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Laser welding is a high-precision, high-efficiency welding technology,

which has been widely used in various fields, such as automotive

manufacturing, aerospace, shipbuilding, electronic equipment, medical

devices, etc.

With the development of laser technology, laser welding has also been applied in airtight devices, heat treatment fields for welding water cooling plates (liquid cooling plates). Compared to friction stir welding (FSW) and vacuum brazing, it has the characteristics of high processing efficiency, smooth and flat weld seams, low subsequent workload, stable penetration depth, and the ability to achieve precision welding.

Ultra-thin water cooling plates, battery module liquid cooling plates, water cooling plate water inlet, and irregular water cooling plates, etc., can all be easily realized using laser welding technology.

Professional Field

Currently, the technology solutions, laser equipment, and automated production lines independently developed by Xinhhe Laser have begun mass production and use in related industries such as refrigeration, containers, automation, and automotive manufacturing, and have started to be applied in heavy industries such as shipbuilding and marine engineering, aerospace, and rail transportation


High-Quality Welding

High Precision and Control

High Efficiency and Automation

Contactless Welding

Laser-focused cold plate liquid cooling radiators have been produced for many years, demonstrating strong technical strength and market competitiveness in the fields of energy storage plates, liquid cooling plates, and water cooling plates' airtight welding.

In response to the welding challenges of high-reflective metal materials such as copper and aluminum, laser innovation adopts annular spot and central point adjustabletechnology, optimizing process parameters through an advanced control systemto effectively reduce welding spatter, with no pores or cracksproduced, resulting in delicate weld seams and high quality, effectively ensuring the airtightness of cold plateliquid cooling radiators.

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Laser Welding Technology

Equipment Advantages

Service Content

The current traditional welding processes for water-cooled plates are mainly divided into: Friction Stir Welding (FSW), Vacuum Brazing, and Argon Arc Welding, etc. Traditional welding has its advantages and disadvantages: Friction Stir Welding (FSW) can weld large workpieces, and its welding strength is 70% of the base material. Brazing is suitable for mass production. These traditional welding methods have some shortcomings, for example, Friction Stir Welding has low welding efficiency, the weld seam is prone to edge rolling, the stirring head is large and cannot perform precision welding, and the key issues are (large thermal deformation after welding, troublesome post-shaping, and high secondary processing costs). Vacuum brazing has poor joint heat resistance, and the filler metal is prone to overflow, leading to flow channel blockage.

Mainstream Cooling Methods

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Liquid cooling, as the current mainstream cooling method for power/storage batteries, makes the quality of the welding process for liquid cooling plates particularly important, as it will directly affect the performance and heat dissipation effect of the liquid cooling plates.

Insufficient Traditional Methods

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