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Forming mold and method for aluminum alloy profile

A technology of aluminum alloy profiles and forming molds, applied in forming tools, manufacturing tools, metal processing equipment, etc., can solve the problems of insufficient mastery, high sensitivity of aluminum-lithium alloys, forming temperature, heating time, etc. problem, to achieve the effect of strong versatility, wide application, and precise control of forming temperature

Active Publication Date: 2016-09-21
COMAC +1
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Some of the aluminum-lithium alloy materials involved are still newly developed materials in foreign countries, and the relevant technical data such as material properties, processing technology standards, and structural inspection standards are not yet systematically grasped.
At the same time, due to the high sensitivity of aluminum-lithium alloy to temperature, the forming temperature and heating time have a great influence on the performance of the final part, so how to choose a reasonable time and temperature has become a difficulty in this process

Method used

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  • Forming mold and method for aluminum alloy profile
  • Forming mold and method for aluminum alloy profile
  • Forming mold and method for aluminum alloy profile

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Embodiment Construction

[0058] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific examples. For the convenience of the discussion, "up", "down", "left", and "right" are used to indicate the directions in each schematic diagram, which is conducive to the development of the discussion.

[0059] Such as figure 1 As shown, the present invention provides a preferred aluminum alloy profile forming die. The aluminum alloy profile here may include other various metal elements, for example, when lithium is added, it is an aluminum-lithium alloy profile. Various profiles can be integral profiles or profile parts, there is no limit to this.

[0060] exist figure 1 Among them, the aluminum-lithium alloy profile forming die includes an upper die 1 and a lower die 3 . The upper mold 1 has a raised portion 11 , and two upper mold shoulders 12 are formed on both sides of the raised portion 11 . The lower mold 3 has a concave portion 31 corr...

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Abstract

The invention provides a forming mold for an aluminum alloy profile. The forming mold comprises an upper mold body (1) and a lower mold body (3). The upper mold body (1) is provided with a convex part (11), and the two sides of the convex part (11) are two upper mold body shoulders (12). The lower mold body (3) is provided with a concave part (31) corresponding to the convex part (11), and the two sides of the concave part (31) are two lower mold body shoulders (32); and a heating unit (6) is arranged on the lower portion of the surface of each lower mold body shoulder (32), and the heating units (6) are subjected to temperature control through a temperature control system (4). According to the forming mold for the aluminum alloy profile, the forming temperature and the forming time can be precisely controlled. Meanwhile, the invention provides a corresponding forming method; and the forming method has the characteristics of being easy to operate, high in forming precision and capable of avoiding limitation to the thickness and strength of the profile.

Description

technical field [0001] The invention relates to a forming die for aluminum alloy profiles and a forming method thereof, in particular to a forming die for aluminum-lithium alloy profiles and a forming method thereof. Background technique [0002] Reducing structural weight and improving service performance is one of the goals of aircraft structural design, and the third-generation aluminum-lithium alloy and its manufacturing technology are effective ways and technical guarantees to achieve this goal. The overall performance of the third-generation aluminum-lithium alloy is better than that of the 2000-series aluminum alloy, which overcomes the shortcomings of the second-generation aluminum-lithium alloy, such as anisotropy and poor toughness, and greatly improves the ability to resist crack growth; at the same time, the aluminum-lithium alloy has low density, High elastic modulus, high specific strength and high specific stiffness, good corrosion resistance, weldability and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D37/10B21D22/02B21D37/16
CPCB21D22/02B21D37/10B21D37/16
Inventor 陈保国何雪婷尹铂淞陈伟忠
Owner COMAC
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