183results about How to "High processing flexibility" patented technology

The invention discloses a composite gradual plate forming device and method, belonging to the technical field of plate processing. The device comprises a five-axis processing and forming unit, a plate clamping workbench, a hydraulic cylinder, a six-axis parallel robot-assisted processing platform and other components, wherein the five-axis processing and forming unit is arranged on the main body bed body of a machine tool; the plate clamping workbench is arranged on a machine tool workbench through the hydraulic cylinder; and the six-axis parallel robot-assisted processing platform is arranged below the plate clamping workbench and arranged on a machine tool workbench surface. By adopting the device, optional combination of forming tools can be realized on the five-axis processing and forming unit and the six-axis parallel robot-assisted processing platform, forming of a single forming head, forming of double forming heads and combined forming of a forming head and a supporting mold are completed, a plate and a mold can be cut at the early and later stages of forming, and composite forming of complex curved surface metal plates with various characteristics is realized. The device is a high-flexibility gradual plate forming device.

The invention relates to an arc oscillation-based gas shielded welding arc tracking method which comprises the following steps that after the welding is started, a welding gun starts doing a periodic oscillation along a direction vertical to a weld joint; a current sensor carries out real-time sampling on a welding current; sampled data is filtrated; filtered data is subjected to deviation judgment and converted into deviation data; and the deviation data is converted into a movement command, and a weld joint track is compensated in real time through a deviation rectifying device. Because sampled signals are filtered by adopting software, the arc oscillation-based gas shielded welding arc tracking method is high in response speed and tracking precision; and due to the adoption of a dual-filtering mode, the signal mutation caused by instable arc is reduced, the deviation compensation dosage is calculated by using known welding parameters, the support of a database or expert system is not needed, the requirement of a welding device on a weldment processing precision is lowered, and thus the arc oscillation-based gas shielded welding arc tracking method is an effective means for realizing the flexible automatic welding.

The invention discloses an ultrathin plank stuff pulse laser micro-riveting method and a special device for realizing the method. The method relates to a method which leads laser acted on a plank stuff to form a flexible convex mold and pivots double-layer or multi-layer plank stuff together. An optimized scheme is to lead laser on an energy absorption layer covered on the surface of the plank stuff under the action of a restraint layer to generate plasma detonation waves which are used as a flexible convex mold and then act on the plank stuff to pivot double-layer or multi-layer plank stuff together. The special device realizing the ultrathin plank stuff pulse laser micro-riveting method consists of a laser generator system, a frock clamper system and a working platform system. Through the method can process the metal materials like steel, aluminum and copper, etc., and can also process the non-metal material like silicon and plastic. The invention is in particular suitable for micro-apparatus part manufacture like the fields of pivoting of a metal contact of a micro-switch and forming the micro-electric packaging for the contact area.

The invention relates to a method for adopting an industrial robot to carry out the ordinary sand mold milling processing, which pertains to the filed of the cross technology of casting, numeric control processing and the industrial robot. The steps of the method of the invention are that: a tool and a planned milling path are selected according to the shape of a sand mold to be processed, the generated NC code is translated into a control code of the robot according to a motion model of the industrial robot, thus realizing the gesture control of the robot during the processing process, carrying out the milling of a sand lump and finally carrying out the post-processing of the sand lump after the processing. Compared with the existing traditional casting mold processing method, the processing method of the invention can save the manufacturing link of the mold, reduce the processing procedure, shorten the production period and reduce the production cost; compared with the machine tool-based sand mold milling processing method, the processing method of the invention has larger processing range and higher processing flexibility, in particular to a motion guide track without the need of carrying out the strict sand control protection. The method of the invention is especially applicable to the single and small-batch processing and manufacturing of the large-scale sand mold.

The invention discloses a servo electrohydraulic composite pressure method, comprising the following steps: 1) arranging a stander; 2) arranging an upper hydraulic device on the stander, 3) arranging a closed ring servo electrohydraulic control system, wherein the closed ring servo electrohydraulic control system is connected with the upper hydraulic device, and controls the work situation of the upper hydraulic device; the invention further discloses a press machine which implements the method; the method provided by the invention uses a servo electrohydraulic technology to replace the traditional electrohydraulic control technology, which has simple manufacturing, high efficiency, little power consumption and high control precision; the position control precision can reach to 0.01 to 0.02 millimeters; the pressing, the tensioning, the de-molding, the full deciding and other functions can be realized simultaneously, so the method has a comparatively high processing flexibility; the press machine provided by the invention is rational in structure, little in volume, stable in work, high in capacity, little in noise, and wide in application range. The advantages of a mechanical punching machine, a hydraulic punching machine and a numerical control are integrated, so the press machine has the advantages of multi-function, low cost, large pressure tonnage, etc.

The invention discloses a corrugated pipe forming device based on electromagnetic forming. The corrugated pipe forming device is characterized by comprising a rectifier (1), a resistor (2), a switch (3), a capacitor (4), a boosting transformer (5), an upper fixing plate (6), fixing bolts (7), a pressing block (8), a mold base (9), a constraint mold (11), a coil (12), a lower fixing plate (13), a T-shaped platform (14), trapezoid holes (15), exhaust holes (16), fixing grooves (17) and a wire hole (18). In addition, a thin-wall energy-absorption corrugated pipe forming method based on the electromagnetic forming principle has the advantages that the number of machining processes is small, machining efficiency is high, forming accuracy is high, the pipe forming speed is high, a thin-wall metal pipe can be formed at a high strain rate, the plasticity of metal materials is improved greatly, and the yield strength of the materials is enhanced substantially. By changes of the shape of the constraint mold in the forming device, different wave shapes can be formed, and machining flexibility of the forming device is high.

The invention discloses a method for performing laser welding by filling powder between an aluminum sheet and a steel sheet and belongs to the technical field of laser welding. Electric arc energy in the prior art is difficult to control, if too much heat is input into one side of aluminum, the temperature is too high, and the temper brittleness phenomenon is generated and intensity of a welding joint is reduced. Moreover, the phenomenon of welding wire blocking is generated during welding. The technical problems are more serious for sheets with thickness of less than 4mm. A welding workpiece is an aluminum panel and a steel panel which are butted on the same plane with gaps; beveled edges are formed at seams; Al-Si solder is adopted, alloying elements Cu, Mn, and Zn are added, and the aluminum panel and the steel panel are respectively the aluminum sheet and the steel sheet of which the thicknesses are both 1 to 4mm; and the Al-Si solder is made into powder, powdery Al-Si solder is added into a groove formed by clamping the beveled edges of the aluminum sheet and the steel sheet respectively, and the aluminum sheet and the steel sheet travel together and welding is performed by taking laser as a welding heat source.

The invention relates to a trigonometric function acceleration and deceleration control method for high-quality machining. The method comprises a pre-interpolation stage and a real-time spline interpolation stage. In the preprocessing stage, a path to be machined is quickly interpolated, key information is recorded, and the trigonometric function speed equation in each acceleration and deceleration section is calculated. In the real-time spline interpolation stage, the real-time feed rate of a cutter is calculated according to the recorded information and the speed equations in the preprocessing stage, and then, next interpolation parameter is calculated in real time using a Newton iteration method, and real-time spline interpolation is carried out. The method is simple in control. Continuous change of speed, acceleration and jerk in the process of machining is realized, and fluctuation in feed rate is reduced. Therefore, the machining precision is guaranteed, overshoot caused by high-speed machining is eased, and flexible acceleration and deceleration control on a servo shaft is achieved. The method is suitable for high-quality processing.

The invention discloses a novel numerical control cutting machine which comprises a rack, wherein a working table used for supporting a workpiece is arranged on the rack. The novel numerical control cutting machine further comprises a cross beam capable of moving on the rack, a processing component used for processing the workpiece on the working table, a material sucking device used for loading materials, a dust collection device used for cleaning chips on the surface of the workpiece on the working table, and a material pushing device used for pushing the processed workpiece away from the working table. According to the novel numerical control cutting machine, the processing efficiency is high, the processing accuracy is high, the automation degree is high, the operation is convenient, a straight line edge can be processed on the workpiece, an arc edge can be processed, the processing range is wide, and the processing flexibility is high.

The invention discloses a dual-robot cooperation welding and detection apparatus control system. The system comprises a fixed stock bin, a robot carrying mechanism, a welding robot mechanism, an intelligence control system, a visual sense detection apparatus and a mobile stock bin. The fixed stock bin is at a loading station. The welding robot mechanism is at a welding station. The visual sense detection apparatus is at a detection station. The mobile stock bin is at an unloading station. The fixed stock bin is used for loading. The robot carrying mechanism carries a caterpillar band gear disc to the welding robot mechanism from the fixed stock bin so as to carry out welding, then carries the caterpillar band gear disc to the visual sense detection apparatus so as to carry out welding and quality detection, and then carries to the mobile stock bin. The intelligence control system comprises a computer, a PC digital quantity and analog quantity input and output module, and a carrying robot and welding robot controller. In the invention, automatic loading of the caterpillar band gear disc, dual-robot cooperation welding, welding quality online detection, branch warehouse stacking of a finished product and other functions are realized; an automation degree of equipment is high; manual intervention is not needed during a whole process; and welding quality consistency is high.

A process related to sodium chemicals production, including the processing of bicarbonate containing solutions obtained by solution mining of trona, nahcolite or wegscheiderite reserves and the lake waters containing bicarbonates, includes the steps of purification, evaporation-decarbonation, crystallization, centrifuging, and drying.

The laser loaded 3D micron and nanometer size forming process and equipment belongs to the field of MEMS processing technology and laser micro processing technology. The 3D forming process includes the following steps: grinding and polishing the two sides of target, and pressing one micron level thick aluminum film as the absorption layer and one transparent optical medium as the restraint layer onto the target; regulating ns pulse laser and optical path for focusing the laser onto the target surface and emitting single ns laser pulse to impact the target for adhesion between the target and the template. The present invention can form impacted surface with greatly raised hardness, corrosion resistance, wear resistance and fatigue strength, and may be used widely in machining key parts in MEMS. The machining process has the advantages of easy control, high machining flexibility and no pollution.

A five-axis CNC abrasive water jet automatic polishing machine, including a base, a workbench is installed inside, a filter screen and a liquid collection box are arranged under the workbench; a beam is installed above the base, and a longitudinal beam is installed on the side of the beam , the longitudinal beam can move left and right and up and down on the beam, the nozzle support is installed at the end of the longitudinal beam, and the support is fixedly connected with the rotating shaft inside the longitudinal beam, driven by the servo motor at the top of the longitudinal beam to realize the rotation of the nozzle support, the support Abrasive water jet nozzle is installed on the top, and the nozzle is driven by a worm gear motor, which can swing left and right; the high-pressure water generation system is located on the back of the base, and is connected to the water inlet of the nozzle mixing chamber through a high-pressure water pipe; the abrasive supply system is installed on the base at the rear of the beam On, the abrasive is delivered to the sand inlet of the nozzle mixing chamber. The invention can realize the surface polishing processing of any three-dimensional curved surface, especially for the precision processing and surface treatment of complex curved surfaces and tiny surfaces, and has the effects of high precision, precise control of removal amount and the like.

The invention discloses a machining method for manufacturing a regular microtexture on the surface of a metal matrix or coating, and belongs to the technical field of laser machining and micro-abrasive jet machining. The machining method includes steps of manufacturing a mask, and machining a texture. In the step of manufacturing the mask, a metal material or an inorganic material is used as a mask plate material, patterns are machined on the plate material by a laser machining process, the thickness of a mask plate ranges from 50 micrometers to 300 micrometers, and a ratio of the thickness of the mask plate to the diameter of the smallest pattern of the texture is required to range from 0.5 to 1.2. In the step of machining the texture, the mask is fixed onto the surface of the metal matrix or coating to be machined after the surface of the metal matrix or coating is ground and cleaned, erosion machining is carried out by a micro-abrasive jet machining technology, the erosion pressure ranges from 0.3MPa to 0.8MPa, hard abrasive grains with grain sizes smaller than 50 micrometers are selected, and the diameter of a gas jet nozzle of a spray gun ranges from 1 millimeter to 3 millimeters. The machining method has the advantages of wide application range, high machining efficiency and precision, low cost, good repeatability, controllable machined patterns and the like.

The invention discloses a pulsed laser forming method of a thin-walled corrugated tube and a special device for realizing the method. The method comprises the following steps: a pulsed laser beam 4 acts on an energy absorbing layer 6 covered on the surface of a thin-walled tube 7 so as to produce plasma cloud; the plasma cloud further absorbs laser energy and explode, the detonation wave thus produced causes impact force facing the tube wall under the action of a bushing 5 of a restraint layer, and the thin-walled tube 7 is machined into a corrugated tube by virtue of the axial translation and rotation of the thin-walled tube 7. The special device for realizing the method is composed of a laser generator system, a laser head system, a workpiece system, a workbench system and a motion control system. By the method, the metal and alloy materials made from steel, aluminum, copper and the like can be machined, and the non-metallic materials such as silicon and the like can also be machined. The method is especially suitable for manufacturing parts of micro electromechanical systems such as a micro sensor, a micro compensator and a micro connector.

The invention relates to a large-size high-speed micropore drilling system which comprises a light beam space modulation module and a galvanometer scanning flat field focusing module. Particularly, the light beam space modulation module, particularly a plurality of transparent flat optical elements are combined with the galvanometer scanning flat field focusing module, the light beam space modulation module is used for modulating the space trace of a laser light beam, the galvanometer scanning flat field focusing module is used for focusing laser and rapidly switching laser spots at different machining positions, and the two modules are in division and cooperation. By the aid of the scheme, large-size micropore drilling can be realized, laser drilling efficiency and drilling quality are greatly improved, the large-size high-speed micropore drilling system is quite suitable for drilling straight holes, laser light beam filling and scanning shapes and sizes can be dynamically controlled, micropore drilling pore diameters can be dynamically changed, and fine structures can be flexibly machined.

The present invention relates to a magnesium compound-supported nonmetallocene catalyst, which is produced by directly contacting a catalytically active metallic compound with a nonmetallocene ligand-containing magnesium compound, or by directly contacting a nonmetallocene ligand with a catalytically active metal-containing magnesium compound, through an in-situ supporting process. The process is simple and flexible. In the process, there are many variables in response for adjusting the polymerization activity of the catalyst, and the margin for adjusting the catalyst load or the catalyst polymerization activity is broad. The magnesium compound-supported nonmetallocene catalyst according to this invention can be used for olefin homopolymerization / copolymerization, in combination with a comparatively less amount of the co-catalyst, to achieve a comparatively high polymerization activity. Further, the polymer product obtained therewith boasts high bulk density and adjustable molecular weight distribution.

The invention discloses a composite energy absorption tube machining device which comprises a rectifier (1), a resistor (2), a switch (3), a capacitor (4), a boosting transformer (5), an upper fixing plate (6), a fixing bolt (7), a pressing block (8), a mould frame (9), a constraint mould (11), a coil (12), a lower fixing plate (13), a T-shaped platform (14), an exhaust vent (16), a fixing groove (17) and a wire hole (18). Compared with a hydraulic forming method and a mechanical bulging method, a composite metal energy absorption forming method based on the electromagnetic forming principle and used in the composite energy absorption tube machining device is high in machining efficiency and high in the pipe fitting forming speed and enables composite metal tubes to be formed under the high strain rate; due to the fact that the high strain deformation process can be used for forming metal materials which are deformed difficultly through a conventional method, the plasticity of the metal materials is greatly improved, and the yield strength of the materials is greatly improved. Different wave forms and reinforcing ribs can be formed by changing the shape of the constraint mould in a mould body, and the machining flexibility is high.

The invention discloses a multi-robot automatic surface spray coating system for a large-sized complicated workpiece. The multi-robot automatic surface spray coating system for the large-sized complicated workpiece comprises an upper surface spray coating system, a lower surface spray coating system and a rotating table system. The upper surface spray coating system comprises a cross beam rack, afirst linear movement mechanism and a first spray coating robot, the first linear movement mechanism drives a first spray coating robot to move to conduct spray coating on the upper surface of the workpiece. The lower surface spray coating system comprises at least two spray coating units. The spray coating units are inclined at a set angle relative to the center axis of the rotating table system.Each spray coating unit comprises a second linear movement mechanism and a second spray coating robot. The second linear movement mechanisms drive the second spray coating robots to move to conduct spray coating on the lower surface of the workpiece. The rotating table system is used for holding the workpiece and adjusts the position of the workpiece. The multi-robot automatic surface spray coating system is suitable for surface spray coating of the large-sized complicated workpiece, the labor cost is reduced, and the spray coating efficiency and coating quality are improved.

The invention discloses a composite helical antenna precision manufacturing method and a measurement machining device and belongs to the field of communication equipment manufacturing. The invention particularly relates to a precise manufacturing method and a measurement and machining integrated device for an ultra-wideband three-dimensional helical antenna with composite coating. The precise manufacturing method adopts the combination of various machining techniques and is also combined with the laser measurement location technology to finish the precise manufacturing of the three-dimensional helical antenna. A frustum-shaped polymide substrate is adopted, the upper surface and the conical surface of the polymide substrate of the composite helical antenna are subjected to overall copperization, and the photolithography technique, the laser rough machining and the fine milling finish machining are adopted for machining. A high-precision 2D (2-dimensional) displacement sensor is utilized to carry out antenna feature extraction to realize the integration of machining and measurement. The measurement machining device consists of a measurement machining component and a five-axis precise digital control displacement platform. The manufacturing method and the measurement machining device have good machining precision, high efficiency and good flexibility and can be widely applicable to machining various types of communication equipment.

A technology for machining the shaped surface of engineered ceramic blade by numerally controlled developing, creep advance and ultrasonic grinding features that the ceramic work piece is ultrasonically vibrating in Z axis, the grinding disc is rotating around main shaft perpendicular-to Z axis at high speed, and under the control of numeral control system, the grinding disc and work piece are relatively moving in X, Y, Z directions and rotating around Z axis. Its apparatus is composed of a numerally controlled 5-axle machine tool, numeral control system, grinding disc and its main shaft, frequency-regulatable motor and its control system and ultrasonic vibrating system.

The invention discloses a precise tiny electric spark processing method for an outer conical surface and an inner conical surface of a needle valve body of an oil nozzle coupling member of a diesel engine, belonging to the technical field of special processing. The precise processing method comprises the following steps of: processing the outer conical surface of the needle valve by adopting a wire electrode moving and processing method, wherein needle valves with different conical angles can be processed through adjusting the moving angle of the electrode or the moving speed of a rotating main shaft mechanism and a wire electrode moving mechanism; and using an another electrode to process the inner conical surface of the needle valve body by adopting the tiny electric spark processing method, wherein the shape of the another electrode is consistent with that of the outer conical surface of the needle valve. The precise tiny electric spark processing method disclosed by the invention has the characteristics of simple processing device, high processing accuracy and high sealing performance of a processed conical surface; and a better processing method is provided to process the needle valve of the oil nozzle coupling member and the conical surfaces of the needle valve body.

The invention discloses a semiautomatic streamline type production system and method for a high-strength threaded steel bar and relates to a production system and method for the high-strength threaded steel bar. The production system comprises a centerless lathe, a screw rolling machine and a heat treatment system, wherein the centerless lathe is connected together with the screw rolling machine through an automatic joining device; and the screw rolling machine is connected together with the heat treatment system through an automatic discharging mechanism of the screw rolling machine. The method comprises the steps of feeding S1 blanking, S2 turning, S3 roll threading, S4 heat treatment and S5checking. According to the semiautomatic streamline type production system and method disclosed by the invention, the production efficiency can be increased, the cost of products is reduced and the quality of the products is ensured; and the semiautomatic streamline type production system and method are suitable for producing the high-strength threaded steel bars with the diameter being 50-80mm and the length being 12m.

The invention provides a self-propelled type mechanism for the inner wall processing of a large barrel, which belongs to the technical field of numerical control processing. The self-propelled type mechanism comprises a fixing assembly, an axial motion assembly, a movement platform, a plurality of rotating assemblies, a rotating platform and a plurality of actuating mechanisms, wherein the axial motion assembly is connected with the fixing assembly, the movement platform is respectively connected with the axial motion assembly and the rotating platform, the plurality of rotating assemblies are respectively connected with the rotating platform and uniformly distributed in a mode of a circumferential array, and the plurality of actuating mechanisms are all fixedly connected with the movement platform and the rotating platform and uniformly distributed in a mode of a circumferential array. With the self-propelled type mechanism, the simultaneous work of a plurality of processing cutters in the large barrel can be realized, symmetric processing tracks can be formed, and high-speed milling of the inner surfaces of column surfaces, agitation, friction welding and other technologies can be finished. The self-propelled type mechanism has the characteristics of compact arrangement space, large work range, high structure rigidity, good bearing property, easy control mode, high operationaccuracy, high processing efficiency, high flexibility degree and the like.

The invention discloses a rapid forming method of a high-performance Nd-Fe-B magnetic body, and relates to a preparation method of a permanent magnetic material. The rapid forming method comprises the steps of (1) weighing raw materials of each element according to the composition of a magnetic body, and mixing the raw materials; (2) preparing an Nd-Fe-B alloy strip through a rapid-hardening strip casting technology; (3) carrying out layer-by-layer magnetic-field-assisted laser melting deposition on the Nd-Fe-B alloy strip under protective atmosphere or vacuum, and preparing an Nd-Fe-B magnetic body; (4) carrying out thermal deformation on the Nd-Fe-B magnetic body, and strengthening a magnetic texture; (5)carrying out vacuum low-temperature tempering on the Nd-Fe-B magnetic body which is subjected to the thermal deformation, improving a grain boundary structure, and improving the performance of the magnetic body. The rapid forming method disclosed by the invention is suitable for preparing a large-size Nd-Fe-B magnetic body, and the prepared Nd-Fe-B magnetic body is small in grain, uniform in Nd-rich phase distribution, high in density, low in oxygen content and beneficial for improving the performance of the magnetic body. The preparation method disclosed by the invention is simple in technology, short in process, easy to operate and suitable for large-scale batch production.

The invention discloses a magnetron laser bionic compound reinforcing method and relates to surface modification of metal materials. The method includes the main steps of 1, polishing the surface of metal material with abrasive paper, and cleaning the surface with alcohol; 2, subjecting the surface of the metal material to magnetron laser bionic fusing so as to obtain a bionic reinforcement fusing track; 3, setting an absorbing layer and a restraint layer on the fusing track; 4, subjecting the fusing track to laser shot-peening so as to obtain the compound reinforced bionic structured surface. The magnetron laser bionic compound reinforcing method combining magneto-stirring effect has the advantages in laser thermal effect; the bionic reinforced structure is made on the surface of the metal material; microstructure and residual stress of a bionic reinforced area are comprehensively controlled, the compound reinforcing effect of fine crystal strengthening and stress strengthening is produced, and the properties of the metal material such as surface wear resistance and fatigue resistance are significantly improved. The magnetron laser bionic compound reinforcing method with simple process is easy to operate and suitable for large-scale batch production.

The invention provides a plate fillet weld polishing numerical control machine tool based on profile measurement and a machining method. The plate fillet weld polishing numerical control machine tool based on profile measurement comprises a machine tool bed, a workbench, a workpiece positioning fixture, a polishing head, a sliding table, a sliding table driving device, a vertical column, a vertical column driving device, a polishing wheel dressing device and a workbench driving device, wherein the workbench, the vertical column, the vertical column driving device and the workbench driving device are arranged on the machine tool bed, the polishing wheel dressing device is arranged on the workbench, and the workbench driving device is used for driving the polishing wheel dressing device to move in the X-axis direction of the machine tool bed through the workbench; the vertical column driving device drives the vertical column to move in the Y-axis direction of the machine tool bed; the polishing head is connected with the vertical column through the sliding table, and the sliding table driving device is used for driving the polishing head to move in the Z-axis direction of the machine tool bed; the workpiece positioning fixture is used for positioning and clamping a fillet weld plate to be polished. The plate fillet weld polishing numerical control machine tool based on profile measurement can be used for completing fillet weld polishing of various types of workpieces in a self-adaptive mode, and has very good machining flexibility.

The invention discloses a hydroforming method for manufacturing a multilayer metal sealing gasket. The method comprises the following steps of (1) material preparing: manufacturing cylindrical blanks;(2) assembly: sequentially assembling the cylindrical blank of each layer of metal sealing gasket in a sleeve mode; (3) stress relief heat treatment; (4) hydraulic bulging: machining a hydraulic bulging mold consistent with the outline of the multilayer metal sealing gasket product to form a multilayer metal sealing gasket semi-finished workpiece; (5) trimming: removing the hydraulic bulging mold; (6) shape correction: machining a shape correcting mold consistent with the outline of the multilayer metal sealing gasket semi-finished workpiece; (7) aging treatment: carrying out aging strengthentreatment on the multilayer metal sealing gasket semi-finished workpiece; (8) polishing: polishing the sealing surface of the multilayer metal sealing gasket semi-finished workpiece; and (9) cleaningand packaging: carrying out surface cleaning on the multilayer metal sealing gasket semi-finished workpiece to obtain the multilayer metal sealing gasket product. The hydroforming method for manufacturing the multilayer metal sealing gasket has the characteristics of simple and convenient operation and good product quality.

The invention relates to a device for dieless progressive molding of a metal plate, which comprises two industrial manipulators (2), molding tool heads (3), a plate clamping frame (7) and a platform (1), wherein the plate clamping frame is fixed in the middle of the platform; the two industrial manipulators are respectively distributed at both sides of the plate clamping frame (7); and one ends of the two molding tool heads are connected with the industrial manipulators (2), and the other ends are in contact with a plate on the plate clamping frame (7). At work, the industrial manipulators (2) drive the molding tool heads (3) to move to respectively exert both sides of the plate, the molding on the whole plate can be realized, the molding or correction of a small local area on the plate can be also realized, and various metal plate parts meanwhile containing convex and concave curved surfaces are molded without a die and have larger processing flexibility. The invention has simple structure and low use cost and is suitable for the molding processing of parts in small batch with various complicated curved surfaces, such as automobile covering element, aerospace aircraft shell, and the like.