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A friction stir welding method for aluminum alloy water-cooled motor shell

A technology of friction stir welding and water-cooled motors, which is applied in the field of component welding to achieve the effects of improving production efficiency, reducing processing time, high product quality and pass rate

Active Publication Date: 2022-03-25
辽宁忠旺铝合金精深加工有限公司
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Problems solved by technology

[0003] In view of this, the purpose of the present invention is to provide a friction stir welding method for aluminum alloy water-cooled motor shells, aiming at solving the problem of repairing keyholes after friction stir welding, so as to improve the water-cooled motor shells after welding. Product quality and pass rate, improve production efficiency

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  • A friction stir welding method for aluminum alloy water-cooled motor shell
  • A friction stir welding method for aluminum alloy water-cooled motor shell
  • A friction stir welding method for aluminum alloy water-cooled motor shell

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Embodiment Construction

[0020] The present invention will be further described below in combination with specific embodiments. Wherein, the accompanying drawings are only for illustrative purposes, showing only schematic diagrams, rather than physical drawings, and should not be construed as limitations on this patent; in order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings will be omitted, Enlargement or reduction does not represent the size of the actual product; for those skilled in the art, it is understandable that certain known structures and their descriptions in the drawings may be omitted.

[0021] The aluminum alloy water-cooled motor housing involved in this embodiment includes a housing 1, a water channel 2 arranged on the housing 1, and a pair of sealing plates 4 for respectively covering the two sides of the water channel 2. The inner diameter of the housing is It is 375mm, the outer diameter is 444mm, the width of the sealing plat...

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Abstract

The invention belongs to the technical field of component welding, and discloses a friction stir welding method for an aluminum alloy water-cooled motor shell, aiming at solving the problem of repairing a keyhole after friction stir welding, including: selecting one side of the shell and connecting with it Blind holes are drilled between the adjacent ends of the paired two sealing plates and coincident with a threaded hole to be processed on the shell; friction stir welding is used to weld the two sealing plates respectively according to the preset welding trajectory, and the The welding keyholes of the two sealing plates coincide with the blind holes; machine the blind holes into threaded holes, and machine the remaining threaded holes on the shell; repeat the above steps to process the other side of the shell . The method of the invention can avoid the problem of repairing the keyhole after welding by friction stir welding, effectively reduces the processing time, improves the production efficiency, and enables the water-cooled motor casing to obtain higher product quality and pass rate after welding.

Description

technical field [0001] The invention belongs to the technical field of component welding, and in particular relates to a friction stir welding method for an aluminum alloy water-cooled motor casing. Background technique [0002] As a new solid-phase joining technology, friction stir welding has the advantages of high quality, high efficiency, energy saving, and environmental friendliness. It has been successfully applied in the field of aluminum alloy welding in recent years. However, at the end of friction stir welding, a keyhole will be left at the end of the weld. The existence of the keyhole not only affects the aesthetics of the weld surface, but also reduces the mechanical properties of the weld to a certain extent. Therefore, in the process of engineering application, it is very necessary to repair the keyhole. There are many ways to repair the keyhole at the friction stir welding place, and MIG TIG welding is usually required to repair the keyhole. However, due to ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K20/12B23K20/26
CPCB23K20/122B23K20/26B23K2103/10
Inventor 齐芃芃殷占隆田春雨叶树茂
Owner 辽宁忠旺铝合金精深加工有限公司
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