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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 15. Отображено 15.
23-06-2023 дата публикации

Curvature regulation and control method in lens forming process of optical lens array

Номер: CN116282848A
Автор: ZHOU TIANFENG, WANG ZIFAN, YU QIAN, YAO XIAOQIANG, LIU PENG, ZHAO BIN, YAN PEI, LIANG ZHIQIANG, LIU ZHIBING, WANG XIBIN
Принадлежит:

The invention discloses a curvature regulation and control method in an optical lens array lens forming process, which comprises the following steps: S1, reaction glass is placed on a lower mold, mold pressing is performed on the reaction glass through an upper mold and the lower mold, a plurality of grooves distributed in an array are formed in the lower surface of the upper mold, the reaction glass is melted in the mold pressing process and pressed into the grooves, and the reaction glass is pressed into the grooves; carrying out chemical reaction with the inner surface of each groove, so that a hydrophilic micro-nano structure is generated on the inner surface of each groove; s2, cooling the reaction glass, and demolding; s3, the molded glass is placed on the lower mold, mold pressing is conducted on the molded glass through the upper mold and the lower mold, the molded glass is melted in the mold pressing process and pressed into the grooves, and glass melt does not make contact with ...

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Номер записи: 1
28-07-2023 дата публикации

Experimental device for simulating degradation of cardiovascular stent in vitro

Номер: CN116499954A
Автор: QIU TIANYANG, LIU WEILIANG, PANG SHUOSHUO, LIU ZHIBING, JIAO LI, WANG XIBIN
Принадлежит:

The invention discloses an experimental device for in-vitro degradation simulation of a cardiovascular stent, which relates to the technical field of biomedical experimental devices and comprises a box body, a water bath mechanism, a temperature controller, a heating component, a temperature measuring component, a degradation mechanism, a deposition mechanism, a pulsating pump and a driving mechanism, the degradation mechanism comprises a shunting part, a loading connecting plate, a sliding block, a collecting part and a plurality of degradation functional assemblies, the driving mechanism is connected with the bottom of the sliding block, the pulsating pump comprises a pump body and a piston push rod, an opening is formed in one side of the pump body, the piston push rod is slidably installed in the pump body through the opening, and the driving mechanism is connected with one side of the piston push rod. The driving mechanism is used for driving the sliding block and the piston push rod ...

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Номер записи: 2
21-03-2019 дата публикации

FULLY MOTOR-DRIVEN PRECISION COMPRESSION MOLDING MACHINE AND OPERATION METHOD

Номер: WO2019052396A1
Автор: ZHOU, Tianfeng, DU, Yifei, ZHOU, Qin, LIANG, Zhiqiang, LIU, Zhibing, YAN, Pei, JIAO, Li, XIE, Lijing, WANG, Xibin, CAI, Zhimin
Принадлежит:

Provided are a fully motor-driven precision compression molding machine and an operation method. The compression molding machine comprises a console (100) and a feeding component (200), a compression molding machine body (300), a discharging component (400), and a rack component (500). The feeding component is configured to feed a die and a preform into the compression molding machine body. The compression molding machine body is configured to process the preform. The compression molding machine body comprises a molding mechanism (310), a shift fork mechanism (340), a forming cabin (350), and nitrogen delivery ports (360). A plurality of nitrogen delivery ports is disposed outside the compression molding machine body for inputting nitrogen into the forming cabin to ensure that the nitrogen concentration exceeds a critical point after a certain period of time so as to form a protective atmosphere, thus preventing the preform and the die from being oxidized at high temperature. The discharging ...

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Номер записи: 3
06-09-2019 дата публикации

METHOD EMPLOYING IN-SITU FILM THICKNESS MEASUREMENT TO PERFORM CUTTER REPLACEMENT DURING LARGE AREA MICROSTRUCTURE CUTTING

Номер: WO2019165903A1
Автор: ZHOU, Tianfeng, RUAN, Benshuai, TANG, Longlong, ZHOU, Jia, LIANG, Zhiqiang, JIAO, Li, LIU, Zhibing, XIE, Lijing, YAN, Pei, WANG, Xibin
Принадлежит:

A method employing in-situ film thickness measurement to perform cutter replacement during large area microstructure cutting comprises the following steps: step 110: preparation work; step 120: initial machining of a workpiece (3); step 130: coating of a transparent film (4), and using a cutting tool (1) to flatten the film by means of lathing or milling; step 140: measuring the thickness of the transparent film (4), and machining the workpiece (3); step 150: performing midway cutter replacement: changing a cutter when the cutting tool (1) is worn, and repeating steps 130 and 140; step 160: completing the machining; and step 170: removing the transparent film (4). The method allows an extra-large area, high quality, and high uniformity microstructure cutting machining.

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Номер записи: 4
16-07-2020 дата публикации

METHODS FOR ONLINE MONITORING AND SUPPRESSION OF CHATTER IN DEEP HOLE BORING PROCESS

Номер: WO2020143203A1
Автор: LIU, Zhibing, CHEN, Che, PAN, Jinqiu, LIU, Shuyao, WANG, Xibin, JIAO, Li, LIANG, Zhiqiang, XIE, Lijing, WANG, Yaowu, FENG, Caixia
Принадлежит:

Disclosed is a method for online monitoring of chatter in a deep hole boring process. The method for monitoring and suppressing chatter comprises: building a system for online monitoring of a deep hole boring process; building a boring process dynamic model for a floating boring tool; establishing relationships between drive motor current signals and dynamic characteristics of the boring process; determining states of the system at various future time points according to known inputs from outside the system, establishing relationships between external input/output variables and internal state variables by describing the state variables and solving for solutions thereof; and comparing a chatter signal with a normal process signal to realize online monitoring of early stage chatter. The methods for online monitoring and suppression enable real-time monitoring and suppression of chatter in a deep hole boring process, thereby improving the processing precision of workpieces, and reducing a ...

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Номер записи: 5
26-05-2023 дата публикации

Micro-nano optical array structure processing method

Номер: CN116165732A
Автор: ZHOU TIANFENG, WANG ZIFAN, YU QIAN, YAO XIAOQIANG, LIU PENG, ZHAO BIN, YAN PEI, LIANG ZHIQIANG, LIU ZHIBING, WANG XIBIN
Принадлежит:

The invention relates to the field of micro-nano optics, and discloses a micro-nano optical array structure processing method, which comprises the following steps of: 1, processing a plurality of open pores in the surface of a hydrophobic flat plate; step 2, placing a hydrophobic flat plate above the photoresist, enabling the hydrophobic flat plate to be in contact with the photoresist, and enabling the surface of the photoresist to form a spherical bulge at a position corresponding to each hole by utilizing the capillary phenomenon of the holes; step 3, curing the photoresist; 4, after curing is completed, the hydrophobic flat plate is removed; and step 5, carrying out ion beam etching treatment by using photoresist. Compared with a traditional ultra-precision cutting machining mode, the micro-nano optical array structure machining method is lower in cost and shorter in machining time.

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Номер записи: 6
23-06-2023 дата публикации

Process parameter optimization method and system for evaluating grinding surface quality based on force signal

Номер: CN116307169A
Автор: JIAO LI, LI YANG, ZHAO BIN, QIU TIANYANG, YAN PEI, WANG XIBIN, ZHOU TIANFENG, LIU ZHIBING, LIANG ZHIQIANG, XIE LIJING, LIU PENG
Принадлежит:

The invention discloses a technological parameter optimization method and system for evaluating grinding surface quality based on force signals, and relates to the field of intelligent grinding machining. The method comprises the following steps: acquiring a grinding force signal and surface roughness; determining a friction coefficient and effective machining time according to the grinding force signal; respectively determining multivariate nonlinear numerical models of the surface roughness, the friction coefficient and the effective machining time about the grinding input parameters; determining a multi-target numerical function model according to the multivariate nonlinear numerical model; optimizing the weight vector of each sub-objective function in the multi-objective numerical function model to obtain an optimized multi-objective numerical function model; and grinding input parameters in the optimized multi-target numerical function model are optimized, the optimal grinding input ...

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Номер записи: 7
04-04-2023 дата публикации

Robot tool coordinate system calibration method based on laser tracker

Номер: CN115900547A
Автор: LIANG ZHIQIANG, TAN HAO, FENG BOYA, WANG FEI, ZHOU LEI, DU YUCHAO, QIU TIANYANG, LIU ZHIBING, ZHOU TIANFENG, WANG XIBIN
Принадлежит:

A robot tool coordinate system calibration method based on a laser tracker comprises the steps that firstly, feature point collection is conducted on the axis of a flange at the tail end of a robot; secondly, collecting feature points required for establishing a tool coordinate system; thirdly, another axis feature point of the flange plate is collected; and finally, establishing a robot end tool coordinate system by fitting line and plane features. According to the method, the end tool of the robot can be rapidly and accurately calibrated, the calibration efficiency of the tool coordinate system is improved, feature point data collection is carried out in a one-way mode in the calibration process, and errors caused by repeated positioning of the robot are avoided. The method is simple to operate and good in calibration effect.

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Номер записи: 8
28-07-2023 дата публикации

Manufacturing method of adjacent micro-lens array

Номер: CN116500709A
Автор: ZHOU TIANFENG, WANG GANG, YAO XIAOQIANG, ZHOU JIA, LIU PENG, ZHAO BIN, YAN PEI, LIANG ZHIQIANG, LIU ZHIBING, WANG XIBIN
Принадлежит:

The invention discloses an adjacent micro lens array manufacturing method, and relates to the field of micro lens array manufacturing, and the method comprises the following steps: 1, carrying out the processing on a plane mold substrate, and obtaining a pyramid array microstructure mold; step 2, arranging a first glass preform on the upper part of a lower mold, and heating; step 3, pressurizing the pyramid array microstructure mold and the lower mold, so that the pyramid array microstructure mold is processed on the surface of the first glass preform to obtain concave pyramid microstructure glass; 4, arranging a second glass preform on the upper part of the lower mold, and heating; and 5, pressurizing the upper mold and the lower mold, and forming the second glass preform by using the surface tension of the glass material to obtain the adjacent micro-lens array. According to the manufacturing method of the adjacent micro-lens array, the problems that the adjacent micro-lens array cannot ...

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Номер записи: 9
18-04-2023 дата публикации

Wheel changing type force control abrasive belt grinding and polishing device installed on industrial robot

Номер: CN115972039A
Автор: LIANG ZHIQIANG, ZENG PEIKUN, FENG BOYA, TAN HAO, YAO PEILIN, WANG HEQING, ZHAO BIN, LIU PENG, ZHOU TIANFENG, WANG XIBIN
Принадлежит:

The invention discloses a wheel-changing type force control abrasive belt grinding and polishing device mounted on an industrial robot, which relates to the technical field of robot abrasive belt grinding, and comprises a base plate, and a power mechanism, a tensioning mechanism, a guide mechanism, a wheel-changing grinding and polishing mechanism, a force control mechanism and a flange module which are arranged on the base plate, the power mechanism, the tensioning mechanism, the guide mechanism and the wheel-changing grinding and polishing mechanism are all in contact with an abrasive belt, the power mechanism is used for providing power for movement of the abrasive belt, the tensioning mechanism is used for tensioning the abrasive belt, the guide mechanism is used for guiding the abrasive belt, the wheel-changing grinding and polishing mechanism is used for grinding and polishing a workpiece, and the wheel-changing grinding and polishing mechanism is used for grinding and polishing the ...

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Номер записи: 10
08-09-2017 дата публикации

Combined machining method for improving machining quality of composite materials and machining tool

Номер: CN0107138960A
Автор: XIE LIJING, XIANG JUNFENG, CHENG GUANHUA, HU XIN, PANG SIQIN, YI JIE, GAO FEINONG, HUO SHIYAN, HU FANG, WANG XIBIN
Принадлежит:

... 本发明公开种用于改善复合材料加工质量的复合加工方法及加工工具，属于复合材料机械加工、材料改性技术领域。本发明公开的复合加工方法，采用将铣刀和搅拌头体化复合集成的加工刀具，利用复合加工刀具铣刀对工件待加工层进行次材料去除加工，通过复合加工刀具搅拌头对铣削刚形成的加工表面立即进行搅拌摩擦二次加工。本发明公开的复合加工工具，包括铣刀部分，包括刀体、可转位铣刀片、刀片螺钉、刀垫、刀垫螺钉、凹端接口，搅拌头部分，凸端接口，固定销，锁紧滑销，锁紧螺钉，限位螺钉。本发明能够实现高速铣削和搅拌摩擦加工体式复合加工，进而改善颗粒增强型金属基复合材料的加工质量，提高加工精度和效率。 ...

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Номер записи: 11
29-08-2023 дата публикации

Method for predicting strain historical effect of metal material based on double-memory-plane model

Номер: CN116663227A
Автор: XIE LIJING, GAO FEINONG, QIU BO, CHENG FEI, LIU TONGYU, WANG XIBIN, PANG SIQIN
Принадлежит:

The invention discloses a method for predicting a historical strain effect of a metal material based on a double-memory-plane model, and belongs to the field of fatigue failure of engineering materials. The implementation method comprises the following steps: on the basis of a plastic strain breadth PSR model, considering the evolution characteristics of a microstructure, especially a grain boundary, dividing the microstructure evolution into a stable microstructure and an unstable microstructure for modeling, and meanwhile, on the basis of the evolution and failure mechanism of the unstable grain boundary under the action of the maximum cyclic load, establishing a model of the stable microstructure and the unstable microstructure; according to the method, a double-memory-plane model containing stable microstructure evolution and unstable microstructure evolution is constructed, accurate modeling of microstructure evolution of a metal material is achieved through the double-memory-plane ...

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Номер записи: 12
23-06-2023 дата публикации

Laser-ultrasonic shot peening composite strengthening device and method

Номер: CN116287612A
Автор: XIE LIJING, SUN TING, GAO FEINONG, SONG BOWEN, JIANG JIAMING, LIU TONGYU, WANG XIBIN, JIAO LI, LIANG ZHIQIANG, LIU ZHIBING
Принадлежит:

The invention discloses a laser-ultrasonic shot peening strengthening device and method, and belongs to the technical field of machining. The device comprises an ultrasonic shot peening device, a laser heating device, a laser-ultrasonic shot peening composite strengthening clamp and a workpiece fixing clamp. The ultrasonic shot blasting device comprises an ultrasonic generator, a vibration head, an amplitude-change pole, shots, an impact tool head, an impact outer cover and an impact fixed cover plate. The laser heating device comprises a laser generator, a laser galvanometer and a galvanometer fixing support. The laser-ultrasonic shot peening composite strengthening clamp comprises an impact outer cover, an impact cover plate and a workpiece fixing cover plate. The marbles are driven to move at a high speed through ultrasonic vibration and impact the surface of a sample, shot peening strengthening is achieved, and the occupied area of equipment is reduced; in addition, a laser heating ...

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Номер записи: 13
04-07-2023 дата публикации

Drill bit capable of preventing layering, debonding and burr defects

Номер: CN116373027A
Автор: XIE LIJING, ATIF MUHAMMAD, WANG XIBIN, GAO FEINONG, LIANG ZHIQIANG, LIU ZHIBING, ZHAO BIN, SUN TING
Принадлежит:

The invention discloses a drill bit capable of preventing layering, debonding and burr defects, and belongs to the technical field of cutters. The drill bit mainly comprises a handle part, a drill bit core part and a drill bit outer part, the drill core is higher than the drill exterior; and the end part structure of the drill bit is flower-shaped. The drill bit core part is provided with two cutting parts which are symmetrically distributed in the axial direction. The outer portion of the drill bit is mainly composed of a second front tool face, a second main rear tool face, a second auxiliary rear tool face and a third auxiliary rear tool face. The drill bit adopts double main cutting edges, and the core part of the drill bit adopts a small-angle peak angle and a short chisel edge, so that the self-centering and chip removal functions are improved, and the axial cutting force is reduced; a negative peak angle is adopted outside the drill bit to form a concave structure, and centripetal ...

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Номер записи: 14
07-07-2023 дата публикации

Torsion shaft fatigue test device and test method

Номер: CN116399577A
Автор: LIANG ZHIQIANG, LI XUEZHI, LI ZEKUN, GUO LIANG, BAI ZEBING, DU YUCHAO, GUO LIN, XIE LIJING, ZHOU TIANFENG, LIU ZHIBING, WANG XIBIN
Принадлежит:

The invention discloses a torsion shaft fatigue test device and method, and relates to the technical field of torsion shaft fatigue test.The torsion shaft fatigue test device comprises a support, a hydraulic cylinder, a hydraulic control system, a connecting piece and a magnetic field auxiliary device.The support is used for supporting a torsion shaft, and the two ends of the torsion shaft are the fixed end and the torsion end respectively; the fixed end is fixed on the support, and the torsion end can be rotatably arranged on the support around the axis of the torsion end; the hydraulic cylinder is used for providing torsional torque for the torsion shaft; the hydraulic control system controls the hydraulic cylinder to work; one end of the connecting piece is rotationally connected with the torsion end, and the other end of the connecting piece is rotationally connected with the free end of the hydraulic cylinder; the magnetic field auxiliary device can magnetize the torsion shaft in the ...

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Номер записи: 15