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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 25. Отображено 25.
31-08-2011 дата публикации

Design and structure for controllable atmosphere rotating furnace for oxidizing albronze alloy powder

Номер: CN0101392987B
Автор: YONGCHAO WANG, HUIDONG CHEN, ZHUFANG LEI, WANG YONGCHAO, CHEN HUIDONG, LEI ZHUFANG
Принадлежит:

The invention provides a gas atmosphere controllable revolving furnace structure for the oxygen distribution in the oxidation of copper-aluminum alloy powder, which mainly consists of an air inlet(pumping) pipe, a roller cover, water cooling sleeves, a resistance furnace, rollers, an electrothermal couple pipe, a transmission mechanism, a furnace body bracket and a lifting hook, wherein the resistance furnace is fixed on the furnace body bracket, one end of the furnace body bracket is provided with the lifting hook and is supported by a lower end platform, the other end of the furnace body bracket is provided with a lower end triangular support which can rotate around the triangular support; the inside of the resistance furnace is provided with the roller rotating around the resistance furnace, two ends of the roller(5) arranged outside the resistance furnace are additionally provided with the water cooling sleeves, and the extension end of the roller, which is close to the triangularsupport ...

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Номер записи: 1
28-07-2023 дата публикации

Fixed-wing unmanned aerial vehicle undercarriage

Номер: CN116495229A
Автор: CHENG TIANCAI, LIU QIANG, ZHAO QI, JIANG GUANGJUN, BAO-YIN HEXI, LI QI, CHEN HUIDONG, LIU ZIHAO, KANG XIYUE
Принадлежит:

The invention discloses a fixed-wing unmanned aerial vehicle undercarriage, and relates to the technical field of unmanned aerial vehicles. Comprising a substrate; the gyroscope is arranged below the substrate and is connected with the middle part of the substrate; the multiple first lifting systems operate independently, and the tops of the first lifting systems are connected with the base plate. The multiple second lifting systems are arranged corresponding to the first lifting systems, and each second lifting system is connected with the end, away from the base plate, of the corresponding first lifting system. The remote sensing device is connected with one end, away from the substrate, of the gyroscope; the control chip is electrically connected with the gyroscope, the first lifting system, the second lifting system and the remote sensing device. By arranging the gyroscope, it can be guaranteed that the upper portion of the undercarriage is always kept in the horizontal state when the ...

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Номер записи: 2
26-03-2014 дата публикации

Soil material with high unconfined compressive strength

Номер: CN103669332A
Автор: GAO LEI, YU XIANGJUAN, ZHOU BIN, CHEN HUIDONG, ZHOU QIUYUE
Принадлежит:

The invention discloses a soil material with high unconfined compressive strength. The soil material comprises composite soil and water. The weight of the water accounts for 8.2%-18.8% of the composite soil. The composite soil comprises, by mass, 1-6% of nanometer aluminum oxide and 94-99% of dry soil. Due to the fact that the dry soil is mixed with a certain mass of nanometer aluminum oxide, the engineering property of the soil is effectively improved, and the unconfined compressive strength of the soil material is effectively improved.

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Номер записи: 3
18-07-2023 дата публикации

PPR (pentatricopeptide repeats) pipe with chlorine resistance as well as preparation method and application thereof

Номер: CN116444898A
Автор: LYU AILONG, XIE BIMAO, CHEN HUIDONG, HU SHANSHAN, OU JIAJIE
Принадлежит:

The invention discloses a PPR pipe with chlorine resistance and a preparation method and application thereof, and relates to the technical field of plastic pipes. The polypropylene random copolymer comprises the following components in parts by weight: 85-95 parts of polypropylene random copolymer, 5-15 parts of an anti-chlorine polymer, 0.05-1 part of an antioxidant and 0.5-2 parts of a lubricant, the anti-chlorine polymer is grafted copolymer sodium styrylsulfonate modified polypropylene. A grafted copolymer sodium styrylsulfonate modified polypropylene is added as an anti-chlorine polymer, on one hand, a benzene ring structure is introduced to increase steric hindrance, attack of active chlorine to a polypropylene molecular chain is reduced, and the polypropylene is effectively blocked and protected; on the other hand,-SO3Na serves as an electron withdrawing group, the activity of aromatic rings is reduced, the aromatic rings are prevented from being substituted by active chlorine, the ...

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Номер записи: 4
25-04-2023 дата публикации

Integrated precipitation built-in internal and external mixed liquid backflow two-stage anoxic and aerobic device and process

Номер: CN116002861A
Автор: YUAN WEIWEN, CHEN HUIDONG, WEI DINGXIANG
Принадлежит:

The invention discloses an integrated precipitation built-in internal and external mixed liquid backflow two-stage anoxic-aerobic device and process. The device comprises a first-stage AO-stage (anoxic-aerobic) treatment device which comprises a first anoxic zone, a first aerobic zone and a first settling zone, the first aerobic zone is low in oxygen, a first gas stripping device is arranged in the first aerobic zone and communicated with the first anoxic zone, and a second gas stripping device is communicated with the first settling zone; the second-stage AO treatment device comprises a second anoxic zone, a second aerobic zone and a second settling zone, a third gas stripping device is arranged in the second aerobic zone and is connected with a second gas-liquid-solid separation tank, and the gas-liquid-solid separation tank is provided with a first water outlet which is communicated with the first anoxic zone, a second water outlet which is communicated with the second anoxic zone and ...

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Номер записи: 5
18-04-2012 дата публикации

Continuously-cast crystallizer copper liner

Номер: CN0101708535B
Автор: HUIDONG CHEN, ZHUFANG LEI, BENHAI LI, CANFU YUE, CHEN HUIDONG, LEI ZHUFANG, LI BENHAI, YUE CANFU
Принадлежит:

The invention discloses a continuously-cast crystallizer copper liner, which is prepared by a method comprising: preparing copper-aluminum alloy powder with an aluminum content of 0.03 to 0.6 weight percent, wherein the grain size of the copper-aluminum alloy powder is less than 150mum and the grain size of over 50 weight percent of powder is less than 74mum; filling the copper-aluminum alloy powder in an oxygen supply furnace, supply oxygen in a molar ratio of the oxygen to the aluminum in the copper and aluminum alloy of 3:2 to 6:2, and heating the copper-aluminum alloy powder to 100 to 300DEG C to perform reaction for 3 to 30 hours; preparing dispersion copper powder ingot blanks; extruding the ingot blanks at 700 to 1,000 DEG C to a nearly formed pipe; drawing the extruded pipe blankby required specifications; and plating the surface of the drawn pipe blank. The copper alloy liner of the invention has the advantages that: casting efficiency can be improved greatly; the casting drawing ...

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Номер записи: 6
25-03-2009 дата публикации

Design and structure for controllable atmosphere rotating furnace for oxidizing albronze alloy powder

Номер: CN0101392987A
Автор: WANG YONGCHAO, CHEN HUIDONG, LEI ZHUFANG, YONGCHAO WANG, HUIDONG CHEN, ZHUFANG LEI
Принадлежит:

The invention provides a gas atmosphere controllable revolving furnace structure for the oxygen distribution in the oxidation of copper-aluminum alloy powder, which mainly consists of an air inlet(pumping) pipe, a roller cover, water cooling sleeves, a resistance furnace, rollers, an electrothermal couple pipe, a transmission mechanism, a furnace body bracket and a lifting hook, wherein the resistance furnace is fixed on the furnace body bracket, one end of the furnace body bracket is provided with the lifting hook and is supported by a lower end platform, the other end of the furnace body bracket is provided with a lower end triangular support which can rotate around the triangular support; the inside of the resistance furnace is provided with the roller rotating around the resistance furnace, two ends of the roller(5) arranged outside the resistance furnace are additionally provided with the water cooling sleeves, and the extension end of the roller, which is close to the triangular support ...

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Номер записи: 7
29-08-2023 дата публикации

Agricultural multifunctional unmanned aerial vehicle

Номер: CN116654323A
Автор: MU DONGMING, CHEN HUIDONG, JIANG GUANGJUN, HODOGANISHI, CHENG TIANCAI, ZHAO QI, LI QI, LIU ZIHAO, LIU YANG
Принадлежит:

The invention discloses an agricultural multifunctional unmanned aerial vehicle and relates to the technical field of unmanned aerial vehicles, the agricultural multifunctional unmanned aerial vehicle comprises an unmanned aerial vehicle body, a bearing assembly and a ground control station, the unmanned aerial vehicle is arranged in a folding mode, the bearing assembly is integrally formed, and the bottom of the unmanned aerial vehicle body is connected with the bearing assembly through bolts and nuts; a spraying assembly or a spreading assembly is hung on the bearing assembly, and the unmanned aerial vehicle body and the spraying assembly or the spreading assembly are electrically connected with the ground control station. The device is reasonable in layout, compact in structure, small in occupied space due to folding arrangement and convenient and fast to use, cooperation of a plurality of assemblies is achieved through the bearing assembly, the spraying and applying multifunctional ...

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Номер записи: 8
29-09-2010 дата публикации

Al2O3dispersion strengthening copper alloy and method for producing the same

Номер: CN0101195879B
Автор: FU ZILAI, CHEN HUIDONG, YUE CANFU, WANG YONGCHAO, ZILAI FU, HUIDONG CHEN, CANFU YUE, YONGCHAO WANG
Принадлежит:

The invention provides an Al2O3 dispersion strengthening copper alloy and the preparation method thereof. The aluminum content of the raw material is 0.05 to 0.6 wt percent, the content of foreign impurities is not higher than 0.5 wt percent, the basis material is copper; the production process adopts the steps of the whole copper-aluminum alloy powder superficial oxidation oxygen replenishment, ingot casting, internal oxidation, deoxidization, agglomeration, squeezing, cold processing and performance testing, the produced Al2O3 dispersion strengthening copper alloy has the advantages that the intensity and the rigidity are higher, the performance of anti high temperature softening is good, simultaneously, the invention has the good performance of electric conduction and heat conduction, and the invention is the ideal material for producing a resistance welding electrode, the lead frame of an integrated circuit, the conductor rod of an high pressure disconnecting switch and other parts ...

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Номер записи: 9
30-06-2023 дата публикации

Marine wastewater mixing, packaging and discharging device

Номер: CN116354428A
Автор: LI XIN, WANG LEI, LI WEI, CHEN HUIDONG
Принадлежит:

The invention provides a marine wastewater mixing, packaging and discharging device, and belongs to the technical field of marine wastewater treatment. The marine wastewater mixing, packaging and discharging device comprises a conveying frame, a discharging box is arranged above the conveying frame, a sewage mixing treatment box is fixedly installed on the top face of the discharging box, an air bag is arranged in the discharging box, a sealing movable plate is installed in the discharging box, the air bag is arranged below the sealing movable plate, and the air bag is arranged below the sealing movable plate. And an inflation pump is installed on one side of the discharging box and communicates with the air bag, and a contraction assembly is arranged in the discharging box. Through the air bag and the contraction assembly, the purpose of rapidly treating, packaging and discharging marine wastewater is achieved, excessive manpower resources are not needed, excessive electrical equipment ...

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Номер записи: 10
02-05-2023 дата публикации

Grinding heat setting mechanism for folding soft turned edge of terminal board

Номер: CN116037727A
Автор: CHEN HUIDONG
Принадлежит:

The invention discloses a heat grinding and shaping mechanism for terminal board soft flanging folding, which comprises a material carrying table, an automatic overturning and bending assembly, a pressure maintaining and shaping assembly, an automatic coiling assembly and an auxiliary pressing assembly, and is characterized in that the automatic overturning and bending assembly comprises an overturning motor, a driving belt wheel, a transmission belt, a driven belt wheel, an overturning shaft, a bearing seat and a bending block; the pressure maintaining and shaping assembly comprises a pressure maintaining air cylinder, a limiting sliding table, a push block, a pressure maintaining block and a pin shaft, and the automatic coiling assembly comprises a coiling rod, a bearing seat, a coiling motor and a position adjusting assembly. And then the rolling rod is matched with the pressure maintaining and shaping assembly to press and position the rolling ring part according to a product with standard ...

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Номер записи: 11
09-04-2014 дата публикации

Loading monitoring device and loading monitoring method for X-shaped model pile

Номер: CN103711152A
Автор: GAO LEI, LIU HANLONG, CHEN HUIDONG, YU XIANGJUAN
Принадлежит:

The invention discloses a loading monitoring device and a loading monitoring method for an X-shaped model pile. The device comprises a soil-holding container, a loading device and a monitoring device. The method comprises the following steps of: pre-burying the X-shaped model pile pre-buried with sensing optical fibres in the soil body of the soil-holding container, then connecting the loading device with the soil-holding container by channel steel, applying a vertical load on the X-shaped model pile, and simulating action between the pile and soil under a pressure action as well as the bearing force and deformation situation of the pile by monitoring the stress-strain situation of the X-shaped model pile during the loading process by the monitoring device. According to the loading monitoring device and the loading monitoring method disclosed by the invention, the loading conditions of a test can be accurately controlled, the stress deformation situation of the X-shaped model pile in soil ...

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Номер записи: 12
25-03-2015 дата публикации

Method for comprehensively recovering valuable metals from zinc hydrometallurgy high-temperature purification slags

Номер: CN104451172A
Автор: XU BIN, ZHAO DEJUN, ZHAO BINGWU, CHEN CHANGHAO, ZHAO JUHUA, CHEN HUIDONG, WU HUI, LONG GUOXIN
Принадлежит:

The invention discloses a method for comprehensively recovering valuable metals from zinc hydrometallurgy high-temperature purification slags. The method comprises the following steps: (1) drying and firing of the high-temperature purification slags; (2) first leaching; (3) second leaching; (4) purification and deposition of copper; (5) purification and deposition of cadmium; (6) deposition of tannin germanium; (7) deposition of cobalt; and (8) deposition of nickel and recovery of zinc by returning liquid obtained by deposition of nickel to a zinc hydrometallurgy system. The invention provides a method for leaching the zinc hydrometallurgy high-temperature purification slags twice after drying and firing to obtain the produced leaching slags, namely silver lead ore concentrate for sales, and comprehensively recovering copper, cadmium, germanium, cobalt, nickel and zinc from filtering liquid subjected to first leaching; the method is easy to carry out and simple in process; the recovery ...

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Номер записи: 13
12-05-2023 дата публикации

Photovoltaic backboard with rigid foam sandwich structure and production process thereof

Номер: CN116100896A
Автор: HU GUANGDA, ZENG MING, CHEN HUIDONG, ZHOU YAN
Принадлежит:

The invention provides a photovoltaic backboard with a rigid foam sandwich structure, which is characterized in that a rigid foam sandwich of the sandwich structure is made of PET (Polyethylene Terephthalate) or PVC (Polyvinyl Chloride) foam, and an upper surface layer and a lower surface layer are made of high-molecular polymer films or fiber reinforced composite materials; the thin film is bonded with the rigid foam sandwich through the hot melt adhesive film; the fiber reinforced composite material is bonded with the rigid foam sandwich when resin in the fiber reinforced material is cured; the upper surface layer and the lower surface layer are combined with the rigid foam sandwich to form the sandwich structure photovoltaic backboard which is light in weight and high in mechanical strength. The high-molecular polymer layers or the fiber reinforced composite material layers are adhered to the upper surface and the lower surface of the rigid foam, so that the functions of insulation, ...

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Номер записи: 14
17-09-2014 дата публикации

System for monitoring puerperal uterus inner pressure in real time and using method thereof

Номер: CN104042224A
Автор: ZHENG JIANLAN, FU JINGLI, CHEN HUIDONG, WANG WENYAN, LI MEIYING, ZHOU WENGUANG
Принадлежит:

The invention provides a system for monitoring puerperal uterus inner pressure in real time and a using method of the system, and belongs to a medical monitoring system. The monitoring system is provided with a puerperal uterus inner pressure tester, a pressure gage and a data recording device. The puerperal uterus inner pressure tester is provided with a uterine cavity blood drainage tube, a pressure measuring water injection tube, a ball-shaped bag and a fixing device. The two ends of the uterine cavity blood drainage tube and the two ends of the pressure measuring water injection tube are open, the top end of the uterine cavity blood drainage tube is provided with a uterine cavity blood drainage hole, the pressure measuring water injection tube is located on one side in the cavity of the uterine cavity blood drainage tube, and the ball-shaped bag is located in the front of the uterine cavity blood drainage tube and below the uterine cavity blood drainage hole. The opening in the top ...

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Номер записи: 15
19-05-2010 дата публикации

Continuously-cast crystallizer copper liner

Номер: CN0101708535A
Автор: HUIDONG CHEN, ZHUFANG LEI, BENHAI LI, CANFU YUE, CHEN HUIDONG, LEI ZHUFANG, LI BENHAI, YUE CANFU
Принадлежит:

The invention discloses a continuously-cast crystallizer copper liner, which is prepared by a method comprising: preparing copper-aluminum alloy powder with an aluminum content of 0.03 to 0.6 weight percent, wherein the grain size of the copper-aluminum alloy powder is less than 150mum and the grain size of over 50 weight percent of powder is less than 74mum; filling the copper-aluminum alloy powder in an oxygen supply furnace, supply oxygen in a molar ratio of the oxygen to the aluminum in the copper and aluminum alloy of 3:2 to 6:2, and heating the copper-aluminum alloy powder to 100 to 300 DEG C to perform reaction for 3 to 30 hours; preparing dispersion copper powder ingot blanks; extruding the ingot blanks at 700 to 1,000 DEG C to a nearly formed pipe; drawing the extruded pipe blank by required specifications; and plating the surface of the drawn pipe blank. The copper alloy liner of the invention has the advantages that: casting efficiency can be improved greatly; the casting drawing ...

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Номер записи: 16
11-06-2008 дата публикации

Al2O3dispersion strengthening copper alloy and method for producing the same

Номер: CN0101195879A
Автор: WANG YONGCHAO, YUE CANFU, CHEN HUIDONG, FU ZILAI, YONGCHAO WANG, CANFU YUE, HUIDONG CHEN, ZILAI FU
Принадлежит:

The invention provides an Al2O3 dispersion strengthening copper alloy and the preparation method thereof. The aluminum content of the raw material is 0.05 to 0.6 wt percent, the content of foreign impurities is not higher than 0.5 wt percent, the basis material is copper; the production process adopts the steps of the whole copper-aluminum alloy powder superficial oxidation oxygen replenishment, ingot casting, internal oxidation, deoxidization, agglomeration, squeezing, cold processing and performance testing, the produced Al2O3 dispersion strengthening copper alloy has the advantages that the intensity and the rigidity are higher, the performance of anti high temperature softening is good, simultaneously, the invention has the good performance of electric conduction and heat conduction, and the invention is the ideal material for producing a resistance welding electrode, the lead frame of an integrated circuit, the conductor rod of an high pressure disconnecting switch and other parts ...

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Номер записи: 17
02-05-2023 дата публикации

Optical lens

Номер: CN116047727A
Автор: LIANG WEICHAO, YING YONGMAO, CHEN HUIDONG, LAN LAN
Принадлежит:

The optical lens sequentially comprises a first lens (L1) with negative focal power, a second lens (L2), a third lens (L3) with positive focal power, a fourth lens (L4) with positive focal power, a fifth lens (L5) with negative focal power, a sixth lens (L6) with positive focal power, a seventh lens (L7) with negative focal power and protective plate glass (CG) in the direction from an object side to an image side along an optical axis, the second lens (L2) is a convex-concave lens, and the fifth lens (L5) is a biconcave lens. The optical lens is provided with seven lenses, has the advantages of being simple in structure and low in cost, and has the advantages of being large in aperture, low in cost, small in size and capable of meeting the use requirements of high and low temperature environments while the requirement that the optical lens has high resolving power is met by reasonably distributing the focal power of the lenses and optimally arranging the shapes of the lenses.

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Номер записи: 18
30-09-2015 дата публикации

Manufacturing method of aluminum oxide copper liner for pipeline welding internal jointing device

Номер: CN104942293A
Автор: LEI ZHUFANG, WANG PENGYUN, SUN JIANJUN, CHEN HUIDONG
Принадлежит:

The invention relates to a manufacturing method of an aluminum oxide copper liner for a pipeline welding internal jointing device. The manufacturing method includes the eight working procedures including atomization powder processing, powder oxygen replenishment, ingot blank preparing, die extrusion, discharging edge rolling, annealing treatment, machine shaping and surface passivation. The aluminum oxide copper liner manufactured according to the eight working procedures has the good combination properties, for example, Rm is larger than or equal to 520 MPa, the HRB is larger than or equal to 82, the softening temperature is as high as 930 DEG C, sufficient supporting force can be kept in the bottoming welding process without softening, the service life of the aluminum oxide copper liner is prolonged under the state that the radiating effect is better, and the aluminum oxide copper liner has the advantages of being resistant to burning damage, being not prone to adhesion, being resistant ...

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Номер записи: 19
19-08-2009 дата публикации

Method for preparing siller tin oxide electric contact material

Номер: CN0101510479A
Автор: CHEN HUIDONG, WANG YONGCHAO, LEI ZHUFANG, YUE CANFU, HUIDONG CHEN, YONGCHAO WANG, ZHUFANG LEI, CANFU YUE
Принадлежит:

The invention discloses a preparation method of a silver tin oxide electrical contact material, which comprises the following steps: SnO2 is put into 1 percent to 20 percent SnCl2 for ultrasonic oscillation treatment for 1min to 100min; the powder after treatment is subjected to silver wrapping treatment in a diamminesilver solution and then milled and mixed with Ag powder according to ratio (tin oxide with the content of 6 wt percent to 15 wt percent and silver with the content of 85 wt percent to 94 wt percent); then the mixed power is heated to 200 DEG C to 600 DEG C, kept at the temperature for 1h to 4h and then subjected to isopressing formation; an obtained ingot is sintered for 1h to 5h at the temperature of 700 DEG C to 900 DEG C and extruded into a wire material at the extrusion ratio of 100 to 400 times at the temperature of 700 DEG C to 900 DEG C. The silver tin oxide material prepared by the method has low resistivity and good electrical using property and processing performance ...

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Номер записи: 20
23-06-2023 дата публикации

Precipitating tank for urokinase production

Номер: CN116286295A
Автор: CHEN HUIDONG, LIU YOUJIN, ZHANG SHUFANG
Принадлежит:

The invention relates to a precipitation tank for urokinase production, which comprises a rectangular shell, the lower end of the shell is provided with a feed opening, the middle part of the feed opening is fixedly provided with a first vertical pipe, the upper end of the first vertical pipe is coaxially and fixedly provided with a cylindrical shell, the outer edge surface of the cylindrical shell is a filter screen, and the upper end of the cylindrical shell is coaxially and fixedly provided with a second vertical pipe; a third vertical pipe is arranged on the inner side of the first vertical pipe and the inner side of the second vertical pipe, a U-shaped pipe with a downward opening is fixed to the upper end of the third vertical pipe, baffles are hinged to the left side and the right side of a cavity of the shell respectively, the cylindrical shell is sleeved with an annular plate, and two vertically-placed elastic rods are fixed to the left side and the right side of the lower end ...

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Номер записи: 21
25-06-2014 дата публикации

Pile foundation dynamic load testing system based on optical fiber grating and testing method of pile foundation dynamic load testing system

Номер: CN103882893A
Автор: GAO LEI, LIU HANLONG, KONG GANGQIANG, DING XUANMING, YU XIANGJUAN, CHEN HUIDONG
Принадлежит:

The invention discloses a pile foundation dynamic load testing system based on an optical fiber grating and a testing method of the pile foundation dynamic load testing system. The testing system comprises a counterforce frame device, a power loading device, a soil containing tank and a monitoring device. The testing method includes the steps that various vibration waves are simulated through the set of power loading device and exerted on a foundation pile, and stress strain deformation conditions of the foundation pile are detected through the sensing optical fiber grating arranged in the foundation pile. The counterforce frame device and the soil containing tank are cast together to ensure that counterforce is transmitted stably and reliably; the power loading device can accurately control loading wave forms and loads in the power testing process; the monitoring device is high in response speed and can achieve remote monitor, and the sensing optical fiber grating has little influence ...

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Номер записи: 22
10-12-2014 дата публикации

Stamping tool with anomaly detectors

Номер: CN104190802A
Автор: CHEN HUIDONG, XU JIN
Принадлежит:

The invention discloses a stamping tool with anomaly detectors. The stamping tool comprises an upper die base plate, a lower die holder plate, an upper die holder plate, a lower die base plate, a stripper plate, a male die and a female die. The male die is arranged on the upper die fixing plate. The female die is arranged on the lower die base plate. A first detector is arranged on the upper die holder plate; the first detector is elastically connected to the upper die holder plate; the first detector penetrates the upper die fixing plate and is used for detecting the stripper plate; a second detector is mounted on the female die and is used for detecting the stripper plate; a third detector arranged on the female die at the center of the female die is used for detecting a product to be stamped. In this way, the stamping tool has the advantages that whether a foreign matter is jammed in or not, conditions such as whether or not products are stacked during stamping, and whether or not feeding ...

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Номер записи: 23
29-08-2023 дата публикации

Laser additive alloy based on NiTiAlVCMo powder, composite coating and preparation method of composite coating

Номер: CN116657019A
Автор: JIANG GUANGJUN, LI XINYU, LI YUNFENG, MU DONGMING, MEI XIUZHUANG, ZHAO QI, CHENG TIANCAI, LI QI, WANG ZE, GONG YONGZHI, HU LUNHU, SUN HONGHUA, MA SHAOYING, CHEN HUIDONG, KANG XIYUE, WANG ZUOCHENG, XIAO JIALONG
Принадлежит:

The invention discloses a laser additive alloy based on NiTiAlVCMo powder, a composite coating and a preparation method of the composite coating, belongs to the technical field of laser additive manufacturing, and innovatively designs high-corrosion-resistance and high-wear-resistance medium carbon alloy steel components suitable for laser additive manufacturing and remanufacturing. The problems that in the powder laser forming process of a traditional alloy component system, powder printing performance is poor, forming performance (deformation and cracking) is poor, toughness matching performance is poor, mechanical performance is poor, and abrasion resistance and corrosion resistance cannot meet the requirements are effectively solved. Ni, Ti, Al, V, C and Mo powder are subjected to ball-milling mixing and vacuum drying, an obtained mixed material is blown to the surface of a base material through argon, meanwhile, the mixed material is cladded under the action of laser, and the composite ...

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Номер записи: 24
25-08-2010 дата публикации

Method for preparing siller tin oxide electric contact material

Номер: CN0101510479B
Автор: LEI ZHUFANG, WANG YONGCHAO, CHEN HUIDONG, YUE CANFU, ZHUFANG LEI, YONGCHAO WANG, HUIDONG CHEN, CANFU YUE
Принадлежит:

The invention discloses a preparation method of a silver tin oxide electrical contact material, which comprises the following steps: SnO2 is put into 1 percent to 20 percent SnCl2 for ultrasonic oscillation treatment for 1min to 100min; the powder after treatment is subjected to silver wrapping treatment in a diamminesilver solution and then milled and mixed with Ag powder according to ratio (tinoxide with the content of 6 wt percent to 15 wt percent and silver with the content of 85 wt percent to 94 wt percent); then the mixed power is heated to 200 DEG C to 600 DEG C, kept at the temperature for 1h to 4h and then subjected to isopressing formation; an obtained ingot is sintered for 1h to 5h at the temperature of 700 DEG C to 900 DEG C and extruded into a wire material at the extrusion ratio of 100 to 400 times at the temperature of 700 DEG C to 900 DEG C. The silver tin oxide material prepared by the method has low resistivity and good electrical using property and processing performance ...

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Номер записи: 25