pipe is connected with a second joint; the metal corrugated pipe is sleeved with a metal wire mesh sleeve, one end of the metal wire mesh sleeve is fixed to the connecting position of the first connector and the metal corrugated pipe through a first buckle, and the other end of the metal wire mesh sleeve is fixed to the connecting position of the second connector and the inner connecting pipe through a second buckle. The metal wire mesh sleeve is sleeved with a spring, one end of the spring is welded to the outer surface of the first buckle, and the other end of the spring is welded to the outer surface of the second buckle. The metal wire mesh sleeve is sleeved outside an existing metal corrugated pipe, then the spring is clamped outside the metal wire mesh sleeve through the first buckle and the second buckle, vibration borne by the anti-vibration metal hose is absorbed through the metal wire mesh sleeve and the spring, and the anti-vibration capacity of the metal hose is greatly improved.

The invention relates to a manufacturing method for erecting an outdoor firewall. The outdoor firewall is composed of vertical rods and middle partitions. The firewall is lifted manually, electrically and the like, forest fire spreading combustion can be prevented, and large-area spreading cannot be achieved. The vertical rods can be made of iron, steel, aluminum and other metals, and are coated with antirust paint, fireproof paint and the like. A foundation section, a middle section and a vertex section with standard specifications can be manufactured, and the sections are assembled during use, and are fixed in overground soil by using recyclable soil expansion screws through diagonal draw bars or diagonal draw lines of the sections and underground pointed cones, X-shaped side wings and the like of the foundation section, so that the middle partition is mainly supported. The middle partition is made of asbestos fiber cloth and nets or metal nets such as iron sheets, steel sheets and aluminum sheets, roller shutters and the like, is higher than nearby trees, and is mainly used for preventing fire and preventing flames from burning towards other trees.

The utility model discloses a tapping machine chipping collecting device which comprises a collecting groove, and an installation block is installed on the outer side of the collecting groove. A mounting shell is mounted at the lower end of the collecting tank, a worm is arranged on the inner side of the mounting shell, and one end of the worm is connected with the output end of the motor; a mounting shaft is fixed to the upper end of the worm gear, a spiral discharging strip arranged in the collecting groove is mounted at the upper end of the mounting shaft, and the spiral discharging strip is in a spiral shape; a mounting column is arranged on one side of the spiral discharging strip, a connecting base is fixed to the lower end of the mounting column, a fixing rod fixed in the collecting groove is mounted on the inner side of the connecting base, and a spring is mounted on the outer side of the fixing rod. The utility model belongs to the technical field of metal manufacturing, and achieves the technical effects that scraps accumulated in the collecting groove can be pushed outwards by utilizing the rotation of the spiral discharging strip, so that the scraps are prevented from being accumulated in the middle position of the collecting groove to influence the subsequent scrap discharging.

The invention discloses dust treatment equipment for non-ferrous metal alloy manufacturing, and relates to the technical field of metal manufacturing, the dust treatment equipment comprises a main shell and a conical shell fixedly mounted at the bottom of the main shell, an air outlet cylinder is fixedly mounted at the top of the main shell, and a fan is mounted in the air outlet cylinder; a primary filtering mechanism is fixedly mounted on the inner wall of the conical shell, a discharging pipe is fixedly mounted at the bottom of the conical shell, a dehumidification mechanism is mounted on the outer surface of the conical shell, and a dust removal mechanism is mounted in an inner cavity of the main shell. According to the dust treatment equipment for non-ferrous metal alloy manufacturing, water vapor in dust-containing gas for non-ferrous metal alloy manufacturing is removed through the dehumidification mechanism, meanwhile, high-temperature dust-containing gas is efficiently cooled, non-ferrous metal dust and impurities in airflow are separated through the primary filtering mechanism and the dust removal mechanism, and efficient dust removal of the equipment is achieved through cooperation of a telescopic dust removal piece and a cam; filter materials do not need to be frequently disassembled and replaced, and equipment operation and maintenance cost is reduced.

The utility model relates to the technical field of non-ferrous metal manufacturing, and discloses an environment-friendly smelting furnace for non-ferrous metal manufacturing, which comprises a shell with a cavity, a top plate arranged at the top of the shell with the cavity, a driving motor arranged at the top of the shell with the cavity, a stirring rod arranged at the power output end of the driving motor, and a pressing rod arranged at the top of the top plate. The scraping ring is arranged in the shell with the cavity, when a bolt on the side wall of the locking ring is unscrewed, the pressing rod can be pushed upwards, the sliding rod drives the displacement rod to move upwards, and therefore the scraping ring scrapes the inner wall of the cavity of the shell with the cavity. And therefore, scale attached to the inner wall of the cavity of the shell with the cavity can be scraped off, the interior of the cavity of the shell with the cavity can be conveniently cleaned, and the smelting furnace for manufacturing the non-ferrous metal can be conveniently used for a long time.

The invention discloses an aluminum foil winding device, and relates to the technical field of metal manufacturing, a winding roller can rotate relative to a box body, a flattening assembly is rotatably mounted in the box body, the flattening assembly comprises at least two flattening rollers, and before being wound onto the winding roller, aluminum foil firstly passes through a gap between the two flattening rollers and then passes through the gap between the two flattening rollers; the supporting rollers are also rotationally mounted at the top of the box body and are parallel to the flattening rollers, the supporting rollers are in driving connection with the driving part, and the supporting rollers can be supported below the aluminum foil and drive the aluminum foil to enter a gap between the two flattening rollers; the high-temperature-resistant adhesive tape can form a smooth protective layer on the surface of the flattening roller, the adsorbability of the flattening roller can be reduced, the situation that the flattening roller adsorbs aluminum ash is greatly reduced, meanwhile, cleaning is quite convenient, the grinding frequency of the flattening roller can be reduced, and the service life of the flattening roller is prolonged.

This application relates to the field of pulsed power technology, and discloses a flat-top pulsed current generator and control method for metal fabrication. The control method corresponds to the flat-top pulsed current generator. The device includes a charging circuit, a main power circuit, a ripple compensation circuit, and an inductive load. The control method employs a structure combining a high-voltage energy storage circuit and a freewheeling energy feeding circuit, shortening the rise and fall edges while feeding back the energy stored in the metal load to the high-voltage energy storage circuit. During the flat-top phase of the metal load current, an H-bridge circuit provides initial compensation for the flat-top current; a linear regulating transistor provides more precise compensation; and by monitoring the real-time temperature of the metal, the repetition frequency required to stably maintain the metal at the target temperature under the set flat-top current amplitude and pulse width is dynamically calculated, ultimately generating a high-efficiency, low-ripple flat-top pulsed current.