523results about How to "Reduce process links" patented technology

A small flat bending fatigue test machine can dynamically monitor and test the fatigue of a specimen (material) and is based on an acoustic emission technology. The machine includes a plurality of parts, such as a mechanical device, a loading device, a tester, a display or recording device, etc. The mechanical device and the loading device are integrated and adopt an eccentric wheel rotating mechanism and a dynamic loading method; the tester includes two parts, namely a load test system and a specimen test system; the load test system consists of a limit switch, an electronic accumulation calculator, etc.; the specimen test system adopts an acoustic emission sensing electronic technology and a computer technology; the specimen is arranged on the mechanical device and the loading device; the loading device pressurizes the specimen on the mechanical device; the specimen is provided with an acoustic emission sensor; the acoustic sensor is connected with a load tester; the signal is input into the computer technology, and the display or record device obtains the bending fatigue test result of the material.

The invention relates to a method for using sheet blank continuous casting continuous rolling to produce silicon steel. In the BOF smelt process, it uses bottom argon blow technique in the whole processes; adds composite deoxidant and aluminum into steel pack when outputting steel to remove oxygen; adds manganese, silicon steel and ferro-phosphorus to alloy; blows argon to the melt steel in all process; uses LF furnace to refine the melt steel; using CSP continuous casting machine to cast the melt steel into casting blank; heats the casting blank via TF furnace to be rolled by continuous rolling machine to be hot rolling sheet coil; acid washes hot rolling plate to be cold rolled via rough roller cold rolling machine to be cold rolled sheet coil; anneals via the anneal furnace; flattens the annealed sheet coil via flatten machine group while the extending rate is 2-18%; corrects the sheet shape via correct machine; packs and stores the coil into the storehouse. The inventive method can reduce the cost of producing device and improve the additive value of sheet blank continuous casting continuous rolling product.

The object of the present invention is to provide a method and device for displaying search results. Wherein, the search processing device obtains the search result selected by the user; according to the search result, obtains at least one set of key information of resources corresponding to the search result; and presents the key information to the user. Compared with the prior art, the present invention has the following advantages: on the one hand, it can clearly display relevant information of search results in a limited display space without reducing the amount of displayed content information, and improve user experience; on the other hand, it can Provide targeted promotion information for search promotion applications, so that users have more opportunities to learn and use the promotion information, thereby improving the effect of search promotion.

The invention relates to an electric automatic levelling brace for realizing multipoint electric automatic levelling, and aims to provide an electric automatic levelling brace with large lifting weight, rapid and reliable touchdown, good repeatability of levelling precision, high precision, safety, convenience, convenient maintenance and simple electric connection. The electric automatic levelling brace comprises a levelling bearing disc connected with a levelling brace cylinder body and a direct current servo motor with an electric control unit. The top of the levelling brace cylinder body is provided with a transmission chain which is connected with an output shaft of a speed reducer and a leading screw pair for rotary motion; the leading screw pair drives a levelling telescopic cylinder body manufactured with a screw and the levelling bearing disc fixedly connected with the leading screw pair together to do linear lifting motion; a microswitch for feeding back the lifting position to an external control system is arranged on the cylinder wall of the levelling brace cylinder body; a small displacement triggering shaft records the moving position, triggers the microswitch at a triggering point and transfers an electrical signal of the lifting position of the levelling brace to the outside; and the small displacement triggering shaft is connected external control equipment through the microswitch and forms a closed loop levelling system with the servo motor connected with the speed reducer .

The invention discloses a laser tailor-welded high-strength steel warm forming preparation method. The laser tailor-welded high-strength steel warm forming preparation method is characterized by comprising the following steps: manufacturing a 22MnB5 steel plate and a medium manganese steel plate into a steel part for later use; carrying out laser tailor-welded connection treatment; carrying out heating treatment on the steel part for later use, which is subjected to laser tailor-welding; transferring the steel part onto a stamping mold to carry out stamping forming and quenching; finally obtaining a two-phase or three-phase microstructure formed by lots of ferrite, martensite or bainite in the 22MnB5 steel area of the tailor-welded steel part; and obtaining a martensite organization structure in the medium manganese steel area, thereby forming a warm forming technology of the laser tailor-welded high-strength steel, which has no need for coating treatment in advance and has gradient distributed mechanical property. The laser tailor-welded high-strength steel warm forming preparation method has the beneficial effects that the process combination of laser tailor-welding and the warm forming technology is realized; the warming forming technology is used for enabling 22MnB5 steel to form the two-phase or three-phase microstructure; the two-phase or three-phase microstructure is matched with medium manganese steel having martensitic structure in the end to obtain a custom-made warm forming part with gradient distributed performances; the technological process is simplified; and the production efficiency is improved.

The invention relates to a construction method for an overall formwork one-time forming structure of a pier. The method includes the following steps of (1) bearing platform surface treatment, (2) erection of a temporary scaffold for pier stud construction, (3) steel bar manufacturing and mounting, (4) formwork mounting, (5) concrete pouring, (6) formwork dismantling and curing, and (7) prestress tensioning and mortar pressing for tie beams. The construction method has the advantages of environmental friendliness, convenient construction, low manufacturing cost and the like.

The invention discloses a crank bending fatigue experiment system and method. The system is mainly made up of resonance desk, vibration generator, transducer, programmable logic controller, sensor group, stress amplifier and computer. The invention reduces the manpower burden; the operation is simple and convenient. The accuracy is upgraded greatly.

The invention belongs to the technical field of fertilizer, and particularly relates to biological-envelope organic and inorganic microbial fertilizer and a preparation method thereof. The fertilizer is prepared from, by weight, 10-30% of compound microorganism bacterium agents, 10-50% of major elements, 2-15% of medium trace elements, 5-50% of organic matter, 10-40% of calcium carbonate, 10-40% of kieselguhr and 1-10% of lactate, wherein the organic matter comprises one or more of molasses, polyaspartic acid and humic acid. According to the biological-envelope organic and inorganic microbial fertilizer and the preparation method thereof, the compound microorganism bacterium agents are used, so that the microorganism bacterium agents and the major elements can be applied together and the activity of the major elements cannot be lowered, the strain survival rate is high, the chemical fertilizer applying quantity is reduced, soil is improved, the soil fertility is enhanced, the soil ecology environment is improved, and the crop quality and yield are improved.

A device for measuring a fluorescent oil flow friction force field comprises a CCD video camera, an LED light source, a computer, a test wind tunnel and a spraying device, wherein the spraying device is composed of a spraying gun and a high pressure air source which is a nitrogen source, the CCD video camera and the LED light source are respectively installed outside an observation window of the test wind tunnel, the LED light source can irradiate a model testing piece arranged in the test wind tunnel, the CCD video camera can effectively shoot image information of the model testing piece, the LED light source is connected with an external power source through a wire, an information output end of the CCD video camera is connected with a corresponding interface of the computer through a cat6 network line, and a medium inlet of the spraying gun is connected with a medium outlet of the high pressure air source. By means of the device and method for measuring the fluorescent oil flow friction force field, coatings on the surface of a model can be evenly distributed and can reach a stable state as quickly as possible under the function of a flow field, machining links and machining cost of the model are reduced, measurement cost is greatly reduced, and influence on the flow field on the surface of the model by measurement devices is reduced.

The invention discloses a watch with a watchband easy to disassemble. The watch comprises a watchcase (2), a watchband (3), a first knob (4), a second knob (5) and a watch spring bar (6), wherein a blind hole (211) is formed in a first shell lug (21) of the watchcase (2), a first slot (221) and a second slot (222) with opening bottom ends are respectively formed in the two sides of the watchcase (2) and the first shell lug (21), and a through hole (223) is formed between a slot bottom at one end of the first slot (221) and a slot bottom of the second slot (222); the first knob (4) is fixedly connected with the second knob (5) through the through hole (223), a third slot (511) with one opening end is formed in the second knob (5), and the watch spring bar (6) is arranged in a through hole (31) formed in the watchband (3); one end of the watch spring bar (6) is placed in the blind hole (211), and the other end of the watch spring bar (6) is placed in a third slot (511) along an opening bottom end of the second slot (222) and an opening bottom end of the third slot (511).

The invention relates to a method for directly preparing high-purity silicon and titanium-silicon alloy from titanium-silicon materials, and belongs to the technical field of efficient and comprehensive utilization of titanium-silicon material resources. Titanium-silicon materials with different contents of silicon are adopted as raw materials, electromagnetic induction is adopted for heating andmelting, and vacuum volatilization is conducted on the molten alloy materials under air pressure for refining and impurity removal; electromagnetic stirring is conducted on the molten materials obtained after the impurity removal for directional solidification and strengthened separation, and during the directional solidification, silicon which is preferentially precipitated deposits on the bottomof a crucible under the action of an electromagnetic stirring force and a temperature gradient; however, a titanium-silicon alloy phase is precipitated on the upper part of the crucible, and two products, the high-purity silicon and the titanium-silicon alloy, are obtained; the products is cut along an interface of separation, and the high-purity silicon with low contents of boron and phosphorusand the titanium-silicon alloy with low content of iron are obtained. According to the method for directly preparing the high-purity silicon and the titanium-silicon alloy from the titanium-silicon materials, the purity of the obtained high-purity silicon is more than 99.995%, and the content of titanium in the titanium-silicon alloy is 20-30%; compared with a traditional preparation technology of the high-purity silicon and the titanium-silicon alloy, the method has the advantages of being short in process, low in cost and the like, and mass production is easy to achieve.

The invention discloses a preparation method of taxus chinensis extractive. The preparation method comprises the following steps: (1) preparing a taxus chinensis raw material; (2) conducting ultrasonic wall-breaking treatment, soaking the taxus chinensis raw material in a soaking agent in a stirring manner to obtain a soak solution, and conducting the ultrasonic wall-breaking treatment on the soak solution to obtain a material liquid; (3) performing enzymolysis: transferring the material liquid to a reaction container, adding neutral protease which is 0.3-1.0% of the taxus chinensis raw material in weight to the reaction container, obtaining a mixed liquor, regulating the pH value of the mixed liquid to 6.8-7.0, conducting enzymolysis to hydrolyze free proteins in glycoprotein and glycan, deactivating enzyme, and obtaining a pulp liquid; (4) conducting reflux extraction on the pulp liquid to obtain an extracting solution, filtering and concentrating the extracting solution to obtain a concentrated solution, and filtering the concentrated solution to obtain a filter liquor; (5) conducting spray drying to obtain the taxus chinensis extractive. The preparation method increases the dissolution rate and accelerates the extraction rate.

A panty-hose machine is composed of a yarn feeding mechanism, a weaving mechanism and a batching mechanism. The panty-hose machine is characterized in that the yarn feeding mechanism is fixed through machine legs, a leg support is arranged on the bottom among the machine legs, the batching mechanism is mounted and fixed on the leg frame, a rack used for mounting the weaving mechanism is arranged on a top fixing frame of the machine legs, a plurality of frame rods are arranged between the upper portion and the lower portion of the rack, the weaving mechanism is mounted and fixed on the rack and is arranged above the batching mechanism, and a machine top yarn frame in the yarn feeding mechanism is supported at the top end of the upper portion of the rack through a plurality of stand rods. The panty-hose machine has the advantages that the panty-hose machine is novel in structure, more compact in structure combination, small in occupied space, light in whole machine weight, low in cost, simple in debugging, and high in safety and working efficiency, a machine table is more stable in running and precision, and the operation of technology changing is easy and convenient.

The invention discloses a 3D printer based cloud manufacturing service system. The system comprises a 3D printer attribute release module, a user information release module, a 3D printer discovery module, a 3D printer optimization module, an order management module, a logistic tracking module, a fund transaction module and a service evaluation module. By applying the system, centralized virtual management and distributed remote service f 3D printers can be realized and remote and synchronous efficient sharing of various 3D printers is realized; process links in conventional manufacturing are greatly reduced, the efficiency of plastic processing and complex mechanical parts processing can be remarkably improved, and distributed manufacturing is realized; and a service network established by numerous 3D printers is constructed to provide personalized product customization services for various users.

The invention discloses a method for processing the surface of a printed circuit board. The method comprises the steps that the printed circuit board is provided, the printed circuit board comprises a printed circuit board substrate and a brazing disc formed on the printed circuit board substrate, welding resistance processing and anti-plating processing are conducted on zones outside the brazing disc on the printed circuit board substrate; micro-etching is conducted on the brazing disc; a cobalt-based metal layer is formed on the surface of the brazing disc which undergoes micro-etching and the cobalt-based metal layer is used for directly making contact with lead-free solder, and the printed circuit board with the cobalt-based metal layer is cleaned and dried. The invention further provides the printed circuit board which undergoes the processes.

The invention belongs to the technical field of metallurgy purification, and particularly relates to a method and equipment for directional solidification and purification of polycrystalline silicon through taking tailing. According to the method, under the inert gas shielding environment, abluent silicon is heated to be fully melted so as to carry out directional solidification; ingot pulling is stopped when solidification is completed by 85-90%, a graphite bent pipe is stretched into surplus unset silicon at the upper layer, then the other end of the graphite bent pipe is vacuumed through a vacuum unit, so that the surplus unset silicon at the upper layer enters the graphite bent pipe under the action of pressure difference and enters a water cooling collection box through the guide of the graphite bent pipe; heating is stopped after all the surplus unset silicon at the upper layer enters the water cooling collection box, and cast ingot solidified in a crucible is silicon cast ingot of high purity. Due to the method, back-diffusion of impurity is prevented, technology processes are reduced, and the yield of cast ingot is improved. The equipment is convenient to improve and install, and a tailing collection device can be used repeatedly, can collect more tailings, and is safe and reliable.

The invention relates to a pellet iron ore concentrate fine grinding pelletizing system and a pellet iron ore concentrate fine grinding pelletizing process. The pellet iron ore concentrate fine grinding pelletizing system comprises a feeding belt conveyer, a raw material ore bin, a vibrating funnel, a feed chute, a ball mill, a finished product ore groove, a quantitative feeder, a collection belt conveyer and a mixer, wherein the finished product ore groove, the quantitative feeder, the collection belt conveyer and the mixer are connected with the ball mill in sequence; the system is characterized in that the side face of the ball mill is connected with a hot air furnace through a hot air pipeline; a powder selector and a storage bin are arranged between the ball mill and the finished product ore groove; the powder selector is connected with a discharge port end, the raw material ore bin and the storage bin through conveying pipelines respectively; the upper part of the storage bin is provided with a high-efficiency dust remover; the high-efficiency dust remover is connected with an induced draught fan and a chimney; the storage bin is communicated with the finished product ore groove through an air chute; the upper part of the finished product ore groove is provided with a bin top dust remover. The pellet iron ore concentrate fine grinding pelletizing system has the advantages of simple process flow, low overhaul rate, capability of saving water resource and high pelletizing rate when being used for pelletizing.

The invention discloses an uvioresistant fleece fabric, which comprises the following raw materials in percentage by mass: 20% to 40% of bottom layer tissue and 80% to 60% of fleece yarn tissue, wherein at least one of the bottom layer tissue and the fleece yarn tissue is made of uvioresistant fiber, and the uvioresistant fiber is uvioresistant polyester fiber. The invention also discloses a preparation method of the uvioresistant fleece fabric, and the method comprises the following steps of selecting of raw materials, warping, weaving, slitting, thermal shaping, dying or printing and post arrangement. By adopting the method, the prepared uvioresistant fleece fabric has the uvioresistant function for a long time.

The invention relates to a sorting device, a sorting system and a sorting method. The sorting device includes a grasping part comprising a mechanical arm, a first camera, a control circuit module which comprises a control and acquisition module, a data processing module and a storage module, wherein the data processing module is respectively connected with the control and acquisition module, the storage module is respectively connected with the data processing module and the first camera head, and the grasping part is connected with the control and acquisition module. A sorting system includesa sorting device, a first weighing station, a second weighing station, an information collecting device, a printing device, and an inventory device. A sorting method comprises a sorting step, a warehouse building step and a printing step. The sorting device can accurately identify and grasp the gripping point of the jewelry.