Machining method of 2024 aluminum alloy free forged piece

A processing method and free technology, applied in the field of aluminum alloy processing, can solve problems such as the limitation of 2024 aluminum alloy application field

Inactive Publication Date: 2018-05-29
SOUTHWEST ALUMINUM GRP
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] The current 2024 aluminum alloy is mostly used in the form of strip plate, but in the actual application requirements, it is often necessary to use 2024 aluminum alloy without strip structure, but due to the limitation of the current processing technology, 2024 aluminum alloy only has strip plate structure, so that the application field of 2024 aluminum alloy is limited by the limit

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  • Machining method of 2024 aluminum alloy free forged piece
  • Machining method of 2024 aluminum alloy free forged piece
  • Machining method of 2024 aluminum alloy free forged piece

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Embodiment Construction

[0023] The core of the present invention is to provide a processing method of 2024 aluminum alloy free forging, so as to realize the processing of 2024 aluminum alloy free forging, thereby broadening the application field of 2024 aluminum alloy.

[0024] In order to enable those skilled in the art to better understand the technical solutions provided by the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] Such as figure 1 As shown, a method for processing a 2024 aluminum alloy free forging provided in an embodiment of the present invention, the method includes steps:

[0026] Step S1: After thickening the square ingot, square forging and cycle forging several times, elongate and straighten to form the billet of the pre-processed free forging, the cross section of the billet corresponds to the largest cross-section of the pre-processed free forging, of course here ...

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Abstract

The invention discloses a machining method of a 2024 aluminum alloy free forged piece. The method comprises the steps that a square ingot is subjected to heading, then squaring forging and repeated cyclic forging, then the ingot is drawn and straightened to form a blank of a pre-processed free forged piece, and the cross section of the blank corresponds to the largest cross section of the pre-processed free forged piece; the blank is machined to form a semi-finished free forged piece corresponding to a finished pre-processed free forged piece product in outline size; and the semi-finished freeforged piece is heated. By means of the machining method, the 2024 aluminum alloy free forged piece can be obtained, all properties can reach or even exceed the properties of a traditional 2024 aluminum alloy band plate structure, and thus the application field of 2024 aluminum alloys is broadened.

Description

technical field [0001] The invention relates to the technical field of aluminum alloy processing, in particular to a processing method for a 2024 aluminum alloy free forging. Background technique [0002] 2024 aluminum alloy is a kind of high-strength duralumin, which belongs to Al-Cu-Mg series aluminum alloy. The plasticity is medium in the state, the spot welding is good, and there is a tendency to form intergranular cracks when gas welding is used. The machinability of the alloy after quenching and cold hardening is still good, and the machinability is low after annealing: the corrosion resistance is not high, often used Anodizing and painting methods or adding an aluminum layer on the surface to improve its corrosion resistance. It is mainly used to make various high-load parts and components (but not including stamping forgings), such as skeleton parts, skins, bulkheads, ribs, spars, rivets and other working parts below 150 °C on aircraft. [0003] The current 2024 al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21J5/00C22F1/04
CPCB21J5/002C22F1/002C22F1/04
Inventor 代芳芳
Owner SOUTHWEST ALUMINUM GRP
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