In production, the selection of appropriate welding technology is related to the production cost, quality and safety of batteries.


Battery laser welding technology:


Battery laser welding technology is to focus the laser beam on the smaller workpiece, using its good directivity, high power density and other characteristics, can be in a very short time, the workpiece in a short time to form a heat source area, and melt it, form a solid solder joint and weld, complete the welding work.


Advantages of laser welding technology:


Using battery laser welding process, energy concentration, high precision, high efficiency, solid welding. The laser beam is easy to focus, flexible and convenient, can be redirected between tooling and obstacles, can be precise control of welding energy, to ensure the quality and beauty of welding. The whole welding process has lower heat input, less heat affected zone, lower deformation and residual stress. Non-contact battery laser welding, optical fiber transmission, has better versatility and higher automation. Laser welding technology can realize the high strength welding of a variety of materials, especially in copper, aluminum and other materials have greater advantages.


Factors affecting the quality of laser welding battery


At present, the welding technology of high-end battery mainly uses laser welding technology, but the welding quality is also greatly affected. For example, some parameters are easy to change, improper use will cause instability, therefore, in the high-speed, continuous laser welding process, it should be adjusted properly to ensure the quality of welding. The stability and reliability of welding quality directly affect the application and industrialization of battery laser welding.


Note on workpiece status:


Battery laser welding needs to be connected to the edge of the battery parts, not only the precision requirements are high, the position of the spot and the weld should be strictly consistent, and in the welding, the initial assembly accuracy of the workpiece and the focusing state of the spot will not be changed by the transfer of welding heat, this is because the laser point is small, the weld is narrow, there is no need to add filler.

Battery laser welding machine recommended: high-speed galvanometer laser welding machine

Application: square shell battery, soft pack battery pack welding, rotary nickel, rotary stud welding,


Technical Advantages:


The welding efficiency of galvanometer is more than 3 times that of the common laser spot welder.


Special laser welding software, can be point, straight line, all kinds of linear pattern welding.


Laser stability is high, laser power size is adjustable, daily maintenance free.


Laser welding power consumption is small, can expand the XY axis of motion, expand the welding range.


Xinde laser welding equipment can weld new energy lithium batteries, square shell batteries, large monomer and battery pack welding, if you have battery welding needs, welcome to consult!