115 results about "Isothermal forging" patented technology

The invention discloses a heat treatment process of a gear, which relates to the technical field of automobile gear heat treatment, and comprises the following steps: S1, blanking, S2, forging, S3, normalizing: preheating the gear in a preheating furnace by adopting a heating mode of combining infrared radiation and hot air circulation, S4, rough machining, S5, carburizing and quenching: carburizing and quenching, s6, induction heat quenching: performing induction heat quenching on an induction coil; S7, nitriding treatment; S8, low-temperature tempering; S9, finish machining; normalizing is combined with infrared radiation, hot air circulation preheating and induction heating, the effects of reducing energy consumption and machining cost and improving production efficiency are achieved, the forging force is reduced through isothermal forging, the energy consumption of equipment is greatly reduced, pulse type vacuum carburizing, high-pressure gas quenching and induction heat quenching are adopted to introduce a self-adaptive induction heating technology, and the energy consumption of equipment is greatly reduced. And a plasma nitriding technology and a composite nitriding technology are adopted, so that the surface hardness, wear resistance and fatigue strength are improved.

The invention relates to the technical field of thermoplastic forming of titanium-aluminum intermetallic compounds, in particular to a non-vacuum isothermal forging method for a titanium-aluminum alloy blade and application of the non-vacuum isothermal forging method for the titanium-aluminum alloy blade. By adjusting and controlling the included angle between the extrusion direction of a titanium-aluminum alloy extrusion state raw material and a titanium-aluminum alloy blade blank, screening proper deformation texture orientation and combining specific forging forming parameters, the structure state of a forge piece is guaranteed, and the purpose of reducing the thermoplastic forming resistance of the gamma-type titanium-aluminum alloy is achieved. The titanium-aluminum alloy blade is subjected to non-vacuum isothermal forging forming through the method, the deformation resistance during alloy forming can be effectively reduced, die abrasion is reduced, the die material selection range is widened, a non-vacuum isothermal forging window is provided, and compared with traditional vacuum isothermal forging forming, the manufacturing cost of the blade is greatly reduced.

The invention belongs to the technical field of nickel-based alloy material processing and forming, and particularly relates to a preparation method and application of a powder metallurgy and isothermal forging In738 disc shaft ring piece. The hot isostatic pressing technology is adopted for preforming the blank, internal gaps and cracks of the material are eliminated, the structure is homogenized, element segregation is improved, the fatigue life is prolonged, and a plastic blank is provided for subsequent isothermal forging. Furthermore, the temperature difference between the blank and the mold is reduced through preheating treatment, deformation resistance sudden change caused by local chilling is avoided, and microcrack initiation is inhibited. In addition, dynamic recrystallization is promoted through isothermal forging, a fine equiaxed crystal structure is obtained, and the high-temperature strength is improved; and through solution treatment, grain coarsening is inhibited, a supersaturated solid solution is reserved, and driving force is provided for aging precipitation. And then a dual-mode gamma'phase strengthening system is formed through a two-stage aging process, and the endurance life is optimized. Therefore, the high-temperature comprehensive mechanical property of the In738 nickel-based alloy is improved, and the use requirement of the In738 nickel-based alloy at high temperature is met.

The invention discloses a dimensional precision and surface quality control method in a TC4 titanium alloy superplastic forming process, which is characterized by comprising the following steps of: performing two-phase region forming forging on a TC4 titanium alloy cast ingot after a high-low high upsetting and drawing process to obtain a blank; the blank is subjected to isothermal forging forming, the height of the blank is monitored in real time, the deformation stage is judged to be the mold filling stage, the compaction stage and the shaping stage according to the height of the blank, the hot initial forging condition is adopted in the mold filling stage, the hot intermediate forging condition is adopted in the compaction stage, the hot forming forging condition is adopted in the shaping stage, and finally a forge piece is obtained; and the forge piece is subjected to solution treatment and aging heat treatment. According to the method, the change of the monitored height is combined with the real-time adjustment of forging process parameters, so that the anisotropy in a microstructure is minimum, crystal grains are finest and uniform, the comprehensive performance is optimal, and meanwhile, the precision control and the surface quality improvement are achieved.

The application discloses a preparation method of high-performance Ti2AlNb-based alloy plate and belongs to the technical field of titanium alloy plate preparation. The application discloses a preparation method of high-performance Ti2AlNb-based alloy plate, and the specific steps are as follows: firstly, the grain size is refined through multi-directional near-isothermal forging and hot rolling, and the comprehensive performance of the plate is improved, wherein the ingot is subjected to multi-directional near-isothermal forging in an alpha2+B2 phase zone (1020 DEG C-1040 DEG C) and an O+B2 phase zone (930 DEG C-960 DEG C), and the grain size of the forged alloy is refined through continuous temperature reduction phase transformation and recrystallization; then, only upper and lower cover plates are added to cover the plate, rivets are used to fix the blank, and hot rolling is carried out in an alpha2+O+B2 phase zone (980 DEG C-1010 DEG C), and the plate is air-cooled after rolling to obtain the Ti2AlNb-based alloy plate with relatively excellent performance. Then, through comparison and experiment, the process of 1000 DEG C / 20min / argon gas rapid cooling heat treatment is selected. Finally, the Ti2AlNb-based alloy plate with excellent performance at room temperature is obtained.

The invention discloses a preparation method of a TC11 titanium alloy cake blank with a high flaw detection level. The method comprises the steps that a TC11 titanium alloy cast ingot is subjected to cogging in the mode of forging above a phase transformation point, forging below the phase transformation point and forging above the phase transformation point, a bar blank is formed through multi-heating-number two-phase region forging, and cake blank forming forging is conducted through isothermal forging after discharging. Parameters such as the temperature, the forging mode and the forging ratio of each stage in the whole forging process are accurately controlled, the deformation uniformity and the structure uniformity are improved, and particularly, the structure uniformity of the cake blank can be remarkably improved by adopting isothermal forging to prepare the cake blank. The preparation method is suitable for industrial production of the TC11 titanium alloy cake blank with the thickness being 100-200 mm and the diameter being 400-600 mm, the production technology is advanced, the preparation process is short, operation is easy and effective, and the product has the advantages of being high in structure uniformity, high in flaw detection clutter level and the like.

The invention discloses a speed control system and method for a hydraulic sliding block of a vacuum isothermal forging hydraulic machine, and the system comprises a management terminal, a detection system and a control system, the management terminal is in bidirectional connection with the detection system, and the detection system is in bidirectional connection with the control system. The detection system comprises a detection module, a data acquisition module, a data processing module and a data sending module, and the output end of the detection module is connected with the input end of the data acquisition module. According to the speed control system and method for the hydraulic sliding block of the vacuum isothermal forging hydraulic machine, high-precision control over the speed of the sliding block is achieved through the high-precision displacement sensor and an improved PID control algorithm, the speed control precision can reach + / -0.1 mm / s, speed fluctuation is effectively reduced, the forging quality is improved, and when materials with extremely high speed precision requirements are forged, the speed control precision is greatly improved. Uniform internal structure of the forge piece can be ensured, defects are reduced, and the product percent of pass is increased.

The invention discloses a forging method for regulating and controlling TiAl alloy lamellar orientation, and belongs to the technical field of TiAl alloy material processing. The method comprises the following steps: coating a TiAl alloy ingot by adopting a soft sheath, heating a coated TiAl alloy blank, carrying out one-way multi-pass near isothermal forging, and carrying out heat treatment after re-forging to obtain a TiAl alloy forging stock with a full lamellar structure; according to the method, a TiAl alloy blank is subjected to one-way multi-pass near-isothermal forging in an (alpha + beta) two-phase region, the forged structure is that fine alpha2 / gamma photo layer groups with preferred orientation are distributed on a beta o phase net-shaped matrix, and then the TiAl alloy blank is subjected to heat treatment near an alpha phase transition point to eliminate the beta o phase in the forged structure; and the full lamellar structure TiAl alloy forging stock with the lamellar preferred orientation is obtained, and the comprehensive mechanical property of the TiAl alloy forging is comprehensively provided.

The invention discloses an isothermal forging forming method for a titanium alloy complex die forging for aviation, which is characterized in that the internal structure compactness of the forging is increased, the fiber direction and layout of the internal structure of the forging are optimized, the strength of the forging is improved, and the forging quality is improved by the technological processes of isothermal forging, isothermal pre-forging, corrosive washing, isothermal forging forming, heat treatment, secondary corrosive washing and the like at a specific temperature. The machining efficiency is improved; the machining cost is reduced; valuable material resources are saved; and the comprehensive performance of the forge piece is improved. The method is suitable for isothermal forging forming of titanium alloy complex die forgings for aviation.

A vacuum isothermal forging mechanical hand digital twin monitoring method and device based on physical constraint neural network, the main steps include: combining the collectable data with the equipment mechanism model, using neural network and mechanism model to obtain the data of difficult monitoring position, optimizing and correcting the simulation data of the whole equipment, obtaining the temperature and stress change of the whole structure of the mechanical hand in different working states, and mapping it to the virtual twin body of the mechanical hand; taking the minimum contact distance error and the maximum clamping stiffness prediction accuracy as the objective function, setting the reasonable range of the mechanical hand parameters based on the historical data or expert experience, and obtaining the recommended parameters through the Gaussian process modeling and the expected improvement method. The method can establish a more accurate vacuum isothermal forging mechanical hand digital twin model, and give the work parameter recommendation of carrying new products, which can effectively shorten the generation cycle and adapt to small batch and multi variety production type.

This invention discloses a high-efficiency circulating cooling system and control method for vacuum isothermal forging, as well as a storage medium, relating to the field of temperature control. It includes an initial self-test module, a sensor monitoring module, an external environment monitoring module, a data processing module, and a feedback processing module. By sending pure-tone sinusoidal sound waves to the cooling water pipes, it quickly detects whether the cooling water pipes are blocked. Combining external environmental influencing factors, it comprehensively evaluates the operating status of the cooling water pipes based on real-time water flow parameters at various points in the pipes, improving accuracy. It dynamically adjusts the rotation speed of the closed-loop pumping unit, supplying cooling water on demand, saving energy, reducing wear, optimizing the production process, lowering maintenance costs, and improving cooling efficiency.

The utility model discloses a heating and heat preservation device of an aluminum alloy isothermal forging die, which comprises a lower die block and an upper die block arranged at the top of the lower die block, an upper die heat insulation base plate for insulating heat of the upper die block is arranged at the top of the upper die block, and a heat insulation plate for insulating heat of the lower die block is arranged at the bottom of the lower die block. In order to improve the heat balance speed and efficiency, high-thermal-conductivity die steel is selectively adopted to manufacture the upper die and the lower die of the cavity, in order to reduce the invalid heat energy consumption of an isothermal die and block or reduce the heat energy loss path, a heat insulation material is adopted to wrap a coil and the die on the outer layer of the die, and the contact and heat exchange between the outer surface of the die and air are reduced; under the condition that the necessary temperature of isothermal forging is guaranteed, the input energy of induction heating is reduced, the production cost is reduced, high-thermal-conductivity die steel is adopted between an induction heating coil and a module or a combined module of the die, and the heat balance speed and efficiency of the module are improved.

The utility model relates to the technical field of forging, in particular to an isothermal forging forming device for irregular complex forgings, which comprises a forging table, a lower die is assembled above the forging table, a special-shaped groove is arranged on the surface of the lower die, a hot temperature table is assembled between the lower die and the forging table, an upper pressing die is arranged above the lower die, and a lower pressing die is arranged above the upper pressing die. A hydraulic cylinder is assembled above the upper pressing die, an assembling frame is assembled outside the hydraulic cylinder in a supporting mode, side columns are supported on the side edges of the assembling frame, lower stand columns are supported at the bottom of the assembling frame and supported on the side edges of the upper portion of the forging table, side baffles are assembled on the two sides and the rear side edges of the lower stand columns in a supporting mode, and a front frame is assembled on the front sides of the lower stand columns. A front blocking door is hinged to the interior of the front frame. According to the utility model, heating and temperature increasing can be conveniently carried out according to use requirements, the temperature has no difference with the temperature of a forge piece, isolation and heat preservation can be conveniently carried out, and assembly and use are more convenient.

The invention discloses TiA with a honeycomb shell structure as well as a preparation method, a product and application of the TiA. The method comprises the steps that mixed powder is loaded into a pure titanium tube to be subjected to vacuum packaging, hot isostatic pressing treatment is conducted for 4-6 hours at the temperature of 1200-1300 DEG C and the pressure of 150-200 MPa, then near-isothermal forging is conducted at the temperature of 1250-1300 DEG C at the pressing speed of 0.5-2 mm / s, and the single-pass deformation is 15-25%. The obtained honeycomb shell structure is formed by distributing a W-rich beta phase along a grain boundary and is of a net-shaped wrapping alpha < 2 + > gamma structure. By means of the structure, the yield strength and the tensile strength of the TiAl alloy from the room temperature to 900 DEG C are remarkably improved by about 8%-10%, and meanwhile the room-temperature plasticity of the alloy is basically kept. The method avoids the problems of resource waste and brittle phase increase caused by excessive addition of rare metal elements in a traditional method, has the dual advantages of resource saving and performance optimization, and is suitable for preparing high-temperature structural parts of aerospace engines.

The invention relates to the technical field of forging forming, in particular to a high-strength aluminum alloy multi-station isothermal forging forming device. Comprising hollow transmission frames which are symmetrically arranged front and back; the left inner side of the transmission frame is rotationally connected with a driving roller driven by a motor; the right inner side of the transmission frame is rotationally connected with a driven roller; the outer walls of the driving roller and the driven roller are jointly in transmission connection with a transmission belt; the middle section of the transmission frame penetrates through the heating box close to the left and the cooling box close to the right; the heating box is used for heating by using an electrified heating wire; the cooling box is used for cooling by air cooling; the bottom of the heating box and the bottom of the cooling box are connected with the rack in a supporting mode. A fixed mold with a fixed cavity is fixedly connected to the outer surface of the transmission belt in the transmission direction; the die and the blank are driven by the transmission belt to move integrally, the whole process is completed in a closed machining channel formed by the heating box and the cooling box, temperature drop loss in the blank transferring process is eliminated, and it is ensured that the blank is formed within the set temperature range.

The invention discloses a composite preparation process of a high-strength aluminum alloy special-shaped ring forge piece, and belongs to the technical field of metal plastic processing and heat treatment. The technology sequentially comprises the steps of multidirectional isothermal forging cogging, intermediate solution treatment, special-shaped preformed blank near-net forming, pulse current auxiliary special-shaped ring rolling and deformation heat treatment. Intermediate solution treatment is introduced to interrupt tissue inheritance, and a uniform fine-grain matrix is obtained; by means of the electroplastic effect of pulse current, efficient near-net forming of the special-shaped section is achieved at the low temperature, and grains are further refined; and finally, through combination of pre-cooling deformation and aging deformation heat treatment, synergistic improvement of strength and toughness is achieved. According to the method, the technical problems that in the preparation process of the high-strength aluminum alloy special-shaped ring forge piece, the structure is uneven, the performance anisotropy is high, special-shaped forming is difficult, and the material utilization rate is low are effectively solved, and a near-net-shape product with excellent comprehensive performance and high size precision can be stably obtained.

The invention provides an environment adjusting method, device and equipment for a vacuum isothermal forging space and a medium, and is applied to the technical field of industrial automation and intelligent control. The method comprises the steps that according to initial environment parameters of an internal vacuum isothermal forging space of the automatic heater, environment evaluation indexes are determined; determining a first environment adjustment parameter according to the first membership degree of different evaluation grades corresponding to the environment evaluation index; according to the first environment adjusting parameter, first-time environment adjusting is conducted, and a first vacuum isothermal forging space is obtained; when the environmental parameters of the first vacuum isothermal forging space do not meet the preset parameter threshold value, a second environmental adjustment parameter is determined according to the vacuum isothermal forging parameters, the historical forging standard parameters and the historical forging parameters, then environmental adjustment is conducted again, and a second vacuum isothermal forging space is obtained; environmental parameters of the second vacuum isothermal forging space meet preset parameter thresholds. And the control precision, the self-adaptability and the intelligence of vacuum isothermal forging are remarkably improved.

The invention relates to the technical field of titanium alloy crystal preparation, in particular to a large-size titanium alloy forge piece isothermal forging and single crystal regeneration synergistic preparation method which comprises the steps that a forging material ingot is heated, after heat preservation, the forging material ingot is discharged out of a furnace to be subjected to upsetting, drawing-out and air cooling after forging, the forging material ingot is heated again to be above a beta phase transformation point, upsetting, drawing-out and air cooling after forging are continued, and a blank is obtained; the blank is heated to the temperature below the beta phase transformation point, and upsetting, drawing and air cooling are conducted; heating to a temperature above a beta phase transformation point, homogenizing, upsetting, drawing out and air-cooling; finally, heating to below a beta phase transformation point, upsetting, drawing to a target diameter, and cutting to obtain a forging stock; the forging stock is subjected to die forging forming in an isothermal forging mode, the strain rate is adjusted in a self-adaptive mode according to the crystal characteristics of the forging stock, and a die forging blank is obtained; and after standing in water, carrying out aging heat treatment, and carrying out air cooling after heat preservation to obtain the titanium alloy beta-phase crystal. According to the method, the forging effect is optimized, and the uniformity of beta-phase crystals of the titanium alloy is ensured.

The invention discloses vacuum isothermal forging equipment with an automatic discharging function, and belongs to the technical field of metal forging, the vacuum isothermal forging equipment comprises a base, two supporting frames are fixedly mounted at the top of the base, a same top plate is fixedly mounted at the top ends of the two supporting frames, and a hydraulic cylinder is mounted at the bottom of the top plate; the lower die base is fixedly installed on the top of the base, a piston of the hydraulic cylinder is connected with a cover plate in a sliding mode, an installation plate is fixedly installed on the piston of the hydraulic cylinder, a cross beam is fixedly installed at the bottom end of the piston of the hydraulic cylinder, a stamping plate is arranged below the cross beam, and the stamping plate is matched with the lower die base. Heating plates are installed on the inner walls of the two sides of the lower die base correspondingly, and a vacuum pump is fixedly installed at the top of the base. And through mutual cooperation of the concentric-square-shaped notch and the concentric-square-shaped convex block and arrangement of the water injection box and the floating plate, when the cover plate moves downwards, a water source is sealed through the concentric-square-shaped notch, and gas leakage is prevented.

The invention discloses an isothermal forging die holder for machine tool drill bit forging equipment and a machine tool drill bit, and relates to the technical field of forging dies, the isothermal forging die holder comprises an upper die holder, a lower die holder and an alternate heat insulation assembly, and the alternate heat insulation assembly comprises a driving motor fixed on the surfaces of the lower die holder and the upper die holder; and a first heat insulation plate and a second heat insulation plate are embedded in the surface of the sliding shelf side by side. According to the invention, the temperature sensor monitors the temperature of the first heat insulation plate or the second heat insulation plate in the heat insulation work in real time, and when the temperature exceeds a threshold value, the heat insulation plate in the heat insulation work is replaced through the arrangement of the double heat insulation plates; therefore, the problems of pulverization and compaction of a heat insulation plate material caused by the fact that a single heat insulation plate is under the continuous action of high temperature and high forging load for a long time are solved, the two heat insulation plates alternately undertake a heat insulation task and alternately dissipate heat and cool through the alternate design, the high-temperature continuous working time of the single plate is greatly shortened, heat aging and structural damage are delayed, and the service life of the heat insulation plate is prolonged. The service life of the heat insulation plate is prolonged.

The invention relates to the technical field of forging, in particular to a vacuum isothermal forging hydraulic press which comprises a rack and a vacuum cavity formed in the rack, a mold is arranged in the vacuum cavity, a movable plate matched with the vacuum cavity is arranged in the rack, and the vacuum isothermal forging hydraulic press further comprises a vacuum nozzle which is arranged in the movable plate and used for evacuating gas in the vacuum cavity. One side of the movable plate is fixedly connected with a vacuum pump, the input end of the vacuum pump communicates with a coil pipe, and an air groove for communicating the coil pipe with the vacuum nozzle is formed in the movable plate; and the gas filtering shell is fixedly connected to the interior of the coil pipe, a filter screen is arranged in the gas filtering shell, an activated carbon plate is fixedly connected to one end of the filter screen, a plurality of scraping plates capable of abutting against the filter screen are arranged in the gas filtering shell, and a power assembly for driving the filter screen to be staggered with the multiple scraping plates is arranged in the gas filtering shell. The filter screen can intercept large-particle impurities in the gas, and the activated carbon plate further adsorbs fine pollutants and harmful gas in the gas, so that the emission standard is met.

The application discloses an isothermal forging method for a 3D printing blank of a nickel-based high-temperature alloy double-performance disc-shaped forging, and the steps are as follows: firstly, a 3D printing nickel-based high-temperature alloy powder is used to prepare a raw disc blank, then the raw disc blank is forged into an intermediate blank as a whole through first isothermal forging, a first gradient grain size is obtained, the overall grain size of the intermediate blank reaches 7-9 levels, and high-temperature durability and creep performance are good; then the blade pre-forging blank of the intermediate blank is forged into the blade of the disc-shaped forging in a local manner through second isothermal forging, a second gradient grain size is obtained, the grain size of the blade part of the disc-shaped forging reaches 11-12 levels, high-cycle fatigue performance and vibration resistance are good, and finally the disc-shaped forging is completed. The above-mentioned overall + local forging method is used to isothermally forge the double-performance disc-shaped forging on a single alloy blank body, and the method is mainly used for forming of a nickel-based high-temperature alloy double-performance disc-shaped forging of an aero-engine.

The invention discloses a method for forming irregular sheet forgings, which comprises the following steps of: upsetting a blank on a free forging hammer, and drawing out; the left end of the blank is controlled to be unchanged, the position a away from the left end of the blank is divided and drawn out, and then the whole blank is upset to be flat; the left end of the blank is drawn out and shaped, and an intermediate blank is manufactured; and finally, the intermediate blank is subjected to isothermal forging forming. By means of the method, forging forming of the irregular sheet forgings can be effectively achieved, and the forming quality of the irregular sheet forgings is improved. The method is used for forming irregular sheet forgings.

The invention relates to the technical field of non-ferrous metal processing methods, in particular to a preparation method of a high-performance Ti2AlNb alloy forging stock, which comprises the following steps: carrying out multi-heating-number blooming forging on a Ti2AlNb alloy ingot, carrying out multi-heating-number and multi-direction forging deformation on the bloomed and forged blank to obtain a Ti2AlNb alloy forging rod or forging cake, and carrying out multi-heating-number isothermal forging deformation on the Ti2AlNb alloy forging cake to obtain the high-performance Ti2AlNb alloy forging stock. And finally, the Ti2AlNb alloy forging cake obtained after Ti2AlNb alloy forging rod or forging cake machining is subjected to solid solution and aging treatment in an electric furnace, and then the high-performance Ti2AlNb alloy forging stock is obtained.The preparation method effectively solves the problems that alloy cracks in the forging process and the structure is uneven, meanwhile, anisotropy of the forging stock is reduced, the comprehensive mechanical property of the forging stock is improved, and the high-performance Ti2AlNb alloy forging stock is obtained. All technical indexes meet relevant standard requirements, production efficiency is high, equipment and operation are simple, operability is high, and batch production can be achieved.

The present invention discloses a method for preparing a Ti2AlNb-based alloy foil, which relates to the technical field of Ti2AlNb-based alloys. The method comprises the following steps: Step 1, performing multi-directional near-isothermal forging in the α2+B2 phase region on a Ti2AlNb-based alloy ingot to obtain a forging blank; Step 2, performing hot rolling in the α2+O+B2 phase region on the forging blank to obtain a Ti2AlNb-based alloy plate; Step 3, cold rolling the Ti2AlNb-based alloy plate to obtain a cold-rolled foil; and performing a short-time high-temperature annealing on the cold-rolled foil to obtain the Ti2AlNb-based alloy foil. The hot-rolled plate of the present invention can complete all cold rolling experiments without any intermediate annealing or plate lamination. The process is simple, efficient, and stable, with a yield rate of over 90%. The foil cold-rolled using the method of the present invention only needs a short-time annealing to obtain submicron-level grains and excellent mechanical properties.

The invention relates to a system for isothermally forging metal semifinished products close to the final contours within a vacuum and / or a protective gas atmosphere, comprising at least one forging press (1) which comprises at least one press ram (4) that extends into a vacuum forging chamber (3), at least one upper tool (5), and at least one lower tool (6); at least one workpiece changing chamber (9) which is connected to the vacuum forging chamber (3) in a gas-tight manner; and a plurality of lock chambers (11, 12) for preparing and / or heating and / or cooling workpieces, said lock chambers being connected to the workpiece changing chamber (9) in a gas-tight manner, wherein at least the vacuum forging chamber (3) has at least one round cross-sectional contour.

The application belongs to the field of novel beta titanium alloy hot working, and particularly relates to a forging method for improving anisotropy and strength-toughness matching of super-high strength and toughness beta titanium alloy. The method comprises the following steps: homogenizing a rod, wherein the heating temperature is (Tbeta+30)~(Tbeta+100) DEG C, and high-temperature homogenization treatment is performed for 15-30 hours; high-temperature reversing upsetting and drawing forging, the heating temperature of each fire is reduced by 20-50 DEG C in turn, and the range of the heating temperature is (Tbeta+30)~(Tbeta+100) DEG C; blank forging to obtain a blank; and isothermal forging on the blank to obtain a forged piece. The beta titanium alloy forging process specification is formulated, the problem of anisotropy of TB17 titanium alloy is greatly improved, and the strength and plasticity and toughness are well matched.

The isothermal forging forming method is characterized by comprising the technological processes of isothermal forging, isothermal pre-forging, corrosive washing, isothermal forging forming, heat treatment, secondary corrosive washing and the like at the specific temperature, the compactness of the internal structure of the forge piece is improved, the fiber direction and layout of the internal structure of the forge piece are optimized, the strength of the forge piece is improved, and the forging quality is improved. The machining efficiency is improved; the machining cost is reduced; valuable material resources are saved; and the comprehensive performance of the forge piece is improved. The method is suitable for isothermal forging forming of forgings in irregular shapes.

The utility model discloses a vacuum isothermal forging material transfer manipulator and vacuum isothermal forging equipment, the manipulator is located in a material transfer chamber, a feeding and discharging chamber, a heating chamber and a forging chamber are arranged around the material transfer chamber, and the manipulator transfers materials among the feeding and discharging chamber, the heating chamber and the forging chamber; the manipulator comprises a clamp mechanism arranged on a base; the first moving mechanism is arranged on the base and used for driving the clamp mechanism to linearly move in the horizontal plane in the length direction of a clamping piece of the clamp mechanism. The two moving mechanisms are arranged on the base and used for driving the clamp mechanism to linearly move in the horizontal plane in the direction perpendicular to the length direction of a clamping piece of the clamp mechanism; the third moving mechanism is arranged on the base and used for driving the clamp mechanism to linearly move in the vertical direction; and the rotating mechanism is arranged on the base and is used for driving the clamp mechanism to rotate by taking the vertical direction as a rotating shaft. The moving range of the clamp mechanism can be reduced, so that the material moving space of an adaptive manipulator is reduced, and the difficulty of forming and keeping a vacuum space is reduced.