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Laser spot welding method and laser welding products

A laser spot welding and laser welding technology, applied in laser welding equipment, welding equipment, applications, etc., can solve problems such as increasing the difficulty of processing and the cumbersome process, affecting the beauty of workpieces or products, and increasing the process of eliminating traces. Achieve the effect of reducing processing steps, reducing processing costs and beautiful appearance

Inactive Publication Date: 2010-08-25
HANS LASER TECH IND GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] To sum up, the traces produced by spot welding in the industrial production process affect the appearance of workpieces or products; increasing the process of eliminating traces increases the difficulty of processing and cumbersome processes, and also increases the cost of production

Method used

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  • Laser spot welding method and laser welding products
  • Laser spot welding method and laser welding products
  • Laser spot welding method and laser welding products

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Embodiment Construction

[0026] In order to weaken the back marks on the workpiece surface during welding, a laser spot welding method was proposed.

[0027] Referring to accompanying drawing 1, a kind of laser spot welding method comprises the following steps:

[0028] Step S10, adjusting the position of the workpiece so that the bend of the workpiece fits and is easy to weld.

[0029] In step S20, laser spot welding is directly performed on the curved part of the workpiece. According to the structure of each workpiece, the bend of each workpiece is selected as the position of the welding spot, and laser spot welding is performed. The spot welding direction of laser spot welding is the inner side of the workpiece (ie, the inside of the product or the inner surface of the product), and the inner position with the largest curvature is preferably used as the welding spot position, that is, the middle of the bend. If the solder joints are placed on the mirror plane, the solder joints will be slightly d...

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PUM

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Abstract

The invention provides a laser spot welding method and laser welding products. The method comprises the following steps: S10, adjusting the positions of the workpieces to ensure the knees of the workpieces to be fit; and S20, directly carrying out laser spot welding on the knees of the workpieces. The invention weakens the back marks on the workpieces, which are generated in the process of spot welding, thus ensuring the appearances of the workpieces or the products made by the workpieces to be more beautiful.

Description

【Technical field】 [0001] The invention relates to welding technology, in particular to a laser spot welding method and a laser welding product obtained by the laser spot welding method. 【Background technique】 [0002] Welding technology is born with the appearance and application of metal. In ancient times, welding methods mainly included casting welding, brazing and forging welding; in modern times, electric arc and oxyacetylene, which can locally melt metal as high-temperature heat source, were the mainstream welding methods at that time; carbon electrode arc welding and gas welding were popularized At the same time as the application of thin-coated electrode arc welding, the quality of welding has been greatly improved; with the development of industry and the different welding requirements of different metals in various industries, especially in order to adapt to aluminum, magnesium alloys and alloy steel To meet the needs of welding, tungsten electrode and metal inert ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/22B23K26/12A47J43/24
Inventor 高云峰胡学安朱宝华
Owner HANS LASER TECH IND GRP CO LTD