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A method for processing and preparing a hemispherical metal storage tank for spacecraft fuel

A hemispherical, spacecraft technology, applied in the field of spacecraft, can solve the problems that key technologies have not made breakthrough progress, restrict the development of aerospace industry, and comprehensive performance gaps, and achieve high product yield, easy quality control, and simple processing. Effect

Inactive Publication Date: 2011-12-14
XIAN SUPERCRYSYAL SCI TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The comprehensive performance of my country's spacecraft fuel storage tanks is still far behind the advanced level of foreign countries. At present, the rubber bladder structure is mainly used, and the metal diaphragm storage tank is still in the stage of process exploration, and key technologies such as precision molding have not yet made breakthroughs. , seriously restricting the further development of my country's aerospace industry

Method used

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  • A method for processing and preparing a hemispherical metal storage tank for spacecraft fuel
  • A method for processing and preparing a hemispherical metal storage tank for spacecraft fuel
  • A method for processing and preparing a hemispherical metal storage tank for spacecraft fuel

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Effect test

Embodiment 1

[0024] The present embodiment is carried out according to the following specific steps:

[0025] 1) Mould: Process the hemispherical drawing die and flanging die according to the dimensions of the hemispherical metal storage tank to be processed;

[0026] 2) Cutting: Use a cutting machine to cut the industrial pure titanium plate into a circular shape according to the calculated size; the diameter of the cut circular shape=the diameter of the storage tank+the size of the blank holder, and the size of the blank holder is tank diameter.

[0027] 3) Trimming: Use a grinder to grind off the burrs on the edge of the cut circular plate to ensure that the edge is flat and parallel to the center plane as much as possible;

[0028] 4) Lubrication: Evenly apply a compound lubricant of butter and engine oil on both sides of the plate trimmed in the previous step, wherein butter: engine oil = 3:1, and then cover with a 0.5mm thick plastic film to make the plastic film fully contact with...

Embodiment 2

[0033] The present embodiment is carried out according to the following specific steps:

[0034] 1) Mould: Process the hemispherical drawing die and flanging die according to the dimensions of the hemispherical metal storage tank to be processed;

[0035] 2) Cutting: Use a cutting machine to cut the industrial pure titanium plate into a circular shape according to the calculated size; the diameter of the cut circular shape=the diameter of the storage tank+the size of the blank holder, and the size of the blank holder is tank diameter.

[0036] 3) Trimming: Use a grinder to grind off the burrs on the edge of the cut circular plate to ensure that the edge is flat and parallel to the center plane as much as possible;

[0037] 4) Lubrication: Evenly apply a composite lubricant of butter and machine oil on both sides of the board trimmed in the previous step, wherein butter: machine oil = 3:1, and then cover with a 1.5mm thick plastic film so that the plastic film is in full cont...

Embodiment 3

[0042] The present embodiment is carried out according to the following specific steps:

[0043] 1) Mould: Process the hemispherical drawing die and flanging die according to the dimensions of the hemispherical metal storage tank to be processed;

[0044] 2) Cutting: Use a cutting machine to cut the industrial pure titanium plate into a circular shape according to the calculated size; the diameter of the cut circular shape=the diameter of the storage tank+the size of the blank holder, and the size of the blank holder is tank diameter.

[0045] 3) Trimming: Use a grinder to grind off the burrs on the edge of the cut circular plate to ensure that the edge is flat and parallel to the center plane as much as possible;

[0046] 4) Lubrication: Evenly apply a compound lubricant of butter and machine oil on both sides of the board trimmed in the previous step, wherein butter: machine oil = 3:1, and then cover with a 1mm thick plastic film so that the plastic film is fully in contac...

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Abstract

The invention discloses a method for processing and preparing a semi-spherical metal storage tank used for an astrovehicle fuel. The method adopts pure titanium thin plates as the preparation material to prepare a metal semi-membrane type storage tank used for the astrovehicle fuel through cutting, trimming, lubricating, room-temperature deep drawing, flanging, chemical milling and other processing techniques, the semi-spherical storage tank free from the defects of drapes and scratches on the surface of the tank can be realized by adopting the method, and the requirements of tapered wall thickness or uniform wall thickness and smooth surface can be realized through chemical milling. By adopting the method for preparing the metal semi-membrane type storage tank disclosed by the invention,the processing is simple, the quality control is easy, and the product yield rate is high and reaches 90 percent above.

Description

technical field [0001] The invention belongs to the technical field of spacecraft, and relates to a metal storage tank, in particular to a method for processing and preparing a hemispherical metal storage tank for spacecraft fuel. Background technique [0002] Due to the development needs of aerospace, higher requirements are put forward for the performance of hemispherical fuel tanks for spacecraft. The performance of fuel tanks for spacecraft affects the safety and advancement of spacecraft to a certain extent. The development of my country's aerospace industry is relatively slow. Western developed countries such as the United States and Russia have been leading in the design and manufacture of metal diaphragm storage tanks. Due to the technological blockade of foreign countries, the design and manufacture of their metal diaphragm storage tanks are kept secret state. The comprehensive performance of my country's spacecraft fuel storage tanks is still far behind the advance...

Claims

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Application Information

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IPC IPC(8): B23P15/00
Inventor 王幸运周中波唐斌张利军白钰刘娣薛祥义常辉
Owner XIAN SUPERCRYSYAL SCI TECH DEV CO LTD
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