313results about How to "Meet different usage requirements" patented technology

The invention provides a laminated sheet glass curtain wall for regulating cavity vacuum degree for thermal insulation. The curtain wall comprises a glass shell, air inlet and exhaust pipe nozzles of a cavity, a fastening seal tube and a sealant, wherein the glass shell is formed by bonding a bottom glass plate, a surface glass plate, a support and an edge sealing layer through the sealant; air inlet and exhaust pipe holes are formed on the glass shell; the edge sealing layer is closely sealed and bonded vertically along the edge of the bottom glass plate through the sealant so as to form a glass groove which takes the bottom glass plate as a bottom and the edge sealing layer as a frame; the support is vertically bonded on the bottom glass plate surface in the glass groove through the sealant; the air inlet and exhaust pipe nozzles are locked, sealed and fixed on the air inlet and exhaust pipe holes on the glass shell through the fastening seal tube; and the surface glass plate is covered on the surface of the frame of the glass groove coated by the sealant, and is bonded and sealed on the frame of the glass groove through the sealant. By the laminated sheet glass curtain wall, the vacuum degree can be adjusted so as to realize reliable operation, so that large-scale production of the laminated sheet glass curtain wall can be realized, and the energy-saving effect of a building can be achieved furthest.

The present invention is one kind of microporous polymer film containing cross-linked super branched molecule and its preparation. The hydrophilic microporous film is prepared with casting solution containing cross-linked water-base polymer and through phase conversion, and the preparation process includes the steps of: preparing casting solution, scraping film, curing in solidification bath and drying. The microporous film has excellent hydrophilicity. In the same time, owing to the interpenetration and twisting of the linear polymer inside the film on the super branched molecules and the cross-linking of super branched molecules, the super branched molecules will not dissolve and migrate from the film, resulting in high film strength. The film forming process of the present invention has low viscosity of the casting solution and easy filming.

A laser connection method based on the laser material additive manufacturing technology relates to a welded connection method of a special material. According to the laser material additive manufacturing principle, and by utilizing the laser depositing method and the layer-by-layer piling method, a new material shaped like the welding seam between two base materials is formed between the welding seam of two connecting materials and the formed new material is further utilized to connect the two base materials. According to the laser connection method based on the laser material additive manufacturing technology, provided by the invention, the metallurgical composition of the welding seam and the joint performance are improved, near-net forming connection is realized, materials are greatly saved, the cost is reduced, weld defects are controlled, the degree of automation is high, and the operation is easy; besides, a fiber laser, a YAG solid laser, a semiconductor laser or CO2 laser are taken as the core, and a powder feed device, a protective gas system and a cooling system are taken as auxiliary appliances, therefore the overall system is high in automation level, can realize whole-process computer control, and is simple in operation processes and further easy to implement.

The invention discloses a cast-in-place ecological slope protection and a construction method thereof. The construction method is characterized by including the steps of firstly, mounting anchor bolts (10) on a slope (1); secondly, laying a plurality of reinforcing steel bars (3) on the slope in a staggering manner, and forming a reinforcing steel bar mesh with a plurality of meshes; thirdly, fixing two of the reinforcing steel bars (3) at each joint of each mesh together, and fixedly connecting the reinforcing steel bar mesh with the anchor bolts (10); fourthly, disposing a mould (5) in each mesh to allow all the adjacent moulds on the reinforcing steel bar mesh to enclose to form cavities mutually communicated through side plates of the moulds; and fifthly, pouring concrete into the cavities so that a plurality of mesh beams (2) are formed on the slope (1), wherein the mesh beams (2) are connected to form a mesh protection slope with a plurality of meshes to be planted. Pouring of the mesh beams is achieved in the field of a side slope, and accordingly the mesh beams are integrally connected mutually. In addition, the mesh beams are fixedly connected with the side slope, and accordingly a foundation for greening of the side slope is laid while the structure of the slope protection is stable.

The invention relates to a PEAK (polyaryletherketone) polymer with a POSS (polysilsesquioxane) structure and a preparation method and belongs to the field of high polymer materials. The PEAK polymer containing carboxyl and fluorine is prepared by introducing a carboxyl structure into a fluorine-containing PEAK main chain structure through nucleophilic substitution. The polymer has excellent heat stability, good dissolving property and lower dielectric constant. Further, POSS containing hydroxyl functional groups is grafted to a fluorine-containing PEAK side chain structure through Friedel Crafts acylation reaction, so that characteristics of POSS and fluorine-containing PEAK are organically combined, the dielectric constant of a material is further reduced, the heat resistance of the material is improved, and different using requirement are met.

The invention provides a preparation method of polyimide, comprising the following steps: a) carrying out a dehydration polymerization reaction on a diamine and an anhydride of an organic acid in a non-polar solvent to obtain a mixture, wherein the non-polar solvent is one or more of arene, aliphatic hydrocarbon, halogenated arene or halogenated aliphatic hydrocarbon, and the anhydride of the organic acid is one or more of dianhydride and single anhydride; and b) filtering the mixture obtained in step a) and drying to obtain the polyimide. According to the invention, the dehydration polymerization reaction between the diamine and the anhydride of the organic acid can be conducted directly in the non-polar solvent to obtain the polyimide which cannot be dissolved in the non-polar solvent; therefore, the polyimide powder with fine particles can be obtained by directly filtering and drying the reaction mixture without washing and grinding, and the production period is shortened and the production cost is reduced, and the large-scale production is facilitated.

The invention discloses a special composite damping coating for ships and warships and a preparation method thereof. The special composite damping coating comprises a damping layer and a constraint layer, wherein the damping layer refers to a two-component solvent-free polyurethane coating and comprises a first component and a second component; the first component refers to an isocyanate prepolymer synthesized by polyisocyanates and polyol; the second component comprises a chain extender, a dispersing agent, an antifoaming agent, a catalyst, a damping filler and pigments; the constraint layer refers to a two-component solvent-free epoxy resin coating and comprises a component A and a component B; the component A comprises a liquid epoxy resin, a reactive diluent, a dispersing agent, an antifoaming agent, a flame retardant, a thixotropic agent, talcum powder, wollastonite in powder and coarse whiting; and the component B comprises a modified curing agent, an antifoaming agent and a thixotropic agent. The coating adopts a constrained damping structure and is mainly used for reducing structural vibration and noise of naval vessels, the stealth capability, tactical qualities and comfortable capability can be improved, and the material has excellent sound insulation, antiseptic properties and medium resistance.

The invention discloses a damping material comprising a damping layer, wherein the damping layer comprises the following components in parts by weight: 30-50 parts of emulsion, 2-5 parts of lignocellulose, 20-40 parts of mica powder, 20-30 parts of aluminum hydroxide, 10-20 parts of waterborne fire retardant, 10-20 parts of film forming additive, 0.5-1.5 parts of wetting dispersant, 0.5-2.0 parts of thickening agent and 10-20 parts of water. The invention also discloses a preparation method of the damping material; the prepared damping material contains no organic solvents, is safe, environment-friendly, free from environment pollution and excellent in damping performance and has the recombination loss factor of over 0.3.

The invention relates to a fiber-preform-reinforced aerogel insulating composite material. The fiber-preform-reinforced aerogel insulating composite material adopts ceramic fiber preform containing anopacifying agent as a reinforcement ,and adopts aerogel with nanopores as a matrix; a mass ratio of ceramic fiber in the ceramic fiber preform to the opacifying agent is 1:(0.1 to 0.5), and the opacifying agent is one or combination of TiO2, ZrO2, ZrSiO4, Cr2O3, Fe2O3 or SiC; the pore volume of the aerogel is larger than 2.5g / cm<3>. The fiber-preform-reinforced aerogel insulating composite material and the preparation method thereof have the beneficial effects that the high-temperature insulating property of the fiber-reinforced aerogel insulating material is obviously improved, and the highest use temperature of the material can reach 1200 DEG C, so that the heat stability is good; in addition, the fiber-preform-reinforced aerogel insulating composite material is good in mechanical property, and can be cut and machined into various member shapes to meet different use requirements.

The invention provides a method for rapid treatment of damage of a cavity beneath a cement concrete pavement slab and has the advantages of low cost, a fast repairing speed and a good effect. According to the invention, a falling weight deflectometer and a ground penetrating radar are used for determination of a cavity position at corners and a center position of a cement concrete pavement slab; then grouting holes are arranged in the cement concrete pavement slab, wherein an emulsified asphalt cement-based composite material is used as a grouting slurry; a grouting pump is employed to pump the grouting slurry from a mixer, and the grouting slurry is injected into the cavity position of the cement concrete pavement after pumping pressing by a high-pressure rubber hose; after grouting is finished, the cement concrete pavement is maintained for 4 to 6 h; and mortar is used to plug the grouting holes, after the grouting holes are stood for 8 to 12 h, and then parts of the pavement higher than the pavement is polished until the parts of the pavement are as high as the original pavement.

The invention belongs to the field of production and preparation of inorganic functional materials, and particularly relates to a process for preparing single-phase sodalite from fly ash, which comprises the following steps: pretreating fly ash by an alkaline fusion method; proportionally adding the activated fly ash, aluminum hydroxide and sodium hydroxide solution into a polytetrafluoroethyleneinner container, evenly mixing, and carrying out hydrothermal crystallization in a sealed constant-temperature drying oven; and finally, filtering the product, washing until the product becomes neutral, and drying to obtain the single-phase sodalite material. The invention successfully synthesizes the low-cost single-phase sodalite zeolitization material by using solid waste-fly ash as the raw material for production. The process has the advantages of low cost, abundant sources of raw material, controllable product performance, no secondary pollution and the like, is simple and easy to operate, and thus, has great industrial application potential.

The invention relates to a preparation method of a structure-controllable magnesium-based three-dimensional porous material. The base material of the porous material is pure magnesium or magnesium alloy and is filled with three-dimensional run-through pores. The porous material has the set structure according to the using requirement. The preparation method comprises the following steps: designing three-dimensional spatial configuration for pore forming according to the set structure; winding or weaving a metal wire to form the three-dimensional spatial configuration; infiltrating magnesium-based metal material molten liquid into the three-dimensional spatial configuration by a pressureless infiltration method or a suction casting method; cooling and forming a magnesium-based metal wire composite structure; removing the metal wire with the three-dimensional spatial configuration from the magnesium-based metal wire composite structure by a chemical corrosion method to form the magnesium-based three-dimensional porous material with the set structure. The magnesium-based three-dimensional porous material with different structures and properties are prepared by adjusting and changing the three-dimensional spatial configuration of the metal wire, so that the application requirements in the fields of biomedicine, energy exchange, purification and filtration, catalytic electrodes and the like are met.

The invention discloses a preparation method of a micron or nanometer calcium phosphate / catechol-based polymer bone repair scaffold. The preparation method comprises the following steps: A, mixing 100 parts by weight of calcium phosphate, 1-40 parts by weight of pore-forming agent and 0.1-45 parts by weight of catechol-based polymer, and adding a trihydroxymethyl aminomethane-hydrochloric acid buffer solution to obtain a slurry mixture, wherein calcium phosphate is micron calcium phosphate and / or nanometer calcium phosphate, and the catechol-based polymer is a polydopamine or dopamine graft copolymer; B, forming the slurry mixture obtained in the step A by virtue of mold pressing, pouring or 3D (Three-Dimensional) printing, and then curing the mixture for 20-30 hours in a water bath kettle at 35-40 DEG C. The bone repair material scaffold prepared by the method has good bioactivity, osteoconduction, degrading capacity and biocompatibility, and has good mechanical properties at the same time. The bone repair material scaffold can be formed by virtue of a mold pressing, pouring or 3D printing method, and can be prepared into any shape and structure.

The invention discloses a hydrofoil and planing combined boat with a retractable front hydrofoil, which comprises a boat body and a propulsion device at the stern of the boat body; the bottom surface of the stern of the boat body serves as a planing surface; the mid-front part of the boat body is a single hull; the mid-rear part of the boat body takes a tri-body boat shape and comprises a middle boat body and side boat bodies; the two sides of the bottom of the middle boat body extend outwards to form arc-shaped grooves which constitute lateral splashing water channels; the front hydrofoil is arranged under the bottom of the mid-front part of the boat body through vertical pillars on the two sides; a pillar axially-moving mechanism is arranged in the boat body; and when the front hydrofoil goes up to the highest position to be inside the bottom of the boat body completely, the planes on the two sides of the front hydrofoil are clung to the two sides of the front part of the boat body to become a part of the outer surface of a fairing of the boat body. The hydrofoil and planing combined boat combines high speed of a planing boat and good seakeeping property and small wave making property of a hydrofoil, overcomes the defect that the planing boat or the hydrofoil is not suitable to rush to a shallow, effectively solves the problem of severe lateral splashing caused by single-hulled or twin-hulled planing, and can serve as a hydrofoil as well as a planing boat.

The invention relates to the technical field of shock absorption and shock isolation of buildings and particularly relates to a prefabricated compound shock isolation member for an assembling type building. The prefabricated compound shock isolation member for the building comprises a member main body, a connecting assembly arranged on the member main body, and a pre-embedded assembly and reinforcing bars, which are arranged in the member main body; the prefabricated compound shock isolation member is integrally molded through concrete pouring; the connecting assembly is connected with a building member; the pre-embedded assembly is connected with a shock isolation support. The pre-embedded assembly, the reinforcing bars and the connecting assembly are integrally molded through the concrete pouring, so that precision requirements of the reinforcing bars and the pre-embedded assembly are guaranteed and manufacturing can be standardized; the installation efficiency, installation quality and installation precision of the shock isolation support are improved; the shock isolation performance of the building is improved. The pre-embedded assembly is flexible in design and can also be connected with a tensile device, a wind-resisting device and / or a fireproof device, so that the shock isolation support has fireproof, tensile and wind-resisting functions.

The invention discloses a reinforced iron-base alloy and method for preparing same, wherein the powder metallurgy iron-copper alloy (FTG70Cu3-35) is added with alloy elements Cr, which is in the form of high carbon ferro-chrome (CR-Fe) alloy powder.

The invention provides a polymer melt shear vibration extrusion molding device which comprises an extruding machine 13, an extrusion head 1 connected with the extruding machine through a flange plate, a mouth mould 12, a stock mould 14, a cooling water tank 15, a traction device 16 and a cutting device 17, and is characterized by further comprising a crank connecting rod shear vibration system 18 and a melt runner vibration chamber 2, wherein the crank connecting rod shear vibration system 18 is arranged above the extrusion head 1; the melt runner vibration chamber 2 is arranged inside the extrusion head 1; the crank connecting rod shear vibration system is composed of a crank connecting rod mechanism and a reciprocating vibration rod 3; the reciprocating vibration rod 3 is positioned in a through hole 9 formed in the extrusion head 1; the through hole 9 is communicated with the melt runner vibration chamber 2. The device provided by the invention not only can simultaneously promote polymer molecule chain orientation, shish-kebab structure generation and polymer crystalline grain refinement, and improve mechanical property of products, but also can reduce extrusion resistance and improve production efficiency.

A preparation method for a low profile flexible circuit board material includes the following steps of (1) pretreatment, (2) film coating through a vacuum magnetron sputtering method and a vacuum vapor deposition method, and (3) electro-coppering and anti-oxidation treatment. Production equipment for the low profile flexible circuit board material comprises film coating equipment and post-treatment equipment. The film coating equipment comprises a film coating machine body shell which internally forms a pre-treatment chamber, a magnetron sputtering chamber and a vapor deposition chamber from top to bottom after being divided by separating plates. The post-treatment equipment comprises a feeding device, a pre-treatment tank, a first-stage electro-coppering tank, a second-stage electro-coppering tank, a water washing tank, an anti-oxidation treatment tank, another water washing tank, a drying box and a collecting device. The preparation method and production equipment for the low profile flexible circuit board material can effectively improve the adhesion force of a conductive film layer, meet the requirement of products with a high adhesion force requirement, and realize organic combination of magnetron sputtering film coating and vapor deposition film coating.

The invention relates to a semisolid injection molding machine with multi-station injection. The semisolid injection molding machine with multi-station injection comprises an injection mold and semisolid injection mechanisms. An injection mold cavity and injection sprues communicating mutually are arranged on the injection mold; two or more than two sets of semisolid injection mechanisms are arranged; two or more than two injection sprues are arranged corresponding to the semisolid injection mechanisms; the injection sprues communicate with the injection mold cavity through different injectionrunners; and the semisolid injection mechanisms communicate with the corresponding injection sprues. According to the semisolid injection molding machine with multi-station injection provided by theinvention, semisolid magnesium alloy is injected through the two sets of semisolid injection mechanisms, so that the injection volume is effectively increased, and the flow length ratio is reduced; and the structure is suitable for the occasions requiring producing thin-wall or thick-wall magnesium alloy products with high production quality and large flow length ratio.

The invention relates to the technical field of water purification, and in particular to a whole-house quality-divided purification method for tap water. The method comprises the following steps: conducting ultrafiltration treatment on tap water, and using ultrafiltration concentrated water as primary domestic water; conducting nanofiltration treatment on the tap water and using the nanofiltration concentrated water as secondary domestic water; and conducting UV sterilization treatment on nanofiltration water for domestic drinking. The invention also discloses a whole-house quality-divided purification device, comprising a membrane unit, a nanofiltration membrane unit and a UV sterilizer, which are connected successively; a water outlet of the UV sterilizer is connected with household drinking water port; and a concentrated water port of the ultrafiltration membrane unit and a concentrated water port of the nanofiltration membrane unit are respectively connected with a primary domestic water port and a secondary domestic water port. The whole-house quality-divided purification method and device for tap water provided by the invention employ a membrane integration technology and a full membrane process to produce water with three different qualities, so as to meet different use requirements of household or building users, improve taste of purified water and maintain nutrition content of some minerals.

The invention provides an electric deposition nickel pottery plating solution and a preparing method thereof. The method is characterized by using electric deposition nickel or nickel-base alloy plating solution as base plating solution, and adding insoluble inorganic nonmetallic micron-grade particles pretreated by non-ionic potyoxyethylene ether surfactant in the base plating solution, so that nickel pottery coating is deposited on a metal matrix. The invention employing non-ionic activator can effectively increase decentrality, stability, evenness and suspension degree of particles, promote codeposition for particles, reduce particle content in the plating solution, improve conductivity of the plating solution, and greatly increase organization performance of the nickel-base composite coating. The invention has advantages of simple process and easy execution.

The invention discloses preparation methods of benzocyclobutene functionalized cage type polysilsesquioxane (POSS), shown in a formula (IV), and resins of the benzocyclobutene functionalized cage type POSS. The preparation method of the benzocyclobutene functionalized cage type POSS comprises the steps of adding a toluene solution of OVPOSS and 4-(1,1-dimethyl-1-hydrogen)silicon-base benzocyclobutene into a reactor, replenishing the reactor with nitrogen for protecting, adding a tetrahydrofuran solution of chloroplatinic acid, carrying out a reaction at the temperature of 60-90 DEG C, separating and purifying the materials obtained after the reaction is finished so as to obtain the benzocyclobutene functionalized cage type POSS. The benzocyclobutene functionalized cage type POSS can be further prepared into body polymers or solution polymers, and can be added into matrix resins so as to form nano composite materials. According to the preparation methods, the POSS is cleverly introduced into the benzocyclobutene resin by means of a simple and efficient hydrosilylation reaction. The resins prepared by the methods provided by the invention have excellent heat stability, mechanical properties and electrical properties, thus being suitable for being used as interlayer dielectric films or packaging materials in the fields such as micro-electronics industry and national defense aerospace. The formula (IV) is described in the description.

Disclosed is a polyolefin component material filed with modified coal slack power, which is produced through the technical equipment and steps the invention has supplied, with the mass ratio of modified coal slack containing polydiolefin epoxy rubber whose mass ratio with it is 2-20:100, and polyolefin being 10-70:100. The modified coal slack powder having been processed by polydiolefin epoxy rubber is easy to disperse,a nd the surface binding force of it and resin substrateis increased, as well as its comprehensive performances has been advanced, be sides it has simple productive course, low few rubber, low price, the modified coal slack powder need not to be burnt, which can save energy and cost and will not destroy the productive course and pollute the environment.

The invention discloses high-fill high-heat-resistance polyvinyl alcohol-based microcellular foam type flame retardant paper.The microcellular foam type flame retardant paper is prepared through the steps that polyvinyl alcohol and a plasticizing foaming agent are mixed and swelled and then mixed with an inorganic flame retardant and a flame retardant synergist to obtain composite powder; the composite powder is added into a screw extruder for microcellular foam extrusion, cooling traction, flattening and winding are conducted.The vertical burning class is V-0, the limit oxygen index is 35%-41%, the tensile strength is 1.0-4.5 MPa, the apparent density is 0.05-0.50 g / cm<3>, the average cell diameter is 70-200 micrometers, and the thickness is 0.1-2.0 mm.The flame retardant paper is excellent in thermal resistance, can meet the requirement of rapid laser printing, is excellent in comprehensive performance and low in cost and can be prepared by directly adopting a thermoplastic processing method, the technology is simple and easy to operate, and continuous industrialized production can be achieved.

The invention discloses an all-in-one machine integrated with heat and cold sources, comprising a compressor. The high-pressure outlet of the compressor is connected with a condenser of which the outlet is connected with the inlet of a throttle device; the outlet of the throttle device is connected with an evaporator; and the outlet of the evaporator is connected with the low-pressure inlet of the compressor. The all-in-one machine is characterized in that the condenser is formed by connecting a water-cooled condenser with an air-cooled condenser in parallel; the evaporator is formed by connecting a water-cooled evaporator with an air-cooled evaporator in parallel; one group of fluid flow passage of the water-cooled condenser is connected with the throttle device, while the other group of fluid flow passage of the water-cooled condenser is connected with a first circulating device; and one group of fluid flow passage of the water-cooled evaporator is connected with the low-pressure inlet of the compressor, while the other group of fluid flow passage of the water-cooled evaporator is connected with a second circulating device. The all-in-one machine can simultaneously supply heat and cold with less power consumption and little environmental pollution.

The invention discloses a liquefied natural gas welding heat insulation gas cylinder valve box protection cover for a motor vehicle, relating to the field of mechanical technology. A heat insulation gas cylinder is provided with various necessary valves; one end of the heat insulation gas cylinder is fixed with a thick end of the protection cover, and the other end of the protection cover is connected with a top cover of the protection cover through a hasp lock; a liquid filling bracket sinks in the surface of the protection cover and is bolted with a mounting hole position of the liquid filling bracket of the protection cover; an emptying bracket sinks in the surface of the protection cover and is bolted with a mounting hole position of the emptying bracket of the protection cover, and a side cover of the protection cover is bolted with a side cover hole position of the protection cover; a gas filling seat, a gas return seat and a pressure meter which are fixed on the liquid filling bracket and a signal box fixed on the emptying bracket are all fixed with the heat insulation gas cylinder through a pipeline; and the bolting positions of the liquid filling bracket and the emptying bracket with the protection cover are exchanged. The protection cover disclosed by the invention is used for protecting a heat insulation gas cylinder, ensures the safety and is convenient to operate.

The invention discloses a cutting, clipping and winding three-in-one device for textile. The cutting, clipping and winding three-in-one device comprises a distribution box. The periphery of the lowerportion of the distribution box is fixedly connected with a base. One side of the distribution box is movably connected with an inspection door. The upper surface of the distribution box is fixedly connected with a conveying belt shell. An indication lamp is mounted on one side of the outer wall of the conveying belt shell. A switch button is arranged on one side of the indication lamp. The left end of the conveying belt shell is fixedly connected with a storage plate. A triangular fixing steel frame is arranged on the lower surface of the storage plate. The two sides of the conveying belt shell are fixedly connected with clipping positioning devices. By arranging the distribution box, the inspection door, the clipping positioning devices and a winding device, the cutting, clipping and winding three-in-one effect can be achieved, the cutting efficiency is high, the operation quality is ensured, the labor intensity is relieved, the different application requirements are met, the maintaining cost is reduced, thus, the function diversity is improved, the optimal application effect is achieved, and application and popularization are facilitated.

The invention discloses an X-ray beam filtering device, a beam limiter and a medical diagnosis X-ray apparatus. The X-ray beam filtering device comprises a power source, a first linear transmission device, a second linear transmission device, a linkage device, a first filtering sheet and a second filtering sheet, wherein the power source drives the first linear transmission device to move; the first linear transmission device drives the first filtering sheet as well as the linkage device; the linkage device is connected with the second linear transmission device; the second linear transmission device drives the second filtering sheet; and the linkage device has a load travel driving the second linear transmission device to move and a no-load travel free from drive. By controlling the first and second filtering sheets to change between the position in an X-ray beam range and the position outside an X-ray range, the filtering combinations with different filtering thickness can be realized and can not only filter unnecessary radioactive rays in the X-ray beam, but also can meet different filtering requirements as well as different using requirements of medical workers to a relatively large degree.

The invention provides a preparation method of a low-modulus high-elastic beta-type titanium alloy dental arch wire. The method conducts annealing treatment, low temperature rotary forging, multi-modedrawing, corresponding solution treatment and surface brightening treatment on titanium alloy bars to prepare the low-modulus high-elastic beta-type titanium alloy dental arch wire. The method fullyutilizes the characteristics of low strength and good elongation of a beta-type titanium alloy at a certain temperature, the deformation is increased and the number of pass is reduced by low temperature rotary forging, a clad layer is prepared on the surface of the dental arch wire, the color of the titanium alloy dental arch wire can be changed, and the use requirements of people can be met; anti-corrosion treatment is conducted on the titanium alloy dental arch wire, and the service life of the dental arch wire clad layer is prolonged. The preparation method of the titanium alloy dental archwire has the advantages of simple process, high manufacturing efficiency and good product effect, the prepared beta-type titanium alloy dental arch wire has good biocompatibility, low elastic modulusand high elasticity, and stable and mild corrective force and long-term moderate displacement can be obtained.