46results about How to "High molding pressure" patented technology

The invention relates to a continuous fiber reinforced thermoplastic resin melt impregnation 3D printing device and a method, wherein thermoplastic resin is used as a matrix, and continuous glass fiber or carbon fiber is used as a reinforcement. The 3D printing device comprises an extruder, an unwinding roller, a pre-tensioning roller, an infrared radiation device, a gas-assisted swinging device,a wire wetting mold, a cooling device and a 3D printer. A continuous fiber bundle is firstly pre-dispersed by the pre-tensioning roller, the upper surface and the lower surface of the continuous fiberare pre-heated by the infrared radiation device, the pre-heated continuous fiber is unfolded to a certain width under the action of the gas-assisted swinging device, then the pre-heated continuous fiber enters the wire wetting mold, the wetting process of the resin matrix on the fiber bundle is completed under the action of a wave-shaped runner, the fiber bundle is conveyed forwards by the traction of an inner traction roller and passes through a circular shaping die to form continuous fiber prepreg filaments which can be used for 3D printing, and cooling, feeding and printing are carried outto finally obtain the 3D printed product of the continuous fiber reinforced thermoplastic composite material. According to the device and the method, uniform dispersion and full impregnation of the continuous fiber in the resin matrix can be realized, the 3D printing continuous fiber reinforced thermoplastic composite material product with good interface bonding and excellent performance can be prepared, and meanwhile real-time integrated forming of continuous fiber consumables and the 3D printing composite material product can be realized.

A method of protecting a micro-mechanical sensor structure embedded in a micro-mechanical sensor chip, in which the micro-mechanical sensor structure is fabricated with a protective membrane, the micro-mechanical sensor chip is arranged so that a surface of the protective membrane faces toward a second chip, and the micro-mechanical sensor chip is secured to the second chip.

An embedded inductor includes a coil and a magnetic body covering the coil. The magnetic body includes an insulated magnetic powder, a coupling agent and a resin. In addition, a manufacturing method of the embedded inductor includes steps of performing an insulation process for a magnetic powder to obtain an insulated magnetic powder; performing a surface process on the insulated magnetic powder; mixing the surface-processed insulated magnetic powder with a liquid resin to form a mixture; providing a coil; covering the coil with the mixture; and performing pressing and curing processes to obtain the embedded inductor.

The invention discloses a vehicle-mounted knife-type antenna cover and a precise manufacturing method thereof. The antenna cover is formed by combining an inner surface layer, a functional layer, a bottom plane layer, a stop opening layer and an outer surface layer. The inner surface layer, the bottom plane layer, the stop opening layer and the outer surface layer are made of different specifications of high-intensity glass fiber prepregs. The functional layer is made of different materials of high-intensity glass fiber prepreg, a metal array and a nomex honey comb, thereby satisfying different functions of wide frequency, high wave transparency and invisibility. The inner surface layer, the stop opening layer, the functional layer, the bottom plane layer and the outer surface layer are successively laid on a core die sequentially, an outer die is assembled and a vacuum bag is used for sealing, and through a vacuum system and an oven, heating and solidification are achieved to form a whole body. A layering method and laying sequence are set, so high speed discharging and precise prefabrication of different layers can be achieved. By combining a metal outer die and a silicone rubber core die, the size precision of the antenna cover is ensured and the technique cost is reduced.

The compression molded tooth used for practicing dental cutting treatment of the present invention comprises a composition containing a powder or powders of saccharide, polysaccharide, protein, and / or glycoprotein each having a particle size of 1 to 100 μm.

The carbon material stuffing with low adhering index is prduced with carbon containing material of adhering index less than 40 or expansion coefficient smaller than 3 and granularity smaller than 100 mm, and through dry distillation at 850-1300 deg.c. The carbon material stuffing with low adhering index has low strength and low volatile content. The coke briquette with the stuffing as main material has high strength, high density of 1.2-1.6 g / cu cm and low volatile content of 0.5-2 %, and is balls of diameter greater than 30 mm. The coke briquette is suitable for use in large blast furnace. The present invention makes it possible to coke with anthracite and lean coal.

The present invention includes composition and methods for the fabrication of very-high-aspect-ratio structures from metallic glasses. The present invention provides a method for nondestructive demolding of templates after thermoplastic molding of metallic glass features.

A lens arrangement includes two lenses. Each lens includes an optical portion having an optical axis, a non-optical portion surrounding the optical portion, and an engagement portion extending along and inclining relative to the optical axis from the non-optical portion. The engagement portions of the lenses are engaged with each other and an included angle is defined between the engagement portions. One of the lenses includes an elastic element which can be flexibly deformed relative to the other lens.

The present disclosure provides a method for operating a molding system. The molding system includes a molding machine and a mold disposed on the molding machine, wherein the mold has a mold cavity for being filled with a molding material from the molding machine. The method comprises a step of obtaining a predetermined state waveform expressing a predetermined volumetric variation of the molding material. Next, the method further comprises obtaining a measured pressure and a measured temperature of the molding material in the mold cavity while performing a molding process for filling the molding material into the mold cavity. Next, the method includes obtaining a detected volumetric property of the molding material corresponding to the measured pressure and the measured temperature. Subsequently, the method comprises displaying the detected volumetric property of the molding material with the predetermined state waveform.

The invention discloses a 3D printing nozzle and a forming method of a liquid crystal polymer film. The 3D printing nozzle comprises a shell and further comprises an inner core. The inner core is located in the shell. The central axis of the inner core coincides with the central axis of the shell. The inner core is rotatably arranged relative to the shell. The inner core of the spray nozzle is rotatably arranged relative to the shell. When a melt is subjected to mixing and plastifying, the forming pressing can be increased, and a raw material is transformed well from zero dimension to three dimension. When the liquid crystal polymer film is formed through the spray nozzle, the problem of orientation of the liquid crystal polymer film on a 2D plane can be improved remarkably, and the mechanical properties of the obtained liquid crystal polymer film in all directions are equivalent.

The invention relates to a wall body material, in particular to a pulverized fuel ash brick used in cold areas. The brick uses sands, carbide slag, pulverized fuel ashes and cement as raw materials which have weight percentage as follows: 25 to 40 percent of sand, 10 to 20 percent of carbide slag, 35 to 50 percent of pulverized fuel ashes and 8 to 12 percent of cement. The invention utilizes the large amount of pulverized fuel ashes exhausted from power plants as the major raw material used for producing the product, thus protecting environment, saving land which is used for a plant storing the pulverized fuel ashes in a power plant, meeting the industrial policy of energy saving and exhaust reducing of China, providing a novel wall body material for building market, canceling sintering of clay red bricks and making contribution to saving land resources. The pulverized fuel ash brick used in the cold areas of the invention is different from sintering-free bricks and autoclaved bricks, has the advantages of large forming pressure and good anti-freezing ability, is applicable to be used in the cold areas, and is characterized by good anti-freezing capacity (25 times higher than the national standard) and good insulation capacity and thermal conductivity thereof is less than the traditional clay red bricks and other solid bricks.

A coil component is constituted by a composite magnetic material containing alloy grains whose oxygen atom concentration in their surfaces is 50 percent or less, and resin, and also by a coil. The coil component using the composite magnetic material does not require high pressure when formed.

The invention provides a waste mine stone powder fired hollow brick. The waste mine stone powder fired hollow brick is characterized by being prepared from the following components by weight: 10% of slag, 50% of waste stone powder, 25% of gangue, 4% of potassium feldspar, 1.5% of amorphous quartz particles, 1.5% of sodium fluorosilicate, 1% of zirconium silicate, 0.5% of expanded graphite, 1.5% of sepiolite, 0.5% of bamboo powder, 1.5% of tourmaline and 3% of modified ceramic powder. The waste mine stone powder fired hollow brick has the beneficial effects that raw materials can be saved and the stability of the inherent quality of the formed green body is ensured; the briquetting pressure is high and the strength of the green body is high; the energy is saved and pollution is reduced by firing the brick by utilizing the calorific value of gangue; the gangue hollow brick produced by the process has the beneficial effects of reducing the dead weights of building structures and improving the building functions and has good heat and sound insulation properties.

A continuous fiber-reinforced thermoplastic resin melt impregnation 3D printing device and method, using thermoplastic resin as a matrix and continuous glass fiber or carbon fiber as a reinforcement. The 3D printing device includes an extruder, an unwinding roller, a pre-tensioning roller, an infrared radiation device, a gas-assisted swing device, a wire infiltration mold, a cooling device and a 3D printer. The continuous fiber bundle is pre-dispersed through the pre-tensioning roller, and the infrared radiation device preheats the upper and lower surfaces of the continuous fiber. In the infiltration mold, the infiltration process of the resin matrix to the fiber bundle is completed under the action of the wave-shaped flow channel, and is transported forward by the traction of the inner traction roller. After passing through the circular shaping die, it is formed into a continuous fiber that can be used for 3D printing. Prepreg, after cooling, wire feeding, and printing, finally make 3D printing products of continuous fiber reinforced thermoplastic composite materials. The invention can realize the uniform dispersion and full impregnation of continuous fibers in the resin matrix, and produce 3D printed continuous fiber reinforced thermoplastic composite products with good interface bonding and excellent performance. At the same time, it can realize continuous fiber consumables and 3D printed composite products. Real-time integrated molding.

A method of manufacturing a sprocket segment that is formed by forging as one of a plurality of circumferentially divided parts of a sprocket having a plurality of teeth arranged on an outer peripheral surface of a circular flange, the method includes: forming a material of the sprocket segment into an initial formed state in an initial forming step; and subjecting the sprocket segment in dies to a finish forming process with a tooth trace direction of the sprocket segment as viewed in cross-section of the sprocket segment being inclined relative to a forging direction of the dies in a finish forming step.

A coil component is constituted by a composite magnetic material containing alloy grains whose oxygen atom concentration in their surfaces is 50 percent or less, and resin, and also by a coil. The coil component using the composite magnetic material does not require high pressure when formed.

The invention is intended to improve a mould arrangement (1) and a method for the explosion forming of a workpiece (12) by means of gas explosion, in which the workpiece is arranged in a receiving space (15) of a forming mould (2), the receiving space being filled at least partially with liquid (26) and the explosion being triggered by igniting an explosive gas mixture (23), to the extent that the mould arrangement and the method are simplified and suitable for mass production. This object is achieved by a mould arrangement and a method for the explosion forming of a workpiece by means of gas explosion in which the workpiece is arranged in a receiving space of a forming mould (2), wherein the receiving space is at least partially filled with liquid and the explosion is triggered by igniting an explosive gas mixture in which the exposive gas mixture is at least partially provided over the surface of the liquid (22) before the ignition.

The invention discloses a method for improving a Seebeck coefficient of a carbon fiber cement-based composite material. Carbon fibers are subjected to acid treatment in the preparation process of the cement-based composite material and then molded through dry mixing and dry pressing modes. The acid treatment process of the carbon fibers is simple, the specific surface area of the carbon fibers subjected to acid treatment is relatively high, and the contact area between the carbon fibers and a cement matrix can be greatly improved, so that the Seebeck coefficient of the cement-based composite material is significantly improved, and the problem that the composite material is low in thermoelectric property due to use of the carbon fibers which are not subjected to acid treatment is solved. Bromine intercalating process treatment does not need to be carried out on the carbon fibers, so that the problem of environment pollution of bromine vapor is solved. By adopting a dry mixing and dry pressing molding technology, the additive amount of the carbon fibers on the cement matrix can be significantly improved, meanwhile, the carbon fibers can be uniformly dispersed into the cement matrix and the molding pressure intensity is relatively high, so that the thermoelectric property of the composite material is improved, and the problem of relatively low thermoelectric property of the cement-based composite material caused by casting molding is solved.

A method of manufacturing a sprocket segment that is formed by forging as one of a plurality of circumferentially divided parts of a sprocket having a plurality of teeth arranged on an outer peripheral surface of a circular flange, the method includes: forming a material of the sprocket segment into an initial formed state in an initial forming step; and subjecting the sprocket segment in dies to a finish forming process with a tooth trace direction of the sprocket segment as viewed in cross-section of the sprocket segment being inclined relative to a forging direction of the dies in a finish forming step.

The present invention relates to an elliptical unit block for preparing a core using soft magnetic metal powder and a core with excellent high current DC bias characteristics using the same, and more specifically, to an elliptical unit block for preparing a core using soft magnetic metal powder used in an inductor for an automotive electronic sub-assembly using a high current buck or boost inductor or a three phase line reactor or fuel cell system for power factor correction (PFC), and a powered magnetic core prepared using the same.

A lens arrangement includes two lenses. Each lens includes an optical portion having an optical axis, a non-optical portion surrounding the optical portion, and an engagement portion extending along and inclining relative to the optical axis from the non-optical portion. The engagement portions of the lenses are engaged with each other and an included angle is defined between the engagement portions. One of the lenses includes an elastic element which can be flexibly deformed relative to the other lens.

The invention discloses a manufacturing method for a middle tube of a badminton racket. The method comprises the following steps that a core material mold is prepared; carbon fiber cloth is wound on the core material mold to form a carbon rod structure; a pressure belt is wound outside the carbon rod structure; the carbon rod structure wound with the pressure belt and the core material mold are put into pressurizing and heating equipment together to be pressurized and heated, so that the carbon rod structure is cured and formed; and the pressure belt outside the carbon rod structure is removed, and the core material mold in the carbon rod structure is pulled out. Meanwhile, the invention discloses manufacturing equipment applied to the manufacturing method of the middle tube of the badminton racket. According to the manufacturing method and equipment of the middle tube of the badminton racket, the middle tube does not need to be ground in the manufacturing process, the continuity of carbon fibers in the middle tube and the integrity of a resin protection layer on the surface of the middle tube are ensured, the curing effect of the carbon fibers and resin is enhanced, the use amount of the carbon fibers is reduced, the production process is optimized, the production cost of the middle tube of the badminton racket is saved, and the production efficiency is improved.

The present invention is a molded stator including a stator and a substrate. The molded stator includes: a donut-shaped lead-wire wiring component that wires power-supply lead wires to a winding wire of the stator and that wires sensor lead wires to the position detection circuit; a lead-out component that leads out the power-supply lead wires and the sensor lead wires to outside of the molded stator; a power-supply lead-wire holding component that holds the power-supply lead wires; and a sensor-lead-wire holding component that holds the sensor lead wires. The lead-out component is connected to a latching part that latches the sensor-lead-wire holding component and includes projections as plane parts that are substantially perpendicular to a radial direction of the stator on the radially outer side.

The invention relates to a high-altitude bare cable insulating layer adding device, and the device comprises a box body, a walking mechanism, hot melting mechanisms and a forming mechanism. The box body is hollow, and the bottom is open; first openings communicated with the bottom of the box body are formed in the two opposite side walls of the box body respectively, and cavities, located above the first openings, in the box body are divided into storage hoppers used for storing insulating particles through partition plates; feeding ports and discharging ports are formed in the tops and the bottoms of the storage hoppers respectively. The hot melting mechanisms is fixedly arranged in the storage hopper and is used for hot melting of the insulating particles; the walking mechanism is fixedly mounted at one of the first openings and is used for driving the box body to slide along the cable; and the forming mechanism is fixedly arranged at the other first opening, is positioned below thehot melting mechanism, is communicated with the discharge ports through a blanking channel, and is used for adding the hot-melted insulating particles on the cable. The beneficial effects of the invention are that the device can walk on a high-altitude exposed high-voltage cable, enables the insulating layer to be disposed on the high-voltage cable, is simple in operation, is high in installationefficiency, and is safe and reliable.

The invention discloses a composite material pressure transmission molding method and a pressing mold. The pressing mold comprises a bottom plate, a compression cavity, a pressing plate and a model, wherein the model is placed in the compression cavity and matched with product specification. The method comprises the following steps of adding a transmission object into a pressing cavity body in themold pressing process to serve as a pressure transmission medium, pasting the model with a molding material and then embedding the model into the transmission object, covering the upper pressing plate, and finally tightly locking the pressing cavity body for pressing and curing. According to the composite material pressure transmission molding method and the pressing mold, the problem that a coreand a cavity are needed during existing mold pressing pressurization can be solved, and since only one model is needed, the mold manufacturing cycle and cost can be reduced; high forming pressure, upto 20 Mpa or more, can be provided, so that the density of a product is guaranteed, and the mechanical strength of the product is improved; and meanwhile, investment for expensive hot pressing tank equipment is not needed, pressurization can be performed by using an externally-arranged pressure source, and heating is carried out through multiple heating modes of using an oven, a heating plate, aheating rod and the like, different requirements of various materials on molding conditions are met while the cost is saved, and therefore wide adaptability can be achieved.

The invention discloses a method for preparing a graphite product through mould compression moulding and the graphite product. The preparation method includes steps of crushing, screening, compounding, dry mixing, mixing kneading, forming, primary calcining, impregnating, secondary calcining and graphitizing to obtain the finished product. An aggregate in the compounding step is formed by calcinedcoke, pitch coke and needle coke in a weight ratio of (75-77):(15-20):(5-8). By adjustment of a formula and forming conditions, high forming efficiency and high product manufacturing speed are realized, energy consumption in a production process can be substantially saved, and cost reduction and economic benefit increasing are realized.

The present disclosure provides a method for operating a molding system. The molding system includes a molding machine and a mold disposed on the molding machine, wherein the mold has a mold cavity for being filled with a molding material from the molding machine. The method comprises a step of obtaining a predetermined state waveform expressing a predetermined volumetric variation of the molding material. Next, the method further comprises obtaining a measured pressure and a measured temperature of the molding material in the mold cavity while performing a molding process for filling the molding material into the mold cavity. Next, the method includes obtaining a detected volumetric property of the molding material corresponding to the measured pressure and the measured temperature. Subsequently, the method comprises displaying the detected volumetric property of the molding material with the predetermined state waveform.