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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 4. Отображено 4.
29-08-2023 дата публикации

Preparation method of surface-hardened zirconium material sphere, zirconium material sphere and application

Номер: CN116657077A
Автор: LI TANJUN, ZHANG ERLONG, CHENG JIA, SHI HANG, LEI CHENBO
Принадлежит:

The invention discloses a preparation method of a surface-hardened zirconium material sphere, the zirconium material sphere and application, and the preparation method comprises the following steps: firstly, carrying out annealing treatment and rough machining on a zirconium material raw material; then high-temperature stress relief annealing is conducted on the ball blank subjected to rough machining; after stress relief annealing is completed, the surface of the ball is polished, and drying is conducted after ultrasonic cleaning and absolute ethyl alcohol cleaning are conducted in sequence; and finally, putting into an ion nitriding furnace for ion nitriding to obtain a finished product, namely the surface-hardened zirconium material sphere. The surface hardness of the zirconium material ball body prepared by the method disclosed by the invention is remarkably improved, the wear resistance is greatly enhanced, when the zirconium material ball body is applied to preparation of the ball ...

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Номер записи: 1
26-05-2023 дата публикации

Method for machining zirconium alloy shaft of mother liquor circulating pump

Номер: CN116160206A
Автор: DING BO, LEI CHENBO, CHENG JIA, LI TANJUN, LIU PAN, GUO RUI, WANG CAIXIA, SHI HANG
Принадлежит:

The invention discloses a machining method for a zirconium alloy shaft of a mother liquor circulating pump, belongs to the field of machining, and solves the problem of low machining precision of the zirconium alloy shaft in the prior art. Comprising the steps that a zirconium alloy bar is subjected to hot forging forming to obtain a blank, blank black skin is removed, and ultrasonic detection is conducted. And roughly turning the qualified blank subjected to ultrasonic detection to obtain a workpiece. And after rough turning is finished, annealing treatment is conducted on the workpiece in a vacuum furnace. And performing ultrasonic detection on the workpiece after the annealing treatment is finished. And carrying out semi-finish turning ultrasonic detection on qualified workpieces. And reserving each outer circle of the workpiece subjected to rough grinding and semi-finish turning, and repairing and grinding a central hole. And turning threads with key grooves at two ends on the workpiece ...

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Номер записи: 2
30-12-2015 дата публикации

Hot melt rapid prototyping device

Номер: CN0204914027U
Автор: YANG JIE, SI FUMING, ZHANG TIANCHENG, YAO ZHIXIANG, LI YANG, LIU PANMING, LI TANJUN, ZHANG LEI, ZHAO JIANHUA, YANG YIZHI, ZHOU YUAN, HE XIANGHUI, LIU JINLI, ZOU JIE, BAO CUILIAN
Принадлежит:

The utility model discloses a hot melt rapid prototyping device, include frame and the anchor clamps that are used for fixing a position moulded product, be equipped with the elevating platform of liftable on the frame, anchor clamps are rotatable to be established on the elevating platform, be equipped with telescopic hot melt tool bit in one side of anchor clamps on the frame. The product model of treating processing passes through the anchor clamps clamping position on the frame, and the elevating platform rises to the processing position with the product model, and automatic the stretching out of hot melt tool bit is processed, replaces the work of artifical high strength, has improved product model shaping quality and efficiency.

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Номер записи: 3
21-07-2023 дата публикации

Insulation joint welding process, preparation method and insulation joint

Номер: CN116460479A
Автор: YANG YONGLIANG, CHENG JIA, WANG TIANYONG, LI TANJUN, ZHANG ERLONG, TIAN LINJUN
Принадлежит:

The invention discloses an insulated joint welding process. The insulated joint welding process comprises the following steps that S1, a welding groove is machined; s2, the welding groove and the area nearby the welding groove are heated to 120 DEG C, and heat preservation is conducted for 3 h; s3, backing welding is conducted, multiple layers are continuously welded, and the welding layer thickness of each layer is larger than or equal to 2 mm; the carbon equivalent of the welding wire is limited to be smaller than or equal to 0.45%, and the cold crack sensitive index Pcm is limited to be smaller than or equal to Slowly cooling the welding seam after finishing; s4, after a backing weld joint is preheated, filling welding is carried out, and the limiting conditions of used welding wires are the same as those in S3; during welding, the temperature of the position, corresponding to the sealing ring, of the outer wall of the fixing sleeve is controlled to be 150 DEG C or below; slowly cooling ...

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Номер записи: 4