246results about How to "Strong resistance" patented technology

The invention discloses a multi-stage cutting device applied to tempered glass and an operation method of the multi-stage cutting device, and relates to the technical field of tempered glass cutting, the multi-stage cutting device comprises a tempered glass fixing mechanism and a clamping support installed at the top of the tempered glass fixing mechanism, and a pressing and cutting mechanism is arranged at the top of the tempered glass fixing mechanism; the tempered glass fixing mechanism comprises a pressing and cutting mechanism, cutting equipment is arranged in the pressing and cutting mechanism, the tempered glass fixing mechanism comprises a cutting workbench, an ejection groove is formed in the center of the interior of the cutting workbench, and a scrap collecting box is fixedly installed at the position, close to the bottom of the ejection groove, of the cutting workbench. According to the glass cutting device, by means of the gravity of glass and the downward pressure of the top pressing cutting mechanism, an ejector plate drives a vertical limiting block and a vertical rack to descend, a horizontal rack drives a horizontal limiting block and a clamping support to move relatively, the glass is cut, and the glass is cut off. And the two sides of the glass can be clamped and fixed through the clamping plates.

The invention discloses a UV-curable battery core insulating paint and a preparation method thereof, and belongs to the technical field of photocureable paints. The UV-curable battery core insulating paint comprises urethane acrylate, self-made vinyl ether modified urethane acrylate, epoxy acrylate, an acrylate monomer, mercaptan, a coupling agent, color paste, a photoinitiator and a leveling agent. The preparation method comprises the following steps: mixing the polyurethane acrylate, the epoxy acrylate, the acrylate monomer and the mercaptan, stirring at normal temperature for 60-120 minutes, adding the coupling agent, the color paste and the flatting agent, stirring at a high speed for 1-3 hours, adding the photoinitiator in a dark place, and stirring for 20-60 minutes to obtain the UV battery core insulating paint. The diluting capacity and the chemical resistance are considered, and the insufficient performance of matrix resin is supplemented; the combination of a photo-initiation system ensures efficient and rapid curing, adaptability to each light source and effective resistance to oxygen inhibition.

The invention discloses an improved sliding-mode active-disturbance-rejection control method for a two-stage energy storage converter, and the method comprises the steps: firstly, building a mathematical model of the energy storage converter in a three-phase static coordinate system, converting the mathematical model into a d-q rotating coordinate system, converting the mathematical model into a second-order active-disturbance-rejection normal form on the basis, and then carrying out the design of a super-spiral expansion state observer. In order to reduce system buffeting, a discontinuous switching item sign function in the super-spiral expansion state observer is replaced by a hyperbola function; secondly, a variable gain function which can change in real time along with observation errors is designed to replace the linear gain of ST-ESO, so that the disturbance observation capability is improved; and then, a superhelix integral terminal sliding mode is introduced as a feedback controller, so that the control precision and the convergence speed of the system are improved, and the robustness of the system is better improved.

The invention relates to the technical field of composite boards, and discloses a scratch-resistant PE composite board and a preparation method thereof. The PE composite board is prepared by taking high-molecular-weight polyethylene, low-density polyethylene and medium-density polyethylene as main raw materials, adding functional aids such as a reinforcing filler, a modified polyurethane elastomer and molybdenum disulfide, and carrying out processes such as banburying, hot press molding and cold press molding. Due to the addition of the reinforcing filler, the mechanical property and the surface hardness of the matrix are improved, and the scratch resistance is further improved; the modified polyurethane elastomer is introduced into the matrix as a toughening component, so that not only is the toughness of the matrix improved, but also the scratch resistance of the matrix is improved; due to introduction of molybdenum disulfide, the unique layered structure of molybdenum disulfide can be utilized, the friction coefficient of the matrix is reduced, and then the scratch resistance of the matrix is improved.

The invention discloses a co-culture method of gastric cancer organoid and gastric cancer-related myofibroblast and application of the co-culture method, gastric cancer organoid single-cell suspension and gastric cancer-related myofibroblast single-cell suspension are mixed according to the number ratio of 1: 1, then matrigel is added, after uniform mixing, the mixture is put into a CO2 cell incubator to solidify the matrigel, and the gastric cancer-related myofibroblast co-culture medium is obtained. The co-cultured gastric cancer organoid is faster in growth speed and stronger in resistance to chemotherapeutic drugs, the drug resistance of tumor cells in the body of a gastric cancer patient to the chemotherapeutic drugs is better simulated, and the co-cultured gastric cancer organoid can become a screening platform of individualized therapeutic drugs for tumor patients.

The embodiment of the invention provides an oscillation suppression method for merging a grid-forming type PMSG wind power system into a weak power grid, and the method comprises the steps: building a Phillips-Heffron-like model of an active-frequency link of the grid-forming type PMSG wind power system, analyzing the influence of key parameters in a closed-loop transfer function of the system on a subsynchronous oscillation mode, and combining a quantum particle swarm optimization algorithm, thereby achieving the suppression of the subsynchronous oscillation of the grid-forming type PMSG wind power system. An additional damping controller is used, subsynchronous oscillation is suppressed by maximizing the total damping coefficient of a system, and the method comprises the steps of obtaining basic parameters and weak power grid data of the system, establishing a model and analyzing the model, collecting real-time data and recognizing abnormity, and optimizing control parameters through fault data and a quantum particle swarm optimization algorithm. And monitoring and optimizing the execution effect of the additional damping controller. According to the invention, the stability and the grid-connected capability of the grid-forming type PMSG wind power system in a weak power grid environment are effectively improved.

The invention relates to the technical field of biological genes, in particular to a rice herbicide-resistant OsEPSPS mutant gene, a protein and application thereof. The rice herbicide-resistant OsEPSPS mutant gene provided by the invention is characterized in that the 836th site of the nucleotide sequence of a wild rice OsEPSPS gene is mutated, and T is mutated into C. A plant containing the rice herbicide-resistant OsEPSPS mutant gene or the rice herbicide-resistant OsEPSPS mutant protein has remarkable resistance to glyphosate herbicide and can normally grow in the herbicide almost without being influenced, and under the same condition, the growth of a wild plant is remarkably inhibited until the wild plant dies, so that the rice herbicide-resistant OsEPSPS mutant gene or the rice herbicide-resistant OsEPSPS mutant protein has a good application prospect. The mutant gene and the mutant protein have huge market economic prospects.

The invention relates to the technical field of cables, and discloses a long-life photovoltaic cable which comprises a conductor, an insulating layer arranged outside the conductor and a sheath layer arranged outside the insulating layer, the conductor is formed by stranded tinned copper wires, the surface of each copper wire is covered with a layer of tin, and the sheath layer is arranged outside the insulating layer. Both the insulating layer and the sheath layer adopt a flame-retardant halogen-free polyolefin material with at least temperature resistance as a base material, the content of carbon black in the sheath layer is greater than%, and the materials of the insulating layer and the sheath layer are subjected to an irradiation crosslinking processing procedure. The invention aims to provide the long-life photovoltaic cable which is temperature-resistant, aging-resistant, acid and alkali-resistant, flame-retardant and excellent in ultraviolet-proof performance.

The invention discloses an RNA interference fragment combination for inhibiting sclerotinia sclerotiorum SsTOR gene expression, application and a method. The invention provides an RNA interference fragment combination. The RNA interference fragment combination contains at least one of a combination 1, a combination 2 and a combination 3. The nucleotide sequences of the RNA interference fragment in the combination 1 are as shown in SEQ ID NO: 1 and SEQ ID NO: 3; the nucleotide sequences of the RNA interference fragment in the combination 2 are as shown in SEQ ID NO: 5 and 6; the nucleotide sequences of the RNA interference fragment in the combination 3 are shown as SEQ ID NO: 8 and SEQ ID NO: 9. According to the method, the RNA interference fragment of the characteristic sequence of the target sclerotinia sclerotiorum TOR gene (SsTOR) is designed and is introduced into the genomes of arabidopsis thaliana and rape; in the sclerotinia sclerotiorum infection process, the expression of the SsTOR gene is inhibited, the infection process is blocked, and arabidopsis and rape varieties with strong sclerotinia rot resistance are obtained.

The invention relates to a gas-phase silicon-carbon negative electrode material of a porous carbon base material, which comprises the following steps: preparing porous starch, preparing a silicon / porous carbon composite material, preparing a micron porous Mg2Si negative electrode, preparing a nano porous silicon / carbon composite negative electrode, performing carbon coating by a porous silicon acetylene CVD (Chemical Vapor Deposition) method, and controllably preparing the gas-phase silicon-carbon negative electrode material of the porous carbon base material. The gas phase precipitation method and the alloying method are creatively combined, the prepared negative electrode material has higher specific capacity and energy density, rapid transmission of lithium ions is facilitated, the stability of an electrode structure is kept, and the negative electrode material has the advantages of being good in cycle performance, high in safety, high in energy density and the like.

The invention relates to a ganoderma lucidum beverage and a making process thereof, and belongs to the technical field of drinks, the making process comprises the following steps: uniformly mixing lactobacillus acidophilus and bifidobacterium bifidum to obtain a mixed bacteria solution; inoculating the mixed bacterial liquid into a culture medium for culturing, and then mixing with a lucid ganoderma extract to obtain a lucid ganoderma active substance; packaging the lucid ganoderma active substance with maltodextrin and beta-lactoglobulin to obtain a lucid ganoderma encapsulated substance; and mixing the ganoderma lucidum encapsulation material, a sweetening agent, a thickening agent and water, homogenizing, sterilizing, cooling and aseptically filling to obtain the ganoderma lucidum beverage. According to the technical scheme, the two probiotics are mixed according to a certain volume ratio, intestinal flora balance can be effectively adjusted, proliferation of bad microorganisms in the intestinal tract can be inhibited, the probiotics and the ganoderma lucidum extract are jointly packaged in a microcapsule system formed by the maltodextrin and the beta-lactoglobulin, the stability of the microcapsule is improved, and the preparation process is simple and convenient. And the prepared ganoderma lucidum beverage has relatively good mouth feel and flavor.

The invention relates to alpha-amylase, an alpha-amylase gene, an engineering bacterium for high yield of alpha-amylase and application of the engineering bacterium, and belongs to the technical field of biology and the technical field of enzyme engineering. According to the invention, an alpha-amylase gene is identified from a strain A8-1 with high starch hydrolysis activity, and the alpha-amylase coded by the alpha-amylase gene has the advantages of strong pH stability, wide temperature resistance range and strong resistance to organic solvents. Furthermore, by heterologous expression of the amylase gene in different hosts, a recombinant strain BAX-5 / PTamyy (A8-1) with the highest enzymatic activity is obtained, and the enzymatic activity of the recombinant strain is 156.1 U / mL. Finally, through signal peptide and promoter engineering, a recombinant strain BAX-5 / PTmy (A8-1) SP002 with the highest enzyme activity is obtained, and the enzyme activity reaches 205 U / mL.

The invention discloses an alkali-resistant, acid-resistant and resistance-resistant wire and cable protection tube, which comprises an external protection tube, a middle protection tube and an internal protection tube, and is characterized in that the external protection tube is prepared by the following steps: preparing 60-70% of UHMWPE (Ultra High Molecular Weight Polyethylene); 20%-30% of a glass fiber reinforced material; 5%-10% of a compatilizer; 1%-2% of an antioxidant; 1%-2% of a lubricant; the middle-layer protective tube comprises an acid-resistant protective tube and an alkali-resistant protective tube; the acid-resistant protective tube is prepared by the following steps: preparing the following components in percentage by weight: 60-70% of polyvinylidene fluoride (PVDF); 20%-30% of high density polyethylene (HDPE); 5%-10% of carbon fibers; 1%-2% of an antioxidant; and 1%-2% of a lubricant. According to the invention, the adaptive middle-layer protection tube can be selected according to the pH value of a region, the cable can be stably used for a long time in different acid-base environments, wires and cables are effectively protected from corrosion, and the internal protection tube has strong resistance performance.

The invention relates to the technical field of wire conductive cloth wrapping equipment, in particular to a wire conductive cloth wrapping device. Comprising a rack, two tensioning assemblies capable of straightening a wire rod from the two ends of the wire rod respectively are installed on the rack, and cloth wrapping assemblies are arranged on the upper side and the lower side of the wire rod; the cloth wrapping assembly comprises a pressing plate which can get close to and make the conductive cloth abut against one side face of the wire, and the pressing plate is provided with an air nozzle which can make the horizontal conductive cloth located outside the wire bent towards the other side in a blowing mode. A roller which can be close to the bent part of the conductive cloth is arranged beside the pressing plate; the roller can roll the bent conductive cloth on the other side surface of the wire rod and enable the conductive cloth outside the wire rod to be in a horizontal state again; and the two groups of cloth wrapping assemblies are alternately matched with each other so as to wrap the conductive cloth on the flat wire rod circle by circle.

A flute formed by a carbon fiber composite material belongs to tubular musical instruments and is provided with a cylindrical tube body, the tube body is provided with holes, the cylindrical tube body is composed of a fiber cloth inner layer, a fiber-reinforced main body layer, a fiber cloth outer layer and a surface paint layer from inside to outside in sequence, the fiber cloth inner layer and the fiber cloth outer layer are made of 3K and 330g / m < 2 > twill-woven carbon fiber prepreg cloth, and the surface paint layer is made of a surface paint layer. The fiber-reinforced main body layer is a prepreg formed by mixing fibers and resin according to a set proportion, the fibers are carbon fibers, the resin is epoxy resin, the weight ratio of the carbon fibers to the epoxy resin is 50-70: 50-30, and the length-diameter ratio of the cylindrical tube body is (30-45): 1. The raw materials are easy to obtain, the production efficiency is improved, the finished product has higher stability and durability, and constancy of the shape and the tone quality in long-term use is ensured.

The invention relates to the technical field of soft manipulators, in particular to a flexible optical waveguide soft manipulator for underwater application, a die and a manufacturing method. The flexible optical waveguide soft hand comprises a soft actuator body, a connecting seat and a flexible optical waveguide sensor, a soft hand cabin is arranged in the soft actuator body, and the soft actuator body can be bent after the soft hand cabin is inflated or filled with liquid; two flexible optical waveguide sensors are arranged on the two sides of the soft actuator body respectively and used for sensing bending of the soft actuator body. The connecting base is arranged at the rear end of the soft actuator body and used for being connected with external equipment. The flexible optical waveguide soft hand can sense the bending of the fingers, and the efficiency of the soft hand for executing an operation task in an underwater complex environment is improved.

The invention provides an application of a Brawtella strain in regulation of intestinal flora and prevention and treatment of Parkinson's disease. The invention also provides application of the strain in preparation of probiotic preparations and preparation of drugs for preventing and treating Parkinson's disease, and the strain can change intestinal flora and influence the function of a central nervous system through an'intestine-brain axis' so as to treat and prevent Parkinson's disease.

The invention discloses a preparation method of anti-skid rubber biomass modified three-layer gum dipping anti-chemical coating gloves. The preparation method comprises the following steps: S1, preparing a resin dispersion liquid of a mixed fiber composite material; s2, preparing composite latex; s3, sleeving the glove core on the hand mold, and carrying out preheating treatment; s4, the glove core subjected to preheating treatment is soaked in a coagulating agent; s5, dipping a first layer of composite latex; s6, performing vulcanization treatment for the first time; s7, dipping a second layer of composite latex; s8, carrying out secondary vulcanization treatment; s9, dipping a third layer of composite latex; s10, performing high-temperature vulcanization treatment for the third time; and S11, demolding is conducted, and the anti-skid rubber biomass modified three-layer gum dipping anti-chemical coating glove is prepared. The method has the advantages that on the premise that the original chemical defense performance standard of the butyronitrile gloves is reserved, the EVA resin and the biomass fibers are added to prepare the resin dispersion liquid of the mixed fiber composite material, the problem of rubber slipping is solved, and the chemical defense performance is improved.

A self-balancing illumination module is used for generating illumination light distribution and comprises a supporting base, a motor, a radiator, a PCB, a light source, an optical piece, a shading support, a first support and a lens, one end of the motor is fastened to the supporting base, the self-balancing illumination module further comprises a light type baffle and a baffle support, the light type baffle is located between the baffle support and the lens, and the light type baffle is located between the first support and the lens. The light type baffle is hinged to or fixedly connected with one end of the baffle support, and the other end of the baffle support is fixedly connected with an output shaft of the motor, so that the light type baffle rotates around the central optical axis of the lens, and illumination light distribution is changed. According to the scheme, the light type baffle needing to be driven is light in weight, so that a smaller driving source can be used. In addition, the light type baffle is a small part, so that the light type baffle does not shake greatly in the movement process, the operation of changing the light distribution direction can be conducted very stably, and the light distribution direction can be changed.

The invention relates to the field of finish paint, in particular to chemical-resistant electroplating finish paint as well as a preparation method and application thereof. The chemical-resistant electroplating finish paint is prepared from the following raw materials in parts by mass: 30 to 50 parts of modified acrylate, 15 to 30 parts of epoxy resin, 5 to 10 parts of modified particles, 3 to 6 parts of photoinitiator, 2 to 3 parts of flatting agent, 0.5 to 1 part of defoaming agent, 3 to 10 parts of pigment and 20 to 40 parts of solvent. The finally prepared electroplating finish paint not only has excellent durability and chemical resistance, but also can be further improved in water resistance, aging resistance and mechanical properties, so that the performance requirements of the existing electroplating finish paint are effectively met, and the electroplating finish paint can be effectively applied to the field of cosmetic packaging and has wide application prospects. And meanwhile, the resistance to chemical substances (such as perfume, emulsion and the like) is also effectively improved, and the product has a very excellent application prospect.

The invention relates to a large-displacement tensile device and a design method. The tensile device comprises a self-adaptive base, a tensile cable group, a first seat plate and a second seat plate, the self-adaptive base comprises a first tensile base, a second tensile base, a spring base and a self-adaptive spring; the first tensile base is arranged on the first seat plate; one end of the self-adaptive spring is connected with the first tensile base, and the other end of the self-adaptive spring is connected with the spring base; the second tensile base is connected with the second seat plate; and the tensile cable group penetrates through the first tensile base and the second tensile base to form a closed loop. Compared with the prior art, the tensile device can provide good vertical tensile capacity for the support in a limited space of an existing support system, and has the characteristics of multi-directional horizontal large-displacement adaptability, good fatigue resistance and stable and reliable mechanical property.

The utility model relates to the technical field of automobile sunroofs, and discloses sunroof glass with a built-in starry sky film, which comprises a sunroof glass main body, two PU (polyurethane) layers are arranged at the bottom of the sunroof glass main body, a light-superconducting PC (polycarbonate) film material is arranged between the two PU layers, and ultra-white glass is arranged at the bottom of the PU layer below the sunroof glass main body. RGB light bars are arranged on the left side and the right side of the light superconducting PC film material respectively. According to the sunroof glass, the RGB light bar is started to work to irradiate the patterns printed on the light-superconducting PC film material, so that the patterns are reflected on the sunroof glass main body, and the patterns smartly scatter and refract light rays, so that the space in a vehicle is covered by soft and fantastic light and shadow, and a miracle atmosphere which is just like being in the starry sky is created; the artistic sense and style of the space are greatly improved, and the strict pursuit of the user for personalized and high-end decoration is met.

The application relates to a dual-phase high-entropy ceramic material for high-temperature thermal barrier coatings and a preparation method thereof, in particular to a dual-phase high-entropy ceramic (La 0.2 Nd 0.2 Gd 0.2 Y 0.2 Ho 0.2 )2Zr2O7 with low thermal conductivity and high thermal expansion coefficient, which is mainly used for thermal isolation, thermal barrier coatings and other applications in high-temperature environments. The application is prepared by adopting a solid-phase reaction sintering process through accurate design of the combination of rare earth elements, forms a stable dual-phase structure, effectively inhibits grain growth through grain boundary pinning, and thus maintains a nanoscale grain structure. Meanwhile, the material can efficiently block heat transfer at high temperatures through optimization of phase proportion, and the thermal expansion characteristics are matched with a metal base layer, effectively avoiding the falling risk caused by the difference in thermal expansion of the two, and thus greatly improving the service life and reliability of the material in a high-temperature environment. The high-entropy ceramic material of the application can be widely applied to fields with high demand for high-temperature thermal isolation in aerospace, aviation, automobile industry and the like, is especially suitable for thermal barrier coatings, high-temperature thermal insulation materials and other high-temperature thermal insulation applications, and has important engineering application value.

The invention relates to the technical field of chemical mechanical polishing, in particular to a cell-controllable wear-resistant acid-alkali-resistant CMP polishing cushion and a preparation method thereof.The preparation method comprises the following steps that S1, after base cloth is soaked in an acid-alkali swing soaking material to be pretreated, the base cloth is coated with polyurethane slurry, and then the base cloth is dried to obtain the cell-controllable wear-resistant acid-alkali-resistant CMP polishing cushion; then immersing the base cloth into a coagulating bath so that the polyurethane slurry on the surface of the base cloth is coagulated to form a polyurethane coating, forming regular and orderly vertical foam holes from the surface of the coating to the interior of the coating, and washing, drying and polishing to obtain a base; s2, soaking the base into the bridging organic silicon sol, taking out, hanging upside down and horizontally standing, drying the sol to form bridging organic silicon gel, washing with water, and drying to obtain the wear-resistant acid and alkali-resistant CMP polishing cushion with controllable cells; the polishing cushion obtained through the method is uniform in foam hole distribution, good in polishing solution carrying capacity and polishing stability and good in abrasion resistance and acid and alkali resistance, and meanwhile the service life can be prolonged.

The utility model relates to a sinking courtyard stair structure which is fixed on an outer wall of a sinking courtyard and comprises a middle frame, stair plates and a platform plate. The middle frame is arranged on one side of the sinking courtyard outer wall in parallel, one sides of the platform plates are connected with the middle frame, the other sides of the platform plates are connected with the sinking courtyard outer wall, the platform plates are distributed on the two sides of the middle frame in a staggered mode, and the stair plates are fixed to the left side and the right side of the middle frame and distributed on the front side and the rear side of the middle frame in a crossed mode. The two ends of the stair plates are connected with the platform plates on the two sides of the middle frame respectively. Compared with the prior art, the utility model has the advantages of reasonable and safe acceptance system, simple structure, wide application range and the like.

The application provides an insulating ink with ultra-micro warping degree, a back contact cell without main grid, a preparation method of the back contact cell, a back contact cell and an electrical equipment, and relates to the field of back contact cells. According to the insulating ink with ultra-micro warping degree, the raw materials include 55-65% of polyimide resin, 15-20% of solvent, 3-5% of filler, 3-5% of leveling agent and 2-5% of crosslinking agent, with the mass of the insulating ink with ultra-micro warping degree being 100%. The ink of the formula can reach high hardness and small warping degree after solidification.

The invention relates to the technical field of wires and cables, and discloses a wire and cable production process, which comprises the following steps: S1, material blending: carrying out melt blending on high-density polyethylene particles, silicone rubber particles, ethylene propylene diene monomer particles and an antioxidant; adding an activating agent and an anti-pre-crosslinking agent; s2, vulcanization treatment: adding a dicumyl peroxide solution, carrying out vulcanization treatment, and then crushing into cross-linked plastic particles; s3, pilot production of the single-core cable: melting the cross-linked plastic particles and then coating the cross-linked plastic particles on the conductor; s4, performance testing: carrying out mechanical performance testing and insulating performance testing; and S5, cable core twisting: twisting a plurality of single-core cables together to form a complete wire cable. The wire cable prepared by the invention has relatively high resistance and deformation capability under the action of external force; and the influence on the tensile strength and the elongation at break in a high-temperature environment is small, the service life is effectively prolonged, and the fault rate of a circuit is reduced.

The utility model provides a corrosion-resistant aluminum-plastic composite belt, which comprises an aluminum composite belt body, the aluminum composite belt body comprises a substrate layer, a first functional layer and a second functional layer, the first functional layer comprises an epoxy resin coating layer and a polyurethane coating layer, the second functional layer comprises a fluorocarbon coating layer and a polyvinylidene fluoride coating layer, and the first functional layer and the second functional layer are arranged on the substrate layer. The first functional layer comprising the epoxy resin coating layer and the polyurethane coating layer is arranged, the epoxy resin coating layer has good tolerance to various chemical substances (such as acid, alkali and solvent), the aluminum-plastic composite belt can be effectively prevented from being eroded by the chemical substances in a corrosive environment, meanwhile, the aluminum-plastic composite belt has excellent mechanical strength and adhesive force, the service life of the aluminum-plastic composite belt is prolonged, and the service life of the aluminum-plastic composite belt is prolonged. The polyurethane coating layer can form a firm protective layer on the surface of the aluminum-plastic composite belt, is excellent in waterproof performance, can effectively isolate moisture and prevent the aluminum-plastic composite belt from being corroded in a humid environment, and has excellent wear resistance.

The application discloses a die flash groove structure for asymmetric forging, which can be applied to the forging of circumferential asymmetric class and axial thin-wall deep cavity forgings, can reasonably distribute materials, effectively increase the outflow resistance of the flash, improve the filling capacity of the forgings, improve the quality of the forgings, reduce material consumption and reduce production cost. The upper die and the lower die are used for being mounted on a forging press, the middle part of the upper die and the lower die forms a forging cavity, the edge part of the upper die and the lower die is provided with a flash groove, the flash groove comprises a bridge part and a bin part, the cavity is a non-symmetrical deep cavity, the bin part is horizontally arranged, and the upper end of the bridge part is outwardly inclined.