54results about How to "High material utilization" patented technology

A composite material combined layer wall plate structure suitable for combined connection of wings comprises a main box section skin and a plurality of reinforcing ribs which are integrally cured and formed, the front edge and the rear edge of the main box section skin are sequentially provided with recesses, and a front sunken edge for lap joint of the front edge skin and a rear sunken edge for lap joint of the rear edge skin are formed; a front beam reinforcing rib used for being connected with a front spar web is fixedly arranged at the bottom of the transition area of the front sunken edge and the main box section skin body, and a rear beam reinforcing rib used for being connected with a rear spar web is fixedly arranged at the bottom of the transition area of the rear sunken edge and the main box section skin body. The connecting mode of the wall plate and a related structure is simplified, the number of parts is reduced, the assembling efficiency can be improved, and dismounting, replacing and maintaining of an airplane in the using and maintaining process are facilitated.

The invention relates to the field of silicon steel sheet processing, in particular to an EI type silicon steel sheet production process and production equipment. The EI type silicon steel sheet production process comprises the steps that S1, longitudinal shearing is conducted, specifically, a raw material steel belt is longitudinally cut into a product steel belt with the set width, and the product steel belt is wound into a coil; and S2, punching the silicon steel sheets: utilizing a product steel belt with the width consistent with the total length of the EI-type silicon steel sheet to perform one-time punching on a single station to obtain an E-shaped silicon steel sheet and an I-shaped silicon steel sheet. The EI type silicon steel sheet production equipment comprises a longitudinal shearing and distributing unit and an EI type silicon steel sheet punching and shearing unit, the longitudinal shearing and distributing unit comprises an uncoiling machine, a feeding machine table, a longitudinal shearing machine, a receiving and leveling machine and a coiling machine, and the EI type silicon steel sheet punching and shearing unit comprises a coiling frame, a steel belt leveling machine and a silicon steel sheet punching and cutting machine. A plurality of product steel strips with straight edges are arranged, and the E-shaped silicon steel sheet and the I-shaped silicon steel sheet are obtained by punching the product steel strips on a single station at a time, so that the machining precision of the E-shaped silicon steel sheet and the I-shaped silicon steel sheet is improved.

The invention relates to a 3D printing composite positive pole piece, a preparation method thereof and a solid-state battery, the 3D printing composite positive pole piece comprises 90-97wt% of a positive active material, 10-15wt% of a conductive agent, 10-15wt% of a binder, 10-15wt% of a plasticizer and 10-15wt% of a polymer monomer; the proportion of the conductive agent is 1 to 3.5 weight percent; the plasticizer accounts for 0 to 1.5 wt%; the binder accounts for 1 to 5 weight percent; the proportion of the polymer monomer is 1 to 5 weight percent. The method has the advantages that the raw materials are printed on the positive electrode current collector in a 3D printing mode, the printed electrode has high integration and high material utilization rate, compared with a coating mode, the battery manufacturing time and cost can be effectively reduced, monomers in the electrode and an electrolyte precursor solution are polymerized, the combination degree between the solid electrolyte and the electrode is improved, and the battery performance is improved. And electrode / solid electrolyte integration is realized, so that the interface impedance between the electrolyte and the electrode is reduced, the lithium ion interface transmission is accelerated, and the capacity exertion and rate capability of the positive electrode material are improved.

The invention discloses a nickel-based powder high-temperature alloy bar extrusion structure which comprises an end cover, a powder high-temperature alloy ingot and a base, the powder high-temperature alloy ingot is located between the end cover and the base, the end cover is of a rotary body, the upper portion of the rotary body is of a chamfering structure, the lower portion of the rotary body is of a cylindrical structure, and an end cover through hole is formed in the center of the rotary body. An end cover through hole is formed in the middle of the end cover, and the diameter of the end cover through hole is 50-120mm; the assembling positions of the end cover and the powder high-temperature alloy ingot are connected in a segmented welding mode in the circumferential direction, and the welding positions are wrapped with high-temperature-resistant fiber blankets. The invention further discloses an extrusion method of the nickel-based powder high-temperature alloy bar extrusion structure. The technical problem that the surface of the powder high-temperature alloy bar cracks is solved, and the utilization rate of the powder alloy bar is increased.

The invention discloses a high-temperature wear-resistant self-lubricating boron-doped diamond coating as well as a preparation method and application thereof, and belongs to the technical field of coating materials. The boron-doped diamond coating comprises a Cr base layer, a CrxByCz gradient transition layer and a B-DLC functional layer which are deposited on the surface of a substrate, the thickness of the Cr base layer is 0.15 [mu] m-0. 25 [mu] m, and the mass percent of Cr is 99.5%-99.99%; the thickness of the CrxByCz gradient transition layer is 0.05-0.10 [mu] m, the mass percentage of Cr is greater than 0 and less than or equal to 99.99%, and the mass percentage of B is greater than 0 and less than or equal to 8%; the thickness of the B-DLC functional layer is 0.8 mu m-2. 0mu m, and the mass percent of B is 3%-5%. The boron-doped diamond coating has the characteristics of high hardness, high toughness and low friction at the same time, and can show excellent self-lubrication and wear resistance in a high-temperature atmospheric environment of 400-500 DEG C.

The invention provides an electric arc additive manufacturing system and method based on discontinuous pulse cold welding. The system comprises a discontinuous pulse cold welding gun, a wire feeding guide pipe, a wire feeder and a multi-axis motion platform. The discontinuous pulse cold welding gun is connected with a wire feeder based on a wire feeding guide pipe and installed on the multi-axis motion platform. An electric arc welding wire and a discontinuous pulse cold welding gun are sequentially assembled from front to back; a tungsten electrode of the discontinuous pulse cold welding gun is connected with a negative electrode of the cold welding power source, and the titanium alloy welding wire is connected with a positive electrode of the cold welding power source. According to the method, through the discontinuous pulse cold welding technology, the titanium alloy structural part with the fine-grain weak texture characteristic can be formed in the electric arc additive manufacturing process through simple and convenient equipment and structure; the fine-grain weak texture structure can remarkably improve the strength, toughness and fatigue resistance of the titanium alloy, and has important significance in application of high-performance titanium alloy components in the fields of aerospace, weaponry and other major equipment.

The invention provides a wooden door three-dimensional model parameterization design and numerical control code generation method and system, and relates to the technical field of woodworking numerical control machining and computer vision. A multispectral imaging technology is adopted at a raw material feeding station to obtain a wood board surface multiband image, and a high-definition wood characteristic spectrum is generated through algorithm processing; establishing a mapping rule base of the atlas and numerical control parameters in combination with historical data; the map and the three-dimensional embossment model are superposed, and a tool path and cutting parameters are adaptively adjusted according to texture features to avoid defects and optimize along grains; and finally, numerical control codes matched with wood characteristics are generated, the rotating speed of the main shaft is adjusted according to the hardness, a numerical control machine tool is driven to complete high-precision wooden door machining, and precise numerical control machining based on wood surface characteristic intelligent recognition and self-adaptive adjustment can be achieved.

The utility model belongs to the technical field of automobile rubber pad cutting, and particularly relates to an adjustable automobile rubber pad cutting device, which aims at solving the problems of poor adjustability and insufficient cutting stability of the cutting device in the background technology, and adopts the scheme that the adjustable automobile rubber pad cutting device comprises a cutting table, and the outer wall of the top of the cutting table is fixedly connected with a cutting mold through a screw; a supporting frame is welded to the side, located on the cutting mold, of the top outer wall of the cutting table. According to the multi-angle cutting device, flexible adjustment of the cutting angle and position is achieved through a transmission structure integrating air cylinder driving, gears and racks, multi-angle cutting can be completed without replacing a die, adjustment time is shortened, production efficiency is improved, and through the adaptive design of the beveling groove and the cutter and the synergistic effect of the guide roller and the base plate, the production efficiency is improved. The cutting precision and the material utilization rate are greatly improved, the size of the beveling groove is matched with that of the cutter, and it is guaranteed that notches cut every time are neat and consistent in depth.

This invention belongs to the field of material hot working, specifically relating to a forming method for a titanium alloy die forging with a bossed arc frame. The method includes: flattening a bar stock cut to specifications along its length onto a slab using a free forging hammer; then pressing and shaping one end of the slab longitudinally to a specified size; heating the slab in an electric furnace, then placing it upright into a dedicated forging blank die, eccentrically pressing the portion exposed outside the die, causing the eccentrically pressed portion of the bar stock to flow laterally to form a boss, thus obtaining a first intermediate blank; elongating the first intermediate blank, placing one end into the dedicated forging blank die to a specified size, and shaping it as a whole to obtain a second intermediate blank; and gradually pressing and bending the thin rod of the second intermediate blank using an anvil to obtain a rough shape of a sickle frame similar in shape and volume to the final forging.

The application discloses a high-density additive manufacturing blank and a density improvement method thereof, and relates to the technical field of additive manufacturing, which comprises the following steps: accurately positioning the spatial position of a through-hole on the surface of the blank by using nondestructive testing technology such as industrial CT, then adopting the same additive manufacturing material to perform vacuum repair welding and plugging, constructing a densification pretreatment layer, and finally performing hot isostatic pressing treatment to realize the complete closure of all types of pores (including through-holes and closed pores) in the blank. The application greatly improves the final density of the additive manufacturing blank by using the above method, and a high-performance dense component is obtained.

This utility model discloses a valve manufacturing mold, including a first mold, a second mold, and a third mold. The first mold includes two first half-molds and a first mold core, which together form a first mold cavity. The two first half-molds have first injection tubes. The second mold includes two second half-molds and a second mold core, which together form a second mold cavity. The two second half-molds have second injection tubes. The third mold includes two third half-molds and a third mold core, which together form a third mold cavity. The two third half-molds have third injection tubes. This utility model has a reasonable structural layout, and its overall structure can accurately replicate the complex internal morphology of valves, such as irregular flow channels. It can meet the performance requirements of valves as core components of fluid control systems without subsequent processing, achieving simultaneous improvement in production efficiency, material utilization, and finished product quality.

The invention provides a 3D printing method and a 3D printer. The method comprises the following steps: generating an initial printing path, dividing the initial printing path into a plurality of discrete deposition sections, and controlling a printing nozzle to sequentially perform material deposition according to each discrete deposition section; in the printing process, when a printing parameter change request is received, structure state data of a printed structure are obtained, and corresponding geometric state parameters are determined; target printing parameters are determined based on the current printing parameters and the printing parameter change request, and structural stability parameters of the next deposition layer are determined in combination with the printing material characteristic parameters and the geometric state parameters; and when the structural stability parameter meets the structural stability constraint condition, re-planning the printing path which is not executed, otherwise, maintaining the current printing path or generating a structural compensation deposition path to continue printing. Structural stability judgment can be conducted on printing parameter changes in the printing process, dynamic adjustment of the printing path is achieved, and the stability of the printing structure and the printing success rate are improved.

The utility model discloses a water heater applying an enamel spraying process and an inner container of the water heater, the inner container comprises a cylinder body, a first end cover and a second end cover, the first end cover and the second end cover are arranged at the two ends of the cylinder body, the first end cover and the second end cover are respectively connected with the cylinder body, and the first end cover and the second end cover protrude towards the direction far away from the cylinder body; the first end cover is provided with at least one mounting hole for assembling a functional part; an open hole is formed in the second end cover, and the open hole is used for allowing enamel spraying equipment to stretch into the inner container in the inner container manufacturing process so as to conduct enamel spraying treatment on the inner surface of the inner container; a plugging piece fixedly connected with the open hole is arranged at the open hole; the inner surface of the inner container is provided with an enamel coating, and the enamel coating is formed through enamel spraying treatment. The material utilization rate of the inner container can be effectively increased, the cost is reduced, and for the inner container with the preset length and section size, the volume of the inner container can be increased; or for the inner container with the preset volume and section size, the length of the inner container can be shortened, and the use reliability is high.

The application relates to the technical field of concrete structure repairing and reinforcing, and discloses a low-carbon geopolymer and small-diameter FRP bar collaborative embedded reinforcing method. The method is characterized in that a groove is formed in the bottom protective layer of a concrete flexural member, a geopolymer mortar containing slag, fly ash, silica fume and multi-grade quartz sand is used, and a small-diameter FRP bar with a diameter of 0.5-1.5 mm is used, and the embedded reinforcing is completed through the steps of alcohol groove cleaning, groove wall wetting, layered pouring, vibration and water-retaining maintenance. According to the application, the interface bonding stability, the anti-peeling capacity, the bearing capacity and the durability can be improved under the condition that the original member section and the self weight are slightly changed.

The invention relates to a modularized steel structure force-bearing adjustable support and an application method thereof. The modularized steel structure force-bearing adjustable support comprises a tension-compression conversion mechanism, a fixed constraint piece, a first core plate and a second core plate. The first ends of the first core board and the second core board in the length direction are connected with the tension-compression conversion mechanism, and the second ends of the first core board and the second core board in the length direction are fixedly connected with the fixing restraining pieces. When the support is pulled or pressed, the pulling and pressing conversion mechanism can drive the first core plate and the second core plate to move oppositely in the first direction, one of the first core plate and the second core plate is pulled, and the other one is pressed. Parts of the core plates yield to dissipate energy for earthquakes, energy dissipation under the action of large earthquakes is facilitated, and the other parts of the core plates are pressed to be bent, so that the bearing capacity of the core plates is rapidly reduced, and the overall bearing capacity is degraded. Meanwhile, the effective length of the core board can be adjusted through the distance between the two sets of jacking pieces in the first direction, and therefore the bearing capacity of the core board can be adjusted independently of the rigidity.

The utility model discloses a traditional Chinese medicine decoction piece cutting device with precise thickness regulation and control, and relates to the technical field of traditional Chinese medicine decoction piece cutting and processing, a transmission part of the device is composed of a transmission disc, an adjusting screw rod, a sliding block and a ratchet wheel assembly, and the swing amplitude of a transmission connecting rod is changed by adjusting the position of the sliding block. Therefore, the moving distance of the transmission belt is accurately regulated and controlled, and the feeding amount of the decoction pieces is further regulated. According to the cutting part, accurate adjustment of a cutting knife is achieved through a cutting disc, a cutting screw and a cutting sliding block, the position of the sliding block can be changed by rotating the cutting screw, and the cutting amplitude is adjusted. The power part is powered by a power motor and a power transmission wheel to drive equipment to operate. Through precise adjustment in the two aspects, cutting of decoction pieces with different thickness requirements can be achieved, the cutting amplitude can be flexibly adjusted according to the diameters of the decoction pieces, the proportion of thick pieces, thin pieces and fragments is reduced, and the material utilization rate and the quality of the decoction pieces are improved.

The invention relates to a circumferential quasi-isotropic composite material membrane disc and a preparation method thereof.The composite material membrane disc comprises a center through hole and an annular area concentric with the center through hole, and an inner connecting hole reinforcing area concentric with the center through hole is arranged on the inner side of the annular area; an outer connecting hole reinforcing area concentric with the central through hole is arranged on the outer side of the annular area; the composite material membrane disc is obtained through hot press molding of composite material layers, the layer laying mode is # imgabs0 #, the layer laying number of the annular area is N0, the deflection angle of the next layer in every two adjacent layers of composite materials in the same direction is alpha compared with the deflection angle of the previous layer in the same direction, the laying frequency of each layer of composite materials is beta, only half of the # imgabs1 # symmetrical layer is written, and only half of the # imgabs1 # symmetrical layer is written. And the parentheses and subscripts s represent symmetry. Compared with the prior art, the method has the advantages that compared with a traditional orthogonal laying scheme, the method can better fit the loaded working condition of a product, the stress level of a membrane disc can be reduced, and the utilization rate of a fiber material is increased.

The invention discloses a stamping method, device and equipment for a hood inner plate integrated with a hood reinforcing plate. The stamping method comprises the steps that the hood reinforcing plate and the hood inner plate which are integrally connected are obtained; the edge, closest to the to-be-cut part of the hood inner plate, of the hood reinforcing plate is integrally connected to the front windshield side of the hood inner plate to form a zero-distance connection section. A cut-off tool is controlled to stamp and separate the hood reinforcing plate and the hood inner plate; wherein the cut-off tool completely falls on the hood reinforcing plate in the stamping separation process, and the cut edge of the to-be-cut part deforms to a first transition form in the target direction while the cut-off tool and the hood reinforcing plate are stamped and separated; shaping the separated hood inner plate and hood reinforcing plate; wherein the hood reinforcing plate continuously deforms to the target form from the first transition form to the target direction. According to the scheme, compared with the original mode that two parts are independently manufactured, the material utilization rate can be increased, the two parts are both produced in the field, the material cost, the transportation cost and the loss cost caused by external manufacturing of the hood reinforcing plate are saved, and then the bicycle manufacturing cost is reduced.

The invention discloses a torsion self-resetting damper and a mounting method thereof, the torsion self-resetting damper comprises a shell, the shell is provided with an external connecting plate, the external connecting plate is sequentially provided with a connecting part, a torsion energy dissipation part and a self-resetting part along the length direction, the connecting part is connected with a building structural member, and the self-resetting part is connected with the torsion energy dissipation part. Racks are arranged on the upper face or / and the lower face of the torsion energy dissipation part, and reset curved faces are arranged on the upper face or / and the lower face of the self-reset part. A torsion energy consumption device matched with the torsion energy consumption part and a self-resetting device matched with the resetting curved surface are mounted in the shell; according to the torsion damper, the torsion angle of the bar is amplified through the gear, the torsion energy dissipation device and the self-resetting device are arranged, so that the energy dissipation capacity of the torsion bar can be fully exerted under small displacement of the torsion damper, and meanwhile residual deformation of the structure is reduced through the self-resetting device.

The present application relates to a kind of friction stir welding methods, including stir head, the stir head includes shaft shoulder and stir needle, the stir needle is installed in the lower end of the shaft shoulder, the above-mentioned friction stir welding method, by which the shaft shoulder diameter is 5.5mm and the stir needle length is 1.4mm stir head is designed, and welding is carried out using the rotational speed of 1500rpm and the welding speed of 200mm / s, can improve welding quality, production efficiency and material utilization.

The utility model discloses a charcoal guard plate forming die, which is used for forming a charcoal guard plate and comprises a male die, a base, a first female die, a second female die and a die core, the base is provided with a first annular groove, when the charcoal guard plate forming die is used, the second female die is clamped in the first annular groove, and the first female die and the die core are placed on the base to form a first space, a second space and a third space; the method comprises the following steps of: forming a space required for forming the carbon-carbon protective plate, adding a material required for manufacturing the carbon-carbon protective plate into the space, and pressurizing the male die, so that the male die, the first female die and the second female die extrude each other, and continuously closing the dies and demoulding to obtain the carbon-carbon protective plate. In the process, the carbon-carbon protective plate can be formed at a time, the used materials for manufacturing the carbon-carbon protective plate are greatly reduced, and the utilization rate of the materials for manufacturing the carbon-carbon protective plate is remarkably increased.

The utility model relates to laser cladding nozzle technical field, specifically disclose a height adjustable laser cladding nozzle, the height adjustable laser cladding nozzle at, it includes: nozzle body, hollow air cylinder, the hollow air cylinder sets up in the nozzle body top and is connected with the nozzle body, the hollow air cylinder's axis place is provided with the hollow passage that penetrates the hollow air cylinder, the axis of the hollow passage coincides with the axis of the nozzle body. The utility model has through hollow air cylinder and laser cladding nozzle coaxial arrangement and realizes nozzle vertical adjustment, has obviously promoted the adaptability, the adjustment accuracy and the efficiency of laser cladding nozzle to complex processing surface, has guaranteed laser and the coaxial coupling effect of powder simultaneously, has improved the homogeneity and the quality of laser cladding layer's advantage.

The present invention relates to the field of injection molding machines, and discloses a movable mold plate structure for a multi-component injection molding machine, the movable mold plate structure comprises a movable mold plate (1), the rear end surface of the movable mold plate (1) is provided with concave cavities (2) at the two sides, the upper and lower ends of the concave cavities (2) are provided with connecting rod frames (3), a pulling plate (4) is arranged between the two connecting rod frames (3), and the middle part of the plate surface of the pulling plate (4) is provided with a gap (5). According to the movable mold plate structure for the multi-component injection molding machine, the pulling plate (4) connected between the two connecting rod frames (3) can improve the overall rigidity of the movable mold plate (1), through the concave cavity (2) and the notch (5) in the middle of the pulling plate (4), the rigidity of the movable mold plate (1) can be guaranteed, the weight of the movable mold plate (1) can be reduced, and therefore the utilization rate of materials for manufacturing the movable mold plate (1) is improved, and the production cost is reduced.

This utility model relates to the technical field of plastic processing and cutting equipment, and in particular to a fixed-point cutting equipment for plastic product processing. It includes a platform, a sheet material rack, a connecting frame, an adjusting toothed plate, an adjusting shaft, a spiral spring, an adjusting gear, a discharge rack, a contact plate, a collection box, a guide assembly, a transverse moving assembly, a sliding assembly, a cutting assembly, and a longitudinal moving assembly. A sheet material rack is located above the guide assembly. An adjusting shaft is located on the inner wall of the other side of the platform. A discharge rack is located on the side wall of the adjusting shaft. A contact plate is located inside the discharge rack. Two sets of spiral springs are located at both ends of the adjusting shaft. An adjusting gear is located on the side wall of one end of the adjusting shaft. A connecting frame is located at one end of the transverse moving assembly, and an adjusting toothed plate is located at one end of the connecting frame. During use, the plastic processing and cutting equipment, through a series of precise mechanical transmission designs, achieves fixed-point cutting of leftover plastic sheet material and automatic recycling of leftover material, greatly improving processing efficiency and material utilization.

The utility model relates to the technical field of riveting, in particular to an aluminum bolt for self-piercing riveting of an aluminum sheet metal, which comprises an aluminum bolt body, a reinforcing mechanism is arranged at the lower end of the aluminum bolt body and comprises a step table, trapezoidal teeth and a groove, the step table is positioned on the circumferential surface of the aluminum bolt body, and the step table and the aluminum bolt body are fixedly mounted. Each trapezoidal tooth is located on the circumferential surface of the stepped table, each trapezoidal tooth and the stepped table are fixedly installed, a groove is formed between every two trapezoidal teeth, the trapezoidal teeth are arranged on the surface of the stepped table in a circular array mode, the stepped table is partially exposed below the trapezoidal teeth, a polished rod is arranged on the aluminum bolt body, and threads are arranged on the circumferential surface of the polished rod. A matching mechanism is arranged at the lower end of the aluminum bolt body and comprises a riveting die, a cutting boss is arranged at the upper end of the riveting die, a sheet metal part is arranged at the upper end of the cutting boss, and the strength of each trapezoidal tooth can be improved by arranging the trapezoidal teeth on the stepped table and adopting a cold heading machining mode.

The invention discloses an aircraft tire bead buffering structure resistant to super-large deformation and a preparation method of the aircraft tire bead buffering structure. The tire bead buffering structure comprises a steel wire ring, apex, tire bead core wrapping cloth and buffering rubber. The apex comprises a top end, a bottom, a first side wall and a second side wall, wherein the first side wall and the second side wall extend between the top end and the bottom. The bead core wrapping cloth surrounds the apex and the steel wire ring to form an integral structure, and the bead core wrapping cloth comprises a top area corresponding to the top end of the apex, a first area corresponding to the first side wall and a second area corresponding to the second side wall; the buffer rubber is arranged on the outer side of the bead core wrapping cloth and covers the top area, at least part of the first area and at least part of the second area. According to the characteristics and performance requirements of the aircraft tire bead structure, the position, the size structure, the material performance and the like of the buffer rubber are optimized, and the anti-shearing capacity and the overall durability of the tire bead structure and the aircraft tire under the condition of oversized deformation are comprehensively improved.

This invention relates to a ground tensioning and anchoring system and method for cable-stayed arch bridges. The system includes a ground anchor, a tensioning and anchoring beam, a sliding component, and a limiting component. The tensioning and anchoring beam is slidably connected to the ground anchor via the sliding component. The limiting component connects the ground anchor and the tensioning and anchoring beam, and limits the maximum sliding position of the tensioning and anchoring beam. During tensioning, the reaction force of the shear force on the cable forces the tensioning and anchoring beam to slide along the sliding component. That is, the angle of the tensioning and anchoring beam is adaptively and finely adjusted with the cable, ensuring that the cable is perpendicular to the anchoring end and only subjected to axial force. The limiting component restricts the maximum sliding position of the tensioning and anchoring beam, ensuring effective connection between the tensioning and anchoring beam and the ground anchor, preventing the tensioning and anchoring system from failing. This invention eliminates the need for a separate dedicated tensioning and anchoring system. The tensioning and anchoring beam, sliding component, and limiting component can be reused, improving versatility and material utilization, simplifying construction, and ensuring construction quality.

The invention discloses a method for compositely manufacturing an aluminum alloy butt joint ring through additive forging, and belongs to the field of forging. The invention aims to solve the problems that the material utilization rate of the butt joint ring produced in the existing machining and welding mode is low, the overall bearing limit of a welding seam at the joint of a guide petal and a guide ring is reduced, and precise milling equipment is needed due to the complex shape of the guide petal. The method comprises: 1, forge piece shape design; 2, forging stock shape design; 3, forging and forming; and fourthly, the remaining butt joint ring guide rings are added. The method is used for compositely manufacturing the aluminum alloy butt joint ring through additive forging.

The invention provides a forging tool of a skirt edge cylinder for a pressure container and an integral forming method of the skirt edge cylinder. The forging tool comprises a bottom gasket, an inner die, a lower outer die and an upper outer die. By means of the forging tool and the integral forming method, integral forming of the skirt edge cylinder can be achieved, the size precision of the skirt edge position of the cylinder is high, the machining amount is small, the material utilization rate is increased, the skirt edge position is integrally formed, the metal streamline is matched with the appearance structure, the fatigue life of the structure can be effectively prolonged, and the anti-pressure capacity of the structure can be effectively improved.

A kind of high-strength aluminum alloy special-shaped shell member hot straightening device and preparation method, steps: calculate the size of aluminum alloy raw material bar, carry out blanking;Preheated blank is carried out single die forging extrusion near net forming, after forging rapid cooling;Solution treatment and cryogenic treatment;After cryogenic treatment, special-shaped shell member is carried out precision hot straightening, carries out aging treatment.The hot straightening device is mainly composed of low-expansion high-thermal-conductivity high-silicon aluminum-based composite material mold, micron-sized high-silicon aluminum alloy filling particles, heating tooling and ultrasonic generator, the solid-phase particles in the shell are under the combined action of thermal field and ultrasonic field, realize the precision hot straightening of aluminum alloy shell near final size.The present application adopts the composite heat treatment method of forging rapid cooling-solution quenching-cryogenic treatment-precision hot straightening+aging strengthening treatment, effectively improves the mechanical properties and dimensional stability of aluminum alloy special-shaped shell member, has the advantages of high component bearing capacity, high material utilization rate, low cost, strong equipment versatility and the like.