68results about How to "Realize manufacturing——" patented technology

The invention discloses a magnesium alloy LED (Light Emitting Diode) tube profile and an extrusion molding process thereof. The extrusion molding process comprises the following steps of: (1). according to the component proportioning requirements, smelting a magnesium alloy raw material; (2). preparing a magnesium alloy casting rod with the obtained magnesium alloy raw material; (3). heating the magnesium alloy casting rod to 400 DEG C to carry out heat preservation for 6 hours, and slowly cooling to room temperature along with a furnace after homogenization treatment; (4). heating the magnesium alloy casting rod subjected to homogenization treatment to 350 DEG C to carry out heat preservation for 2 hours, then slowly heating to 410 DEG C to carry out heat preservation for 2 hours, afterwards cooling to 380 DEG C to carry out heat preservation for 1 hour, and simultaneously heating an extrusion mould to 400 DEG C to carry out heat preservation; and (5). finally taking out the extrusion mould, assembling the extrusion mould on an extrusion machine, filling the magnesium alloy casting rod into the extrusion container of the extrusion mould for extrusion molding, so as to obtain the magnesium alloy LED tube profile by extrusion molding. The magnesium alloy LED tube profile and the extrusion molding process thereof have the advantages that the production efficiency and yield are improved and the machining cost is reduced on the premise that the size precision is ensured to meet the design requirements.

The invention provides an additive manufacturing method of an intermetallic compound part. The method comprises the following steps: 1) designing a travelling path of a high energy beam heat source reasonably according to the shape of a part; 2) adjusting the wire feed rates of different wire-like materials and the powder feeding amount of a powdery material or powder proportion to met the component proportion of an intermetallic compound; 3) selecting proper process parameters, feeding a filling material into the heat source and melting the filling material, and then carrying out freezing, cooling and forming; 4) changing the heights between the heat source and deposited parts according to each depositing thickness, wherein the height is consistent to a set value, and then carrying out stacking forming continuously; and 5) continuously repeating the steps 3 and 4 to finally obtain the intermetallic compound part. According to the method provided by the invention, two different types of wire-like materials or one wire-like material and one powdery material or the powdery material is adopted fully. The method provided by the invention for preparing the intermetallic compound is short in production period and high in utilization ratio of materials, and the performance of the part is improved compared with that of a casting.

The invention provides a method for attaching graphene to foamed metal copper framework through vacuum filtration to control the pore size structure of three-dimensional graphene, which mainly comprises the following processing steps: 1, placing foamed metal copper into a Buchner funnel with spread filter paper, pouring graphene oxide dispersion liquid, and performing vacuum filtration; and 2, coating a polymethyl methacrylate (PMMA) layer on the obtained intermediate compound, reducing with hydriodic acid, immersing in a ammonium persulfate solution to remove the foamed copper framework, then placing in a pipe furnace, introducing argon and hydrogen mixed gas to perform further reduction, and removing the polymethyl methacrylate (PMMA). The process flow is simple and easy to operate, stable in process and low in cost, and can control the pore size and morphological structure of the three-dimensional graphene, thus providing a method for efficiently and stably preparing porous three-dimensional graphene and controlling the pore size thereof; the structural three-dimensional network of the product is continuous and uniform; and the product has favorable adsorbability and electrical conductivity, and has wide application prospects in the aspects of water treatment and electrochemistry.

A microphone package includes a housing, which has a cavity and a sound hole for allowing the cavity to communicate with the exterior, and a microphone chip, which is mounted on the mounting surface so as to detect sound within the cavity. The sound hole is opened in connection with the mounting surface and is surrounded by a projection wall projecting upwardly from the mounting surface at a prescribed position in proximity to the microphone chip.

To mount a rotor angle sensor and a pulser sensor of a brushless type electric rotating machine in a compact apace, and to improve the detection accuracy of an angular position of a rotor. A starter/generator 1 includes a stator 50 disposed around a crankshaft 201, and an outer rotor 60 which is fixed to the crankshaft 201 and which has a magnet member 62 facing to the outer periphery of the stator 50. A rotor angle sensor 29 and a pulser sensor 30 integrally contained in a sensor case 28 are provided on an inner peripheral surface of the stator 50. Magnet rings 33 are inserted in an outer peripheral portion of a hub 60a of the rotor 60. Since the rotor angle sensor 29 and the pulser 30 are integrally disposed, the sensor case 28 containing these sensors 29 and 30 can be miniaturized. Further, since the rotor angle 29 is mounted on the stator 50, it is possible to improve the accuracy of a positional relation ship between the rotor angle sensor 29 and the stator 50 and hence to improve the detection accuracy of an angular position of the rotor 60 with respect to the stator 50.

The invention belongs to the technical field of medical treatment and laboratory equipment, and relates to a novel cell culture vessel related to cell culture. The cell culture vessel mainly consists of a vessel frame, protecting films, end covers, press frames and other components, wherein a plurality of ports can be arranged on the two side surfaces of the vessel frame, the protecting films are pressed on the upper and lower two end surfaces of the vessel frame through the press frames, and then the end covers are screwed on the ports of the vessel frame to form a closed cavity in the whole frame body; also, the ports can be connected with external instruments and equipment to realize continuous perfusion of a culture solution and cell gathering during cell culture. The cell culture vessel is characterized in that cell proliferation and cell differentiation can be realized without the need of filling gaseous substances such as O2, CO2 and N2 required by cell culture, and cell sorting and culture can be carried out in the same culture vessel. The cell culture vessel has a simple structure and convenient use, and the inner space of the culture vessel can realize proliferation and co-culture of various types of cells.

The invention relates to a preparation method of graphene oxide coated lithium salt. The preparation method comprises the following operation steps: A. adding 3-20 percent by mass of polyethylene glycol to an N-methyl pyrrolidone solution, and stirring so as to dissolve the polyethylene glycol, thus obtaining a solution A; B. adding lithium salt to the solution A, and stirring so as to disperse the lithium salt, thus obtaining a solution B; C. mixing absolute ethyl alcohol suspension liquid with uniformly dispersed graphene oxide ( the mass percent of soluble solids is 0.5%-5%) and the solution B, wherein the usage amount ratio of the suspension liquid to the solution is 1: (1-2.5), uniformly stirring, heating to 70-100 DEG C, keeping the temperature, evaporating the solution so as to obtain humid solid, and drying the humid solid at a normal temperature, thus obtaining the graphene oxide coated lithium salt. Compared with other coating means, the preparation method has the advantages that the method is energy-saving and environmentally friendly, the special process is not needed, the material lost is avoided, and the industrial production of the graphene oxide coated lithium salt is easy.

The invention relates to a grating device capable of achieving 2D/3D conversion. The grating device comprises a frame-shaped machine frame, two grating recycling guide rails, a flexible slit grating, an upper locator, a lower locator, a grating tensioning and weighing unit and a plurality of grating recycling units. The grating device enables an LED display screen to directly have the three-dimensional display function, can achieve switch display between a 2D display mode and a 3D display mode according display contents, is simple in manufacturing process and can easily achieve production and manufacturing of large LED three-dimensional displayers.

The invention belongs to the field of motors, and discloses a manufacturing method for a stator. The manufacturing method includes the following steps that according to the split manufacturing step of an iron core, a first split body and a second split body which can be axially stacked to form the iron core of the stator are manufactured; according to the winding step, stator windings are wound around the first split body and the second split body respectively, and a first winding coil and a second winding coil are formed on the first split body and the second split body respectively; according to the assembling step, the first split body where the first winding coil is wound and the second split body where the second winding coil is wound are axially stacked to form the stator. Large spaces are provided for winding performed on the first split body and the second split body, the winding efficiency of the iron core of the stator is improved, the slot fullness rate of the stator is increased, the material cost of the stator is lowered, and the performance of a motor is improved; meanwhile, the roundness precision of the stator is guaranteed, the first split body and the second split body do not need to be welded, and therefore the assembling process is simplified.

The invention relates to the processing field of butane and discloses a device and a method for processing butane. The method comprises the following steps: (1) carrying out dehydrogenation reaction on butane, so as to obtain a dehydrogenation product; (2) enabling the dehydrogenation product to be in contact with maleic anhydride, wherein C4 terminal olefin in the dehydrogenation product generates copolymerization with maleic anhydride; (3) carrying out gas-liquid separation on a product obtained in the step (2), so as to obtain a gas-phase product and a liquid-solid mixture; (4) carrying outgas-phase separation on the gas-phase product obtained in the step (3), so as to obtain a C4 fraction, and adding butane obtained through hydrogenation reaction as a circulating material into dehydrogenation reaction in the step (1); and (5) separating the liquid-solid mixture obtained in the step (3), so as to obtain a solid product, namely a polymer containing maleic anhydride functional groups. According to the method, the processing and utilization of butane and the coproduction of the polymer containing the maleic anhydride functional groups can be realized, and butane can be taken as araw material of functional materials.

The invention discloses a Schottky semiconductor device with grooves. The Schottky semiconductor device with the grooves comprises an MOS structure, a PN junction and a Schottky barrier junction. The electric field distribution of reverse bias voltage is changed through the MOS structure, and therefore the forward-direction conductive character of a component is improved. The bearing capacity of transient high voltage of the component is improved through the PN junction. When the semiconductor device is under the forward-direction small electric current density state, the PN junction is not opened, and therefore minority carrier injection of the component is reduced, and the reverse recovery character of the component is improved. The invention provides a preparation method of the Schottky semiconductor device with the grooves.

The invention discloses a radiating fin and base tube integrated radiating tube forming machine as well as a working method thereof. According to radiating fin and base tube integrated radiating tubes processed and produced through the radiating fin and base tube integrated radiating tube forming machine, the heat resistance is reduced and the heat conductivity is greatly improved; through the spiral arrangement of radiating fins, the circulation of a medium (air or a liquid) is facilitated and the resistance is reduced; and furthermore, the medium which flows through the radiating fins is in a turbulent state, the heat exchange between the radiating tubes and the medium is accelerated, the heat transfer efficiency is higher, and the radiating efficiency is higher. The radiating fin and base tube integrated radiating tubes have high shock resistance, durability and pressure resistance. During the processing of the radiating fin and base tube integrated radiating tubes, the volume transfer of a metal material in a plastic state is realized, and the material utilization rate is higher. The manufacturing cost is greatly reduced and the product quality is integrally improved.

The invention discloses a high strength and high extending nodular iron casting and a preparation method thereof. The high strength and high extending nodular iron casting comprises, by mass percentage, 3.1-3.3% of C, 4.1-4.3% of Si, 0<Mn<=0.2%, 0<P<=0.05%, 0<S<=0.02%, 0<Cu<=0.05%, 0<Sn<=0.01%, 0.03-0.045% of Mg, 0<Cr<=0.05%, 0<Ti<=0.05%, 0<Ni<=0.02%, 0<Al<=0.04%, 0<Mo<=0.03%, 0<Co<=0.01% and thebalance Fe and trace elements. The preparation method comprises burdening, fusing, detecting whether the content of components is qualified or not, nodulizing and inoculating, casting, cooling and heat treatment. The nodular iron casting can achieve both high strength and high extending performance.

The invention relates to an expansion anchor (10) having an anchor body (11) extending in an axial direction (A) and comprising a receptacle (12) for an expansion element, wherein said receptacle runs in an axial direction (A), said expansion anchor having substantially axially running slots (28) for forming radial, elastic regions (26), wherein the anchor wall (34) has a clamping protrusion (32) protruding radially outwardly in the region of at least one slot (28) in an unloaded state of the expansion anchor (10) and the anchor wall (34) closes flush radially to the axially adjacent inner wall region (36) of the expansion anchor (10) on the inside in the region of the clamping protrusion (32).

The invention discloses a refractory material for 3D printing and a printing method thereof. According to the material, the proportion of a traditional refractory casting part is improved, the material is composed of alumina aggregate, aluminate cement, silica fume, activated aluminum oxide micro-powder, additives, fibers and water in percentage by weight; and the additives comprise a solid waterreducing agent, a thickening agent and a thixotropic lubricant, and the additives improve the viscosity, fluidity and stackable property of the material and enhance the printability of the refractorymaterial. A 3D printing technology is used for producing a refractory component in the invention; convenience and rapidness are achieved, an automation degree is high, one-time integral forming of thecomponent is achieved, and large-scale continuous production is facilitated; the printed refractory component is good in compactness, the normal-temperature compression strength of the refractory component is remarkably improved, and production and manufacturing of refractory components which are complex and irregular in structure and difficult to manufacture through molds are achieved; and the whole production process is environmentally friendly, and sustainable development is facilitated.

The invention discloses a glass fiber tape feeding system facilitating replacement of a glass fiber tape roll. An unwinding and feeding frame is detachably and fixedly connected to a notch of an epoxy dipping tank, an unwinding and feeding frame replacement device comprises a base frame arranged horizontally, a movable groove slidably connected with a track beam is fixedly connected to the bottom of one side of the base frame, and a transverse moving frame is arranged in the base frame. The transverse moving frame reciprocates in the base frame through a driving device C in the direction parallel to the track beam, two lifting frames are further arranged at the bottom of the transverse moving frame in the extending direction of the track beam, and the lifting frames move up and down through driving devices D correspondingly. The two sides of the bottoms of the lifting frames are further provided with grabbing clamps which are driven by a driving device E and used for clamping the unwinding and feeding frame. According to the structure, the glass fiber tape feeding system facilitating replacement of the glass fiber tape roll achieves rapid replacement of the unwinding and feeding frame for the glass fiber tape, the replaced glass fiber tape can also be directly used for production, and the production efficiency is improved.