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Welding process for aluminum profile processing

A welding process, aluminum technology, applied in welding equipment, metal processing equipment, welding/welding/cutting items, etc., can solve the problems of affecting welding effect, poor welding strength, high fatigue strength, etc., to prevent the preheating temperature from falling Too much, to ensure the strength, and it is beneficial to the effect of welding

Inactive Publication Date: 2020-04-21
ANHUI GAODE ALUMINUM
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Problems solved by technology

[0002] Aluminum alloy has high specific strength, high fatigue strength, good fracture toughness and low crack growth rate, and also has excellent forming process and good corrosion resistance. It is widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and It has been widely used in the chemical industry. The wide application of aluminum alloy has promoted the development of aluminum alloy welding technology. At the same time, the development of welding technology has expanded the application field of aluminum alloy. Thus affecting the welding effect, the welding strength is poor, so a welding process for aluminum processing is now proposed

Method used

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  • Welding process for aluminum profile processing

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0021] refer to figure 1 , a welding process for aluminum processing, comprising the steps of:

[0022] S1: Prepare the base material, prepare two aluminum profiles with a diameter of 15 to 30 mm, and add silicon materials to the aluminum profiles during production;

[0023] S2: Grinding the welded part, using stainless steel wire to brush the surface of the aluminum profile to be polished until the aluminum profile leaks metallic luster;

[0024] S3: Remove the oxide film on the surface of the aluminum material, use chemical methods to treat the surface of the aluminum material, and remove the oxide film on the surface;

[0025] S4: Preheating before welding, usin...

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Abstract

The invention discloses a welding process for aluminum profile processing. The welding process for the aluminum profile processing comprises the following steps of preparing a base material, namely, preparing two aluminum profiles with the diameters of fifteen to thirty millimeters, and adding a silicon material when the aluminum profiles are produced; grinding the positions to be welded, namely,grinding and brushing the surfaces to be ground of the aluminum profiles by using stainless steel wires until the aluminum profiles present metallic luster; removing oxide films from the surfaces of the aluminum profiles, namely, treating the surfaces of the aluminum profiles by a chemical method, and removing the oxide films from the surfaces of the aluminum profiles; preheating before welding, namely, preheating the welded positions of the aluminum profiles by using an hot-air blower; and welding by argon arc welding, adopting a tungsten electrode material in argon arc welding, adding 1.5 to2.6 percent of cerium oxide to pure tungsten, and welding and simultaneously blowing the welded surfaces by using a heat gun. According to the welding process for the aluminum profile processing, first, the welded surfaces of the aluminum profiles are ground and brushed by using the stainless steel wires, and then, the ground and brushed aluminum profiles are subjected to secondary treatment by the chemical method, so that the oxide films on the welded surfaces can be removed effectively, which ensures the strength during welding, and is beneficial to welding.

Description

technical field [0001] The invention relates to the technical field of aluminum material processing, in particular to a welding process for aluminum material processing. Background technique [0002] Aluminum alloy has high specific strength, high fatigue strength, good fracture toughness and low crack growth rate, and also has excellent forming process and good corrosion resistance. It is widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and It has been widely used in the chemical industry. The wide application of aluminum alloy has promoted the development of aluminum alloy welding technology. At the same time, the development of welding technology has expanded the application field of aluminum alloy. Thus the welding effect is affected, and the welding strength is poor, so a welding process for aluminum processing is now proposed. Contents of the invention [0003] Based on the technical problems existing in the background technology...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/16B23K9/235B23P15/00
CPCB23K9/16B23K9/235B23P15/00B23K2103/10
Inventor 黄锡新
Owner ANHUI GAODE ALUMINUM
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