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Friction stir welding technology for thin-wall motor casing

A technology of friction stir welding and welding process, which is applied in the field of aluminum alloy welding, can solve problems such as residual keyholes, poor repair welding effect, and influence on processing, so as to reduce processing time, reduce welding keyhole procedures, and avoid The effect of welding deformation

Inactive Publication Date: 2020-01-10
辽宁忠旺铝合金精深加工有限公司
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  • Abstract
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Problems solved by technology

[0004] In view of this, in order to solve the problem that the existing friction stir welding will leave the keyhole after the shell is welded, the keyhole needs to be repaired by MIG or TIG welding, and the effect of the repair welding is not good, which affects the follow-up processing. A Friction Stir Welding Welding Process for Thin-walled Motor Shells

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  • Friction stir welding technology for thin-wall motor casing
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  • Friction stir welding technology for thin-wall motor casing

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Embodiment Construction

[0027] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.

[0028] Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than physical drawings, and should...

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Abstract

The invention belongs to the technical field of aluminum alloy welding, and relates to a friction stir welding technology for a thin-wall motor casing. According to the technology, Phi 3 mm round holes are machined at the positions of threaded holes in the end surface of the motor casing, so that the positions of key holes and the positions of the threaded holes are overlapped, then friction stirwelding is carried out according to the predicted welding track, sealing plates are welded to corresponding water channels, the key holes of friction stir welding are reserved in the positions of circular holes, so that the processing steps of subsequent treatment of the key holes are not needed through subsequent machining, and therefore the process of repair welding of the key holes is reduced,the machining time is effectively shortened, and the production takt of the motor casing is improved.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloy welding, and relates to a friction stir welding welding process of a thin-walled motor shell. Background technique [0002] As a new type of welding technology, friction stir welding has developed rapidly in recent years. This technology belongs to solid-phase welding. The heat generated by friction between the welding tool and the base metal surface and the deformation of the material in the joint zone make the joint zone reach a high temperature state of about 0.8Tm locally instantaneously, and at the same time experience mechanical mixing of high strain rate and strong deformation. , to achieve welding. Compared with traditional fusion welding, friction stir welding has more advantages including dense structure, less defects, small residual stress, small deformation of weldment, good dimensional stability, and no complicated welding pretreatment, fast processing speed and high efficienc...

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Application Information

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IPC IPC(8): B23P15/00B23K20/12B23K20/24B23K20/26
CPCB23K20/122B23K20/24B23K20/26B23P15/00
Inventor 秦瑶于欣高雨魏旭范洪达秦鹏
Owner 辽宁忠旺铝合金精深加工有限公司
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