Welding quality directly determines the safety and comfort of automotive seat frames. A leading auto parts manufacturer encountered three typical pain points when producing new lightweight seat frames:
1. Uncontrollable thermal deformation: Thin-walled tubes are highly heat-sensitive. Traditional arc welding creates large heat-affected zones, leading to frame distortion. Manual correction raises costs and fails to guarantee consistent precision.
2. Poor weld quality and appearance: Conventional welding easily causes undercutting, porosity and weld oxidation. Extensive manual polishing is required for post-processing.
3. Limited production efficiency: High reliance on manual operation and low welding speed cannot match the high-cycle and flexible production demands of new energy vehicle lines.
To solve these problems fundamentally, the enterprise introduced Eagle Laser automatic welding machines and adopted laser autogenous welding technology for seat frame upgrading, realizing a full leap from traditional processing to intelligent manufacturing.
Core Application Scenarios & Production Benefits
1. Thin-walled Tube Welding: Micron-level Heat-affected Zone Eliminates Thermal Deformation
Traditional welding easily causes burn-through and deformation on thin tubes. Eagle Laser autogenous welding adopts high-energy-density laser beams (power density: 10⁶~10⁷ W/cm²) to form a keyhole effect for deep penetration welding. With highly concentrated heat, the heat-affected zone is minimized to micron level, reducing welding deformation by 70%. Workpieces meet dimensional standards directly after welding without extra shaping procedures, achieving true deformation-free welding.
2. Non-contact Precision Welding: Smooth Welds Greatly Reduce Polishing Costs
Laser welding requires no electrodes and generates no mechanical stress. Eagle Laser high-quality beam ensures smooth welds without undercutting or porosity. Precise shielding gas control effectively prevents molten pool oxidation. The improved surface finish cuts post-weld polishing and consumable costs by 40%, fully meeting strict appearance and consistency standards for automotive interior parts.
3. Automated Flexible Integration: Beam Oscillation Technology Improves Productivity
Eagle Laser welding equipment features excellent automation compatibility and can be seamlessly integrated with CNC systems and robotic arms. Equipped with circular and elliptical beam oscillation modes, the system expands weld gap tolerance, optimizes molten pool flow and reduces porosity rate. In actual mass production, welding efficiency increases by 3-5 times with shorter single-piece cycle time, perfectly adapting to multi-variety and high-volume flexible production.
Core Advantages: Industry-university-research Innovation Ensures Premium Quality
Based on superior optoelectronic industry and research institute resources in Changchun, Eagle Laser continuously optimizes laser welding technologies to support high-end automotive manufacturing:
• Superior beam quality and high anti-reflection performance: High electro-optical conversion efficiency and customizable fiber length ensure stable and consistent penetration on high-strength steel and aluminum alloy materials.
• Precise and adjustable process parameters: Built-in material process library supports accurate defocus adjustment to match various seat frame thicknesses and materials.
• Full lifecycle service: Eagle Laser provides one-stop solutions including technical consultation, scheme design, installation, commissioning and after-sales support.
About Eagle Laser
Changchun Eagle Laser Equipment Co., Ltd. is a high-tech enterprise located in Changchun New District Optoelectronics and Intelligent Manufacturing Industrial Park, the birthplace of China’s first laser. Specializing in the R&D and manufacturing of laser welding, cutting, marking and cleaning equipment, the company holds 2 invention patents and more than 20 utility model patents and software copyrights. Its products serve automotive manufacturing, precision machinery, sheet metal processing and other industries, and are exported worldwide.
Contact
Tel: 132 3430 6142
Email: sales01@flelaser.com
Website: www.flelaser.com
Douyin: Changchun Eagle Laser Equipment Co., Ltd. (More product videos)
Address: No.2888 Zhongsheng Road, North Lake Science and Technology Development Zone, Changchun City, Jilin Province, China