{"id":4256,"date":"2026-04-06T09:42:05","date_gmt":"2026-04-06T09:42:05","guid":{"rendered":"https:\/\/www.bonettoautomation.com\/?p=4256"},"modified":"2026-04-08T22:06:04","modified_gmt":"2026-04-08T22:06:04","slug":"automated-assembly-and-laser-welding-line-for-battery-packs","status":"publish","type":"post","link":"https:\/\/www.bonettoautomation.com\/en\/automated-assembly-and-laser-welding-line-for-battery-packs\/","title":{"rendered":"Automated assembly and laser welding line for Battery Packs"},"content":{"rendered":"

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Automated assembly and laser welding line
\nfor Battery Packs<\/h1>\n<\/div><\/div>
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Design and construction of a high-efficiency custom line for the electric mobility sector<\/h2>\n<\/div><\/div><\/div><\/div><\/div><\/div>
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THE PROJECT<\/strong><\/h3>\n<\/div><\/div>
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Bonetto Automation offers extensive, proven expertise in the development of automated lines for the battery sector, with a core specialization in laser welding processes for battery modules and packs.<\/p>\n

The proposed line integrates advanced laser welding technologies for busbars, terminals, and critical connections\u2014ensuring precision, joint quality, and long-term reliability within a fully automated system that features comprehensive traceability across all production stages.<\/p>\n<\/div><\/div><\/div><\/div><\/div>

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THE ADVANTAGES<\/h3>\n

Full integration of module and pack assembly stages<\/strong><\/p>\n

\u2981 Full integration of module and pack assembly stages<\/strong>
\n\u2981 High-level automation throughout the entire process<\/strong>
\n\u2981 Production flow optimization, from cell-level to finished pack<\/strong>
\n\u2981 Distributed quality control across all manufacturing phases<\/strong>
\n\u2981 End-to-end traceability for cells, modules, and battery packs<\/strong>
\n\u2981 Continuous monitoring of critical process parameters<\/strong>
\n\u2981 Superior repeatability in assembly and welding processes<\/strong>
\n\u2981 Waste reduction through in-line inspections and initial sorting<\/strong>
\n\u2981 Advanced laser welding integration for high-precision connections<\/strong><\/p>\n<\/div><\/div><\/div><\/div><\/div>

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LAYOUT AND OPERATING STATIONS<\/h3>\n

The line consists of several functional stations, including:<\/h4>\n

\u2981 Cell Loading & Handling
\n\u2981 Cell Inspection, Classification & Sorting
\n\u2981 Plasma Cleaning
\n\u2981 Cell Stacking
\n\u2981 Contact Tab Welding (Laser or Ultrasonic)
\n\u2981 Busbar Laser Welding
\n\u2981 Terminal & Connector Laser Welding<\/p>\n<\/div><\/div><\/div><\/div><\/div>

\u2022 Optical Inspection
\n\u2022 BMS Assembly
\n\u2022 TIM & Adhesive Application
\n\u2022 Pack Assembly
\n\u2022 Housing Integration
\n\u2022 Isolation & Leak Test
\n\u2022 End Of Line Test (EOL)
\n\u2022 Labeling & Packaging
\n\u2022 Unloading & Palletizing<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div>

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QUALITY CONTROL AND TRACEABILITY<\/h3>\n

Continuous monitoring and process validation<\/h4>\n

\u2981 OCV (Open Circuit Voltage) for State of Charge (SoC) measurement
\n\u2981 ACIR for AC internal resistance measurement
\n\u2981 DCIR for DC internal resistance measurement
\n\u2981 Hi-pot testing for insulation verification
\n\u2981 Post-process optical inspection (e.g., weld inspection)
\n\u2981 Quality control on laser joints (busbars, terminals, connections)
\n\u2981 Insulation and leak testing on the battery pack
\n\u2981 Full End-of-Line (EoL) testing prior to unloading and packaging<\/p>\n<\/div>