165results about How to "Meet manufacturing requirements" patented technology

The invention discloses a method for producing a super-thick steel plate. The method comprises the following production process steps of: performing pretreatment on molten iron; making steel by using a convertor; performing external refining; continuously casting; heating; rolling; cooling in an accelerated way; normalizing; controlling a cold condition; finishing; inspecting performance; and performing ultrasonic flaw detection. In the method, a low-C high-Mn component system is utilized, and Ni and Cu alloy elements are added into the steel in combination with micro-alloying treatment of Nb, V and Ti. The steel comprises the following chemical components in percentage by weight: less than or equal to 0.12 percent of C, 0.20 to 0.40 percent of Si, 1.20 to 1.50 percent of Mn, less than orequal to 0.008 percent of P, less than or equal to 0.003 percent of S, 0.03 to 0.06 percent of AlT, less than or equal to 0.10 percent of Nb, Ti and V, less than or equal to 0.80 percent of Cu and Ni, less than or equal to 0.40 percent of Ceq and the balance of Fe and inevitable impurities. By the method, a continuous casting blank is used for producing high-performance Q345R steel plates with the thickness of 60 to 100mm, so that production cost is reduced, and the requirement of manufacturing containers with high parameter pressure is met; the low-C high-Mn component system is used for a component design, so that the requirement that the material Ceq is less than or equal to 0.40 percent is met; and the continuous casting blank is used for producing a high-performance Q345R super-thick plate, so that the method has a simple process, the process is easy to realize, and the plate can be produced by a common wide and thick plate factory.

The invention relates to a manufacturing method of an electronic-grade polyimide film with low linear expansion coefficient. The method is characterized by comprising the steps that (1) the step-by-step condensation polymerization technology or the blending compounding technology is used for obtaining two or more polyamide acid glue solutions comprising rigid structures and soft structures at the same time and are different in rigidity and softness; (2) ultrafine inorganic whiskers, like zinc oxide whiskers, silicon carbide whiskers and zirconium tungstate whiskers, which are subjected to surface organic modification already and/or nanoparticle materials are smashed and cavitated through high-energy-density supersonic waves, and then the functional fillers are compounded with polybasic polyamide acid in an in-situ micro-nano mode; (3) the compounded glue solutions are subjected to filtration, vacuum defoamation, extrusion casting filming, chemical amidization or thermal amidization, infrared complete amidization, high-temperature thermal forming processing, corona processing and a reeling process, and therefore the electronic-grade polyimide film with the thickness being 7.5-125 micrometers, the linear expansion coefficient being 5-18ppm/DEG C, and good physical mechanical performance is obtained.

Disclosed are high low-temperature impact toughness thick steel plates for hydrogen-contacting equipment and a production method thereof. The production method includes the steps: firstly, smelting and casting; secondly, heating plate blanks at 1070-1210 DEG C and rolling the plate blanks according to a compression ratio of 2.7-6.4; thirdly, normalizing within an austenitization temperature range; fourthly, accelerated cooling with water for 4-15 minutes; and fifthly, tempering at 700-750 DEG C; and sixthly cooling, wherein the steel plates comprise, in weight percentage, 0.10-0.15% of C, 0.50-0.60% of Si, 0.40-0.60% of Mn, not more than 0.010% of P, not more than 0.003% of S, 1.25-1.50% of Cr, 0.45-0.65% of Mo, 0.08-0.18% of Cu, 0.07-0.17% of Ni, 0.020-0.045% of Al, not more than 0.003% of Sn, not more than 0.003% of Sb, not more than 0.003% of As, 0.0020-0.0070% of N, the balance of Fe and unavoidable impurities, low-pressure section water flow of a pressure quenching machine is 18-38m<3>/min, top-to-bottom water volume ratio of each steel plate is 1:1.0-1.3, and the surface temperature of the steel palate at an outlet of the pressure quenching machine is not more than 120 DEG C.

The invention relates to the field of a lens and specifically relates to a blue-ray-proof lens and a resin raw material thereof. A substrate polymer and a blue-ray-proof additive are contained in the lens; a nanometer rare earth oxide subjected to surface modification treatment is served as the blue-ray-proof additive; 3-methacryloxy trimethoxy silane and polymethyl methacrylate are contained in a modifying material used for the surface modification treatment. According to the invention, the nanometer rare earth oxide subjected to surface-cladding treatment is added into the substrate polymer, so that the lens has a better converting absorbing function for the 400-470nm high-energy blue ray; the high transparency and low haze of the lens can be guaranteed; the lens can meet the manufacturing requirements of the myopic lens, presbyopic glasses and sun glasses; the lens has wide adaptability.

The invention discloses a photosensor testing sorting machine which comprises a main tower rotating disc system, a feeding screening module and a feeding transfer device. The main tower rotating discsystem performs systematic control over module devices, a loading disc containing a device is placed on a product launching loading platform of the feeding screening module, a vision CCD device of thefeeding screening module recognizes the device, a device taking and placing suction nozzle selects a product of a correct directional surface from the loading disc, and the product is transferred toa device positioning reverse mold of the feeding transfer device; the feeding transfer device transfers the product to the portion under the working position of a vacuum suction nozzle of the main tower rotating disc system; the existing production mode that workers perform manual testing under the special environment and workers perform appearance inspection under a microscope is changed into themode that machine equipment intelligently and automatically selects a qualified product, and unqualified products are classified concentratedly; in this way, the production efficiency is high, the error rate is low, the mode can be popularized to mass production, the labor cost is greatly reduced, and the working efficiency is improved.

The invention relates to a TiC-reinforced martensite wear-resistant steel plate with high toughness and good bending performance and a manufacturing method thereof. The TiC-reinforced martensite wear-resistant steel plate comprises the following elements including 0.18 to 0.30% of C, less than or equal to 0.30% of Si, 0.60 to 1.20% of Mn, 0.20 to 0.40% of Ti, 0.04 to 0.08% of Al, less than or equal to 0.10% of Ni, less than or equal to 0.10% of Cu, 0.20 to 1.00% of Cr, 0.10 to 0.60% of Mo, 0.0010 to 0.0040% of B, 0.001 to 0.005% of Ca, less than or equal to 0.015% of P, less than or equal to 0.003% of S, less than or equal to 0.0015% of O, less than or equal to 0.0030% of N, less than or equal to 0.0002% of H and the balance of Fe, and C-Ti/4 is more than or equal to 0.13 and less than orequal to 0.25, so that the hardness of a martensite matrix reaches 400-480 HB after TiC is formed; the carbon equivalent CEV is smaller than or equal to 0.65%, and the machining welding performance can meet the manufacturing requirement of high-abrasion-resistance equipment. The technological process comprises the steps of converter or electric furnace steelmaking, LF refining, vacuum degassing, Ca treatment, continuous casting, heating, hot rolling, quenching and low-temperature tempering; the elongation A50 is greater than or equal to 8%; the low-temperature impact toughness Akv at -40 DEG Cis larger than or equal to 20 J, and the cold bending performance d of the steel plate d is equal to 5a and the steel plate does not crack after 90-degree cold bending; and the wear resistance is 1.4times or more than 1.4 times that of low-alloy martensite wear-resistant steel NM450.

The invention discloses a medium-strength nitric acid corrosion-resistant titanium alloy. The titanium alloy is composed of the following components of, in percentage by mass, 5.0-7.0% of Ta, 0.7-1.5%of Al, 0.2-2% of Zr, 0.6-1.5% of Mo, 0.2-2% of Nb, and the balance Ti and inevitable impurities. The tensile strength of the annealed titanium alloy subjected to annealing treatment is 670-750 MPa, the yield strength of the annealed titanium alloy is 520-650 MPa, and the corrosion rate of the annealed titanium alloy in a boiling nitric acid solution with the concentration of 6 mol/L is not higherthan 0.08 mm/a. According to the medium-strength nitric acid corrosion-resistant titanium alloy, through adjusting the content of each element in the titanium alloy, the medium-strength nitric acid corrosion-resistant titanium alloy has excellent tensile strength, yield strength, corrosion resistance and impact toughness, also has excellent cold and hot processing properties, can be prepared intovarious processed products, and is suitable for manufacturing related equipment in the fields of nuclear industry and chemical industry.

The invention provides a multi-material 3D printing device for integrally manufacturing a stretchable electronic product and a working method. The device comprises a base and a control module; the base is provided with a three-dimensional workbench, a placing platform, a swing table and a printing bed, wherein the printing bed is arranged on the swing table, and the swing table drives the printingbed with vacuum adsorption and electric heating functions to swing and rotate; and the three-dimensional workbench comprises at least four Z-direction workbenches, the first Z-direction workbench isprovided with a mechanical arm used for grabbing and placing electronic elements, and each of the remaining Z-direction workbenches is provided with a printing nozzle. Movement of the three-dimensional workbench, the swinging table, the mechanical arm and a feeding module are controlled, each printing nozzle executes printing of a flexible base plate, a protective layer, a connecting circuit, an embedded electronic element and a packaging layer of the stretchable electronic product according to a set sequence, and thus integrated manufacturing is realized.

The invention relates to a preparation method of a thermosensitive film for an NTC powder and graphene compound plane. An NTC powder material and graphene for forming the general formula are compounded to prepare a film shape, the NTC powder material is coated or superimposed with graphene to form a sheet film, and the total resistance value of the compounded film is reduced. In order to better absorb solar radiation energy, graphene and the NTC powder material with various ratios can be compounded to respectively prepare films, then the films are superimposed to form a film with a microscopicgradient structure, and the internal resistance value is anisotropic according to different electrode connecting directions and positions, so that a better heat absorbing effect is realized, the self-resistance is reduced, the electrical conductivity is good, and the resistance value also can be set artificially. A single film or a superimposed film and a polymer film or a polymer fiber porous film are pressed again to be compounded into a new compound film, so that the toughness and the strength are improved.

The invention relates to a bimetal opening mold for a glass mold and a preparation method of the bimetal opening mold and belongs to the field of a glass mold and a preparation method of the glass mold. The bimetal opening mold comprises an opening mold base body and a nickel base alloy embedding block, wherein the nickel base alloy embedding block is combined into an inner cavity as an independent component, in addition, a group of tenons are formed at one side of the nickel base alloy embedding block backing to the nickel base alloy embedding block cavity, the group of tenons form a whole with the inner cavity of the opening mold base body in a mortise-tenon matching mode during the opening mold base body forming, the opening mold base body is copper alloy, the opening mold base body consists of the following chemical ingredients including aluminum, zinc, nickel, silicon, manganese, iron and the balance copper, and the nickel base alloy embedding block consists of the following chemical elements including carbon, silicon, chromium, copper, vanadium, boron, iron and the balance nickel. The bimetal opening mold has the advantages that the ideal high temperature resistance, oxidation resistance, creepage resistance, instant heat impact resistance and wear resistance performance can be realized, the service life of the opening mold is ensured, the manufacture requirements of the high-machine-speed glass container manufacture is met, the industrial production requirement is met, the energy sources are saved, the operation intensity of workers is reduced, and the influence caused by artificial factors is avoided.

An interactive wiring method comprises the following steps: 1) setting interactive wiring parameters; 2) selecting a connection graph, generating a connection point according to the graph attribute, and selecting a wiring width; 3) selecting a turning point and a jump layer obstacle avoidance point for orthogonal and oblique wiring; and 4) determining the wiring result and performing interactive wiring. According to the interactive wiring method, the graph of the starting point can be automatically detected, and the hierarchy and the width of the interactive wiring can be dynamically set, andthe starting point of the interactive wiring can be adjusted, and the consistency of the interactive wiring can be guaranteed, and the manufacturing requirement can be met.

The invention relates to a high-efficiency winding machine for a flexible graphite metal spiral wound gasket, which mainly comprises a transmission mechanism and a winding feeding mechanism. In the transmission mechanism, an electric motor is connected with a speed reducer; an output shaft of the speed reducer is provided with a coupling and is connected with a compression wheel shaft; the compression wheel shaft is supported on a fixed support by adopting a bearing through a compression wheel shaft right end cover; a guide round rod is welded on the peripheral plane of an end cover support; the upper end of the guide round rod is welded with a welding block; a steel wire rope passes across a pulley on a fixing device; and the other end of the steel wire rope is connected with a counter weight. In the winding feeding mechanism, a graphite ribbon is connected between a compression wheel and a graphite ribbon reel; a guide block is arranged at the position between the graphite ribbon and a metal belt; the metal belt passes across an A wheel to be connected with a fixed arm arranged below the A wheel; and an eccentric mechanism is arranged between the A wheel and the fixed arm. According to the invention, quality of a domestic spiral wound gasket can be improved, so that the domestic spiral wound gasket meets more and more harsh working conditions in large-scale chemical production equipment; and the high-efficiency winding machine for the flexible graphite metal spiral wound gasket has more complete functions and a higher automation degree.

Disclosed is a bamboo joint pile mold. The bamboo joint pile mold comprises an outer mold body and an inner mold body. The outer mold body comprises a bottom mold plate, side mold plates and a supporting pull rod which is disposed at the top ends of the side mold plates. The exterior of the inner mold body is provided with fixing supporting grooves or connected with supporting nuts. Screw mounting holes are formed in the side mold plates. The inner mold body is fixed to the inside of the outer mold body through screws or supporting rods. The inner mold body includes at least two joints and comprises inner mold body thick sections and inner mold body thin sections, and the inner mold body thick sections and the inner mold body thin sections are arranged in an intersection mode. According to the design of the bamboo joint pile mold, the inner mold body and the outer mold body are combined, and moreover the inner mold body is fixed to the inside of the outer mold body through the supporting rods and the screws so that the function of replacing different inner mold bodies can be achieved and the production demand for bamboo joint piles with different shapes can be met; adjusting plates are mounted between the side mold plates of the outer mold body and L-shaped turnover plates so that the size adjustment of outer mold plates can be achieved, the manufacturing requirement for pipe piles with different sizes and specifications is met, and repeated investment is avoided; and the included angles of the L-shaped turnover plates are larger than 90 degrees, so that the mold and the pipe piles are conveniently taken out, and the work efficiency is improved.

The process of producing continuous casting crystallization roller includes the following steps: cutting axial water inlet hole and water outlet hole on roller core, and forming water guide hole on the core wall to communicate the water inlet hole and the water outlet hole with outside surface of the core; installing metal pipe outside the core to form crystallization roller cooling system with several cooling loops; and cold pneumatic spraying through driving metal grains with pressure over 1.0 MPa to bump the outer surface of the core at high speed so as to make metal grains deform sufficiently for adhering onto the surface of the core and the outer surface of the cooling loops, filling the gaps, forming coating in enough thickness to cover the cooling loops and forming roller sleeve in enough thickness.

The invention relates to a preparing method of a high-pressure shell aluminum alloy die forging for a submersible, and is applied to the aluminum alloy forging field. The method aims at solving the problems that the high-pressure shell aluminum alloy die forging for the submersible is poor in stress corrosion resistance, strength and breaking toughness. The method comprises the steps of firstly, aluminum alloy casting ingot heating, secondly, forging of a workblank for die forging molding, thirdly, lubricating mold pressing molding to obtain the forging, fourthly, corrosive washing and degreasing of the forging formed through die forming and neutralizing and whitening of the forging in an acid tank, fifthly, heat treatment and sixthly, metallographic structure detection and performance detection of the die forging obtained after heat treatment, and detection of qualified die forging. The standard requirements can be met, the pressure resistance of the shell is improved, strength, breaking toughness and other properties of the high-pressure die forging for the submersible can be improved, and the service life of the shell is prolonged.

The invention provides a method for rolling wide thin plates of a wide and thick plate rolling machine. According to the method, by means of size and shape design of a blank, uniform high-temperatureheating, control over rolling roller type and roller face temperature, optimization of the rolling schedule, especially ensuring of the stability of the rolling state of the last two passes, and control over technology key points of straightening and pile cooling, the wide and thick plate rolling machine can roll wide and thin steel plates with the thickness of 6 mm and the width surpassing 2500 mm, the uneven degree of the steel plates can reach the range smaller than 3 mm/m, the thickness allowance meets the N type deviation allowed by the national standard GB/T 709-2006, the performance ofthe overall steel plate is uniform, the obdurability is good, and the steel plate can meet the manufacturing requirement of ship plates, bridges, buildings and other steel structures. The method solves the problem that in the production process of existing wide and thin steel plates, the plate shape and the performance are not stable, and the ability of the wind and thick plate rolling machine toproduce the wide and thin plates in batches can be achieved.

The invention relates to a 220 kV crosslinkable polyethylene insulating material with low by-product content and a preparation method of the 220 kV crosslinkable polyethylene insulating material. The raw material formula of the 220 kV crosslinkable polyethylene insulating material comprises components in parts by weight as follows: 100 parts of low-density polyethylene, 0.1-1 part of an antioxidant, 0.1-2.0 parts of a crosslinking agent and 1.0-3.0 parts of a crosslinking accelerator. By means of the formula formed by specific low-density polyethylene, the antioxidant, the crosslinking agent and the crosslinking accelerator, the problems of overhigh impurity content, appearance of pin holes inside and the like of prepared products can be solved, and requirements for manufacturing 220 kV cable insulating materials can be met.

The invention relates to a preparation method of leadless piezoelectric ceramic K0.1Na0.9NbO3 powder, particularly a one-step method for synthesizing leadless piezoelectric K0.1Na0.9NbO3 powder by a hydrothermal process, which comprises the following steps: 1. respectively taking a 5 mol/L potassium hydroxide solution and a 5 mol/L sodium hydroxide solution, and uniformly mixing according to the KOH:NaOH mole ratio of (3-9):1 to form a mixed alkali solution xmol; 2. adding niobium pentaoxide into the mixed alkali solution according to the mixed alkali solution x:niobium pentaoxide mole ratio of (20-5):1, and magnetically stirring for 30-60 minutes to form an uniform precursor solution; carrying out hydrothermal reaction on the precursor solution at 180-220 DEG C for 6-10 hours, and cooling to room temperature to obtain a material D; and 3. flushing the material D with deionized water to a neutral state, and drying to obtain the K0.1Na0.9NbO3 powder. The method has the advantages of simple technique, favorable repetitiveness and lower requirements for reaction environment; and the prepared K0.1Na0.9NbO3 powder has the advantages of small grain size and high purity.