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Flexible processing method of ribbed thin-wall large-sized aluminum alloy cylinder

A flexible processing, aluminum alloy technology, applied in the direction of building components, etc., can solve the problems of time-consuming machining and deformation of the overall structure

Inactive Publication Date: 2017-12-08
WUHAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The design process at this stage is generally to design different rib structures according to the use requirements, then manufacture thick-walled plates, and then remove the remaining material through a large number of machining, and finally form thin-walled tubes with ribs. The machining during this period is time-consuming. At the same time, it will cause problems such as deformation of the overall structure, so it is necessary to invest a lot of manpower and financial resources to ensure the structural quality of the thin-walled tube with ribs

Method used

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  • Flexible processing method of ribbed thin-wall large-sized aluminum alloy cylinder
  • Flexible processing method of ribbed thin-wall large-sized aluminum alloy cylinder
  • Flexible processing method of ribbed thin-wall large-sized aluminum alloy cylinder

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Embodiment 1

[0032] Diameters cut from aluminum alloy ingots mm and 500 mm in height, the overall heating and heat preservation to the forging temperature is 430-465 ℃, upsetting on the press to a height of 400 mm, and then punching out the diameter with a punch mm hole; the inner hole The ring billet of mm is transferred to the ring rolling machine, and the outer diameter is rolled out mm, inner diameter After cooling, flatten the end face of the ring, finish the inner and outer diameters, and round the corner R3mm; heat and keep the finished round ring billet to a forging temperature of 430-465°C, and place it in the extrusion cavity In the process, extrude a thin-walled aluminum alloy small-diameter cylinder with inner ribs ( mm), and then cut the small-diameter cylinder along the generatrix, and unfold it into the thin-walled plate with ribs shown in the figure.

[0033] Weld two thin-walled plates with ribs together to obtain a large thin-walled plate with ribs, then roll th...

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Abstract

The invention provides a flexible processing method of a ribbed thin-wall large-sized aluminum alloy cylinder. According to the method and through the technical processes of punching cylindrical aluminum alloy billets, performing ring rolling, performing axial extrusion, dividing a unit body, performing welding integration and the like, flexible batched production of a series of ribbed thin-wall large-sized aluminum alloy cylinder structural pieces with different diameter can be realized. According to the method, the process, with large rib part machining quanity and long processing cycle, of the thin-wall large-sized aluminum alloy cylinder structural piece in the past is changed, the production efficiency and the stability of the cylindrical pieces are greatly improved, and the manufacturing cost and the development cycle are reduced.

Description

technical field [0001] The invention belongs to the technical field of processing a large thin-walled aluminum alloy cylinder with ribs, and in particular relates to a flexible processing method for a large thin-walled aluminum alloy cylinder with ribs. Background technique [0002] Thin-walled large aluminum alloy cylinders with ribs are widely used in the structures of various types of space vehicles. At the same time, space vehicles have different thrusts and different design requirements, so the structure with ribs and the spacing between the ribs are also different. There are a large number of thin-walled tube structures with ribs of different specifications and sizes in the large-scale structure of the tool. The size of these ribbed thin-walled tube structures is close to the limit size, for example, the wall thickness is about 2 mm, and the rib height is about 50 mm, which has become a difficult problem in the design and manufacture of vehicles, and often becomes a ke...

Claims

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Application Information

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IPC IPC(8): B23P15/00
CPCB23P15/00F16S5/00
Inventor 华林兰箭钱东升邓加东
Owner WUHAN UNIV OF TECH
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