2468results about How to "Realize mass production" patented technology

The invention discloses a method for preparing a silica aerogel material and relates to the method for preparing the aerogel material, in particular to the method for rapidly preparing a transparent SiO2 aerogel by being based on the sol-gel technology and adopting secondary modification and normal pressure drying. The invention provides the method for preparing the silica aerogel material, and the method has simple technology, short cycle, low cost and good safety and is conductive to large-scale production. Tetraethoxysilane is adopted as a silicon source, methyl trimethoxysilane or methyl triethoxysilane is taken as a modifier of a co-precursor, anhydrous ethanol is taken as a solvent, and hydrochloric acid and ammonia are taken as catalysts. The sol-gel acid-base two-step method is adopted for catalysis, thereby preparing the SiO2 wet gel; and the further modification is carried out on a wet gel sample after aging treatment under certain conditions, and the normal pressure low-temperature drying is finally carried out in air atmosphere, thereby preparing the SiO2 aerogel. The equipment cost during the preparation technology is low, the product has good performances and the reaction process is controllable.

The invention belongs to the technical field of the preparation of carbon material and provides a preparation method of grapheme or doped graphene or graphene complex. The grapheme or doped graphene or graphene complex is prepared by using the chemical vapor deposition method or liquid-phase impregnation method by taking kaolin, montmorillonite, vermiculite, mica, brucite, pseudoboehmite and other lamellar compounds as the template agent. Due to the adoption of the method, the grapheme or doped graphene or graphene complex with the lamella size of hundreds of microns can be prepared, and the batch preparation of the grapheme materials can be realized conveniently.

The invention provides a capacitive micromachined tuning fork gyroscope. The gyroscope is the symmetrical dual-mass structural gyroscope, comprising a substrate and a framework arranged in the centre of the substrate, wherein the middle of the framework is provided with a framework beam perpendicular to the framework; two detection mass blocks are symmetrically arranged in the framework with the framework beam as a symmetry axis, and four corners of each detection mass block are connected with the framework and the framework beam through at least four drive beams; decoupling drive comb capacitors are respectively arranged at both ends of each detection mass block in the direction of a vertical axis; detection comb capacitors are symmetrically arranged on both outer sides of the framework in the direction of a horizontal axis; at least four detection beams are arranged on both outer sides of the framework in the direction of the vertical axis; and the detection beams are distributed symmetrically relative to the vertical axis and the horizontal axis and are fixed on the substrate through corresponding anchor points. According to the capacitive horizontal-axis micromachined tuning fork gyroscope provided by the invention, the mechanical coupling between the detection mode and the driving mode of the micromachined tuning fork gyroscope can be solved easily and effectively.

The invention relates to a novel preparing method of a material used for a silver tin oxide wire electric contact. The invention has a process that the material prepared by silver, tin and additives according to a certain proportion is put into an intermediate frequency smelter for melting; a high pressure water atomizing device is adopted for high pressure alloy atomization; atomized alloy powder is dried and oxidated for modification; an isostatic pressing ingot is formed after isostatic pressing treatment; the ingot is agglomerated in a heating furnace; the agglomerated ingot is delivered into an extruding machine to extrude wires; the extruded wire is pulled and annealed to get a finished wire. The material property and electric property of the silver tin oxide wire electric contact material manufactured by the method can satisfy the use condition with high requirement.

The invention discloses a two-component spraying system which comprises a first material conveying system, a second material conveying system and a spray gun, wherein the structure of the first material conveying system is identical to that of the second material conveying system; a discharge port of a first material conveying pump of the first material conveying system is communicated with a mixing device through a first material conveying pipe; a first gear pump and a first flow meter are sequentially arranged on the first material conveying pipe; the output end of the mixing device is connected with the spray gun; the output end of a programmable logic controller (PLC) is respectively connected with the control ends of the first gear pump and a second gear pump; and the output ends of the first flow meter and a second flow meter are respectively connected with the input end of the PLC. In the invention, the PLC and the flow meters are used for accurately controlling the flow and the ratio of two-component coatings, and the flow and the ratio are automatically regulated by utilizing programs; and the ratio regulation range of two components is wider.

The invention discloses an assembling mold for all-composite corrugated sandwich cylindrical shells and relates to the assembling mold with an aim to overcome shortcomings about lack of special mold during production of existing all-composite corrugated sandwich cylindrical shells, skins and plates are not easy to be connected during production of other sandwich cylindrical shell, filament winding cannot be avoided, and the production process is complicated and not easy to for mass production. A core column is a split-type hollow column, two end caps are respectively detachably connected to the top surface and the bottom surface of the core column, multiple inner core strips and multiple outer core strips are alternatively arranged on the outer periphery of the core column along the axial direction of the core column, each inner core strip and each outer core strip are arranged at an interval, and a clamping fixture sleeves the core column provided with the inner core strips and the outer core strips. The cylindrical shells different in thickness can be produced, and mass production can be realized. The assembling mold is used for production of the all-composite corrugated sandwich cylindrical shells.

The invention relates to a method for processing a double face fabric with single-side moisture transferring and cooling functions, which is characterized in that the yarn for weaving the inner layer of the fabric is made of cool nylon fiber FLYCOOL, and the yarn for weaving the outer layer of the fabric is made of all common garment fiber. The method comprises the basic processing steps of gray fabric preparing, pretreating, dyeing or whitening, softening and thermosetting finishing. The fabric obtains the single-side moisture transfer property through thermosetting finishing. The fabric with single-side moisture transfer property has simple technological design, stability in production, easiness for operation, high working efficiency, large-scale production and an obvious single-side moisture transfer effect, the product has good performance uniformity, and the fabric shows a composite special effect function, i.e. the fabric shows a single-side moisture transfer and moisture absorption fast dry mechanism and a cooling function. The wearing comfortableness of sports wear is increased, and the sports wear is cool and comfortable to wear, has strong wearability and can especially meet the wearing requirement of people doing a large amount of exercises in summer.

The invention discloses an annular aperture ultrathin optical imaging system which can be used for a portable small-scale camera, a mobile phone lens or other civil optical imaging systems. The annular aperture ultrathin optical imaging system comprises a flat lens and a compensator; and the clear aperture is annular. The front surface of the flat lens is a plane reflector, while the rear surface has four coaxial annular high-order aspheric reflectors on the same substrate; and air is adopted as a light transmission medium. The system can obviously reduce the size and the weight while keeping good imaging quality and provide an effective method for improving a conventional refraction system. Compared with a common small-scale lens, the lens has the characteristics of good imaging quality, large numerical aperture, simple assembly and adjustment, low cost, portability, easy processing, suitability for large-batch production and the like.

The invention discloses a method of manufacturing a flexible micro membrane surface stress biosensor based on a nano conductive material. Particularly, a simple method is used for combining the nano conductive material and a flexible substrate, and the sensitivity and the telescopic performance of the stress sensor are further improved. Firstly, a flexible material (such as PDMS) is used as a raw material to make a flexible template with a groove; then, the nano conductive material (such as carbon nanotubes or silver nanowires) is used for filling the groove in the template; electrodes are led out from two ends of the filled nano conductive material; and finally, a flexible polymer material (such as PDMS) is used for fixing the nano material and the electrodes at the upper layer, and the structure stability is enhanced (the step can be omitted according to actual demands). The method of the invention has the advantages that the process is simple; the cost is low; the controllability is strong; the manufactured flexible stress sensor based on the nano conductive material is high in sensitivity, high in stability and good in flexibility; and possibilities are provided for realizing miniaturization, low cost and batch production.

The invention discloses a high-performance natural silk fiber and a preparation method thereof. High-performance silk fiber is formed by taking cocoon silk, raw silk, twisted silk or silk weaving yarn as raw materials and then performing contracting or stretching. The method specifically comprises the steps that inorganic salt, acid and water are mixed according to a certain ratio to prepare a silk swelling solution; the silk fiber is immersed into the swelling solution, and then stretching or contracting is performed; lastly, rinsing with clear water, neutralizing treating and drying are performed to obtain the high-performance natural silk fiber. The preparation method is simple, effective and short in process, the breaking strength of the silk fiber prepared through the method is comparable with that of spider silk, and therefore the high-performance natural silk fiber is suitable for application of the advanced technical fields of artificial ligaments, ophthalmological sutures, protective garments and the like.

The invention discloses a method for building inner and outer wall decorating plate, which comprises two flows, each flow including steps of: a primer line processing flow: (1) thickness sanding and dedusting, (2) roller painting back seal coat and curing into a first UV seal coat layer, (3) roller painting UV penetrant twice, (4) leveling by infrared ray, (5) coating UV putty at the front and UV curing and generating a UV putty layer, (6) roller painting the UV seal coat for three times and respectively curing and generating three second UV seal coat layers, (7) fine sanding; and a roller painting finish line flow: (1) dedusting, (2) roller painting UV glue and generating a first UV glue layer, (3) coating the UV finish for five times and curing and generating five UV finish layers. The decorating plate can solve the problems that a UV curing penetrating agent is strongly, quickly and deeply penetrated into a fiber reinforced calcium silicate slab or a fiber cement slab, deeply cured to form a film and subjected to stereo chemical netlike cross-linking reaction with UV putty and UV sealing paint, and thoroughly solves the problem of adhesive force between the decorative surface layer and a substrate.

The invention discloses a manufacturing method of a high-residual magnetism high-coercive force rare earth permanent magnetic material, which comprises the processing steps of master alloy preparation, crushing, molding, sintering to manufacture sintered magnets, aging treatment, machining and surface treatment, and is characterized in that after the processing step of sintering to manufacture the sintered magnets R1-T-B-M1, the sintered magnets are embedded into a mixed powder consisting of one or more components of HR2M2 and R3 oxide, R4 fluoride and R5 oxyfluoride, the magnets are separated from each other, and conducting absorption on the sintered magnets embedded in the mixed powder in vacuum or inactive gas at the temperature equal to or less than the sintering temperature of the magnets for 1-20 hours. In the method, the coercive force of the permanent magnetic material is significantly improved under the condition that residual magnetism basically does not change, the absorption efficiency is improved simultaneously, mass production can be achieved, and larger-sized high-residual magnetism high-coercive force rare earth permanent magnetic material of can be produced.

The invention discloses a magnetic graphene oxide nanometer compound, a preparation method and application thereof. The magnetic graphene oxide nanometer compound comprises graphene oxide, and the surface of graphene oxide is loaded with iron oxides magnetic nanometer particles. The preparation method comprises preparation of a graphene oxide dispersion liquid, preparation of an iron oxides magnetic nanometer particle dispersion liquid and preparation of the magnetic graphene oxide nanometer compound. The magnetic graphene oxide nanometer compound is applicable to water sterilization. The magnetic graphene oxide nanometer compound disclosed by the invention is excellent in antibacterial performance, efficient and easy to separate, the preparation method is simple and low in cost, the water sterilization processing effect is good, disinfection by-products is not easy to generate and secondary pollution is not easy to cause.

The invention relates to a welding method for a target and a back plate, comprising the steps of: providing the target and the back plate; adding welding flux on welding surfaces of the target and the back plate, and matching the target and the back plate; putting the target and the back plate after being matched into a coil; applying current to the coil, carrying induction heating on the target and the back plate after being matched, and then welding the heated target and the heated back plate into a target component; and cooling the target component. In the welding method, fast heating can be carried out on the target and the back plate as well as the welding flux so as to finish the braze welding of the target and the back plate to form the target component, so that the production efficiency can be improved, and the large-batch production of the target component can be realized.

The invention provides a preparation method for high reliability large-scale silicon nitride ceramic material, which comprises the following steps: a sintering aid is added into silicon nitride powder and well bended in medium to prepare a ground paste; the ground paste is dried and then formed by isostatic cool pressing; atmosphere pressure sintering is carried out. The density of the silicon nitride bearing ball prepared by atmosphere pressure sintering is larger than 98.5%, the strength is 700-900 MPa, the fracture toughness property is 8-9MPa-m<1/2>, and the hardness is larger than 15 GPa; after hot isosotatic pressing treatment, the density of the silicon nitride bearing ball is larger than 99%, the strength is 800-1000 MPa, the fracture toughness property is 8-10MPa-m<1/2>, and the hardness is larger than 15 GPa; compared with the large-scale silicon nitride products prepared by the existing atmospheric pressure sintering process, the performance indexes of the silicon nitride ceramic material can fully meet the requirement of high-power aerogenerator on the large-scale bearing ball; the large quantities of production can be realized with relatively low manufacture cost.

The invention discloses a mobile phone shell with a 3D structure. The shell comprises a surface shell body and a bottom shell body. The surface shell body and the bottom shell body comprise sheet material layers which are made of a transparent material and possess outer transparent surfaces and inner transparent surfaces, hardening layers which form on the outer transparent surfaces and possess a predetermined thickness, local printing layers which form at any local positions of the inner transparent surfaces, texture transfer printing layers which form on the inner transparent surfaces and cover the local printing layers, vacuum electroplated layers and printing ink layers, wherein the vacuum electroplated layers and the printing ink layers are successively superimposed with the texture transfer printing layers. The invention also discloses a processing technology. By using the mobile phone shell with the 3D structure, on one hand, the shell possesses light transmittance performance which is similar to the light transmittance performance of glass, simultaneously can bear a large impact force and can not be fragmented so that a durability problem during a usage process is solved, and the shell accords with human engineering of a hand portion of a person and satisfies a customized demand of a consumer; on the other hand, through the above technology, mass production in industry is realized and production cost is reduced.