1713results about "Heating/cooling devices" patented technology

The invention discloses a high-impact-toughness Ti80 titanium alloy forging stock with the extra-large specification of more than 9 tons and a manufacturing method. The manufacturing method comprises the following steps: S1) adopting a Ti80 titanium alloy cast ingot with the diameter of 960-1060 mm and the weight of 9-17 tons; (S2) cogging and forging are conducted, the cast ingot is subjected to upsetting and drawing for 2-5 heating numbers in a beta-phase region, and the upsetting and drawing deformation of each heating number is 30-55%; (S3) intermediate forging is conducted, specifically, the blank is subjected to 3-4 heating number upsetting and drawing in a beta-phase region, the upsetting and drawing deformation of each heating number is 30-55%, and air cooling is conducted after upsetting and drawing; and (S4) finished product forging is conducted, 3-5 heating number drawing is conducted at the temperature 30-60 DEG C below the phase transformation point, the deformation of each heating number is 10-30%, and the total deformation is larger than or equal to 50%. The thickness of the obtained forging stock is 200-500 mm, the width is 1000-2500 mm, the length is 2000-4000 mm, and after the forging stock is annealed, the tensile strength of each position is larger than or equal to 840 MPa, the yield strength is larger than or equal to 740 MPa, the ductility is larger than or equal to 10%, and the impact energy is larger than 60 J. And the obtained forging stock is uniform in structure, the material is not cracked in the forging process, and the yield and the impact toughness after annealing are improved.

The invention relates to a preparation method of a low-cost TC21 titanium alloy large-specification bar, which comprises the following steps: 1) carrying out two-heating cogging forging on a TC21 titanium alloy ingot: carrying out beta single-phase region high-temperature forging at the first heating to obtain an intermediate billet ingot with a square cross section; in the second heating number, low-temperature upsetting and reversing drawing-out forging are carried out, then high-temperature forging is carried out, and an intermediate billet cast ingot with the square section and the grain size being 1-2 mm is obtained; (2) three-heating-number bar forging is carried out, specifically, in the first heating number to the second heating number, the intermediate blank cast ingot is upset and then drawn out and forged into a blank with the octagonal section in each heating number, and in the third heating number, the intermediate blank is drawn out into an intermediate blank with the twelve-square section; and (3) forming and forging for one heating number, wherein the middle blank with the twelve-square section is milled into a rod blank with the round section and the required size. By means of the method, the uniformity of the bar structure is improved, and the TC21 titanium alloy large-specification bar with the structure and performance meeting the requirements of phi 350 mm can be prepared at low cost.

An isothermal near-net forming method of a TC4 titanium alloy aeroengine blisk comprises the following steps that (1) the surface of a TC4 titanium alloy bar is coated with a glass lubricant, and the TC4 titanium alloy bar is heated to T beta-(30-80) DEG C; 2) coating a glass lubricant on the pre-forging die and heating the pre-forging die to T beta-(30-80) DEG C; (3) the bar is loaded into a pre-forging die to be forged into an intermediate blank, at least one heating number of forging is carried out, the strain rate is smaller than or equal to 0.01 s <-1 >, and the deformation amount is 60-70%; after forging is completed, the intermediate blank is water-cooled to the room temperature; (4) the intermediate blank is heated to T beta-(30-80) DEG C; 5) coating a glass lubricant on a finish forging forming die and heating to T beta-(30-80) DEG C; the method comprises the following steps of (1) carrying out primary forging on an intermediate blank, (2) carrying out secondary forging on the intermediate blank, (3) carrying out secondary forging on the intermediate blank, (4) carrying out secondary forging on the intermediate blank, (5) carrying out secondary forging on the intermediate blank, (6) loading the intermediate blank into a final forging forming die, pressing the intermediate blank into a blisk forge piece, carrying out at least one-heating-number forging, carrying out water cooling on the blisk forge piece to room temperature, (7) carrying out solution treatment on the blisk forge piece and carrying out water cooling to room temperature, and (8) carrying out aging treatment on the blisk forge piece and carrying out air cooling to room temperature.

The invention discloses a preparation method of a high-uniformity titanium alloy bar, which comprises the following steps of: performing reversing upsetting and drawing on a round billet or a near-round billet, controlling the rotation times of drawing in the reversing upsetting and drawing, performing spheroidization in combination with dynamic recrystallization, and returning to the original temperature after forging to enable an alpha phase to be further subjected to static recrystallization, thereby obtaining the high-uniformity titanium alloy bar. Meanwhile, the beta phase is recovered to form a subcrystal structure, and the beta phase and the alpha phase are further subjected to static recrystallization to be refined by heating to T beta-(10-30) DEG C. The problems of cracking and non-uniform deformation caused by reversing upsetting in the prior art can be remarkably improved, and the cracking degree of the blank is remarkably relieved while the structure uniformity is improved.

The present invention relates to the technical field of forging, and particularly to an automated piston forging feeding robot. The automated piston forging feeding robot comprises a sliding mechanism, a supporting mechanism, a base, a telescopic mechanism, a pushing mechanism, and a gripping mechanism, wherein the sliding mechanism is fixedly mounted on a walking beam, the supporting mechanism is fixedly mounted at a lower end of the sliding mechanism, the base is movably mounted on the ground, the telescopic mechanism is fixedly mounted in the supporting mechanism, the pushing mechanism is fixedly mounted on the ground, and the gripping mechanism is fixedly mounted at a front end of the walking beam. The present invention solves the problems of the high maintenance costs and high energy consumption associated with existing hydraulic feeding methods, achieves the ejection of billets during device movement, and provides appropriate cooling to prevent sticking. When billet jumping occurs, the hydraulic feeding methods fail to grip a workpiece, which causes the workpiece to remain in a deviated state and results in a failure to correct the position of the workpiece for delivery to a forging area for further processing. The present invention suppresses billet jumping and corrects the position of the workpiece.

The invention relates to the field of forging processes, and discloses an efficient forging process for an output shaft shared by ship accessories and mining machinery, which comprises the following steps of: 1, simulating the stress condition of a mold by adopting finite element analysis through mold design and optimization, ensuring uniform stress of the mold, and avoiding mold wear and material segregation; secondly, the forging force and the deformation rate are precisely controlled through a numerical control forging machine tool, so that stable control over the forming precision of the forge piece is achieved; thirdly, a composite forging process is adopted, wherein the composite forging process comprises a pre-forging process and a precision forging process; 4, optimizing a heat treatment process; and 5, monitoring temperature, stress and deformation data in real time in cooperation with an intelligent temperature control and monitoring system. The forging force and the deformation rate are precisely controlled through the numerical control forging machine tool, the high consistency of the shape and the size of the forge piece in the forging process is guaranteed, error accumulation in the forging process is avoided, and the forming precision of the forge piece is improved.

The invention belongs to the technical field of pipe fitting hot punching forging, and particularly relates to pipe fitting hot punching forging equipment which comprises a base, supports, temperature sensing type hot forging mechanisms and auxiliary type material moving mechanisms, the supports are symmetrically arranged on the upper wall of the base, the temperature sensing type hot forging mechanisms are arranged on the supports, and the auxiliary type material moving mechanisms are arranged at the two ends of the supports. The temperature sensing type hot forging mechanism comprises a rotary driving mechanism, a heating mechanism, a temperature guide mechanism, a limiting mechanism and a direct driving mechanism, the rotary driving mechanism is arranged on the side wall of the support, the heating mechanism is arranged on the rotary driving mechanism, the temperature guide mechanism is arranged on the upper wall of the support, the limiting mechanism is arranged on the side wall of the temperature guide mechanism, and the direct driving mechanism is arranged on the inner wall of the support. According to the hot punching forging equipment for the pipe fittings, the heating temperature of each group of metal blanks entering the forging furnace can be monitored in real time, and the quality of forged and formed workpieces is guaranteed.

The invention relates to a free forging method for preparing an AAA nondestructive inspection grade large-specification TC4 alloy bar, and belongs to the technical field of titanium alloy hot working. According to the method, as-cast grains are fully crushed and refined through high-temperature and large-deformation forging in the cogging stage; high-low-high heating forging at the lower phase transformation point and the upper phase transformation point is used for promoting the high-temperature dynamic recrystallization process so as to homogenize crystal grains; the corner deformation dead zone is fully reduced through multi-heating-number diagonal drawing-out forging, and a U-shaped anvil is adopted in the forming stage to reduce metal flowing in all directions in the rolling stage. According to the free forging method for the large-specification TC4 alloy bar, the structure uniformity of the TC4 alloy bar can be improved, and the AAA-level nondestructive testing requirement is met.

The invention discloses a thin-wall multi-fin part integrated forming device and process, the thin-wall multi-fin part integrated forming device comprises a die holder, a lower die is arranged at the top of the die holder, a shape control die is embedded in the top end of the lower die, and an upper die is arranged at the top ends of the lower die and the shape control die; the power output end of the upper pressing mechanism is fixedly connected with a shape filling mold which is movably inserted into the lower mold, and the power output end of the secondary upper pressing mechanism is fixedly connected with an ejector rod which is movably inserted into the shape filling mold; the power output end of the downward pressing mechanism is fixedly connected with a male die movably inserted into the upper die, and the power output end of the secondary downward pressing mechanism is fixedly connected with a hole forming rod movably inserted into the male die. The integrated forming process of the whole forming process of local heating, upsetting, necking and back upsetting of a blank and overall forming, hole forming, cooling and demolding of a formed part can be achieved, the complete metal flow line of the thin-wall multi-fin part is kept, and local strengthening and efficient near-net forming of a fin area are achieved.

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 is applicable to the technical field of titanium alloy pipe processing, and particularly relates to a preparation method of a high-plasticity TA15 titanium alloy pipe, which comprises the following steps: step S1, selecting sponge titanium, pure metal and intermediate alloy, preparing according to standard components of TA15 titanium alloy to obtain a prepared raw material, and smelting the prepared raw material for three times by adopting a vacuum consumable smelting furnace to obtain a high-plasticity TA15 titanium alloy pipe; and the TA15 titanium alloy cast ingot with the diameter being 600 mm is obtained. According to the method, the mechanical property and plasticity of the titanium alloy pipe are remarkably improved by accurately controlling the temperature and deformation of each machining step. And three-time upsetting and three-time drawing forging is carried out within the temperature range of T beta or above, coarse grains are effectively crushed, and grain structures are refined. And then, the metallographic structure of the wool rod is gradually optimized by accurately controlling the forging temperature and the deformation amount.

The present disclosure provides a device and a method for controllable forging of a forming flow line of a complex-shaped component. The device includes a frame, a shaping unit, a cushioning unit, and a cleaning unit, and the frame is used to mount and fix the shaping unit, the cushioning unit, and the cleaning unit; the shaping unit is used to improve a shaping capacity of processed parts; the cushioning unit is used to reduce a vibration in a metal shaping process to avoid an impact on the shaping of the metal; the cleaning unit is used to clean up a surface of a mold after shaping; when the metal is put into the mold, the metal is extruded and shaped through the shaping unit, and at the same time, the cushioning unit is used to offset the vibration generated by the shaping unit during the shaping process.

The present invention provides a mobile phone frame band forging and heating equipment, which belongs to the field of mobile phone frame production, including a feeder, a heating furnace and a heated transfer table, the feeder includes a cabinet assembly, a hood assembly is arranged on the top of the cabinet assembly, a three-color lamp is fixedly installed on the top of the outer surface of the hood assembly, a touch screen is fixedly installed on one side of the outer surface of the hood assembly, and a button plate is fixedly installed on one side of the outer surface of the hood assembly and located at the bottom of the touch screen. Through the coordinated use of the feeder, the heating furnace, the heated transfer table, the six-claw robot and the hydraulic press, the band heating forging of the mobile phone frame can be realized, the whole forging process is smooth and safe, and the heating forging efficiency of the mobile phone frame is improved, and a bottom transplanting assembly is arranged on the cabinet assembly to transfer the material tray, and the human only needs to take down the empty material tray and stack the full material tray on other material trays, which is simple to operate, has low requirements on the staff, and is more convenient to use.

The invention discloses flange machining and forging equipment, and relates to the technical field of flange forging dies, an eccentric knocking assembly is arranged at the top of a die base, the eccentric knocking assembly comprises a first driving motor, the first driving motor is fixedly mounted on the left side of the die base, and the output end of the first driving motor is fixedly connected with a first gear; an eccentric groove is formed in the top face of the first gear, an eccentric sliding seat is arranged above the eccentric groove, a transmission pin is fixedly connected to the bottom face of the eccentric sliding seat, the transmission pin is slidably connected to the inner surface of the eccentric groove, sliding frames are fixedly connected to the front side and the rear side of the eccentric sliding seat, and first sliding grooves are formed in the front side and the rear side of the mold base; by means of the structure, the die is automatically moved to the position deviating from the lower portion of the forging die, a blank is driven to rotate, the forging blank can be evenly hammered in cooperation with a certain hammering frequency of the forging die, and therefore the blank forming effect is improved, and operation is easy.

The invention discloses an efficient homogenizing forging method for a large-size titanium alloy cast ingot, which comprises the following steps of: 1, preserving heat at 150-250 DEG C above a phase transformation point, and forging to ensure that the height-diameter ratio of a forging stock is less than 2.5; 2, forging after remelting and heat preservation; thirdly, forging is conducted after heat preservation is conducted at the temperature 50-150 DEG C above the phase transformation point; fourthly, forging is conducted after heat preservation is conducted at the temperature 20-40 DEG C below the phase transformation point; 5, preserving heat at 10-40 DEG C above the phase transformation point, and cooling with water; and 6, carrying out heat preservation at the temperature of 20-40 DEG C below the phase transformation point, and then forging. According to the method, the height-diameter ratio is suitable for deformation through slow-pressing upsetting and shaping, excessive growth of crystal grains in the deformation process is restrained, and partial stress concentration in the deformation process is released in time, so that it is guaranteed that the crystal grains are broken, and meanwhile cast ingots do not crack; by chamfering, flattening or drawing out, the forging stock uniformly deforms at multiple angles, small deformation of the contact part of the forging stock and the anvil surface and cracking of the side surface of the forging stock under the action of tensile stress are avoided, and the method is suitable for the technical field of titanium alloy material processing.

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 relates to a forging method of a hollow shaft forge piece with flanges at two ends, which belongs to the technical field of forging and comprises the following steps: S1, pretreating a steel ingot; s2, upsetting and punching are conducted; s3, primary reaming is conducted, specifically, the blank obtained after upsetting and punching is heated to 1150-1250 DEG C, heat preservation is conducted for 4-8 h, and an inner hole of the heated blank is expanded; s4, primary drawing-out is conducted, specifically, the blank obtained after primary reaming is conducted is heated to 1000-1200 DEG C, heat preservation is conducted for 4-8 h, and the heated blank is drawn out till the outer diameter of the blank is equal to the outer diameter required by the process of the flange; s5, forging flanges and a concave baffle: heating the blank subjected to primary drawing to 1000-1200 DEG C, preserving heat for 4-8 hours, and then forging the flanges at the two ends and the concave baffle in the middle; and S6, drawing-chambering forging is conducted, specifically, the blank obtained after primary forging is heated to 1000-1150 DEG C, heat preservation is conducted for 3-6 h, then a middle concave baffle is drawn out to enable the outer diameter of the concave baffle to be the size required by the technology, then the inner diameter of the blank is expanded to the size required by the technology, and a finished product is obtained. The method can avoid the concave center phenomenon and improve the product quality.

The present application discloses a hot press forming device for bolt processing, which relates to the field of metal forging technology. The device comprises a processing table, an inner cavity of the processing table is provided with a forming assembly, a hydraulic cylinder is fixedly installed on the top bottom wall of the processing table, and a second piston rod is slidably connected to the inner cavity of the hydraulic cylinder. The present invention can produce bolts of different lengths according to demand through the forming assembly, and the workpiece can be ejected by a demoulding mechanism with flexible force after hot forging, so as to prevent the demoulding mechanism with too strong rigidity from ejecting or manually pulling out and damaging the workpiece or the mold. Water can be automatically sprayed for cooling during demoulding, which is also helpful for demoulding, improving production efficiency and preventing workers from being scalded when taking out the workpiece. The positioning assembly can detect whether the pressing mold has position deviation, and when the pressing mold has position deviation, an alarm can be issued in time to remind the workers to perform maintenance. The device can also detect whether the pressing mold is tilted, so as to ensure uniform force during hot pressing and avoid mass production of unqualified bolts.

The invention relates to a multi-station cold heading forming process for a special-shaped pipe fitting of an automobile shock absorber, and belongs to the technical field of cold heading of special-shaped pipe fittings of automobiles. A combined female die with a three-stage gradual-change fillet structure is adopted, and the diameters of fillets are gradually increased to be matched with a gradient stiffness belleville spring buffer unit, so that staging release of stress is realized; a cross section sudden change stress peak value of the root of the flange is eliminated, the crack risk is reduced, a special-shaped punch of a 45-degree helical angle gradually-shrinking type flow guide groove is designed, axial and radial flow of materials is dynamically guided, meanwhile, the filling amount is controlled in real time through a hydraulic adjustable limiting mechanism, and the problems of folding and wall thickness fluctuation are radically solved; three sets of gradient clamping force clamping jaws distributed at 120 degrees and V-shaped pre-indentations are arranged, asymmetric deformation generated by preorder cold heading is compensated in a self-adaptive mode, and the coaxiality error of a special-shaped contour and a flange is reduced. The problems that in the multi-station cold heading process in the prior art, cracks are caused due to stress concentration of a fixed fillet die, and folding defects are caused due to out-of-control flowing of a linear flow guide groove material are solved.

The invention relates to the technical field of cold heading machine feeding and discharging, in particular to a bolt machining cold heading forming machine feeding and discharging device which comprises a cold heading machine body and a transferring mechanism. The transfer mechanism comprises a mounting frame; a mounting plate is arranged on the side, close to the movable module, of the mounting frame. A plurality of clamp assemblies are distributed on the mounting plate, and each clamp assembly comprises two clamp arms; fixed blocks are fixed at the lower ends of the clamp arms; two clamping plates are arranged between the two fixing blocks; each fixing block corresponds to one clamping plate; the clamping plates and the corresponding fixing blocks are in sliding fit through sliding assemblies. The clamping plates and the corresponding fixing blocks are in sliding fit through sliding assemblies. When the two clamping plates clamp a blank and the blank moves in the first direction, the sliding assemblies are used for enabling the clamping plates and the clamp arms to slide relatively, and friction between the blank and the clamping plates is avoided.

The utility model discloses a riveting device which is used for conducting riveting connection on a to-be-riveted piece through a rivet, the to-be-riveted piece comprises a first plate piece and a second plate piece which are arranged in a stacked mode in the first direction, the riveting device comprises a riveting assembly, the riveting assembly comprises a riveting die, the riveting die extends in the first direction, and one end of the riveting die is provided with a pressing connection face; the crimping surface is crimped with the surface of one side of the to-be-riveted piece; and the heating assembly comprises an electric connecting piece, the electric connecting piece is connected with the surface of one side of the to-be-riveted piece, and the heating assembly is configured to enable the riveting die, the to-be-riveted piece and the electric connecting piece to be connected in series to form a closed heating circuit in a heating state so as to heat the to-be-riveted piece. According to the riveting device, a stable and good heating effect can be achieved on the to-be-riveted part, so that the to-be-riveted part is well prevented from cracking, the riveting effect of the to-be-riveted part is better and more reliable, and the to-be-riveted part can have good structural strength after being riveted.

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 discloses automatic forging equipment for flange production based on robot conveying and a forging method, and relates to the technical field of automatic forging equipment, a heating furnace is arranged on one side of the automatic forging equipment, a conveying line is arranged at an outlet of the heating furnace, the automatic forging equipment is used for forging a workpiece, and a to-be-raised part of the workpiece is a sealing layer; the automatic forging equipment comprises a machine tool, a power device, a temperature adjusting device and a transfer device, the power device is connected with the machine tool, the transfer device is located between the machine tool and the conveying line, a working cavity is formed in the machine tool, a switching groove is formed in one side of the working cavity and communicated with the working cavity, and the temperature adjusting device is arranged in the switching groove. The workpiece is moved into the working cavity through the transfer device, the temperature adjusting device is arranged in the switching groove and can move into the working cavity, the workpiece is locally heated through the temperature adjusting device, the local plasticity is improved, and the forming quality is conveniently improved.

The invention discloses a local rolling forming method for a high-temperature alloy gradient structure dual-performance disc and the disc. The two sides of the disc piece are provided with annular groove structures stretching across the disc center to the disc edge partial area. The forming method comprises the steps that a high-temperature alloy disc blank is installed to a mandrel of a clamping part to rotate at the constant speed; the high-temperature alloy disc blank is heated, a disc center area of the high-temperature alloy disc blank is cooled, the temperature of the high-temperature alloy disc blank is formed, and a high-temperature alloy rolling forming temperature gradient interval is kept; according to the thickness of the high-temperature alloy disc blank, the first deformation ratio and the second deformation ratio, the first axial pressing amount of each pass of rolling in the disc center area and the second axial pressing amount of each pass of rolling in the disc edge area are set, the two sides of the high-temperature alloy disc blank are rolled outwards in the radial direction of the disc center area from the specific position of the disc center area in sequence, and a disc piece is formed; and carrying out water cooling treatment on the heat-treated disc to room temperature. According to the invention, the purpose of accurately controlling the crystal double-organization structure in the integral forming of the high-temperature alloy with lower production cost and manufacturing period can be achieved.

The invention discloses engine piston forging equipment and a forging process, and belongs to the technical field of engine piston forging machine.The engine piston forging equipment and the forging process comprise a forging machine and an upper movable die driven by hydraulic pressure to move up and down in the forging machine; a boss coaxially distributed with the upper movable die is fixedly installed on the forging machine, a fixed die is fixedly installed on the upper end face of the boss through a fixing column, a movable cylinder is slidably connected to the boss in the axis direction, and a lower movable die connected with the lower portion of the fixed die in a clamped mode is fixedly installed on the upper end face of the movable cylinder. An ejector rod is connected in the lower movable mold in a sliding manner along the axis direction; the boss is further provided with a heating mechanism used for heating the fixed die and the piston blank so as to increase the forging temperature. The piston blank can be forged for multiple times through the upper movable die, the fixed die and the lower fixed die which are combined, the piston blank can be heated in a segmented mode, and the forging quality is improved.

The invention provides a forming method of an IN617 alloy cylindrical forge piece, and relates to the technical field of forging, according to the method, after an IN617 nickel base alloy cast ingot is subjected to homogenization heat treatment, one-heating-number free forging upsetting, one-heating-number drawing-out, closed upsetting, punching, saddle chambering and core rod drawing-out are conducted, and the IN617 alloy cylindrical forge piece is obtained; by strictly controlling technological parameters in the forge piece forming process, the material utilization rate and the production efficiency can be improved, meanwhile, cracking of the end face of the barrel of the IN617 alloy barrel-shaped forge piece is reduced, and the grain size of the forge piece is further refined.

The invention belongs to the technical field of aviation annular forge piece forming, and discloses a GH4141 high-temperature alloy special-shaped high-vortex casing ring forge piece and a forming method thereof, and the forming method comprises the steps of blanking, upsetting punching, trestle chambering, rectangular pre-rolling, special-shaped pre-rolling and special-shaped finish rolling; the first forging temperature in upsetting punching is 1040-1110 DEG C, the second forging temperature in trestle chambering is 1000-1080 DEG C, the third forging temperature in rectangular pre-rolling is 1040-1060 DEG C, the fourth forging temperature in special-shaped pre-rolling is 1040-1060 DEG C, rolling is performed through at least one heating number, the fifth forging temperature in special-shaped final rolling is 1040-1060 DEG C, and a ring blank is rolled into a ring forging through at least one heating number; and the blank is locally wrapped before the special-shaped pre-rolling and the special-shaped finish rolling are heated. The problems that the GH4141 high-temperature alloy ring forge piece is prone to cracking and uneven in structure in the forging process are solved, the prepared ring forge piece meets the product requirement, the rejection rate is greatly reduced, and crystal grains of the forge piece are even.

The invention relates to the technical field of wind power equipment output shaft forging, and discloses a wind power equipment output shaft anti-fatigue performance optimization forging process which comprises the following steps that a blank is heated to a preset temperature to improve the forgeability of the blank, and a base is provided for subsequent forging; hot forging is conducted, specifically, a staged forging technology is adopted, grains are refined step by step, and forging defects are removed; cold forging is conducted, specifically, the blank is cooled to the room temperature to be subjected to cold forging treatment for optimizing the surface hardness and toughness of the forge piece, and the anti-fatigue performance is further enhanced; after finish forging and cold forging, residual compressive stress on the surface of the forge piece is treated; the temperature field is heated and detected, in the heating process, the temperature of the blank is detected in real time through temperature detection equipment, the temperature field is calculated, and it is ensured that the temperature is evenly distributed. The blank is subjected to hot forging in stages, grains can be gradually refined, forging defects are eliminated, then cold forging treatment is conducted, the surface hardness and toughness of the forge piece can be further optimized, the anti-fatigue performance is enhanced, and the quality and reliability of the forge piece are improved.

The invention discloses a forging forming method and die for a large hinge beam die forging for an airplane, and relates to the technical field of forging. According to the specific technical scheme, the method comprises the steps of heating before forging, cast ingot forging changing, machining, blank making heating, forging blank making, saw cutting, polishing damage repairing, first heating number heating of die forging, first heating number forging of die forging, first trimming, first corrosive washing damage repairing, second heating number heating of die forging, second heating number forging of die forging, second trimming, second corrosive washing damage repairing and size detection. According to the forging forming method for the 7050 aluminum alloy large hinge beam forge piece for the airplane, the forge piece which is qualified in size and uniform in structure property is obtained, and the use requirement is met.

The invention relates to the technical field of forging, in particular to a rapid forging hydraulic press which is characterized in that a first opening and a second opening communicating with the interior are formed in the two ends of a shell correspondingly, a first supporting plate is fixedly mounted on the outer side wall of the shell and located on the lower side of the first opening, a first air cylinder is fixedly mounted on the top wall of the first supporting plate, and a movable plate is fixedly mounted at the output end of the first air cylinder; a mold is arranged on the bottom wall of the inner side of the shell, a punch is arranged over the mold, a hydraulic cylinder is fixedly installed between the punch and the inner wall of the shell, a second supporting plate is fixedly installed on the outer side wall of the end, away from the first supporting plate, of the shell, and the second supporting plate is located on the lower side of the second opening. A clearing device is installed on the second supporting plate. A lifting turnover device is mounted in the shell; by means of the removing device, the release agent spraying device and the lifting and overturning device, the problem that metal filings, oxide skin and other residues remain in a mold is solved, and meanwhile the effect of convenient demolding is achieved.