en.Wedoany.com Reported - An equipment manufacturer located in Hebei, China, recently announced that its welding production line, equipped with a domestically-produced robotic laser welding subsystem, has officially been put into operation. The production line is primarily used for welding galvanized steel sheets. Through the collaborative operation of lasers and robots, it provides an automation upgrade path for the manufacturing industry. The welding subsystem is supplied by Shenzhen Baochenxin Laser.

Galvanized steel sheets are widely used in fields such as sheet metal processing, hardware manufacturing, automotive manufacturing, and heavy machinery. However, their laser welding presents specific process challenges—the boiling point of zinc (906°C) is much lower than the melting point of iron (1538°C). During welding, the vaporization of the zinc layer easily causes spatter and porosity, affecting weld quality. To address this scenario, Baochenxin provides a robotic welding subsystem solution, equipped with a self-developed continuous-wave fiber laser, a dual-oscillation welding head, and an intelligent control system. In actual production, the system effectively suppresses spatter through precise optical path optimization and power control, resulting in uniform, porosity-free welds that require no subsequent grinding, thereby improving product yield. Simultaneously, the fast laser welding speed, combined with the robot's high-cycle movements, increases single-station production efficiency compared to traditional manual welding. The small heat-affected zone results in minimal deformation of the galvanized sheet, eliminating the need for straightening processes and reducing overall manufacturing costs. According to feedback from production line operators, all welding parameters can be set via a single control screen, and ordinary workers can operate the system after short-term training, alleviating the pressure of welder shortages. The equipment manufacturer stated that from solution consultation to online deployment, the Baochenxin team provided in-depth technical support, shortening the production line upgrade cycle.

Baochenxin explains that this robotic laser welding subsystem is a standardized solution, designed as an integrated, "plug-and-play" intelligent welding unit featuring high integration, a rich process library, high safety, and diverse professional light source options. At the hardware level, the system uses a high-performance laser equipped with a fixed or oscillating welding head and has undergone optical optimization. The system supports the Modbus_RTU protocol, allowing remote parameter writing via the robot teach pendant and supporting diverse control methods. Operators can set all welding parameters on the touch screen. For different materials and thicknesses, Baochenxin provides welding selection guides and process packages, enabling rapid identification of the welding window to achieve deep penetration welding or heat conduction welding. Welding parameters can adjust penetration depth and width and can be stored and recalled. Operators do not need to enter the robot's working area; they can perform parameter settings and process debugging via the centralized controller from a safe zone. Regarding light sources, the standard configuration is the M-series welding version laser, with an electro-optical conversion efficiency of up to 43% and long-term output power stability of ±2%. The optional P-series laser features a power compensation function, short switching delay for microsecond-level response, and multiple protection functions. The optional ring-spot laser utilizes dual-beam welding, effectively suppressing spatter, suitable for scenarios with extremely high requirements for weld formation.

Baochenxin states that this subsystem is specifically designed for welding integrators, retrofitters, and end-users, applicable in industries such as sheet metal processing, hardware manufacturing, heavy machinery, automotive manufacturing, new energy, and 3C electronics, and has already been implemented at multiple customer sites. Furthermore, Baochenxin has also launched various subsystem forms, including split-type, integrated, customized, and mobile welding platforms. Among them, the mobile welding platform XR1500 is a new product launched at the Laser World of Photonics China in Munich. Targeting small-batch, multi-variety welding scenarios with non-fixed workstations, it integrates an air-cooled laser, an intelligent dual-oscillation welding head, and a mobile trolley platform. It supports rapid deployment and plug-and-play of collaborative robots without complex installation and commissioning, and can be flexibly applied in non-standard scenarios such as outdoor sites, high-altitude locations, and workshop corners. Baochenxin states it will continue to deepen the innovation of "laser + robot," exploring automated welding applications in different industrial scenarios.

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