501 results about "Deep drawing" patented technology

The invention provides a drawing simulation method for an anisotropic material, and belongs to the technical field of drawing simulation, and the drawing simulation method comprises the following steps: firstly, measuring a microstructure structure of the anisotropic material, and constructing a constitutive model of a dynamic self-adaptive material; importing the constitutive model into finite element analysis software to form a finite element model of multi-physical field interaction behaviors; importing the finite element model into an adaptive mesh generation algorithm to form a finite element simulation result; performing real-time analysis on a finite element simulation result by using a deep learning algorithm, and outputting an analysis report in a visual chart form; and the die fillet radius, the drawing gap, the blank holder force, the drawing speed, the friction coefficient and the electromagnetic regulation and control parameters are synergistically and dynamically optimized, and the lug rate of the cup-shaped part is obtained according to drawing simulation. According to the deep drawing simulation method for the anisotropic material, the convex lug rate of the cup-shaped part is obtained by constructing the constitutive model and forming the finite element result of the finite element model, so that the convex lug problem of deep drawing of the cup-shaped part is predicted.

The invention provides an automatic clamping double-acting deep drawing die for a large deep-cavity basin-shaped part and a clamping method of the automatic clamping double-acting deep drawing die. The maximum contours of a lower die assembly, an edge pressing assembly and an upper die assembly of the deep drawing die are obviously larger than the effective clamping range of a working table, an outer sliding block and an inner sliding block of corresponding connecting parts of deep drawing equipment respectively; by designing a lower die assembly, a blank pressing assembly and an upper die assembly of an upper and lower surface profile variable cross-section combined structure, the problems of movement and connection interference between an oversized deep drawing die and a clamping system of automatic clamping equipment are solved by utilizing a die switching part of which the length and the width are respectively not greater than those of an equipment connecting part; triangular, annular and cross-shaped crossed and staggered reinforcing ribs are designed on the upper part of the shell structure mold, so that the structural rigidity of the shell structure mold part is enhanced, and the structural weight of the shell structure mold part is reduced; unequal and uniform external and internal guide mechanisms are designed between mold parts, and positioning pin holes and U-shaped mold containing grooves matched with equipment are designed in mold connecting parts, so that automatic posture adjustment of the overweight mold parts depending on gravity during hoisting is achieved. According to the technology, the machining width limit of double-acting deep drawing equipment can be remarkably improved, and the automatic clamping device can be popularized and applied to automatic clamping of ultra-long and wide large deep-cavity thin-shell part dies.

The invention provides a double-acting deep drawing die for a large deep-cavity basin-shaped part and an alternate deep drawing method. A lower die assembly, an edge pressing assembly and an upper die assembly of the deep drawing die are obviously provided with movement interference parts larger than a working table, an outer sliding block and an inner sliding block of deep drawing equipment respectively. By designing the lower die assembly, the blank pressing assembly and the upper die assembly of a non-uniform-section combined structure of the upper and lower surface outlines, the die-filling problem of an oversized deep drawing die and equipment is solved; by designing an external guide mechanism and an internal guide mechanism, the guide stroke is reasonably matched, and indirect guide transmission is adopted to solve the problem of reliable operation of the super-large deep drawing die; by utilizing the geometric height relation design between mold parts, the mold closing stroke and the mold opening stroke are controlled, and the displacement difference between the mold parts is controlled, so that rigid movement collision between the mold and equipment and between the mold parts is avoided. According to the technology, the machining potential of existing double-acting deep drawing equipment can be brought into full play, overall forming of the ultra-long and ultra-wide large deep-cavity thin shell part is achieved, and particularly the forming width limit can be increased to two times of the forming width limit in the prior art.

The invention relates to the technical field of plate drawing forming control, and discloses an automatic lubrication control method and system for plate drawing forming and a storage medium. The method comprises the steps that the surface of a deep drawing die is subjected to zoning treatment through a lubricating area dividing module, and parameters of all areas are initialized; carrying out real-time acquisition and pretreatment on process parameters; lubrication demand parameters are obtained through fuzzy control calculation; a proportional servo valve is used for pressure regulation; the lubrication pressure curve is corrected on line; and the lubrication parameters are analyzed and stored in a database. According to the method, the lubricating state of each area is intelligently adjusted by monitoring and analyzing the technological parameters in real time, so that the stability of the drawing forming quality is guaranteed.

The invention discloses steel for a battery shell and a preparation method of the steel, and relates to the technical field of steel preparation. The preparation method of the steel for the battery shell comprises the steps of converter treatment, LF refining, RH refining and continuous casting. Starting from the whole preparation process, free oxygen and the production rhythm are controlled through LF refining, time production of RH refining and continuous casting is achieved, converter end point free oxygen control is coordinated, and generation of molten steel inclusions is reduced; rH refining is momentalized and standardized, continuous casting and casting are implemented in a steady state, and the amount of residual steel is controlled, so that secondary generation of inclusions and pollution to tundish molten steel are reduced. The steel for the battery case has the good characteristics of being good in ultra-deep drawing high-plasticity strain ratio, small in anisotropy, high in surface quality and internal purity, fine and uniform in microscopic grain structure and free of the sand hole defect, and is applied to the field of smelting of high-purity steel. The device is expected to be applied to continuous unmanned large-scale production of the highest-speed shell punching machine tool in the world, import substitution is achieved, and the product quality reaches the international advanced level.

The invention discloses a method for improving the compactness of square steel for deep drawing, which adopts tundish induction heating and tundish temperature control within a reasonable range to ensure that the pulling speed is kept constant during casting and continuous casting at a lower degree of superheat, and adopts a continuous casting heavy pressure technology to improve the center porosity and shrinkage cavity of a casting blank; a BD cogging mill is adopted for large rolling reduction rolling, and the maximum single-pass rolling reduction is 100 mm; and isothermal operation is carried out in front of the fourth continuous rolling mill, only temperature measurement is needed, and the method is simple and easy to implement. According to the 154 mm deep drawing square steel produced through the technical scheme, the center porosity is smaller than or equal to 0.5 grade, the general porosity is 0 grade, the ingot segregation is 0 grade, and the residual shrinkage cavity is 0 grade, that is, no ingot segregation and residual shrinkage cavity exist, and ultrasonic flaw detection reaches A grade or above; and the high compactness requirement of the steel for deep drawing is met.

The utility model relates to a general vehicle shell hydraulic deep drawing forming die and a press machine, the die comprises a convex die core which is detachably and fixedly connected to an upper die, a concave die insert which is detachably connected to the inner wall of a lower die, a step-shaped limiting guide column which is detachably connected to the inner bottom surface of a lower die cavity, and an ejector block of which the bottom is provided with a hole, and the ejector block can be inserted into the step-shaped upper end part of the limiting guide post through the hole to form a guide post and guide sleeve type matched guide structure. A spring is fixedly connected in the lower die bottom groove, and the bottom of the ejector block is fixedly connected to the upper end of the spring. A heating device I is arranged in the tubular cavity in the bottom of the lower die, and a heating device II is arranged in the tubular cavity in the side wall of the lower die. The press machine comprises the general vehicle shell hydraulic deep drawing forming die, the blank holder is connected with the outer sliding block of the press machine, and the upper die is connected with the inner sliding block of the press machine. Therefore, the mould has multiple functions.

The invention relates to an integrated machining method for a niobium-tungsten alloy composite surface variable-wall-thickness thin-wall part, and belongs to the field of metal plate forming. Determining the size of a niobium-tungsten alloy plate according to the size of the composite surface; groove milling is conducted on the spinning clamping position of the niobium-tungsten alloy plate; the machined plate is arranged on a spinning tire, and a tail top is used for clamping and fixing; the variable wall thickness forming of the curved generatrix part is realized by adopting strong shearing spinning and common spinning deep drawing spinning; the equal-wall-thickness forming of the cylindrical part is realized by adopting multi-pass deep drawing and spinning; the tiny allowance of the outer wall is removed through precise turning cutting, and it is guaranteed that the wall thickness meets the product use requirement; polishing the inner and outer surfaces to reduce the surface roughness; the niobium-tungsten alloy plate is used for forming, the material utilization rate is increased, split connection weld joints are reduced through a highly-integrated forming method, and the structural reliability is improved.

The continuous annealing process for the cold-rolled titanium strip coil for deep drawing comprises the following steps that S1, in the preparation stage, the titanium strip coil is subjected to degreasing and cleaning treatment; s2, the continuous annealing furnace is heated to the required temperature, high-purity argon is introduced into the furnace, and the positive pressure in the furnace is kept; s3, the pretreated titanium belt is pulled by a leading belt to enter a continuous annealing furnace and passes through a preheating section, a heating section and a cooling section at a specified speed; according to the continuous annealing method, through continuous annealing, the grain size and the mechanical property of the titanium belt are accurately controlled, and the performance requirement of the titanium belt for stamping machining is met.

The invention belongs to the technical field of aircraft manufacturing, and discloses a pressure-adjustable flexible blank pressing loading deep drawing die and a using method thereof.The deep drawing die comprises a female die, a blank pressing ring and a male die, the molded surface of the female die is partially matched with the outer surface of a part, and the upper surface of the blank pressing ring is provided with a sunken surface matched with an unfolded blank in shape; the working surface of the male die is matched with the lower surface of the inner side area of the root fillet of the part; the pressure-adjustable fluid medium is tightly pressed on the upper surface of the unfolded blank in a sealed mode through the female die and the blank holder, and part drawing forming is carried out on the male die. And the technical problem of mutual contradiction of edge pressing load concentration during traditional deep drawing load increase is solved. A fluid medium flexible edge pressing mode is adopted, contact friction does not exist between the female die and the flange edge of the part, and the edge pressing load uniformity is not affected when the die bears deformation; the lubricating device has the remarkable advantages of good lubricating effect, low mold processing cost, high technical universality and the like.

The invention belongs to the field of steel production, and relates to a method for producing high-elongation ultrathin hot-rolled low-carbon steel based on double-roller cast rolling. According to the method, molten steel is subjected to double-roller continuous casting and sub-rapid solidification to form a cast strip, is subjected to one-pass hot rolling to form a thin strip, is subjected to aerial fog cooling to 550-750 DEG C and is coiled, the coiled thin strip is placed in a cover type annealing furnace to be heated and subjected to heat preservation for 1-2 days, and then the hot-rolled thin strip is obtained after straightening and flattening. According to the method, a low-carbon, low-manganese, low-silicon and microalloy-element-free component system is adopted, a hot-rolled thin strip with the high elongation rate is produced through a short-process double-roller cast rolling production line, uniform polygonal ferrite is obtained through online waste heat annealing process design, the strength uniformity and the elongation rate are obviously improved, and production energy consumption is obviously reduced. The finished product is thin in thickness, good in low-temperature toughness, obviously superior to a traditional cold-hot-rolled low-carbon steel product in isotropy, and suitable for producing thin-specification components with complex shapes through cold bending and deep stamping forming.

The invention discloses a water-based chromium-free self-lubricating fingerprint-resistant coating as well as a preparation method and application thereof. The coating comprises the following components in percentage by weight: 15%-32% of compound polyurethane resin, 10%-23% of polyacrylic resin, 1%-5% of a silane coupling agent, 1%-5% of filler, 1%-5% of a compound of molybdenum, vanadium, titanium or zirconium, 0.1%-0.5% of a flatting agent, 1%-5% of a scratch-resistant aid and 24.5%-70.9% of water, wherein the compound polyurethane resin is formed by compounding polyurethane resins with different elongation at break. The coating is used for passivating the metal surface, such as the surface of a galvanized steel sheet, the wear resistance and corrosion resistance of the galvanized steel sheet can be remarkably enhanced, the coating is suitable for a deep drawing process, and a workpiece subjected to deep drawing can still maintain good appearance and excellent wear resistance and corrosion resistance.

A laminate (110) of polypropylene films (100), a luggage shell (120) constructed of the laminate (110), a method (200) of making the laminate (110), and a method (280) of making the luggage shell (120) are provided. The films (100) include a core (102) and at least one outer layer (104). The laminate (110) includes a plurality of films (100). The laminate (110) may be formed by laminating a plurality of films 100 under predetermined pressure, temperature, and time conditions. The shell (120) may be formed by deep drawing a sheet of laminate (110) while applying heat and tension to the laminate (110).

The invention relates to a production method for reducing the anisotropy of the r value of a 439 cold-rolled plate material. The production process comprises smelting, casting, billet heating, hot rolling, hot rolling annealing, hot rolling pickling, cold rolling, cold rolling annealing, and cold rolling pickling; the annealing temperature of the hot rolling annealing is ≤900°C, and the annealing time is 1-4 minutes; the annealing temperature of the cold rolling annealing is 950-1030°C, and the annealing time is 1-4 minutes; the r value of the produced 439 cold-rolled plate steel strip in the 45° direction is increased by about 50% (increased from 1.1 to more than 1.6), and the Δr values ​​in the three directions of 0°, 45° and 90° are within 0.3, so that the anisotropy of the material is effectively reduced, the problem of cracking along the 45° direction during the material stamping process is improved, and the deep drawing forming performance of the material is improved.

The invention discloses a manufacturing method of hot-dip galvanizing ultra-deep drawing automobile steel DX56D + Z suitable for a new automobile model. The manufacturing method comprises the following steps: a smelting-continuous casting production process; a hot rolling production process: pickling and rolling; a galvanization process; the mass percentage content of the chemical components is as follows: C is less than or equal to 0.0025%; s is less than or equal to 0.01%; 0.20% or less of Mn; less than or equal to 0.015% of P; s is less than or equal to 0.010%; 0.040 < = T < = 0.070%; n is less than or equal to 0.0030%; and O < = 0.0030%. Stamped car door inner plates, side walls and other car parts prepared from the hot-galvanized ultra-deep-drawing car steel DX56D + Z are free of cracking and wrinkling problems, the stamping effect is good, and the mechanical properties of strip steel meet the conditions that the yield strength Rp0.2 is larger than or equal to 140 and smaller than or equal to 180 MPa, the tensile strength Rm is larger than or equal to 270 MPa, the yield ratio is smaller than or equal to 0.60, the ductility A80 is larger than or equal to 39%, r90 is larger than or equal to 2.5, and n90 is larger than or equal to 0.21.

An object of the present invention is to provide a manufacturing method that increases production efficiency. A method for manufacturing a can by deep drawing using a press machine, the can being a quadrilateral can having a rectangular opening, the method including a control step of controlling a temperature of a punch and / or a temperature of a die by supplying a heat medium as a fluid to a flow path provided inside the punch and / or the die.

The invention relates to the technical field of metal plate stamping forming, and provides a new energy power battery shell deep drawing forming process parameter optimization method which comprises the steps that orthogonal test design is carried out based on a plurality of sets of parameters, and multiple times of shell deep drawing forming tests are carried out under different process parameters; the method comprises the following steps: analyzing a shell drawing forming test by adopting a response surface method, and establishing a maximum forming reduction rate mathematical model and a minimum forming reduction rate mathematical model based on test data; taking the established mathematical model as a target function, solving an optimal solution of the process parameters by adopting a particle swarm optimization algorithm, and adjusting the process parameters in real time by adopting a PID control algorithm; and combining the optimal solution of the process parameters with left and right double-shaft load monitoring to realize deviation verification analysis of multi-objective optimization numerical values of the process parameters. According to the method, dynamic adjustment of shell deep drawing forming process parameters is achieved, the stability and consistency of the machining process are ensured, and the quality of the formed shell is improved.

A laminate (110) of polypropylene films (100), a luggage shell (120) constructed of the laminate (110), a method (200) of making the laminate (110), and a method (280) of making the luggage shell (120) are provided. The films (100) include a core (102) and at least one outer layer (104). The laminate (110) includes a plurality of films (100). The laminate (110) may be formed by laminating a plurality of films 100 under predetermined pressure, temperature, and time conditions. The shell (120) may be formed by deep drawing a sheet of laminate (110) while applying heat and tension to the laminate (110).

The invention relates to the technical field of die forming, in particular to a variable-temperature deep drawing-rapid air expansion composite forming method for a thick titanium alloy plate. The method comprises the steps that a model of a stamping die of the end socket is established, and the thickness of a to-be-stamped plate is set; limiting conditions in the stamping process are set, and a variable-temperature deep drawing model is obtained; establishing a Backoften constitutive equation, and determining strain rate sensitive indexes and strength coefficients at different temperatures according to the material strength at different temperatures; performing a finite element simulation process according to the strain rate sensitive index and the strength coefficient to obtain a superplastic inflatable model; according to the variable-temperature drawing model and the superplastic air expansion model, a variable-temperature drawing-rapid air expansion model is established; representing the simulation performance of the variable-temperature drawing-rapid air expansion model, and analyzing a drawing result and an air expansion result; and determining a test reference according to an analysis result, and carrying out a variable-temperature drawing-rapid inflation composite forming test. According to the scheme, excessive attempts of experiments can be reduced.

The invention discloses a deep drawing part rigid-flexible composite forming die and a forming method, and relates to the technical field of part drawing forming. The forming die comprises a first cavity, a second cavity, a polyurethane pad, a polyurethane block, a first punch, a second punch and a solid particle medium. A solid particle medium is filled between the polyurethane pad and the first punch part in the first cavity; the polyurethane block is positioned in the second cavity; the first punch moves towards the direction close to the second punch, so that the polyurethane pad can deform through the solid particle medium, and the polyurethane pad and the polyurethane block can tightly press a to-be-drawn part; the second punch moves in the direction close to the first punch so that the polyurethane pad, the to-be-drawn part and the polyurethane block can deform, and at least one part of the second punch part can stretch out of the polyurethane block to be used for abutting against and drawing the to-be-drawn part. The forming quality of parts can be improved, blanks can be saved, the production cost is reduced, and the production efficiency is improved.

Disclosed is an alloyed hot-dip galvanized steel sheet in which a substrate of the alloyed hot-dip galvanized steel sheet contains 0-1.0% by mass of Si, the average Fe content in an alloyed hot-dip galvanized layer of the alloyed hot-dip galvanized steel sheet is 10-12% by mass, and the surface phase structural composition of the alloyed hot-dip galvanized layer contains a polygonal zinc-iron alloy phase, the ratio R of the length to the width of the polygonal zinc-iron alloy phase is not less than 1 and not more than Rlt; 2. The alloyed hot-dip galvanized steel plate is good in deep drawability. The invention further discloses a manufacturing method of the alloyed hot-dip galvanized steel plate, the manufacturing method is suitable for the low-silicon steel plate, the alloy phase structure of a steel plate coating is controlled by controlling the air-fuel ratio in the preheating stage and the dew point DP in the soaking stage in the continuous annealing step and the alloying temperature in the alloying step, and therefore the deep drawing performance of the steel plate is improved.

A laminate (110) of polypropylene films (100), a luggage shell (120) constructed of the laminate (110), a method (200) of making the laminate (110), and a method (280) of making the luggage shell (120) are provided. The films (100) include a core (102) and at least one outer layer (104). The laminate (110) includes a plurality of films (100). The laminate (110) may be formed by laminating a plurality of films 100 under predetermined pressure, temperature, and time conditions. The shell (120) may be formed by deep drawing a sheet of laminate (110) while applying heat and tension to the laminate (110).

The invention relates to the technical field of enamel steel manufacturing, in particular to ultralow-carbon high-sulfur high-nitrogen enamel steel and a manufacturing method thereof. On one hand, carbon and phosphorus in the steel are reduced, the purity of molten steel is improved, and the ultra-deep drawing performance of the steel is met; on the other hand, the contents of nitrogen and sulfur in the steel are increased, enough second-phase particles are generated to store hydrogen generated during enameling of the enameling steel, so that the fish scaling resistance of the enameling steel is improved, the comprehensive influence of elements in the steel is comprehensively considered, a fish scaling resistance index and a titanium strengthening index are set, and through appropriate component and process control, the content of the elements in the steel is increased; the technical problem that the enamel steel cannot have good ultra-deep drawability and excellent fish scaling resistance at the same time is solved.

The invention relates to the technical field of aero-engine manufacturing, in particular to an aero-engine deep-drawing deep-step thin-wall guide sleeve machining method which comprises the steps that S1, the structure of a deep-drawing part is determined, specifically, the structure of the deep-drawing part is designed according to the structure of a thin-wall guide sleeve, and the large port part of the deep-drawing part is provided with a flange edge; s2, the size of a blank is determined, specifically, the blank is a disc-shaped plate, and the diameter phi D of the blank is determined according to the surface area S of the deep drawing part; s3, the blank is pre-stretched through a pre-stretching die, and a pre-stretched part is obtained; s4, the flange edge of the pre-stretching part is trimmed; s5, a deep drawing die is adopted for conducting deep drawing on the trimmed pre-drawing part, and a deep drawing part is obtained; and S6, the deep drawing part is machined, and the thin-wall guide sleeve is obtained. The parts machined through the method are better in consistency and higher in quality, the one-time machining qualification rate of the parts is guaranteed, and the forming efficiency of the thin-wall guide sleeve parts is greatly improved.

The invention discloses a method and a device for stamping and forming a flat motor shell, the method comprises 14 stations which are sequentially arranged from material sheet entering to finished product outputting, and sheet materials are sequentially conveyed to each station for deep drawing, forming, shaping, trimming and punching operation. According to the method, the complex deep drawing process is divided into seven scientific and progressive working steps, a mold in a specific shape is matched for each step, stable flowing of materials is effectively guided, and the industrial problems that in the deep drawing process, a high-depth motor shell in an irregular shape is prone to being cracked and wrinkled, and the wall thickness is uneven are fundamentally solved.

A step-by-step forming device for a front disc of a fan volute comprises a deep drawing device, a trimming and punching device, a flanging and hole flanging device and an automatic mechanical arm which plays a workpiece transferring role among the deep drawing device, the trimming and punching device and the flanging and hole flanging device. The trimming and punching equipment is used for trimming and punching on the plate subjected to preliminary deep drawing, and the flanging and hole flanging equipment is used for flanging and hole flanging on the plate subjected to trimming and punching to obtain the fan volute front disc with the required shape; the device comprises three independent devices, each device completes one working procedure of a workpiece, so that hole flanging of the workpiece is located in a safe area, and the product percent of pass is high; in the first working procedure treatment, the workpiece is treated in the tensile stress state, so that the large arc surface of the workpiece can be well formed, and the stability is high; and in the last process, flanging and hole flanging are completed in the same process, so that the concentricity of hole flanging and flanging of the product can be well ensured.

A twin-sheet wall for a plastic container with an inner plastic shell and an outer plastic shell, wherein the two plastic shells are welded together by deep drawing to form closed cavities between the two plastic shells, is known. According to the invention, both the inner and the outer plastic shell are each provided with a plurality of grooves which are curved alternately in opposite directions and extend at least largely continuously over a height and / or a width and are each open towards a surface. Use for transport containers for general cargo, especially for the automotive industry

The invention discloses an electric furnace continuous casting production method of a steel annealing material for deep drawing. The method comprises the process steps of electric furnace smelting, LF refining, VD refining, square billet continuous casting, heating, rolling, slow cooling, annealing and the like. Scrap steel and molten iron are adopted as raw materials for electric furnace smelting, and the proportion of the molten iron is 60-80% The alkalinity of slag is controlled to be 5.5-7 in LF refining; static argon blowing is carried out after VD refining vacuum breaking, the soft blowing time is controlled to be 8-14 min, and the nitrogen pressure is 0.1-0.3 MPa; the initial rolling temperature of rolling is 1100-1200 DEG C, and the final rolling temperature is 850-1000 DEG C; the annealing process curve meets the formula that t2-t1 is equal to 2-4 hours. According to the method, the castability of steel continuous casting production can be improved, the number of continuous casting furnaces can reach 6, the steel inclusion level is low, the impact toughness after thermal refining is larger than or equal to 200 J, the tensile strength is larger than or equal to 400 MPa, and the percentage elongation after fracture is larger than or equal to 30%.

The present invention provides a tantalum alloy drawing die and a tantalum alloy sticking die production method, which are used for drawing tantalum alloy, and include an upper insert, a fixed retaining ring and a positioning push rod, wherein the upper insert includes a first surface and a second surface opposite to each other, and the upper insert is provided with a cavity, and the cavity passes through the first surface and the second surface, and the fixed retaining ring is arranged on the first surface, and the fixed retaining ring is provided with a receiving groove, and the receiving groove is connected with the cavity, and the receiving groove is used to receive a blank, and the side wall of the receiving groove is provided with an adjustment hole, and the axis of the adjustment hole is perpendicular to the axis of the cavity, and the positioning push rod is passed through the adjustment hole, and the positioning push rod moves in the adjustment hole and abuts against the blank to fix the blank at a position facing the cavity. The present invention can center blanks of different diameters by arranging a fixed retaining ring and a positioning push rod in the drawing die, and by adjusting the length of the positioning push rod in the fixed retaining ring, so that the drawing die can match blanks of various sizes, and better realize the drawing of formed parts of different heights.

The invention belongs to the technical field of aluminum processing, and particularly relates to a 5xxx aluminum alloy plate production process which is used for solving the problems that a traditional 5xxx aluminum alloy plate is low in strength and poor in plasticity and improving deep drawing formability. Comprising the process steps of smelting, double-roller cast rolling, cold rolling, straightening, box annealing and the like, and indexes such as the strength and the grain size of the aluminum alloy plate are comprehensively improved by optimizing alloy components and adopting the means such as asymmetrical rolling.