545 results about "Forge" patented technology

The invention relates to the technical field of metal forge piece machining, in particular to an irregular metal forge piece heat treatment method and system.The irregular metal forge piece heat treatment method comprises the steps that firstly, temperature compensation partitions are divided according to geometrical characteristics, and stepped preheating is implemented to establish a uniform basic temperature field; then, the heat preservation time of each subarea is independently regulated and controlled in the austenitizing stage, and sufficient transformation of a thick-wall area structure and control over the grain size of a thin-wall area are both considered; in the quenching process, partition strength adjustment is carried out based on a preset cooling map, and cooling parameters are dynamically optimized through real-time feedback; and finally, according to the residual stress distribution, carrying out partition stepped tempering. The heating and cooling uniformity is remarkably improved through partition dynamic temperature management, and the structure difference and thermal stress concentration caused by section sudden change are effectively inhibited; the microstructure is ensured to be uniform and stable through austenitizing control; the hardenability and the deformation resistance are balanced through a differential cooling strategy; and directional reduction of residual stress is achieved through an intelligent tempering mechanism, and the cracking risk is greatly reduced while the comprehensive mechanical property is improved.

The invention discloses a preparation method of a high-homogeneity and high-stability copper target material, which comprises the following steps of: 1, cutting off a riser of a high-purity copper cast ingot, and turning to obtain a pretreated high-purity copper cast ingot; secondly, the pretreated high-purity copper ingot is heated and subjected to heat preservation in a furnace and then forged to obtain a forged copper blank; thirdly, the forged copper blank is subjected to room-temperature circumferential rolling treatment, and a rolled copper blank is obtained; fourthly, the rolled copper blank is subjected to two-stage annealing heat treatment, and a copper target blank is obtained; and 5, machining, cleaning and packaging to obtain the high-homogeneity and high-stability copper target material. According to the method, the high-purity copper cast ingot is sequentially subjected to pretreatment, forging, room-temperature circumferential rolling, two-stage annealing, machining, cleaning and packaging, preparation of the high-quality copper target material which is uniform in structure, controllable in crystal orientation and excellent in heat stability is achieved, the sputter coating quality is improved, and the method is easy to operate, high in controllability, high in production efficiency and suitable for industrial production. Meanwhile, raw materials and production cost are saved, and the method is suitable for large-scale popularization and application.

The invention relates to the technical field of forging heat treatment, and discloses a forging quenching and tempering method based on intelligent temperature control. The method comprises the following steps: acquiring a real-time temperature time sequence and a temperature distribution characteristic during heat treatment of a forge piece, and executing multi-scale signal decomposition through an optimal signal decomposition primary function and a decomposition depth hierarchy to obtain a multi-scale temperature signal component; and calculating a complexity metric value of the decomposition coefficient to extract randomness characteristics, and screening out a key temperature region coefficient which is most relevant to the structure evolution of the forge piece. The optimal temperature control frequency parameter is determined by combining the material phase change baseline characteristic, the current heat treatment stage state and the randomness characteristic, a temperature field evolution characteristic sequence is reconstructed and is modally decomposed into a slow change component and an accelerated change component, accordingly, the hardening and tempering state type is recognized, a temperature control strategy library is matched to generate a control instruction, and accurate and efficient forging hardening and tempering treatment is achieved. The method solves the problem of lagging structure performance regulation in traditional heat treatment, and improves the stability and consistency of the comprehensive performance of the forge piece.

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 aluminum alloy forging, in particular to a forging process capable of reducing reverse forging coarse grains of 6061 aluminum alloy, which comprises the following steps: acquiring a 6061 aluminum alloy ingot, homogenizing and annealing the 6061 aluminum alloy ingot at 480-520 DEG C for 12-16 hours, cooling to room temperature by water, performing ultrasonic flaw detection, performing turning surface treatment, and alternately forging and pressing in three directions, thereby obtaining the 6061 aluminum alloy. The method comprises the following steps: placing a fine-grain 6061 aluminum alloy forge piece in a graded heating furnace, completing sub-dynamic recrystallization, applying directional pressure stress of 50-80MPa to the 6061 aluminum alloy forge piece, analyzing grain boundary characteristic distribution by adopting an electron back scattering diffraction technology, and obtaining the grain boundary optimized 6061 aluminum alloy forge piece with a discontinuous coarse-grain structure through laser shock strengthening and stress relief annealing. According to the method, the problems that reverse forging coarse grains are caused by uneven strain distribution during forging and pressing, and fine grains and high-density nanoprecipitation cannot be effectively obtained and a grain boundary structure cannot be optimized due to the fact that follow-up forging, heat treatment and stress treatment parameters are difficult to accurately control can be solved.

The invention provides a ring forge piece production control system and method for wind power generation, and relates to the technical field of production control systems.The system comprises a sensing module used for collecting the thickness change rate, the forge piece temperature and the vibration acceleration of a ring forge piece in real time; the edge calculation module is used for receiving data collected by the sensing module, executing rolling force dynamic compensation calculation and outputting dynamic compensation force to the control execution module; a cloud optimization module; and a control execution module. The thickness change rate, the forging temperature and the vibration acceleration of the ring forging are collected in real time through the sensing module, then rolling force dynamic compensation calculation is conducted through the edge calculation module, real-time dynamic compensation of the rolling force is achieved, and the response time of dynamic disturbance during high-speed rolling can be effectively shortened from 30 ms to 8 ms.

The invention discloses a feeding device for forging blank sawing, and belongs to the field of feeding equipment.The feeding device comprises a conveying mechanism and a limiting mechanism, the conveying mechanism comprises a plurality of shear fork frames which are pivoted end to end, the upper portions of the shear fork frames are rotationally connected with rollers, the middles of the shear fork frames are provided with pivot shafts, and the lower portions of the shear fork frames are provided with lower connecting rods; the conveying mechanism further comprises a plurality of H-shaped supports, side pipes are arranged on the inner walls of the H-shaped supports, the two ends of the lower connecting rod are slidably installed in the kidney-shaped grooves, and trundles are arranged on the lower portions of the H-shaped supports. The limiting mechanism comprises two rows of limiting baffles which are symmetrically arranged. The conveying mechanism is designed to be of a telescopic structure, stable support is provided for the forge piece blanks, especially long-size forge piece blanks, and the problem that the forge piece blanks are warped and unstable during saw cutting is avoided; by arranging the limiting mechanism, the forge piece blank is prevented from generating transverse deviation in the conveying process, the labor intensity of operators for manually adjusting the angle of the blank is relieved, and the saw cutting operation efficiency is improved.

The invention provides a preparation method of a nickel-based high-temperature alloy steel ingot. According to the smelting process of the nickel-based superalloy GH625 large-size vacuum arc furnace steel ingot, the vacuum induction furnace (VIM) and the vacuum arc furnace (VAR) are adopted for duplex smelting to produce the GH625 superalloy large-size steel ingot, and the large-size steel ingot which is phi 810 mm, free of macrosegregation, shallow in shrinkage cavity and good in plasticity can be obtained. According to the method, a 12t vacuum induction furnace is adopted to smelt about 12t electrode bars, a 12t vacuum arc furnace is adopted to remelt a consumable ingot with the diameter of 810mm, and the high-temperature alloy consumable ingot with the diameter of about 12t is prepared. The smelting process of the high-temperature alloy large forge piece material is broken through, the problems that a large-size steel ingot needed by a large forge piece is prone to segregation, the pipe shrinkage depth is large and the like are solved, and the market competitiveness is improved.

The invention provides a heat treatment method for a wind power gear forge piece. The heat treatment method comprises the following steps that 1, after-forging waste heat temperature equalization is carried out; 2, segmented forced controlled cooling is carried out till the forge piece reaches a furnace entering window, and forced cooling is carried out on the forge piece; at least three temperature measuring points are arranged on the forge piece; 3, isothermal normalizing for the first time, wherein the forge piece is placed in an isothermal furnace; 4, low-temperature reaustenitizing is conducted, specifically, the forge piece subjected to the first isothermal normalizing is heated to 860-910 DEG C, heat preservation is conducted, and the forge piece is reaustenitized; 5, secondary isothermal normalizing is conducted, specifically, the forged piece obtained after austenitizing is cooled to 645-670 DEG C in a controlled cooling mode, and isothermal heat preservation is conducted; the forge piece is heated to 380-450 DEG C, heat preservation is conducted, then the forge piece is cooled to 200 DEG C or below along with a furnace, and the forge piece is taken out of the furnace for air cooling. According to the method, a uniform and refined ferrite and pearlite structure is obtained in the core of the large-section forge piece, the hardness is stabilized within the range of 165-185 HBW, and the subsequent carburizing and quenching distortion sensitivity is reduced.

The utility model discloses a forging demoulding auxiliary device, and relates to the technical field of forging demoulding. The device comprises two vibration assemblies and a workbench, the number of the vibration assemblies is two, the two vibration assemblies are symmetrically arranged, the two vibration assemblies internally comprise the same parts, and each vibration assembly comprises a moving block. The vibration assembly is arranged, specifically, the arc-shaped blocks on the two sides get away from each other to drive the moving blocks to slide on the sliding rails, the moving blocks on the two sides extrude the springs on the two sides when getting away from each other, and the springs are extruded to generate opposite elastic force; the elastic force generated by the springs on the two sides pushes the moving blocks to get close to each other, so that the steel blocks are driven to make contact with the die, the knocking vibration effect is generated, when the die is in the vibration state, a gap is generated between a forge piece and the inner wall of the die, at the moment, workers take out the forge piece without damaging the forge piece, and the quality of finished products is guaranteed.

The invention discloses a 42CrMo forge piece quenching deformation calculation method, which comprises the following steps: based on three groups of cooling test results at different cooling rates, obtaining a change curve of a thermal expansion coefficient along with temperature, grinding, polishing and corroding a sample cooled at the three rates, observing a metallographic structure, and calculating the quenching deformation of a 42CrMo forge piece. Counting the volume fractions of ferrite, pearlite, bainite and martensite, and establishing a structure transformation model; and then, finite element software is used for inversely calculating phase change kinetic model parameters of the 42CrMo steel and thermal expansion coefficient curves of different tissues, so that the technical problem that phase change expansion cannot be predicted in the quenching deformation calculation process of the 42CrMo forge piece is solved, and the quenching deformation calculation precision of the forge piece is improved.

The utility model discloses a shaft forge piece machining clamping tool, which belongs to the technical field of shaft forge piece machining, and comprises an original lathe part, a Haff clamp and a self-aligning sleeve, the original lathe part comprises a four-jaw chuck and a center frame shaft sleeve which are arranged on a lathe, four clamping jaws are arranged on the four-jaw chuck in a sliding mode, and the center frame shaft sleeve is arranged on the center frame shaft sleeve. The Haff clamp comprises two oppositely-arranged clamp bodies and screws used for connecting the two clamp bodies, the two clamp bodies are fixedly installed on the shaft through the screws, the upper clamping jaw and the lower clamping jaw abut against the two clamp bodies respectively, the left clamping jaw and the right clamping jaw abut against the two screws respectively, the two ends of the aligning sleeve are in threaded connection with bolts respectively, and the two ends of the aligning sleeve are in threaded connection with the bolts respectively. The aligning sleeve is fixedly installed on the shaft through a bolt, and the surface of the aligning sleeve makes contact with the center frame shaft sleeve. By arranging the Haff clamp, the rotating torque can be effectively transmitted to the shaft forge piece, and by arranging the aligning sleeve, the abrasion of the center frame shaft sleeve can be reduced, the machining precision is improved, and the alignment difficulty is reduced.

The utility model discloses a ring forge piece blank transfer heat preservation tool which comprises a circular plate base, supporting legs arranged at the bottom of the circular plate base, a positioning stand column arranged in the center of the circular plate base, and a circular cover shell arranged on the positioning stand column in a sleeving mode to be positioned when a blank is placed on the circular plate base. The diameter of an inner cavity of the circular cover shell is 5-10 cm larger than the diameter of the circular plate base, a lifting lug is arranged at the top of the circular cover shell, so that the circular cover shell can be lifted, and after the circular cover shell covers the outer side of the circular plate base, heat preservation can be conducted on a blank placed on the circular plate base. The ring forging blank transfer heat preservation tool can well conduct heat preservation on blanks in the transfer process, so that the temperature of the blanks can be kept above the specified rolling temperature, reheating of the blanks can be reduced, the production efficiency can be greatly improved, the production cost can be reduced, and the product quality can be improved.

The invention discloses a method for refining and homogenizing crystal grains of a 9%-12% Cr steel thick-wall large forge piece, and belongs to the field of ferrous metallurgy. According to the method, the large forge piece is heated to be close to the critical point of the complete austenitizing temperature in a stepped mode, the large forge piece is subjected to heat treatment by regulating and controlling dispersive precipitation of carbides in an initial structure and uniform nucleation of austenite and / or introducing a small amount of undissolved ferrite, residual precipitated phases and multi-phase interfaces and controlling the cooling speed; nucleation particles of pearlite transformation in the vibration heat preservation process are remarkably increased, uniform distribution of granular pearlite in the supercooled austenite is promoted, structural inheritance is cut off and eliminated, and the purpose of grain refining and homogenizing after performance heat treatment is achieved. According to the method, the grains of the thick-wall large forge piece are refined to 5 grades or above, the cross section grain size difference is within 2 grades, a series of problems that in the production process, grass waves exist in ultrasonic flaw detection, the grain size is unqualified, and the low-temperature impact toughness does not reach the standard can be solved, the product percent of pass and the production efficiency are remarkably improved, and meanwhile the production energy consumption is reduced.

The application discloses a preparation method of a GH4738 alloy ring forge piece with uniform grains, and comprises the following steps: step (1), sawing GH4738 bars and sampling to perform a gamma phase full solution temperature test; step (2), heating and heat preservation; step (3), upsetting and punching the bar blank to form a ring blank 1; step (4), heating and heat preservation; step (5), hole expanding of a mandrel and a mandrel holder to obtain a ring blank 2; step (6), heating and heat preservation; step (7), breaking to a ring blank 3; step (8), heating to a gamma phase solution temperature and heat preservation; and step (9), ring rolling of a plurality of heating and small deformation times to form a shaped ring blank 4, namely a forge piece. The method of high-temperature large deformation blanking, low-temperature small deformation pre-rolling and three times of heating at a gamma phase solution temperature and small deformation final rolling is adopted to produce the GH4738 special-shaped machine case ring forge piece, and the problems of forging cracking, non-uniform grain size, large mechanical property fluctuation, creep exceeding the standard, ultrasonic flaw detection exceeding the standard and deformation in a machining process of the GH4738 special-shaped machine case ring forge piece are solved.

The invention relates to the field of forging forming, in particular to a ring rolling process heating constant-temperature device and a heating method, and the device comprises a heating mechanism, a monitoring mechanism and a control mechanism; the heating mechanism comprises a power source, a transformer and a coil, the power source, the transformer and the coil are electrically connected in sequence, the coil is provided with a U-shaped heating area and used for being arranged near a main roller of the ring rolling machine, and one section, in the circumferential direction, of the annular forge piece is located in the U-shaped heating area. The monitoring mechanism comprises an infrared thermometer, and the infrared thermometer is used for monitoring the temperature of the annular forge piece; the control mechanism comprises a controller, and the infrared thermometer and the power source are electrically connected with the controller. Through cooperation of the controller, the infrared thermometer and the heating mechanism, the problem of local temperature drop of the ring piece in the machining process is effectively solved, the near-isothermal ring rolling technology can be achieved, the uniformity and consistency of the structure of the ring piece are remarkably improved, and the defects of coarse grains, cracking and the like are overcome.

The invention belongs to the technical field of forge piece forging devices, and particularly relates to a stainless steel forge piece forging device which comprises a base, a workbench is fixedly connected to the upper end of the base, a supporting frame is fixedly connected to one side of the upper end of the workbench, a supporting cylinder is fixedly connected to one end of the supporting frame, and a hammering block is slidably connected to an inner cavity of the lower end of the supporting cylinder. A rotating column is rotationally connected into the upper end of the workbench, a conical base is installed in the middle of the upper end of the rotating column, and a cleaning protection assembly is arranged at the upper end of the rotating column. The problems that an existing forging device is not provided with a protection mechanism, so that during forging, oxide skin on the surface of a stainless steel blank is partially splashed by a forging mechanism, and then the skin of an operator is scalded are solved; and the surface of the stainless steel blank is easily damaged by impurities such as silicate to generate hard spots and pits, so that the quality problems of later forging strength and the like are influenced.

The invention provides a nondestructive testing method and system for a coarse grain layer on the surface of an aluminum alloy forge piece, and relates to the technical field of nondestructive testing. First surface temperature field time sequence data corresponding to a standard workpiece are collected, and according to the environment temperature, the workpiece heat conductivity, the workpiece specific heat capacity and detection environment parameters, the first surface temperature field time sequence data are obtained; generating a thermal response difference threshold calibration curve corresponding to the standard workpiece; performing eddy current induction heating on the to-be-detected workpiece at the same heating time as the standard workpiece and the preset workpiece interval, and collecting second surface temperature field time sequence data corresponding to the to-be-detected workpiece; comparing the temperature of each moment in the second surface temperature field time sequence data with the temperature of the moment corresponding to the thermal response difference threshold value calibration curve, and if the temperature difference value between the second surface temperature field time sequence data and the thermal response difference threshold value calibration curve exceeds a preset temperature threshold value, determining that the thermal response difference threshold value calibration curve does not exceed the preset temperature threshold value; and if so, determining that the coarse grain layer exists on the surface of the to-be-detected workpiece or the depth of the coarse grain layer on the surface of the to-be-detected workpiece exceeds the limit. According to the invention, the nondestructive detection precision of the metal workpiece can be improved.

The invention discloses a rolling ring station adjusting and measuring device and method for a wind power flange, and relates to the technical field of forge piece production, and the technical scheme is characterized in that a positioning assembly arranged on a supporting seat is used for carrying out center positioning and self-locking on a flange rolling ring according to the self-gravity of the flange rolling ring, and comprises a placement compression structure arranged on the supporting seat; a plurality of groups of movable positioning structures are arranged on the circumference of the placement compression structure; the three-position measuring assembly is arranged at the lower end of the telescopic device, is used for measuring the outer diameter, the inner diameter and the depth of a flange rolling ring and comprises an outer ring probe, an inner ring probe and a depth probe which are used for moving and surveying according to the center position of a flange, and the three-position measuring assembly is further provided with a stabilizing component used for stabilizing positioning of a flange forge piece. The device has the effects that the automatic operation of placing and positioning is realized, so that the adjusting and testing auxiliary time is greatly shortened, the production efficiency is improved, the manual intervention is reduced, and the operation safety of heavy workpieces is guaranteed.

The invention relates to a control method for increasing the boron content in a forge piece through double-vacuum smelting of 2.25 Cr1Mo0.25 V steel, belongs to the technical field of smelting, and solves at least one of the problems that in an existing 2.25 Cr1Mo0.25 V steel smelting process, the boron content cannot reach the effective effect content, the boron content fluctuation between heat times is large, and an existing boron control process is incompatible with a 2.25 Cr1Mo0.25 V steel double-vacuum process. A control method for improving the boron content in a forge piece through double vacuum smelting of 2.25 Cr1Mo0.25 V steel comprises the steps that vacuum carbon deoxidation refining is conducted, specifically, slagging, diffusion deoxidation, alloying, vacuum treatment, component fine adjustment and soft blowing are conducted on molten steel, and key element adding is conducted; and the vacuum casting comprises preparation before casting and vacuum casting protection. According to the method, the effective boron content is increased, the boron content fluctuation among the heats is reduced, and the process compatibility is good.

The invention relates to the technical field of forging, in particular to a step-by-step vertical forging forming method for a GH4169 alloy low-pressure turbine shaft part. A forge piece is designed according to the shape of the turbine shaft; the forge piece comprises a rod part and a head part which are coaxially arranged, the rod part and the head part 2 are connected through a transition area, and the diameter of the head part is larger than that of the rod part. Initial bar specifications are determined according to the rod part and the head part, and blanking is conducted; drawing out and forming the rod part; locally heating the head; and vertically upsetting the head. According to the method, the step-by-step forming process of drawing out the rod part through one time of heating and upsetting the head part through two times of heating is adopted, so that the heating number is effectively controlled, the repeated heating times are reduced, the production efficiency is improved, the consistency of overall deformation of the forge piece can be kept, and the problems of coarse grains and uneven structures caused by multiple times of heating are solved.

The invention relates to the field of forge piece forming, in particular to a forge piece forming machining device which solves the problems that an existing forge piece forming machining device only has a forging function, workpieces cannot be turned over and rotated automatically, and meanwhile, the workpieces of different shapes cannot be flexibly switched and machined conveniently. The device comprises a base, a machining table, a square groove, a sliding way, a sliding rod frame, a sliding seat, a first telescopic piece, a mounting frame, a supporting seat, an electric rolling wheel, a clamping seat, a first rotating plate, a support, a ring forming assembly, a third telescopic piece, a top plate, a supporting cylinder, an ejector rod, a linkage assembly and a driving cavity, stepped holes are formed in the driving cavity and the upper end face of the machining table in a penetrating mode, and a rotating assembly is arranged in the driving cavity; and the rotating assembly is used for rotating the rectangular workpiece. According to the device, water surface angle adjustment and turn-over can be automatically conducted on workpieces of various different shapes, annular workpieces can be machined, universality and functionality are improved, and use is stable and reliable.

The invention discloses a large wind power flange forge piece strengthening and toughening heat treatment device, and belongs to the technical field of flange forge piece heat treatment, the large wind power flange forge piece strengthening and toughening heat treatment device comprises a first limiting bearing plate, a deformable treatment mechanism is arranged on the upper surface of the first limiting bearing plate, and a third limiting bearing plate is arranged above the first limiting bearing plate; a second limiting bearing plate for supporting and fixing the third limiting bearing plate is arranged at one end of the upper surface of the first limiting bearing plate, and the deformable processing mechanism comprises a mounting metal pipe; through mutual cooperation of multiple structures, a user can rapidly heat the flange in all directions through the heat treatment device on the premise of energy conservation and environmental protection, the energy consumption of the heat treatment device is effectively reduced, secondly, the flange can be locally heated according to actual treatment requirements, and the application range of the heat treatment device is wider.

The utility model discloses a clamping tool for polishing a flange forge piece, relates to the technical field of clamping, and aims to solve the technical problems that the labor force for manually rotating the flange forge piece is limited, the time efficiency of polishing is lower, and the labor cost is high at present. A motor A is fixedly connected to one side of the supporting plate, the telescopic end of the motor A penetrates through the side wall of the supporting plate and is fixedly connected with a clamping assembly, the clamping assembly comprises a fixing cylinder fixedly connected to the telescopic end of the motor A, a cavity is formed in the fixing cylinder, and a cylindrical base is fixedly connected to the inner wall of the cavity through a supporting rod; a plurality of through grooves are formed in the surface of the cylindrical base at equal intervals, clamping blocks are slidably connected to the two symmetrical sides in the through grooves, the two clamping blocks are fixedly connected through a spring, and a limiting frame is slidably connected to the surface of the cylindrical base. The flange forge piece grinding device has the advantages that multiple sets of flange forge piece bodies of different sizes can be clamped and fixed at the same time, and the grinding efficiency and effect are improved.

The utility model relates to the technical field of forging processing, in particular to an inner wall dephosphorization device suitable for a forging workpiece with a deep hole, which comprises a foundation, an inner wall dephosphorization machine and a robot, the inner wall dephosphorization machine is arranged in a pit part of the foundation, and the robot is positioned on a table top of the foundation and is higher than the inner wall dephosphorization machine. The inner wall dephosphorization machine comprises a water tank and a quick electromagnetic valve located on one side of the water tank. The inner wall dephosphorization equipment suitable for the forged workpiece with the deep hole is provided for meeting the dephosphorization requirement of the forged workpiece with the deep hole, the equipment combines the technological process of the forged workpiece with the deep hole and a forge piece transferring method, the forge piece is clamped by the mechanical arm and the clamping jaw to complete the dephosphorization operation of the deep hole, and the working efficiency is improved. The special nozzle sprays high-pressure water columns for dephosphorization operation, the speed is high, the dephosphorization effect is good, and equipment parameters can be conveniently and flexibly adjusted according to process requirements.

The present invention provides an automotive casting and forging process, comprising the following steps: metal smelting, pouring, demolding, forging, and finished product. The present invention utilizes a casting mold to cast automotive parts. Through the design of a lower mold and a combined upper mold, after the casting solidifies, a first hydraulic cylinder drives the first and second upper molds to automatically demold, and then a casting and forging device forges the blank. The provision of a flipping mechanism allows the blank to be gripped by a clamping arm during forging, allowing for flipping and adjustment of the forging position and angle. The present invention integrates the casting and forging processes into a single device, reducing handling time between processes, significantly improving production efficiency, and increasing production safety.

The invention discloses an intelligent parameter self-adaptive control system and method for a hydraulic forging press. The method comprises the steps that the type of a forged piece is obtained; generating an initial forging parameter change curve according to the model of the forge piece; the hydraulic machine is controlled to forge the tested forge piece through the initial forging parameter change curve, the actual forging progress of the tested forge piece is collected, and forging parameters are adjusted; the initial forging parameter change curve is updated according to the adjusted forging parameters, and a forging parameter change curve is determined; controlling the hydraulic machine to forge the forge piece through the forging parameter change curve; and calculating a parameter difference score according to the real-time operation parameter set of the forging acquisition time frame, and updating the forging parameters corresponding to the forging acquisition time frame through the parameter difference score. By collecting the real-time forging data in the forging process, the forging parameters are automatically adjusted, and the forging production efficiency is improved.

The invention relates to a heat treatment process for EN26 shaft products, which combines the multi-step and large-section size shape of an EN26 shaft, takes the large step at the tail end as a symmetric base point before heat treatment, is designed according to the double-length size, and adopts the modes of low-temperature preheating, high-temperature normalizing, air cooling after normalizing and tempering after forging to effectively cut off the structure inheritance. The method solves the problem of mixed crystal or coarse crystal grains caused by non-equilibrium structures due to weaving inheritance, promotes pearlite with small interlamellar spacing to be converted into austenite structures through a rapid heating and repeated austenitizing mode, improves the nucleation rate so as to achieve the effect of refining the grain size, and improves the grain size through reasonable quenching cooling strength. According to the method, the structural transformation from high-temperature austenite to martensite is guaranteed, the risk of product cracking caused by overlarge thermal stress and structural stress is avoided, the overall stability of a forge piece is guaranteed through high-temperature tempering, the strength, plasticity, toughness and hardness are well matched, the overall quality and production efficiency of the EN26 shaft produced through the method are improved, and the production cost is reduced. And after finish machining, single-length sawing and delivery are carried out.

The invention discloses a forging and quenching integrated forming process for an aluminum alloy die forging, and relates to the technical field of aluminum alloy machining, the forging and quenching integrated forming process integrates independent forging heating and quenching heating links into single gradient preheating and die real-time temperature control through the forging and quenching integrated forming technology, and energy waste caused by secondary heating after forging is thoroughly abandoned. In the step S100, the solid solution temperature interval of 500-520 DEG C of a blank core is controlled through induction heating, the temperature of the surface layer is lower than that of the core to form a thermal gradient, high plasticity of core metal is guaranteed, surface layer oxidation loss is reduced, in the step S300, the cooling rate is accurately controlled through the 120-300 DEG C temperature difference design of an upper die and a lower die of a die and the adhesion characteristic of a forge piece in the demolding process, and the temperature difference of the upper die and the lower die of the die is reduced. Demolding damage and subsequent correction procedures caused by mold sticking are avoided, a top-speed quenching transfer technology smaller than or equal to 5 s in the step S400 is matched, the economical efficiency of large-scale production is remarkably improved, and the method is particularly suitable for large-scale mass production scenes.