35results about How to "Expand the scope of manufacturing" patented technology

The present invention relates to a preparation method of a three-dimensional self-supporting micro-nano functional structure based on a thin film material, comprising the steps of: preparing a transition layer on a clean smooth substrate; preparing nano thin film and peeling nano thin film from a smooth substrate; preparing a supporting substrate with a pore structure; transferring the nano thin film to the supporting substrate with the pore structure; preparing a micro-nano graph on the nano thin film; and inducing the micro-nano graph on the nano thin film by ion beam irradiation to deform and form a finished product with the three-dimensional self-supporting micro-nano structure. The present invention is a novel method for preparing the self-supporting three-dimensional micro-nano functional structure based on the combination of the preparation of micro-nano structure on the nano thin film and ion beam irradiation-induced three-dimensional deformation, and has the characteristics of flexible technology, high efficiency, good controllability, low cost and large-scale preparation. The prepared micro-nano graph is designable in structure, morphology, size, and cycle, is various in material types, and has the characteristics of novel functions and physical properties.

The invention relates to a non-oriented electrical steel plate Which comprises the following components in percentage by mass: less than or equal to 0.0060 percent of C, 0.60 to 0.80 percent of Si, 0.20 to 0.40 percent of Mn, less than or equal to 0.10 percent of P, less than or equal to 0.0080 percent of S, 0.015 to 0.025 percent of Als, 0.001 to 0.002 percent of B, and the balance of Fe and unavoidable impurity elements. The production method comprises the following steps of smelting in a converter, argon blowing to steel ladle, RH vacuum treatment, refining of an LF furnace, continuous casting of a sheet billet, heat equalizing through a tunnel, fine rolling, cooling, coiling, acid pickling, cold rolling and continuous annealing. Compared with the prior art, the method is high in magnetic induction and low in iron loss. A manufacturing process for producing the non-oriented electrical steel plate by continuously casting and continuously rolling the sheet billet is provided for the first time, and the technical support is provided for production of a novel non-oriented electrical steel hot-rolling raw material with excellent environmental-protection performance by utilizing a sheet billet continuous-casting and continuous rolling production line.

The invention provides preparation methods for a vacuum insulation panel and a core material thereof. In the preparation methods, waste solid coal ash and straw ash discharged from a thermal power plant in China are used as a silicon source, thermokalite dissolution reaction is performed at a high temperature and a high pressure, an innovative inorganic dispersion sol-gel method and an epoxide method preparation process are adopted, a coagulation method for preparing organic aerogel, a co-polymerization method for preparing hydrophobic aerogel, and a doped modified aerogel in-situ method are combined, an in-situ co-precursor modification method is adopted, at the same time, a silane with a hydrophobic group is introduced and mixed with the silicon source for a sol-gel process, secondary hydrophobic modification of gel and organic matter toughening and strengthening are adopted, an inorganic/organic hybrid composite bulk aerogel vacuum insulation panel core material is prepared under normal pressure, and a vacuum insulation panel is prepared by using the core material. The vacuum insulation panel core material of the invention can be separately applied to the building thermal insulation engineering, has good anti-NIR performance, high strength and good toughness, does not crush under extrusion and is low in cost. The aerogel vacuum insulation panel of the invention does not produce a cold and heat bridge phenomenon, with the vacuum degree being maintained for a long time, is not prone to bulging and scratching, and can be made into a bulk.

The invention discloses a high-speed motor with a solid rotor. A laminated structure for punching of the iron core of the conventional motor rotor is changed; the iron core of the rotor is manufactured through a solid rotating shaft; the diameter of the rotating shaft is increased to an extreme size, so that the extreme rotating speed of the motor is increased; and a slot is formed in the surface of the rotating shaft, and a copper conductive strip is embedded into the slot and welded with copper end rings at two ends, so that the high-speed motor which has the power of below 400 KW and is used for starting and running a mouse cage is formed. By the structure, the high-speed motor can run in a speed range of 0 to 20,000 r/min.

The invention relates to a powder metallurgy preparation method of a step-by-step formed cemented carbide hard alloy/steel double-layer structure composite material, belongs to the technical field of composite material preparation. The method includes the steps that firstly, a steel powder material and carbide hard alloy powder are mixed and granulated with a binder to obtain a steel powder material feed and a carbide hard alloy material feed, and then the steel powder material feed and the carbide hard alloy material feed are sequentially injected into a mold cavity step by step through an injection molding technology to obtain a product green body; and part of the binder in the green body is removed through catalytic degreasing, and finally the carbide hard alloy/steel double-layer structure composite material is obtained through co-sintering densification. The powder metallurgy preparation method of the step-by-step formed cemented carbide hard alloy/steel double-layer structure composite material is simple and controllable, an obtained product is excellent in performance, and large-scale industrial application is facilitated.

The invention belongs to the technical field of organic and inorganic nano hybrid materials, and discloses a hollow microsphere based on methacrylic acyloxy cage-like silsesquioxane as well as a preparation method and an application thereof. The method comprises the following steps: preparing emulsion with stable methacrylic acyloxy cage-like silsesquioxane and Pickering effect, and drying the emulsion; soaking the dried emulsion by adopting a mixed solution which contains acetone and cyclohexane and serves as an etching agent so as to remove polystyrene nuclear to obtain a product. The product is extremely good in adsorption performance and can be applied to the field of sewage treatment. The operation technology is relatively simple, and experiment conditions are mild; the selected raw materials and reagents are easily obtained, and the yield of reaction is high.

The invention provides a biscuit producing and shaping mold convenient to carry and store. The mold comprises a mold body, telescopic placing frames and a fixing buckle; a storage box body is arrangedon a device body; a mold placing groove is formed in the side wall of one side of the storage box body, and a mold body is embedded in the inner side of the mold placing groove; an item storage drawer is arranged on the right side of the mold placing groove; plate placing grooves are formed in the bottom sides of the item storage drawer and the mold placing groove, and a biscuit plate is embeddedin the inner side of the plate placing groove; four limiting grooves are formed in the side which is in contact with the ground of the biscuit plate; the telescopic placing frames are symmetrically arranged on the left and right sides of the storage box body; the fixing buckle is arranged at the position, corresponding to a placing seat, of the top side of the storage box body. According to the mold, the limiting grooves which fit with the top side of the placing seat are formed, and placing stability of the biscuit plate is convenient to improve by means of the structural design to prevent biscuits from falling due to sliding of the biscuit plate.

The invention belongs to the field of researches of microfluid and microreactor technologies in pharmaceutical preparations and particularly relates to a microfluid preparation method for tumor therapeutic vaccine nanocarriers. According to the microfluid preparation method, Tesla structural chips are adopted for preparation of electronegative protein carrying nanoparticles for the first time. The microfluid preparation method is simple in process, prepared composite particles are small in particle size, uniform in dispersion and high in repeatability, a mass ratio range of nanoparticles formed by combination of polyethyleneimine and derivatives thereof and antigen proteins can be widened, and accordingly application prospect of the nanoparticles to tumor vaccines is broadened.

The invention discloses a forming method of wet lateral guiding lenticular, which is characterized by the following: depositing the sacrificial layer on the base material surface; coating the photoresist on the sacrificial layer surface; affirming the base plate surface position of lenticular; adapting photoetching process to remove the photoresist except lenticular caliber scale if the lenticular displays compact distribution; regarding several transverse micrometer scales of the lowest lenticular as opening; removing the corrosion-proof agent in the opening scale; adapting the auxiliary photoresist to remove the exposed sacrificial layer; blending the main etching liquid and auxiliary etching liquid in proportion; placing the removed structure to be corroded in the mixing liquid; cleaning the element; drying the element.

Disclosed is a multi-position laser die pressing process. The multi-position laser die pressing process comprises the steps that (1) a sheet obtained after indentation or hot stamping through a first die pressing unit enters a laser unit after passing an aluminum foil control unit; (2) the laser unit conducts die cutting on a product so as to reduce the platemaking cost and save time of halt plate replacement; and (3) the die-cut product enters a second die pressing unit for a indentation or hot stamping process. A die cutting hot stamping machine comprises the first die pressing unit, the aluminum foil control unit and the second die pressing unit, is characterized in that the laser unit is installed behind the aluminum foil control unit, and has the advantages that die cutting of the laser unit is cutting through a laser, a die cutting tool does not need to be made, and thus the platemaking cost is reduced effectively. During laser die cutting, automatic transformation of the cutting shape, position and size can be achieved in the nonstop state according to the needs of the machined sheet, and thus the production efficiency can be improved effectively.

The invention provides a novel high pressure resistant, anti-corrosion and high temperature resistant membrane shell, which comprises a shell, wherein two ends of the shell are connected with end covers; two axial ends of the outer side surface of the shell are respectively provided with a branch pipe; a membrane element bracket is arranged on a position corresponding to each branch pipe in the shell; each membrane element bracket comprises two circular ring groups which are fixedly connected through a rib plate; each circular ring group comprises at least two concentric circular rings. The invention simultaneously provides a preparation method for the novel high pressure resistant, anti-corrosion and high temperature resistant membrane shell and the preparation method thereof have the advantages of simple structure, easiness in processing, low manufacture cost, large manufacture size range and high compatibility. When the diameter is greater than 8 inches (203.2mm), the aspects including the pressure resistance degree, the flow condition, the mass transfer efficiency and the cost of the novel high pressure resistant, anti-corrosion and high temperature resistant membrane shell areall superior to that of the mainstream 8-inch membrane shell in the traditional market, a space use ratio is improved, and a larger membrane area can be provided in unit volume so as to obtain higherwater yield in the unit volume.

The invention provides a method for making integral products by using wood and bamboo as raw materials. The method comprises the steps of 1) forming meshes in wood and bamboo materials; 2) enabling all surfaces of the wood and bamboo materials with the meshes in each direction to be mutually supported and stressed to form an integral framework through a perforation method, an all-round intersection method or a weaving method; 3) uniformly wrapping the framework through the meshes by using resin, plastic or cement as inner and outer layer raw materials to form an integral body. The method for making integral products by using wood and bamboo as raw materials has the advantages that the width and thickness size accuracy of the made products is high, the overall strength is high and heavy loads can be born.

The invention provides a laminated solar cell and a preparation method thereof. The laminated solar cell comprises a crystalline silicon substrate, a perovskite layer, a buffer layer, a conductive layer, a metal electrode layer and an anti-reflection layer which are sequentially laminated and tightly attached to one another; and the surface of the metal electrode layer is provided with a metal electrode. According to the laminated solar cell provided by the invention, an electron transport layer and a hole transport layer are omitted, the structure of the cell is simplified; and the preparation process of partial functional layers is omitted, so that the overall manufacturing cost of the cell is further reduced.

The invention discloses a process for manufacturing pre-components of curved cement products for buildings. The process structurally comprises an elastic model plate, wherein the elastic model plate is provided with a cement product groove, embedding grooves, a curved cover plate, connecting plates and embedding plates. The cement product groove is located in the inner surface of the elastic modelplate, the embedding grooves are located inside the upper edge of the elastic mold plate, the curved cover plate is movably connected inside the cement product groove, the connecting plates are fixedly connected to the left and right sides of the curved cover plate, the embedding plates are fixedly connected to the lower surfaces of the connecting plates, and the bottom of the elastic model plateis provided with a fixing hole. The process increases the manufacturing range of the pre-components, reduces the number of times of replacing a mold plate when the pre-components of the different curved cement products are manufactured, improves the convenience in the procedure of manufacturing the pre-components of the curved cement products, enhances the smoothness of the molded pre-componentsof the curved cement products, and avoids the unevenness of the pre-components of the curved cement products.

The invention provides a processing method of a micro-nano tubular structure, and belongs to the technical field of three-dimensional micro-nano structures and devices. The processing method comprises the following steps: preparing a transition layer on a base; preparing a nano film on the transition layer; separating the nano film from the base to obtain a separated nano film; transferring the separated nano film to a support substrate; performing processing of a micro-nano structure in a plane on the nano film to obtain a micro-nano graphic structure; and performing ion beam irradiation deformation on the micro-nano graphic structure to obtain a finished product of a micro-nano tubular structure. The processing method of the micro-nano tubular structure, provided by the invention, can be used for high-controllability, high-precision, large-area and high-efficiency preparation of a material with a micro-nano tubular structure