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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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Применить Всего найдено 8. Отображено 8.
21-04-2022 дата публикации

METAL-ORGANIC FRAMEWORK MATERIAL SEPARATION MEMBRANE, PREPARATION METHOD THEREFOR, AND USE THEREOF

Номер: WO2022077562A1
Автор: WU, Changjiang, WEI, Xin, LI, Hesheng, ZHANG, Xinmiao, SUN, Jie, WANG, Chenghong, WANG, Yujie, MENG, Fanning
Принадлежит:

Provided are a metal-organic framework material separation membrane and a method for preparing a metal-organic framework material separation membrane. The metal-organic framework material separation membrane comprises a base membrane and a metal-organic framework material functional layer, and the structure of the metal-organic framework material functional layer comprises an inter-embedded polyhedral structure. The preparation method for the metal-organic framework material separation membrane comprises: (1) preparing a solution containing a first organic solvent, an organic ligand, a metal compound and an auxiliary agent; (2) subjecting a base membrane to a pretreatment, involving introducing, on the surface of the base membrane, metal atoms from the metal compound of step (1); and (3) mixing the pretreated base membrane of step (2) with the solution of step (1) to obtain a first mixture, and then heating the first mixture for a reaction, so as to prepare a metal-organic framework material ...

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Номер записи: 1
17-08-2021 дата публикации

Milling, grinding and polishing integrated equipment and machining method

Номер: CN113263327A
Автор: ZHANG ZHENYU, LI YUBIAO, MENG FANNING, LIU DONGDONG, 张振宇, 李玉彪, 孟凡宁, 刘冬冬
Принадлежит:

The invention provides milling, grinding and polishing integrated equipment and a machining method. The equipment comprises a lathe bed and a machining cabin installed in the lathe bed, wherein a five-axis linkage system and a tool selecting mechanism are installed in the machining cabin, the five-axis linkage system specifically comprises a tool displacement mechanism used for adjusting a space pose of a tool and a workpiece pose adjusting mechanism used for adjusting a space pose of a workpiece to be trimmed, the tool selecting mechanism comprises a chain type tool magazine and a tool changer which are installed in the machining cabin, tool installation positions are distributed on the chain type tool magazine, various milling cutters for milling, various grinding wheels for grinding and various polishing wheels for polishing are installed in the tool installation positions correspondingly, the tool changer is used for tool replacement, the tool displacement mechanism comprises a spindle ...

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Номер записи: 2
08-08-2023 дата публикации

Flexible machining device and method for photoelectrochemical mechanical polishing of hard and brittle material complex curved surface element

Номер: CN116551555A
Автор: ZHANG ZHENYU, FAN YUANHANG, ZHOU HONGXIU, MENG FANNING, SHI CHUNJING, FENG JUNYUAN, YU JIAXIN, WEN WEI, WANG WEI
Принадлежит:

The invention provides a flexible machining device and method for photoelectrochemical mechanical polishing of a hard and brittle material complex curved surface element. The device comprises a polishing machine case, a light source, a polishing solution pool, an electrolysis device and a supporting head, and the light source is used for directly irradiating the polishing solution pool in the polishing process; a plurality of polishing brushes are fixed on the inner wall of the polishing solution tank; the electrolysis device is connected with the polishing solution tank; the light source, the polishing solution and the electrolysis device form a photoelectrolysis tank; the supporting head is connected with a threaded column, a balance weight disc and a carrying disc are connected to the lower portion of the threaded column, the balance weight disc is arranged on the carrying disc, and the supporting head is used for achieving rotary motion of the threaded column, the carrying disc and ...

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Номер записи: 3
23-06-2023 дата публикации

Coating for cutter, high-wear-resistance long-service-life coated cutter applicable to wide temperature range and preparation method of high-wear-resistance long-service-life coated cutter

Номер: CN116288150A
Автор: ZHANG ZHENYU, CHEN LEILEI, MENG FANNING, CHANG KEKE
Принадлежит:

The invention provides a coating for a cutter, a high-wear-resistance long-service-life coated cutter applicable to a wide temperature range and a preparation method of the coated cutter, the coated cutter comprises a base body and a double-layer coating deposited on the surface of the base body through a reactive magnetron sputtering method, the double-layer coating comprises a Ti coating of an inner layer sub-coating and a TiaNbbHfcWdN coating of an outer layer sub-coating, a + b + c + d = 1, a is larger than or equal to 0 and smaller than or equal to 0.34, 0lt, and a is larger than or equal to 0 and smaller than or equal to 0.35. B is less than or equal to 0.34, 0lt; c < = 0.34, 0lt; d < = 0.34. The prepared coated cutting tool has good wear resistance and long service life at the temperature of 25-800 DEG C. The outer sub-coating has excellent comprehensive mechanical properties through the solid solution strengthening effect, and the inner Ti coating is used for improving the bonding ...

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Номер записи: 4
25-07-2023 дата публикации

Metal-organic framework material separation membrane as well as preparation method and application thereof

Номер: CN116474573A
Автор: WU CHANGJIANG, WEI XIN, LI HESHENG, ZHANG XINMIAO, SUN JIE, WANG CHENGHONG, WANG YUJIE, MENG FANNING
Принадлежит:

The invention provides a metal-organic framework material separation membrane as well as a preparation method and application thereof. The separation membrane comprises a base membrane and a metal-organic framework material functional layer, the metal-organic framework material functional layer structurally comprises mutually embedded polyhedron structures, and each polyhedron is constructed by a plurality of crystal lattices. The preparation method of the separation membrane comprises the following steps: (1) preparing a solution containing a first organic solvent, an organic ligand, a metal compound and an auxiliary agent; (2) pretreating the base film, and introducing metal atoms in the metal compound in the step (1) to the surface of the base film; and (3) mixing the base membrane pretreated in the step (2) with the solution in the step (1) to obtain a first mixture, and heating the first mixture to react to prepare the metal-organic framework material separation membrane. The separation ...

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Номер записи: 5
04-04-2023 дата публикации

Strong cavitation composite polishing device and method for small-caliber grooved heat pipe

Номер: CN115890356A
Автор: ZHANG ZHENYU, WANG ZEYUN, FENG JUNYUAN, MENG FANNING
Принадлежит:

The invention provides a small-caliber groove heat pipe strong cavitation composite polishing device and method.The device comprises a liquid suction pipe, a vacuum structure, a sealing cavity, a liquid storage box, a driving mechanism, a nozzle, a polishing clamp and a clamp base, a groove heat pipe is fixed to the polishing clamp, the polishing clamp is arranged on the clamp base, and the clamp base is fixed to the bottom of the sealing cavity; polishing liquid is contained in the liquid storage box, one end of the liquid suction pipe extends into the liquid storage box, the other end of the liquid suction pipe is inserted into the sealing cavity to be connected with the nozzle, the polishing liquid in the liquid storage box is conveyed into the nozzle to be used for polishing the interior of the groove heat pipe, and the liquid suction pipe and the sealing cavity are in sealed connection through a sealing ring. The driving mechanism is connected with the nozzle and used for achieving ...

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Номер записи: 6
14-07-2023 дата публикации

Self-adaptive multi-field auxiliary chemical mechanical polishing device and method for variable-curvature complex curved surface part

Номер: CN116423351A
Автор: ZHANG ZHENYU, LI HAODONG, LI JIAXIN, YU JIAXIN, MENG FANNING, ZHOU HONGXIU, SHI CHUNJING, FENG JUNYUAN
Принадлежит:

The invention provides a variable-curvature complex curved surface part self-adaptive multi-field auxiliary chemical mechanical polishing device and a polishing method. The device comprises a rack, a shell, a polishing belt driving module, a pneumatic clamping suction cup module, a liquid collecting module, an ultrasonic loading module, an atomization liquid spraying module, an ultraviolet irradiation module, an electric control module and a control panel. On the basis of the chemical mechanical polishing principle, the mechanical removal efficiency of grinding materials in the chemical mechanical polishing liquid is improved through ultrasonic vibration, the chemical mechanical polishing liquid is catalyzed through ultraviolet light, oxidation active free radicals are generated in the chemical mechanical polishing liquid so as to improve the chemical corrosion rate between the polishing liquid and a workpiece, and efficient low-damage ultra-precision polishing of parts is achieved. According ...

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Номер записи: 7
18-07-2023 дата публикации

Magnetic ultrasonic-assisted multi-station shear thickening polishing device, polishing solution and polishing method

Номер: CN116442107A
Автор: ZHANG ZHENYU, XUE ZIHANG, LI JIAXIN, YU JIAXIN, MENG FANNING, ZHOU HONGXIU, SHI CHUNJING, FENG JUNYUAN
Принадлежит:

The invention provides a magnetic ultrasonic-assisted multi-station shear thickening polishing device, a polishing solution and a polishing method. The device comprises a case, a gantry guide rail module, a clamping module, a polishing module and a magnetic force module, the gantry guide rail module is fixed to a workbench, a guide rail can ascend and descend along a gantry frame, the clamping module is used for clamping a workpiece to be polished, the clamping module is replaced according to the curved surface characteristics of different workpieces, and simultaneous polishing of multiple kinds of workpieces is achieved; the clamping module is connected with a guide rail of the gantry guide rail module so that the clamping module can ascend and descend along with the guide rail, the polishing module is used for containing polishing liquid and achieving workpiece polishing, a powerful magnet is placed on the magnetic module, the magnetic module is connected to the outer portion of the polishing ...

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Номер записи: 8