Leveling process for aluminum alloy asymmetric composite board
An asymmetric, aluminum alloy technology, applied in the field of metal processing, can solve problems such as plate warping, warping deformation, and affecting the effective application of products, and achieve the effect of improving quality and excellent processing performance
Inactive Publication Date: 2019-01-15
DALIAN HUICHENG ALUMINUM
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Problems solved by technology
[0002] Aluminum alloy composite plate MX52 is often used in different fields such as military industry and armor because of its high strength, toughness and breakdown resistance. Performance, after solution quenching and stretching, the plate often shows different degrees of warping and deformation. At the same time, due to the influence of quenching residual stress, it is also very easy to produce warping and deformation in the subsequent machining process. To a certain extent Limit and affect the effective application of its products
Method used
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Embodiment 1
[0015] Embodiment 1, taking the aluminum alloy composite plate MX52 18mm plate as an example, the following steps are taken for leveling:
[0016] a. Put the aluminum alloy composite plate MX52 18mm plate into the roller hearth furnace for solution quenching treatment, the heating temperature range is 475±3°C, the holding time is 105min, the quenching speed is 400mm / s, the quenching water volume is 75 l / s, 135 l / s, quenching water temperature 20~38℃;
[0017] b. Put the quenched MX52 18mm plate into the plate stretching machine for standardized plastic tensile deformation, and give a stretching amount of less than 1.0% according to the actual flatness of the plate;
[0018] c. Put the stretched MX52 18mm plate into the hydraulic leveler for leveling operation. According to the actual deformation of the plate, set the pressing displacement of 1.5 times the deformation, and work at a speed of 4-10mm / s For leveling.
[0019] The aluminum alloy composite plate MX52 18mm plate p...
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The invention discloses a leveling processing for an aluminum alloy asymmetric composite board. The leveling process comprises the following steps: a, putting the aluminum alloy asymmetric composite board into a roller hearth furnace for carrying out solution and quenching treatment; b, putting the board subjected to quenching treatment into a board stretcher for carrying out normative plastic tensile deformation, and providing smaller than 1.0 percent of stretching quantity according to the actual flatness condition of the board; c, putting the stretched board into a hydraulic leveler for carrying out leveling operation. The leveling processing for the aluminum alloy asymmetric composite board, disclosed by the invention, has the advantages that the treated aluminum alloy asymmetric composite board MX52 board retains original performance of the aluminum alloy asymmetric composite board, and also obtains excellent processing performance; the integral flatness of the composite board isimproved while buckling deformation generated in the subsequent machining process is avoided, and the quality of a product is greatly improved.
Description
technical field [0001] The invention relates to a metal treatment method, in particular to a flatness treatment method for an aluminum alloy asymmetric composite plate. Background technique [0002] Aluminum alloy composite plate MX52 is often used in different fields such as military industry and armor because of its high strength, toughness and breakdown resistance. Performance, after solution quenching and stretching, the plate often shows different degrees of warping and deformation. At the same time, due to the influence of quenching residual stress, it is also very easy to produce warping and deformation in the subsequent machining process. To a certain extent Limit and affect the effective application of its products. Contents of the invention [0003] The purpose of the present invention is to solve the above-mentioned technical deficiencies in the aluminum alloy asymmetric composite plate, and provide a leveling process for the aluminum alloy composite plate MX52...
Claims
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Patent Timeline
Login to View More IPC IPC(8): C22F1/04B21D1/00
CPCB21D1/00C22F1/002C22F1/04
Inventor 高雅何建伟杨晓光于国林孙敬革李伟许晨玲焦兴贵邙晓斌李绍威曲荛焦健刘宝成王文成徐丽君李兵杨恒瑞高博
Owner DALIAN HUICHENG ALUMINUM