395results about How to "Shorten the processing flow" patented technology

The invention discloses a multi-grain mixing-crushing-grinding device which comprises a base, wherein a working tank is fixedly arranged at the top of the base through a bracket I; a grinding seat isfixedly arranged at the inner bottom of the working tank; a mounted bearing is fixedly arranged in a cylindrical through hole in the bottom of the grinding seat through a bracket II; a first rotatingshaft is rotationally connected with the upper part of the mounted bearing; a grinding roller is mounted on the first rotating shaft; third rotating shafts are rotationally connected with the inner front and rear side walls of the working tank; second crushing rollers are mounted on the third rotating shafts; second rotating shafts are rotationally connected with the inner left and right side walls of the working tank; first crushing rollers are mounted on the second rotating shafts; supporting plates are fixedly arranged on the left and right sides of the top of the base through brackets III;storage tanks are fixedly arranged at the tops of the supporting plates through brackets IV; and discharging mechanisms are connected with the bottoms of the storage tanks. The multi-grain mixing-crushing-grinding device disclosed by the invention has the advantages that the grain mixing ratio can be controlled by controlling the rotating speed of each quantitative roller through a servo motor; grains can be squeezed and crushed by rotating the crushing rollers; the grinding and mixing operation can be performed by rotating the grinding rollers; and accordingly, the processing efficiency canbe improved.

The invention relates to a silk reeling method and device, particularly to a silk reeling method and an exclusive device for reeling raw silk, which aim to solve the technical problems in the prior art that the energy consumption is large, the technological process is long, and more workers are needed all caused by silk reeling, rereeling and repeated drying; more time and labors are consumed because the bore diameter of a filament guide button is small; during the silk reeling process, the manual manner is adopted to form a silk sheath structure, and the hygrometric state raw silk is gathered by the function of the silk sheath in the method of gathering hygrometric state raw silk, the operation is complicated and the labor productivity is low. According to the invention, bave is processed by a hygrometric state raw silk gathering device after passing through an end feeding wing and a leading-in type filament guide button so as to enable the hygrometric state raw silk to be closely gathered, and moisture in a silk strip to be emitted by extrusion, tiny fouls on the bave surface are eliminated through kneading in a rotary manner, then, the bave is directly wound on a large shade and forms large flourishing yarn sheets through infra-red heating and drying, and the yarn sheets become reeled raw silk after silk falling arrangement.

The invention discloses a preparation method for a Cu-MoCu-Cu composite sheet, which comprises the following steps: 1, adding additives to molybdenum powder, milling for mixing and rolling to form a thin molybdenum plate billet; 2, degreasing the thin molybdenum plate billet; 3, sintering to form a porous molybdenum plate; 4, placing the porous molybdenum plate between two copper plates for copper infiltration and coating to obtain a copper-coated molybdenum-copper alloy plate; and 5, warm rolling, annealing and leveling to obtain the Cu-MoCu-Cu composite sheet. The preparation method is simple, no special equipment is needed, and industrial production can be easily realized. The powder-rolled sheet type molybdenum skeleton capable of facilitating infiltration is subject to the copper infiltration and coating, the preparation process of the copper-coated molybdenum-copper alloy plate is shortened, the follow-up processing cost of the copper-coated molybdenum-copper alloy plate is reduced, the yield is increased, the interface of the prepared copper-coated molybdenum-copper alloy plate has high bonding performance, and the Cu-MoCu-Cu composite sheet can be prepared through rolling the copper-coated molybdenum-copper alloy plate.

The invention discloses a production method of an LED (light emitting diode) chip. The production method comprises the following steps of providing a substrate, and sequentially producing an N-type semiconductor layer, a luminescent layer and a P-type semiconductor layer on the substrate to form an LED wafer; depositing an ITO (indium oxide) transparent conductive layer on the LED wafer; performing the MESA photoetching on the ITO transparent conductive layer through photoetching glue to form an MESA layer; performing ITO etching on the ITO transparent conductive layer; performing the ICP etching on the LED wafer to form an N-type semiconductor table-board; removing the photoetching glue remained after the MESA photoetching; depositing a passivation layer on the ITO transparent conductive layer and the N-type semiconductor table-board; performing the PAD photoetching on the passivation layer through the photoetching glue to form a PAD layer; performing the passivation etching on the PAD layer, and removing the passivation layer in the area of the PAD layer; producing a P electrode and an N electrode on the etched passivation layer; and removing the photoetching glue remained after the PAD photoetching. By adopting the method, a self-aligning function of the photoetching can be realized, the machining flow of the chip can be shortened, and the machining cost of the chip can be reduced, the ITO light emitting area is increased, and the brightness of the chip is improved.

The invention discloses a portable nursing pad containing a polylactic acid fiber and a preparation method thereof. A conventional nursing pad has a relatively long processing flow, and the long production process wastes a lot of manpower, material resources and financial resources. The nursing pad is composed of an upper-layer assembly body and an impermeable bottom layer, wherein the upper-layer assembly body is composed of a surface layer composed of a polylactic acid fiber net, a flow-guiding moisture-absorption layer composed of a water-repellency bicomponent fiber and a superabsorbent fiber net, and an absorption layer composed of a hydrophilic bicomponent fiber and a superabsorbent fiber net, and the three layers are subjected to hot melt compounding to form a whole; the upper layer and the impermeable bottom layer are subjected to hot melt adhesive compounding to form a whole. The prepared nursing pad has the characteristics of short process flow, good molding, bacteriostasis, deodorness, gas permeation and dryness, does not produce lumps and allows powder not to fall off in a use process, and is an ideal material for preparing disposable medical treatment health supplies.

The invention discloses a laminated board formed by the fine disintegration and rearrangement of whole raw bamboos and a production technical method thereof. Moso bamboos are used as raw materials. The method comprises the following steps that first, raw arc-shaped bamboo sheets are finely cut, disintegrated, rolled and unfolded by a machine to form longitudinal bamboo filaments, the bamboo filaments are laterally connected into planar trapezoid bamboo blocks of basically identical thickness, and the widths of the planar trapezoid bamboo blocks gradually change from one ends to the other ends; then, the wide ends and the narrow ends of two adjacent bamboo blocks are alternately put according to the width direction of the same end of one planar trapezoid bamboo block, the bamboo green sides or the bamboo yellow sides are arranged on the same upper side or the same lower side, and the bamboo blocks are glued to form a whole board, thereby forming a fine disintegrated bamboo filament block single-layer board; and at least two layers of fine disintegrated bamboo block single-layer boards are layered and laminated in a way that the bamboo green sides of two adjacent layers of single-layer boards are close or the bamboo yellow sides and the bamboo green sides in two adjacent layers are close, and the laminated board formed by the fine disintegration and rearrangement of the whole raw bamboos is obtained after different layers of single-layer boards are glued by an adhesive and hot-pressed into a whole. According to the invention, the bamboo bodies are stored to an utmost extent, a cut quantity is reduced, and the mechanical properties of the raw bamboo materials are exerted.

The invention discloses a self-lubrication alloying hot galvanized steel plate for automobiles and a preparation method of the self-lubrication alloying galvanized steel plate. The self-lubrication alloying galvanized steel plate is prepared from the following chemical components in percentage by mass: 0.0007-0.002% of C, less than or equal to 0.01% of Si, 0.08-0.15% of Mn, less than or equal to 0.015% of P, less than or equal to 0.009% of S, 0.02-0.04% of Als, 0.06-0.09% of Ti, less than or equal to 0.004% of N, and the balance of Fe and inevitable impurities. The preparation method comprises the following steps: pre-treating molten iron, smelting in a converter, refining, performing continuous casting, performing hot continuous rolling, pickling, performing cold continuous rolling, annealing, performing hot galvanizing, alloying, rolling a self-lubrication coating by using a roller, drying, and finishing. By controlling the roller system polishing precision and the surface roughness of a roll coating machine, the roller coating process parameters, the temperature of a drying furnace, the machine set speed and the finishing process parameter, the self-lubrication property is achieved. The preparation method is low in production cost and simple in production process, when a self-lubrication alloyed plate prepared by using the preparation method is compared with an ordinary alloyed plate, the lubrication is remarkably improved, the stamping property is also remarkably improved, and the manufacturing of complex components can be completely met.

Production of clean fuel by heavy-fraction oil is carried out by hydrogenation refining for heavy-fraction oil, separating to obtain heavy material and light material, delivering heavy material to catalytic unit to be treated, and entering light material and light circulation oil of catalytic unit into reactor to hydrogenation upgrade. It's cheap, has shorter process flow path and better quality. The final products include diesel fraction, gasoline fraction and naphtha fraction to be used as catalytic reforming raw material.

The invention discloses a dicyclopentadiene (DCPD) and carbon fiber cloth composite manhole cover and a manufacturing method thereof. According to the manufacturing method, a component A and a component B are adopted, are mixed through an injection machine mixing head according to the weight ratio of 1:1 and then are injected into a manhole cover mold pre-placed and fixed with carbon fiber cloth subjected to surface treatment, polymerization reaction and molding processes are preformed in the manhole cover mold, and thus the polydicyclopentadiene and carbon fiber cloth composite manhole cover is obtained; the component A comprises dicyclopentadiene and a main catalyst; the component B comprises dicyclopentadiene and an activating agent. With adopting of the reaction injection molding processing method, the processing process adopts one-time molding, the processing flow is greatly reduced, and the processing speed is improved; with adopting of dicyclopentadiene and the carbon fiber cloth as the materials, the manhole cover strength and rigidity are obviously improved, the manhole cover has the advantages of abrasion resistance, corrosion resistance, excellent rigidity, excellent impact strength, wide applicable temperature range and good heat resistance, and the service life is prolonged.

The invention discloses a preparation method of TPU and PVC blended improved composite fabrics. According to the method, TPU and PVC are blended to fully perform respective characteristics of TPU and PVC, so as to achieve the purpose of complementary advantages; calendaring molding is carried out by a four roll calender method to obtain a TPU and PVC blended film; and on-line lamination is carried out on the TPU and PVC blended film and glued base cloth on a calendar so as to obtain the TPU and PVC blended improved composite fabrics. The composite fabrics have characteristics of excellent mechanical property, wear resistance, environmental protection and the like. The coating of the composite fabrics is uniform and thickness error is less than 0.015mm. The composite fabrics has advantages of firm adhesion, wear resistance and flexing resistance, and can be widely used in application fields of inflatable life jacket, chemical splash suit, water pot, oil tank, sphygmomanometer, medical bed, oxygen bag, inflatable cushion, airbed, inflatable tent, air bag, air cushion ship, waterproof moisture permeable high-grade costuming and the like.

The invention discloses a firework assembling machine. The firework assembling machine comprises a blanking discharge barrel system, a conveying roller group and a moving inserting fuse system which are sequentially arranged along a worktable surface of a main machine frame, wherein a pushing device working corresponding to the blanking discharge barrel system is arranged at the back of the worktable surface, and a forming system working corresponding to the moving inserting fuse system is arranged in front of the worktable surface. The scheme changes horizontal feeding processing through firework barrels one by one in the prior art into longitudinal feeding processing through a plurality of firework barrels in rows, so that processing flow path is shortened, production efficiency is greatly improved, operation is stable, adverse factors like tube body rolling and error accumulation are avoided, work load for maintenance and adjustment in operation is greatly reduced, and the firework assembling machine can perform production continuously without being limited any more. The firework assembling machine solves technical problems and lays good foundation for full automation and mechanized process of fireworks production.

<heading lvl="0">Abstract of Disclosure< / heading> A semiconductor structure which includes a raised source and a raised drain. The structure also includes a gate located between the source and drains. The gate defines a first gap between the gate and the source and a second gap between the gate and the drain.

The invention discloses a method for producing needle coke by utilizing delay coking of coal tar. The method comprises the following steps of: putting fraction gasified tar into a coking fractionator, countercurrently contacting with high-temperature oil gas from a coking tower, carrying out heat exchange and eluting coke powder, and simultaneously separating to obtain light fraction, intermediate fraction and tail oil, wherein the intermediate fraction is used as a coking raw material to produce the needle coke with anisotropic optical structure under the process condition of being suitable for producing the needle coke. In the method, the separating treatment is carried out on the fraction gasified tar without an independent fractionator, and the high-temperature oil gas from the cokingtower is simultaneously separated in the coking fractionator, not only the flow is simple, the investment is saved, but also the light fraction and the tail oil which are not beneficial to producing the needle coke in the fraction gasified tar can be simultaneously separated out, and the obtained needle coke has high yield and good quality.

A papermaking device comprises a forming portion, a wet transfer portion and a drying portion, wherein the forming portion is used for forming the papermaking raw materials into paper webs, the wet transfer portion is used for transferring the formed paper webs to the drying portion for drying, an airflow generation box is arranged on the wet transfer portion, the surface of the airflow generation box, which faces the paper webs, is provided with holes, the airflow generation box is used for jetting airflow to the paper webs through the holes and forming patterns on surfaces of the paper webs, and the patterns are used for replacing embossed patterns formed in an embossing process after the paper webs are dried. The invention further provides a papermaking method. Tissue paper manufactured through the papermaking device and the papermaking method can form the patterns similar to the embossed patterns in front part of papermaking, so that the rear part embossing working procedure can be omitted, and the papermaking process can be shortened.

The invention discloses a valve rod plane semi-automatic lathe. The valve rod plane semi-automatic lathe comprises a frame, and a main shaft rotationally connected to the frame. The valve rod plane semi-automatic lathe further comprises a supply device, a feeding device and a turning device; the turning device comprises a slide rail fixed on the frame, a horizontal cutter base slidingly connectedto the slide rail, a chamfering turning cutter fixed on the horizontal cutter base, a drilling turning cutter, a grooving cutter slidingly connected to a mounting base of a main shaft through a vertical cutter base in a lifting mode, a cutter feeding mechanism arranged on the frame and used for driving the horizontal cutter base and the vertical cutter base to move, and a cutter unloading mechanism; the drilling turning cutter and the rotating axis of the main shaft are positioned on the same straight line; and the chamfering turning cutter is positioned on one side of the drilling turning cutter. In the lathe, rods can be automatically mounted on the main shaft; the chamfering, the drilling and the thread cutter treating groove formation can be performed on the rods at the same time; andafter multiple procedures are integrated on the same equipment, the valve rod machining flow can be reduced, the valve rod machining time is shortened, and the purpose of improving the valve rod production efficiency is improved.

The invention discloses a pressure vessel integrated end socket for nuclear power, an end socket plate blank of the pressure vessel integrated end socket and a forging method of the pressure vessel integrated end socket. According to the pressure vessel integrated end socket for nuclear power, a manhole base and a pipe hole base are arranged on an end socket body which is of a spherical crown structure; the manhole base and the pipe hole base are integrated with the end socket body in a forged mode; and the intersection point of the hole center line of a manhole and the hole center line of a pipe hole is located in the center of the sphere where the end socket body is located. A plate blank body of the end socket plate blank is of a circular plate structure, one surface of the plate blank body is provided with two manhole circular truncated cones and two pipe hole circular truncated cones, and the other surface of the plate blank body is a large-cone-angle circular truncated cone surface. The forging method comprises the following steps of steel ingot heating, forged blank blanking, forged blank upsetting and drawing, die forging formation, plate blank heat treatment, plate blank rough machining, end socket formation, end socket punching, forge piece heat treatment, machining of a forge piece, performance heat treatment and finished product machining. The integrated formation of the end socket of a vapor generator is achieved, the forge piece is uniform and compact in texture, the metal flow line is complete, and the fiber texture and the appearance of the forge piece tend to be more coincident.

The invention discloses an electronic computer with air filtering and monitoring functions. Available space in a machine case is utilized for containing a component with the air filtering and monitoring functions, the air filtering and monitoring functions are organically combined by taking the electronic computer as a carrier, ultrafine filter films are adopted on the lower portion of a front panel of the machine case or / and a second side panel of the machine case to be used as air filtering media, information processing and network communication functions are utilized for performing intelligent control and humanized prompt on the air filtering function and effect, a detection head of a temperature measuring element is arranged beside a computer CPU, the computer enables the temperature change amplitude to be compared with the set value in real time, and intelligent monitoring and replacement prompt of the filter screen blocking condition can be achieved. A melt electrostatic spinning method or a water base environment-friendly solution electrostatic spinning method or other methods can be adopted for manufacturing hollow filling material ultrafine fibers of a filter screen cup and a filter screen plate, the toxic action does not exist, the hollow position of the filter plate can be directly filled with the output fibers, the product machining technological process is reduced, production time is saved, and production cost is reduced.

The invention discloses a pick shoe forging process, which comprises the following steps of: (1) laying off; (2) blanking; (3) performing ball blasting and coating; (4) upsetting and punching; (5) performing ball blasting and coating; (6) heating and performing positive extrusion; (7) upsetting and thermally extruding a large-diameter hollow cylinder and a transition section between two hollow cylinders with different sizes and diameters by using a conical upsetting die to form a large end of a pick shoe; (8) annealing; and (9) finishing and determining length till a product reaches the drawing requirement. In the process, a small cylindrical end of the pick shoe is formed in advance, a large end is preformed, and the preformed large end is used for forging and shaping a large end of the pick shoe, so that the metal flow resistance is reduced, the unit extruding force borne by the die is reduced, the shaping accuracy is high, the material utilization ratio is over 90 percent, the processing process flow is shortened, the production efficiency is high, and the overall product quality is enhanced remarkably.

The invention relates to a cold forging technology for a gear sleeve, and the cold forging technology is characterized in that a technology of cold forging and precision near net forming and a new technology of block split flow forging are adopted, an internal gear hole and the exterior are formed in one step by compound cold forging, subsequent processing is not necessary, the precision of the gear form is above Grade Seven, a volume split flow space is arranged between the external diameter of the gear sleeve and a concave die, the metal flow resistance is reduced, and the unit extruding force carried by the die is lowered; alloy steel tube blank is adopted for block forging, and no waste is formed by cold forging; the utilization ratio of materials achieves more than 90%, the position deviation of the gear form is not more than 0.03mm, and the production efficiency is improved greatly; after the inspection of the product, various technical parameters of the formed product achieve the technical standard of the like products of Toyota Motor Corporation of Japan, and the forming technology is superior to that of Japan, and reaches the international advanced level.

A method preparing ultrafine copper powder through using copper finished ore directly puts the copper finished ore into high-energy stirring mill and pre-treats it chemically with mechanical force and, activates the copper finished ore and pulls-off drugs. It puts the treated copper finished ore into anodic pool of diaphragm electrolytic cells and dips into electrolytic solution added dispelser, the diaphragm electrolytic cell is in ultrasonic field, energizes DC between the anode and cathode pole; the copper dipped out by the anode reaction is decoded on the cathodic pole in the way of super-fine powder on the function of ultrasonic field, then collects super-fine copper powder. The present invention uses copper finished ore as raw material, activates and pre-treats the copper finished ore mechanically to activating and pulling-off drugs of it, then prepares the copper finished ore into ultrafine copper powder directly through hypersonic film electrolyzation, realizes the finish of metal extraction, copper powder preparation, powder body dispersion and surface modifying in one device and one time, shorten the metallurgical and materials processing process, it has characteristics of short process and simple technology.

A metallic matrix surface processing method comprises steps as follows: a naturally-colored anodic metallic matrix is provided; the surface of the metallic matrix are divided into a plurality of processing areas corresponding to different colors of a pattern according to the pattern required to be formed on the metallic matrix, and the plurality of processing areas are divided into colored processing areas and an uncolored processing area according to the colors; an oxidation film on one colored processing area is stripped through laser engraving; the metallic matrix is subjected to colored anodizing processing, and a colored oxidation film with the corresponding color is formed on the colored processing area after the oxidation film is stripped; oxidation film stripping and colored anodizing processing are repeated, so that colored oxidation films corresponding to the colors are formed on the other colored processing areas; the uncolored processing area is subjected to laser marking to obtain the appearance with different gray and black tones; the metallic matrix is subjected to mechanical polishing, and the flatness of the metallic matrix is improved. According to the method, the process is simpler, and colorful patterns can be formed on the surface of the metallic matrix.

The invention discloses a single-face clamping hole forming method of a double-side stepped hole part, and belongs to the technical field of hole processing. The single-face clamping hole forming method main comprises the following steps that S1, an upper counterbore, a stepped hole and a lower counterbore are subjected to rough milling; S2, the lower counterbore is subjected to milling; S3, the upper counterbore and the stepped hole are subjected to fine boring, a boring tool is mounted, the knifepoint direction of a tool bit of the boring tool is confirmed when SPOS of a machine tool is 0, the knifepoint direction is adopted as the forward direction of the X axis, then, the boring tool stretches along the Y axis into the upper counterbore and the stepped hole to perform boring, after boring, the machine tool stops, the tool bit of the boring tool still points the forward direction of the X axis, then, the boring tool retracts in the negative direction of the X axis, L1 equals to 0.1mm, and then, the boring tool retracts upwards along the Y axis; and S4, the lower counterbore is subjected to reverse boring. According to the single-face clamping hole forming method, the upper counterbore is bored to the required size in a set boring manner, the stepped hole is bored to the required size in a set boring manner, the lower counterbore is bored to the required size in a set boringand reverse boring manner, the clamping and datum transformation times is decreased, precision like surface roughness and coaxiality of to-be-processed holes is guaranteed, and hole processing efficiency is improved.

The invention discloses an integrated forging and forming method for a reactor pressure vessel barrel flange adapter tube section. The integrated forging and forming method for the reactor pressure vessel barrel flange adapter tube section comprises the steps of (1) heating a steel ingot, and pressing the steel ingot to obtain an eight-edge prism steel billet; (2) blanking a forging billet: cutting a head part and a tail part of the eight-edge prism steel billet so as to obtain an eight-edge prism forging billet; (3) upsetting and drawing the forging billet: upsetting and drawing out the forging billet; (4) carrying out upsetting and rolling: upsetting and rolling the forging billet to obtain a short cylindrical forging billet; (5) carrying out marking and dividing in the circumferential direction: cutting two marking and dividing grooves at two ends of the short cylindrical forging billet; (6) carrying out rolling and necking: forming an adapter tube billet with a convex ring in the middle section; (7) carrying out marking and dividing in the axial direction: cutting four axial dividing grooves arranged along the axial direction; (8) circularly pressing a hemline; (9) marking anddividing a hemline boss: forming four sections of bosses on a hemline adapter tube billet; (10) punching a main hole; (11) carrying out chambering and forming; (12) carrying out shaping and chambering; (13) punching an adapter tube hole; (14) carrying out heat treatment after forging; (15) roughly machining the billet; (16) carrying out quenching; (17) carrying out hardening and tempering; and (18) processing a finished product. According to the method, integrated forming and forming is realized, the structure is uniform and dense, and a metal flow line is complete.

The invention discloses a combined hub which comprises a rim and a spoke which are arranged in a split mode, an insert is arranged on the inner surface of the rim in a protruding mode, the insert andthe rim are relatively fixed into a whole, the spoke is formed by casting on the basis of the rim, the insert is wrapped in the spoke, and the spoke and the rim are fixed into a whole after cooling and solidification. The rim and the spoke are independently machined, the rim is machined firstly, then the spoke is machined on the basis of the rim in a casting mode, and the integration of the rim and the spoke forms the hub. The hub of a split structure is adopted, when defects occur on the rim, the whole hub does not need to be scrapped, the rate of finished products can be increased, and compared with a welding forming mode, the number of machining procedures is reduced. By means of the hub machining method, the combined hub can be machined, and the same technical effect can be achieved.

The invention discloses a firework assembling machine. The firework assembling machine comprises a blanking discharge barrel system, a conveying roller group and a moving inserting fuse system which are sequentially arranged along a worktable surface of a main machine frame, wherein a pushing device working corresponding to the blanking discharge barrel system is arranged at the back of the worktable surface, and a forming system working corresponding to the moving inserting fuse system is arranged in front of the worktable surface. The scheme changes horizontal feeding processing through firework barrels one by one in the prior art into longitudinal feeding processing through a plurality of firework barrels in rows, so that processing flow path is shortened, production efficiency is greatly improved, operation is stable, adverse factors like tube body rolling and error accumulation are avoided, work load for maintenance and adjustment in operation is greatly reduced, and the firework assembling machine can perform production continuously without being limited any more. The firework assembling machine solves technical problems and lays good foundation for full automation and mechanized process of fireworks production.

The invention relates to a metal cavity broadband antenna. According to the basic structure, the metal cavity broadband antenna comprises a flat-box-shaped hollow metal cavity with gaps formed in the top and a coaxial connector. The gaps formed in the upper surface of the metal cavity comprise the I-shaped gap in the middle of the top of the metal cavity, the linear gaps in the two sides of the top of the metal cavity, and technological gaps in the two sides of the metal cavity in the length direction in the shape of []. An inner conductor of the coaxial connector stretches into the metal cavity and is connected with the inner top of the metal cavity. The integrated single metal cavity structure is adopted for the metal cavity broadband antenna and thus is simple in structure, and the antenna machining difficulty is reduced. The single metal material is adopted, so that hidden danger of deformation and layer disengagement caused by different expansion coefficients of multiple materials is eliminated. Because the metal material is good in thermal conductivity and electrical conductivity, thermal control design and electrostatic protection of a satellite-borne phased-array antenna are facilitated. The metal cavity and the gaps are all made full use of, and thus the broadband performance of the antenna is achieved. The profile of the antenna is low, when the antennas are used for combining a planar antenna array, the planar antenna array is of a honeycomb structure, and the metal cavity broadband antenna has the advantage of being high in structural strength.

The invention relates to a spray-rolling type loose fiber dyeing machine, and belongs to the technical field of loose fiber dyeing. The spray-rolling type loose fiber dyeing machine comprises a transmission component and a spray component. The transmission component comprises a pair of upper drive rollers and a pair of lower drive rollers. The upper drive rollers and the lower drive rollers are sleeved with an upper guide belt and a lower guide belt respectively to be used in a cooperative mode. The upper guide belt is provided with a first leak hole, the upper guide belt and the lower guide belt operate synchronously, a plurality of upper rollers are arranged in an upper guide belt loop, and a plurality of lower rollers matched with the upper rollers to be used are arranged in a lower guide belt loop. The upper guide belt and the lower guide belt are matched with the upper rollers and the lower rollers to achieve synchronous clamping transportation of the loose fibers. The spray component comprises a dyeing liquid pipe and sprayer heads. One end of the dyeing liquid pipe is communicated with dyeing liquid, the other end of the dyeing liquid pipe is connected with the sprayer heads, the sprayer heads are located above the upper guide belt between adjacent upper rollers, and the dyeing liquid in the dyeing liquid pipe is sprayed downwards onto the loose fibers through the sprayer heads. By means of the spray-rolling type loose fiber dyeing machine, continuous production can be carried out, cost can be lowered to 1 / 3-1 / 5 of that in the prior art.

The present invention relates to a rotor, a magnet steel fixing structure thereof, and a motor. The motor magnet steel fixing structure includes a rotor core, magnet steels sequentially distributed in the circumferential direction of the rotor core, and stoppers located between two adjacent magnet steels, wherein each stopper includes a connecting portion and two pressing plates both fixedly connected with the connecting portion, the two pressing plates are respectively pressed on two adjacent magnet steels, and the connecting portion is in positioning connection with the rotor core in a radial direction through a concave-convex cooperative structure. In the magnet steel fixing structure, the connecting portion is in positioning connection with the rotor core in a radial direction through a concave-convex cooperative structure, and the structure required by the concave-convex cooperative structure can be formed in a rotor core punching process, so that compared with the prior art, a processing flow is reduced, the rotor core production process is simplified, thereby the production of a whole rotor is simplified, and rotor production efficiency is improved.

The invention relates to a nitrocarburizing process of Cr12MoV steel. The nitrocarburizing process comprises the following steps: carrying out high-temperature quenching on a mold of the Cr12MoV steel, putting the mold into a box, putting the box into an electric furnace, carrying out nitrocarburizing, maintaining the temperature for 4-8 hours, and adding a small amount of catalyst, namely chromium trioxide to carry out catalysis nitriding, wherein the process temperature of the nitrocarburizing is 560-580 DEG C, nitriding agents are charcoal and urea, and the proportion of the charcoal to the urea is 3:2; and putting the mold into the electric furnace at 200 DEG C, tempering for 2 hours while maintaining the temperature, discharging the mold out of the electric furnace, adding the mold into cold oil, and taking out the mold after the mold is cooled to the room temperature. According to the nitrocarburizing process, the service life of the mold of the Cr12MoV steel is effectively prolonged.

The invention discloses a thermal expansion technology for a high-energy rubber-molded fiber composite product. The thermal expansion technology particularly comprises the steps that fiber composite cloths and high-energy rubber are cut according to the structural design specification size and then cleared up for use; the fiber composite cloths are folded in a rowed mode and layered up according to the mechanical structural design requirements, and a rolled product is obtained by arranging the fiber composite cloths outside the high-energy rubber in a wrapping mode; the obtained rolled product is put on a heating platform with the temperature ranging from room temperature to 80 DEG C to be preheated for 3-60 min, gas among layers is exhausted in an extruding mode as much as possible, the product is pressed to be smooth and then put into a pre-molding mold, pre-molding is conducted according to the shape designed by the pre-molding mold, and a pre-molded product is obtained; the obtained pre-molded product is put into a preheating oven with the temperature ranging from 35 DEG C to 75 DEG C to be preheated for 3-60 min and then taken out to be put into a molding mold, and the mold is closed tightly; the mold is delivered to a thermal compression molding platform, the high-energy rubber is expanded and not shrunk or is expanded first and then shrunk under the action of the heating procedure, and product molding is completed; the molded mold is delivered to a cooling platform to be cooled and then delivered to a demolding platform, and the product is taken out by opening the mold. The technology method replaces a traditional nylon duct method.