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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 10. Отображено 10.
27-04-2011 дата публикации

Manufacturing method of gear shaft forge piece for offshore drilling platform

Номер: CN0102029347A
Принадлежит:

The invention belongs to the technical field of offshore drilling equipment and particularly relates to a manufacturing method of a gear shaft forge piece for an offshore drilling platform. The manufacturing method comprises the following steps of: smelting, namely, smelting by using a basic electric arc furnace and performing vacuum refining on a steel ladle in turn; forging and shaping, namely, performing upsetting and drawing and locally upsetting and shaping a gear part so as to obtain a continuous fiber streamline which is accordant with a tooth surface; and performing thermal treatment, namely, normalizing and tempering, quenching and cooling in an air-water intermittent way and performing oil cooling and high-temperature annealing. The gear shaft forge piece manufactured by the method can meet the requirements on high intensity and low-temperature toughness and high hardness and uniformity between gear teeth, can effectively enhance the contact fatigue intensity of the gear teeth ...

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16-12-1998 дата публикации

Siveed broken paper note and coin recovery machine for bank

Номер: CN0002300957Y
Автор: XUE ZHENGGUO, ZHENGGUO XUE
Принадлежит: XUE ZHENGGUO

The utility model relates to a sieved broken paper note recovery machine for a bank, comprising a left and a right wallboards, a support bracket, a device for conveying and sieving broken paper note, a top cover of a machine shell, etc., wherein, the device for conveying and sieving broken paper note is positioned between the left and the right wallboards, and is composed of a board for providing bank note, a wheel for separating pieces, a pressing and folding wheel and a conveyer belt. Bank note is transferred to the position between two serrated rollers of the pressing and folding wheel through the wheel for separating pieces to roll. The toughness of the bank note which can be continuously circulated is better, the note surface is flat through rolling, and the bank note is sent to a collector by the conveyor belt. The broken paper note is circulated for a long time and has no toughness, and the note surface can not keep flat though the broken paper note is carried out rolling likewise ...

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08-12-2010 дата публикации

Method for producing mandrel by utilizing 28NiCrMoV steel as raw material

Номер: CN0101905244A
Принадлежит:

The invention belongs to the technical field of production of mandrels and relates to a method for producing a mandrel by utilizing 28NiCrMoV steel as a raw material. The mandrel is formed by sorting, refining, forging, rough machining, heat treatment and fine machining. The method comprises the following steps of: when refining, pouring into a steel ingot in an EAF and LF/VD way, demoulding the steel ingot and hot conveying to forge; before forging, controlling heating temperature to 1,150-1,200 DEG C and controlling initial forging temperature to 950-1,150 DEG C and final forging temperature to 750 DEG C in the forging process; and carrying out heat treatment in a normalizing and tempering process way. In the forging process, the feeding amount and the rolling reduction of an oil press are strictly controlled during upsetting; the mandrel is forged and moulded by adopting a precise forging machine of 1,400 tons during moulding; pulling and striking speed and deflection can be strictly ...

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09-12-2015 дата публикации

Improve fan of rod rolling roll table forced air cooling ability

Номер: CN0204842486U
Принадлежит:

The utility model provides an improve fan of rod rolling roll table forced air cooling ability, belongs to wire rod roll table cooling arrangement technical field for improve the air -cooled ability of rod rolling roll table. Its technical scheme is: install water smoke cooling structure on its the fan body, water smoke cooling structure includes two hydraulics and cooling water piping, and two hydraulics set up respectively in the outside of fan body both sides air intake protection network, and cooling water piping is connected to each hydraulic. The utility model discloses the spray painting mouth switch of fetching boiling water during the use, water smoke is through the air inlet of fan inlet air built -in portion and blow off with the wind, through increasing roll table top air humidity and reducing the air -cooled ability that ambient temperature improves the roll table fan. Experimental shoing, adopt the utility model discloses rolling wire rod tensile strength improves 15 -20MPa ...

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04-07-2012 дата публикации

Manufacturing method of gear shaft forge piece for offshore drilling platform

Номер: CN0102029347B
Принадлежит:

The invention belongs to the technical field of offshore drilling equipment and particularly relates to a manufacturing method of a gear shaft forge piece for an offshore drilling platform. The manufacturing method comprises the following steps of: smelting, namely, smelting by using a basic electric arc furnace and performing vacuum refining on a steel ladle in turn; forging and shaping, namely,performing upsetting and drawing and locally upsetting and shaping a gear part so as to obtain a continuous fiber streamline which is accordant with a tooth surface; and performing thermal treatment,namely, normalizing and tempering, quenching and cooling in an air-water intermittent way and performing oil cooling and high-temperature annealing. The gear shaft forge piece manufactured by the method can meet the requirements on high intensity and low-temperature toughness and high hardness and uniformity between gear teeth, can effectively enhance the contact fatigue intensity of the gear teeth and ...

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13-08-2014 дата публикации

Processing method for grain refinement of CrNiMoV high pressure steel forging

Номер: CN103981347A
Принадлежит:

The invention relates to a processing method for grain refinement of a CrNiMoV high pressure steel forging. The processing method is capable of improving comprehensive mechanical properties of the forging and comprises the following steps: step S01, using steel scrap of grade 2 or above grade 2, nickel remnants, steel cuttings, nickel-containing pig iron and spongy iron as electroslag ingots and controlling the content of each element; step S02, carrying out pre-forging heating on the materials selected in the step S01 to a temperature of 1180 to 1210 DEG C and maintaining the temperature for 15 h; step S03, carrying out wide-anvil compaction and temperature-controlled forging on the electroslag ingots heated in the step S02; step S04, carrying out preheat treatment on a forging obtained after forging in the step S03; and step S05, carrying out quenching on the forging having undergone preheat treatment and then carrying out tempering at a temperature of 600 +/- 10 DEG C. According to the ...

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02-10-1996 дата публикации

Human leucocyte interferon spray

Номер: CN0001132098A
Принадлежит:

A spray containing liquid human leucocyte interferon (HulFN-alpha) or frozen one plus solvent for preventing viral infection of respiratory tract or local viral infections such as zoster and simple zoster contains additionally albumin, phenol and EDTA-2Na with protecting agent, antiseptic and stabilizer.

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04-01-2012 дата публикации

Method for producing mandrel by utilizing 28NiCrMoV steel as raw material

Номер: CN0101905244B
Принадлежит:

The invention belongs to the technical field of production of mandrels and relates to a method for producing a mandrel by utilizing 28NiCrMoV steel as a raw material. The mandrel is formed by sorting, refining, forging, rough machining, heat treatment and fine machining. The method comprises the following steps of: when refining, pouring into a steel ingot in an EAF and LF/VD way, demoulding the steel ingot and hot conveying to forge; before forging, controlling heating temperature to 1,150-1,200 DEG C and controlling initial forging temperature to 950-1,150 DEG C and final forging temperature to 750 DEG C in the forging process; and carrying out heat treatment in a normalizing and tempering process way. In the forging process, the feeding amount and the rolling reduction of an oil press are strictly controlled during upsetting; the mandrel is forged and moulded by adopting a precise forging machine of 1,400 tons during moulding; pulling and striking speed and deflection can be strictly ...

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10-12-2014 дата публикации

Method for acquiring target geometry outside surface data and system

Номер: CN104200010A
Принадлежит:

The invention relates to a method for acquiring target geometry outside surface data and a system. A target with magnetic locating points on the outside surface is scanned through a white light scanning head in the high-speed white light three-dimensional scanning system, acquired original target data are transmitted to a work station, surface cutting, point sampling, key point extraction and other processing are carried out through software, a geometric model of the complex target can be fast and accurately built, and the requirement for target surface element grid model data needed by electromagnetic scattering calculation is met.

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02-05-2023 дата публикации

Steel rolling control process for eliminating symmetric coarse grains of 45 steel wire

Номер: CN116037673A
Принадлежит:

The invention discloses a steel rolling control process for eliminating symmetric coarse grains of a 45 steel wire rod, and belongs to the technical field of metallurgy. The rolling control process comprises heating furnace control, rolling control and cooling control; heating furnace control: three-stage heating: in the three-stage heating, the preheating temperature is 700-800 DEG C, the heating temperature is 1030-1050 DEG C, and the soaking temperature is 1050-1070 DEG C; the total heating time is controlled to be 90-120 minutes; rolling control: the temperature of entering a finishing mill is 960-1000 DEG C, and the spinning temperature is 940-980 DEG C; the pearlite cluster grain size of the obtained 45 steel wire can reach a 6.5-7.5 level uniform state, symmetric coarse grains are completely eliminated, and the sorbite rate reaches 90% or above.

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