3834 results about "Forging" patented technology

The invention relates to the technical field of machining control, and discloses a forging part machining process control method and system based on digital twinning. The method comprises the following steps: acquiring temperature field and stress field data streams of large oil press equipment and forgings at multiple points in different areas; performing organization-defect association mode recognition on the data stream to generate a forging process database; a constitutive unit nesting method is adopted to construct a digital twinborn model, and a microstructure evolution unit is embedded in a macroscopic unit; performing nonlinear progressive simulation to obtain a critical deformation condition and a defect threshold value; and carrying out reverse solution on the process window to obtain an optimal process parameter combination. According to the method, the forging digital twin model is established through the constitutive unit nesting method, bidirectional coupling of macroscopic deformation and microstructure evolution is achieved, a stable process parameter combination is determined through the process window reverse solution technology, and therefore the quality stability and production efficiency of forged parts are improved.

The invention belongs to the field of metal powder hot isostatic pressing and additive manufacturing near-net forming, and discloses a hot isostatic pressing forming method for preparing a substrate for additive manufacturing by mixing SS-PREP and EIGA Ti6Al4V ELI spherical powder, which comprises the following steps of: 1, mixing Ti6Al4V ELI powder prepared by SS-PREP and Ti6Al4V ELI powder prepared by EIGA according to a proportion under atmosphere protection; 2, in vacuum vibration powder loading equipment, the mixed powder is loaded into a steel sheath, and degassing seal welding is carried out; step 3, placing the seal-welded sheath in hot isostatic pressing equipment, carrying out heat preservation and pressure maintaining sintering forming, and then carrying out gradient cooling; and 4, after cooling, the steel sheath is removed through machining, and the large-size substrate for additive manufacturing is obtained. The prepared substrate has excellent comprehensive mechanical properties which are higher than the level of traditional forgings, and the application requirements of additive manufacturing are met.

A method for improving the fatigue performance of a titanium alloy seamless tube. The method comprises: S1, mixing raw materials, pressing same into a plurality of electrode blocks, and welding the plurality of the electrode blocks to obtain a consumable electrode; S2, smelting the consumable electrode 2-3 times by using a vacuum consumable electrode arc furnace, so as to obtain a titanium alloy cast ingot; S3, upsetting and drawing the cast ingot multiple times and rolling same into a titanium alloy bar; S4, subjecting the bar to precision forging, with the amount of times of heating being no more than twice; S5, annealing and straightening same, followed by turning and drilling treatments, so as to obtain a rough blank of a titanium alloy seamless tube; S6, subjecting same to multi-pass cold rolling, so as to obtain a semi-finished titanium alloy seamless tube product; S7, performing vacuum annealing and acid pickling; S8, performing electrolytic-magnetic composite polishing; and S9, performing a shot blasting treatment. The method can effectively improve the rotating bending fatigue performance, and the titanium alloy seamless tube can endure 20 million test cycles.

The invention relates to the technical field of motor rotors, and discloses a motor rotor and a machining method thereof.The method comprises the steps that hot forging is conducted on an alloy steel base material based on the preset forging and pressing temperature, and multi-layer gradient cutting is conducted on a rotor initial blank; the method comprises the following steps: performing composite deposition treatment on a cylindrical blank based on a magnetic material, placing the magnetic composite blank in a vacuum environment for dynamic heat treatment, performing dynamic balance finishing on the heat treatment blank based on a preset alloy, performing surface strengthening treatment on a balance rotor in a nitrogen atmosphere, and coating the balance rotor subjected to surface strengthening with a preset coating, the motor rotor with the optimized surface is obtained; and dynamic balance trimming is combined with preset alloy characteristics for microstructure regulation and control, and it is ensured that the rotor has excellent operation stability in a high-rotation-speed environment. And finally, surface strengthening treatment is carried out in a nitrogen atmosphere, and a functional coating is used for covering, so that the wear resistance and corrosion resistance of the surface layer are remarkably improved, and the requirements of a motor system on a high-performance rotor under complex working conditions are met.

The invention discloses a Ti55531 titanium alloy large-specification bar machining method. The method comprises the steps of cogging forging, intermediate forging and finished product forging. In the cogging forging process, the cast ingot alternately deforms at the temperature above and below the phase transformation point temperature, and beta grains are refined through static and dynamic recrystallization; and during recrystallization heating in the beta region, the temperature is controlled to be 30-50 DEG C above the phase transformation point so as to avoid excessive growth of beta grains. In the intermediate blank forging stage, controllable recrystallization annealing is added, and by controlling the forging temperature (15-25 DEG C below the phase transformation point), a part of primary alpha phase is properly reserved to limit rapid growth of beta crystal grains; through 2-3 times of'low + high 'circular forging at 40-60 DEG C and 15-25 DEG C below the beta transformation temperature, and in combination with beta-phase deformation recrystallization, the original beta grain size is remarkably refined, and the forging structure uniformity of a subsequent two-phase region is improved. The method for producing the Ti55531 titanium alloy large-specification (phi 350-600 mm) bar is advanced in process, short in preparation process, low in cost, good in product structure uniformity and high in batch stability.

The invention discloses a billet internal defect classification method, system and device based on PSO-SVM, and the method comprises the steps: S1, collecting billet internal ultrasonic signal data, and carrying out the preprocessing; s2, inputting the preprocessed data into a pre-trained defect classification model for identification; wherein the defect classification model comprises a particle swarm algorithm and a support vector machine; and S3, outputting a billet internal defect type identification result. The method is suitable for flaw detection of the continuous casting billet, is a more accurate internal flaw detection identification method, provides acceptable improvement measures for production of forgings, and is beneficial to quality control of the forgings.

The invention relates to a multi-parameter and multi-field intelligent optimization method and system for a press free forging large-scale falling die, and the method achieves the collaborative optimization of technological parameters, die geometry and microstructure through a heat-force-microstructure three-field coupling modeling, a deep kernel learning agent model and a digital twinning guided multi-objective evolutionary algorithm, improves the optimization efficiency, and improves the optimization precision. The mold testing times are reduced; and meanwhile, a real-time closed-loop control system is constructed, the grain size uniformity of forgings is improved, the forming load is reduced, the production period is shortened, the process stability is improved, and the die service life is prolonged.

The invention relates to the technical field of grain refinement processing, and discloses a grain refinement processing method of a titanium alloy pipe blank for spinning, which comprises the following specific process steps: S1, precise blank selection and pretreatment: selecting a titanium alloy cast ingot with low impurities and uniform components, deeply removing surface oxide skin and inclusions through a mechanical polishing and acid pickling composite means, and carrying out fine grinding on the titanium alloy cast ingot; the purity of the blank is ensured; s2, intelligently regulating and controlling multi-pass hot forging, specifically, an intelligent temperature control system is introduced, the temperature of a heating furnace is monitored in real time and precisely regulated and controlled, and it is ensured that the pipe blank is rapidly transferred to forging equipment when the pipe blank is heated to 1000 DEG C; s3, efficient channel extrusion co-processing is conducted, specifically, advanced equipment integrating heating and extrusion is adopted, and the pipe blank is seamlessly connected with the extrusion process under the precise heat preservation condition at the temperature of 925 DEG C; the corner of the die is optimized to 105 degrees, and the metal bears uniform and high-strength shearing force when flowing through the channel in cooperation with the parameter setting of the extrusion ratio of 5; s4, performing ultrasonic-rolling integrated processing; and S5, performing precise circulating heat treatment strengthening.

The invention discloses a short-process low-cost preparation method for forging a TC4 titanium alloy bar. The short-process low-cost preparation method comprises the following steps: (1) cogging and forging a beta-phase region; (2) performing drawing-out thermal deformation on an alpha + beta region; (3) static quasi-beta annealing water quenching treatment; (4) carrying out thermal deformation in a near alpha + beta region; and (5) alpha + beta area small-deformation multi-tempering drawing-out finish forging forming is carried out. The method has the advantages that the requirements of uniform orientation distribution, sufficient grain refinement, process simplification and convenient operation in the short-process low-cost TC4 titanium alloy manufacturing bar are met, the structure uniformity of the large bar is improved, the obtaining of a homogeneous fine structure is facilitated, the requirement of nondestructive testing of the flaw detection clutter level is met, and the product quality is improved.

The invention discloses a die and method for segmented forging forming of a large symmetrical double-hole frame forge piece, the die is composed of an upper die and a lower die, the upper die and the lower die are arranged in a butt joint mode, the butt joint faces of the upper die and the lower die are provided with an upper die cavity and a lower die cavity respectively, and the upper die cavity and the lower die cavity define a forming cavity; the cavity is provided with a transverse extension section, an edge section I and an edge section II. According to the die, flowing of materials around the ribs can be promoted, prefabrication forming is conducted on the forge piece through low forming load, arc-shaped concaves are prevented from occurring in the segmented staggered positions of the large-scale symmetrical double-hole forge piece, metal flow lines in the segmented staggered positions of the large-scale symmetrical double-hole forge piece are evenly distributed, and the forming quality is improved. And then the final forging shaping die is used for shaping and forming, and the problems of warping possibly occurring in segmented forming, incomplete filling of edge positions, forge piece size difference caused by transverse extension of blanks and the like are solved.

The invention belongs to the technical field of bearing manufacturing, and particularly relates to a quenching and tempering heat treatment method for a large heavy-duty bearing ring piece, which is suitable for quenching and tempering heat treatment of a thick large-section ring piece. And the thick and large-section ferrule ring piece is heated to the quenching temperature in a segmented and stepped mode, the ferrule ring piece is hoisted to a circulating water pool to be subjected to water cooling after heat preservation is completed, cooling is conducted till the surface temperature of the ring piece is lower than 100 DEG C, and the quenched ferrule ring piece is timely charged into a furnace to be tempered twice. The surface of the ferrule ring subjected to quenching and tempering heat treatment is free of cracks, the deformation degree is small, a martensite structure with the full cross section quenched thoroughly can be obtained, and the uniformity of the surface layer, the core structure and the performance of the ferrule ring with the thick and large cross section can be greatly improved. In addition, the quenching and tempering heat treatment process is simple to operate, and the consistency of the performance of the ferrule ring pieces in all batches is easily ensured. The method is not limited to a process of a large heavy-duty bearing ring piece, is also very suitable for thermal refining of other large forgings, and solves the defect problems of non-uniform structure, unstable performance and the like.

Aiming at the defects of streamline cutting, vortex turbulence, tail end exposure and the like in the existing forging process, the invention provides the streamline defect regulation and control method for the complex die forging of the aluminum alloy aviation hub, which comprises the following steps of: upsetting a blank, pre-forging the blank and finally performing finish forging and forming, and reasonably designing a heat transfer coefficient and a friction coefficient in the forging process. And the temperature is matched with the forging speed, so that streamline defects such as folding and exposure generated in the forging process are effectively improved, shape follow-up distribution of metal streamlines of the hub forge piece is achieved, the performance of the hub is improved, and the service life of the hub is prolonged.

The invention relates to the technical field of forge piece forming, in particular to a deep-cavity thin-wall support forge piece, a forging die and a forming method.The deep-cavity thin-wall support forge piece is characterized in that a heated round bar is subjected to roll forging to obtain a preformed blank, and oxide skin of the blank obtained after roll forging is removed; putting the prefabricated blank into a pre-forging cavity of a forming die, and performing pre-forging forming; after pre-forging is finished, the pre-forged piece is transferred into a precision forging cavity of the same forming die to be subjected to precision forging forming, and a bilaterally symmetrical precision forging piece is obtained; putting the bilaterally symmetrical precision forgings into a slicing die frame for trimming, and cutting off flashes; cutting the bilaterally symmetrical precision forgings subjected to cold shaping from the shunting bin through a cutting device, and separating the bilaterally symmetrical precision forgings into two independent single forgings; forming defects are eliminated, and the forging yield is improved to the level of stable mass production; the thickness tolerance of the functional surface of the product is ensured, the spot welding current stability and the welding strength are ensured, the assembly requirement is met, and the dependence on subsequent machining is reduced; the material cost is reduced and the mold life is prolonged.

The invention relates to the technical field of metal material machining, and provides a high-strength titanium alloy and a forging method thereof.The forging method of the high-strength titanium alloy comprises the steps that vacuum consumable smelting is conducted on a titanium alloy raw material to obtain a titanium alloy cast ingot, and the titanium alloy cast ingot is pretreated to obtain a first titanium alloy cast ingot; and the first titanium alloy cast ingot is sequentially subjected to cogging forging, intermediate billet forging, octagonal drawing-out forging and round bar drawing-out forging and then is air-cooled to the room temperature, and the high-strength titanium alloy is obtained. According to the high-strength titanium alloy and the forging method thereof, the high-strength titanium alloy is developed through optimization and adjustment on the basis of TA15 alloy components, and a high-strength titanium alloy large-size round bar with the diameter specification of 300-400 mm is obtained through the forging method matched with the high-strength titanium alloy.

The invention provides a TA15 titanium alloy frame beam forging method and a TA15 titanium alloy frame beam, and relates to the field of aircraft part forging. The method comprises the steps that a TA15 titanium alloy bar is obtained; the TA15 titanium alloy bar is subjected to free forging and pre-forming to form an intermediate blank; the intermediate billet is forged in the alpha + beta two-phase region temperature interval according to a preset strain rate interval, and a TA15 titanium alloy frame beam forged piece is obtained; and the strain rate interval is 0.01 s <-1 > to 0.10 s <-1 >. The method is suitable for the forging process of TA15 titanium alloy frame beams and is used for guaranteeing the structure and performance of TA15 titanium alloy forgings.

The invention belongs to the technical field of metal forge piece forging and pressing, and particularly discloses a metal forge piece forging and pressing forming device which comprises a box body, a supporting table is connected to one side of the upper end of the box body, supporting columns are connected to the upper end of the supporting table, a top plate is connected to the upper ends of the supporting columns, and a hydraulic cylinder is connected to the middle of the upper end of the top plate. The output end of the hydraulic cylinder penetrates and extends to the lower end of the top plate and is connected with a lower pressing plate, the lower pressing plate slides on the outer walls of the multiple supporting columns, and openings are formed in the positions, corresponding to the multiple supporting columns, of the lower pressing plate. Through separated lubrication of the cleaning mechanism, the spraying mechanism and the lower die, the effects of replacing manual operation and guaranteeing cleaning and lubrication of the core rod and the lower die are achieved, and the forming quality and the production efficiency of the aluminum alloy deep-hole forge piece are improved.

A profile forging method for a multi-segment forge piece having special-shaped steps. The method comprises the following steps: a billet making stage, involving: performing multiple instances of upsetting and drawing-out on raw-material ingots to obtain a forging billet that meets requirements; a die forging billet forming stage, involving: on the basis of the shape of a product, segmenting the forging billet to form multiple segments of plate-shaped billets of unequal heights; a loose tooling forming stage, involving: placing the plate-shaped billets into a loose tooling die, a pressing machine continuously pressing the plate-shaped billets until a die cavity is filled with special-shaped portions of the plate-shaped billets, and then performing demolding to obtain an initial forge piece; and a heat treatment stage, involving: performing overall quenching and tempering heat treatment on the initial forge piece. In the forging method, a forging process combining open-die forging and loose tooling forging is used to form an asymmetric plate-shaped structural forge piece having multiple special-shaped steps, thus improving the material utilization rate and the manufacturing efficiency, reducing the product rejection rate and cutting-machining costs, and achieving higher economic benefits.

The invention relates to the technical field of shaft part machining, in particular to automobile lightweight motor shaft forging forming equipment which comprises a rack and a rotary clamp, a platform is further arranged on the rack, a rotary forging and pressing mechanism is arranged on the platform and provided with a forging and pressing opening, and an annular abutting face is arranged in the rotary forging and pressing mechanism. A forging and pressing head is arranged in the forging and pressing opening and provided with a forging and pressing end and an abutting end, protruding pieces are arranged on the annular abutting face, and the protruding pieces are arranged in the rotary forging and pressing mechanism, so that the protruding pieces can move in the radial direction of the forging and pressing opening while the forging and pressing head rotates in the circumferential direction of the forging and pressing opening, and when the forging and pressing head makes contact with the protruding pieces at different radial positions, the protruding pieces can move in the radial direction. The forging and pressing amplitude is adjusted according to the outline change of the convex part, multi-amplitude forging of the shaft blank is achieved, the rotating clamp can stably clamp the shaft blank and drive the shaft blank to rotate synchronously, it is ensured that all parts of the shaft blank can evenly bear forging pressure, and the problem that stress is uneven due to the fact that the forging and pressing amplitude is fixed in traditional equipment is solved.

The invention relates to the technical field of intelligent forging and pressing equipment, in particular to a cold header pressure control system which comprises a pressure sensing module used for collecting dynamic pressure signals when a cold header works in real time; the system further comprises a control unit, the control unit is electrically connected with the pressure sensing module, a fuzzy PID control algorithm is adopted to conduct real-time analysis on the dynamic pressure signals based on the pressure change rate and historical abnormal working condition data, and a pressure regulation and control instruction is generated in combination with a preset pressure threshold value range. The pressure during cold heading can be intelligently adjusted and optimized according to different materials, the product quality and the machining efficiency are improved, the use safety of equipment is improved, the service life of a mold is prolonged, and the production cost is reduced.

The invention relates to the technical field of forging part production, in particular to an intelligent monitoring method and system for a forging part production line, and the method comprises the steps that the stamping precision of multiple stamping strokes of any position point in the forging process of a forging part is monitored, and the average value of the stamping precision serves as the forging quality of the position point; a stamping area of each position point is constructed; the forging quality of the target stamping area of any position point is subjected to weighted summation, the weighted forging quality of all the position points is obtained, and the target stamping area is the stamping area containing the position points; and giving an early warning in response to the condition that the weighted forging quality at any position point is less than a preset quality value. According to the technical scheme, the defects of the forging parts can be accurately recognized, and the accuracy of the production quality monitoring result of the forging part production line is improved.

The invention relates to the field of metal plastic forming control, and discloses a self-adaptive control system and method for forging and pressing aviation precision forgings, and the system comprises an online dynamic model identification module which identifies a process fingerprint representing the characteristics of a current blank at the initial stage of machining; the target curve self-adaptive regulator is used for regulating a reference energy dissipation rate curve according to the fingerprint and generating a personalized reference curve; the model prediction controller performs rolling optimization by using continuously updated model parameters and taking the reference curve as a tracking target, and outputs an optimal speed instruction; and the event triggering and constraint dynamic modulation module is used for actively tightening the operation constraint applied to the controller before a forging pressure sudden increase event is pre-judged through a parallel monitoring model prediction error. According to the method, through combination of target self-adaption and constraint dynamic modulation, control over the forging and pressing process is achieved, forging pressure overshoot can be effectively restrained, and the forming precision and batch-to-batch quality consistency of forge pieces are remarkably improved.

The invention relates to the technical field of metal casting and powder metallurgy, in particular to a pressure self-adaption adjusting method and system for multi-material forging and pressing, and the method comprises the steps that 1, forging and pressing equipment and a parameter collecting system are initialized; 2, multi-parameter data in the forging and pressing process are collected in real time; 3, calculating the dynamic deformation resistance of the material based on the real-time parameters; step 4, generating a self-adaptive pressure regulation value according to the dynamic deformation resistance; 5, controlling a pressure executing mechanism to output a target pressure value; and 6, the forging and pressing process is continuously monitored and terminated, the step 2 to the step 5 are repeated until the displacement of the die reaches a preset forging and pressing completion position, the central processing unit sends out a termination signal, the pressure execution mechanism gradually unloads pressure to complete the forging and pressing process, and all parameters and adjustment records are stored for quality analysis. Through accurate pressure control and a closed-loop feedback mechanism, defects caused by too high or too low pressure are avoided, the rejection rate is remarkably reduced, and the qualified rate of products is increased.

The invention belongs to the technical field of research and development of fast neutron reactor jackets and structural materials, and particularly relates to a high-temperature-lead-bismuth-corrosion-resistant high-silicon-content ferrite / martensite steel ladle tube and a preparation method thereof. According to the mass percentage, the composition mainly comprises the following components: 0.16-0.24% of C; 0.4 to 0.8 percent of Mn; cr: 11.6% to 12.4%; 1.2 to 1.8 percent of W; 0.1 to 0.4 percent of Ta; 0.2 to 0.4 percent of V; 1.0%-1.8% of Si and Fe. The preparation method comprises the steps of vacuum induction and vacuum arc remelting. Carrying out homogenization treatment and forging; extruding and annealing; cold rolling and annealing; and performing normalizing and tempering treatment. Through an efficient short-flow process route and reasonable smelting, pipe machining deformation and heat treatment processes, the microscopic structure of the material is remarkably improved, then the mechanical property and high-temperature lead and bismuth corrosion resistance of the finished pipe are improved, and the use requirement of the lead and bismuth cooling fast reactor fuel assembly cladding material under the high-temperature working condition is met.

The invention discloses a forging device for manufacturing a high-quality titanium forge piece bearing seat and a forging process of the forging device, and relates to the field of high-quality titanium forge piece bearing seat forging.The forging device comprises a bottom plate, a supporting rod, a mounting table, a top plate, a hydraulic rod and an upper die, the supporting rod is fixed to the bottom plate, and the mounting table fixed to the supporting rod is arranged above the bottom plate; a top plate fixed to the supporting rods is arranged above the mounting table. According to the forging device for manufacturing the high-quality titanium forge piece bearing seat and the forging process of the forging device, an automatic discharging mechanism is adopted, after blank forging is completed, automatic discharging of blanks can be achieved, the convenience of device operation is improved, and therefore the machining efficiency is effectively improved; at the moment, the two lower dies are matched with the upper die to achieve the forging effect of the blank, after forging is completed, the slope block and the rotating plate are matched to slide, the fixing plate and the lower dies are made to move, the two lower dies are separated, then the blank automatically falls, and the automatic discharging effect is achieved.

The invention discloses a forging part surface defect detection mechanism, and belongs to the technical field of forging part detection. The forging part surface defect detection mechanism comprises a detection table, a flaw detector is installed on the outer wall of the top end of an electric cylinder, a cleaning assembly used for cleaning oxide skin on the surface of a forging part is arranged on the outer wall of the detection table, and a driving assembly is arranged on the inner wall of a supporting plate. The distance between the front push block and the rear push block can be adjusted according to the length of the cylindrical forging part through rotation of the small-lead screw rod, and after the cylindrical forging part is placed on the surface of the supporting plate, the small-lead screw rod drives the front push block and the rear push block to push the cylindrical forging part to slowly move towards the flaw detector. And meanwhile, the first driving roller and the second driving roller push the cylindrical forging part to rotate rapidly, at the moment, the cleaning assembly moves towards the surface of the cylindrical forging part, a sealing area is formed on the surface of the cylindrical forging part, the grinding disc is started to grind oxide skin in the sealing area, and dust and impurities generated during grinding are intensively discharged through the exhaust pipe.

The invention provides a friction welding method and a connection structure. A conical bonding pad connects a far-end component and a near-end component with a conical hole for accommodating the conical bonding pad; the method comprises the following steps: clamping the clamping end; during primary forging, the clamping device is controlled to drive the conical bonding pad to rotate for the primary forging time length at the primary forging rotating speed, the pressure jacking device jacks the contact end towards the direction of the far-end component at the primary forging pressure, and the bonding pad rubs against the far-end component; the initial forging rotating speed is 5%-45% of the theoretical range, the initial forging pressure is 55%-95% of the theoretical range, and the initial forging duration is 5%-45% of the theoretical range; during finish forging, the rotating speed of the clamping device is controlled to be zero, the pressure jacking device jacks the conical bonding pad towards a far-end component for finish forging duration and extrudes melt under finish forging pressure, the finish forging pressure is larger than the initial forging pressure, the welding power is reduced in a low-speed short-time and certain-high-pressure mode, the welding equipment is made to meet the requirements for miniaturization and light weight, field operation can be conducted, and the welding efficiency is improved. The melt is extruded from the side face of the conical bonding pad, impurity discharge is promoted, and the welding quality is improved.

The invention provides a method for improving the high-temperature crack resistance of a cupronickel alloy based on addition of an alterant, which comprises the following steps: S1, heating a cupronickel alloy raw material until the cupronickel alloy raw material is completely molten; s2, scum in the metal solution is fished out; s3, adding a copper-magnesium alloy; s4, adding pure titanium, and fully melting and reacting the pure titanium through stirring; s5, scum in the metal solution is fished out; s6, casting after the furnace front analysis is qualified; s7, obtaining a cupronickel alloy round ingot or flat ingot; the copper-magnesium alloy is added as a deoxidizing agent, so that the oxygen content of a metal solution can be reduced, oxygen is prevented from reacting with alloy elements to generate inclusions, the purity of the alloy is improved, and the crack resistance of the alloy is enhanced; the fine and uniform grain structure can effectively improve the high-temperature plasticity of the cupronickel alloy, reduce grain boundary defects, improve the high-temperature crack resistance of the cupronickel alloy and avoid cracking under high-temperature forging or hot rolling.

The invention discloses a forming die, a forming method and application of a refractory high-entropy alloy gear component, belongs to the technical field of near-net forming of refractory high-entropy alloy gear components, and aims to solve the technical problem that the refractory high-entropy alloy gear component is difficult to form in the prior art. The forming period of the refractory high-entropy alloy gear component is shortened, energy consumption caused by the adoption of a traditional hot forging process is reduced, the production period is shortened, the production cost is reduced, in addition, the high-temperature deformation capacity of refractory high-entropy alloy is improved through the electroplastic effect and the high-temperature softening effect, and the service life of the refractory high-entropy alloy gear component is prolonged. The limitation of ultrahigh room temperature and high-temperature strength of the refractory high-entropy alloy on forming of complex components is effectively solved, and the refractory high-entropy alloy is expected to be applied to forming of other complex components made of high-strength and difficult-to-deform materials and has wide application prospects. The manufacturing method is mainly used for manufacturing the refractory high-entropy alloy gear component.

The invention relates to the technical field of forging dies, and discloses a copper casting high-precision forging die which comprises a centrifugal frame capable of centrifugally rotating, and a transmission mandrel capable of controllably rotating and an oscillation forging system driven by the transmission mandrel are installed on the centrifugal frame. The oscillating forging system is provided with double vibrating frames capable of synchronously oscillating up and down and left and right in a reciprocating mode and a guide shaft capable of periodically rotating in a reciprocating mode, the guide shaft is rotationally installed on the double vibrating frames, the reciprocating frequency and the reciprocating stroke of the double vibrating frames periodically and cyclically change, a movable mold moving frame is installed on the double vibrating frames, and a fixed rotating mold base is rotationally installed on the double vibrating frames. A movable rotating die base is rotationally installed on the die moving frame, and forging die cavities are formed in the fixed rotating die base and the movable rotating die base. The mold filling coverage rate of a complex structure is increased, the defect of material shortage caused by mold filling dead angles is overcome, and the problem that in the prior art, mold filling of narrow slits, deep cavities and other structures is insufficient due to the fact that only one-way centrifugal force or a linear acceleration force field is relied on is solved.

The utility model belongs to the technical field of forging part surface oxide layer cleaning, and particularly relates to a metal forging oxide skin cleaning device which comprises a base. Two pneumatic cylinders are installed on the base, pneumatic rods are assembled at the acting ends of the two pneumatic cylinders, fixing plates are fixedly connected to the top ends of the two pneumatic rods, a shell is fixedly connected between the two fixing plates, a rotating shaft is rotatably installed in the shell, a rotating cylinder is sleeved on the rotating shaft, a first motor is installed on the side wall of the shell, and a second motor is installed on the side wall of the shell. The output end of the first motor is connected with one end of a rotating shaft, and four mounting seats are fixed on the circumferential surface of the rotating cylinder; when the device is used, the polishing and cleaning wheel can be conveniently and rapidly replaced, the working efficiency is greatly improved, the distance between the two conveying carrier rollers can be adjusted according to needs, the conveying and cleaning requirements of different forged steel columns are met, and the use range of the device is greatly widened.