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Lightweight and Safe: Application of High-Strength Steel Hot stamping Technology in Automotive Body
2024-08-0997
With the higher demands for lightweighting and safety, high-strength steel hot forming technology has been used more widely in automobile manufacturing.
Reducing the overall weight of a conventional vehicle by 10% can improve fuel efficiency by 6% to 8%; reducing the curb weight (empty vehicle weight) by 100 kilograms can lower fuel consumption by 0.3 to 0.6 liters per 100 kilometers. For pure electric vehicles, reducing the overall weight by 10 kilograms can increase the endurance mileage by 2.5 kilometers. The need for lightweighting is even more urgent for clean energy vehicles.
The car body is a crucial component of a vehicle, accounting for 30% to 40% of the vehicle's total weight. Therefore, a lightweight body plays a significant role in reducing the overall weight of the vehicle. And the application of hot forming technology can reduce the weight, improving fuel economy, reducing costs and emissions.
Moreover, traditional cold stamping methods face challenges with controlling springback in high-strength steel parts, resulting in poor dimensional stability and persistent issues with stamping cracks. These limitations have restricted the application of higher-strength materials. As a result, hot forming technology has rapidly advanced to address these issues.
This equipment addresses the challenge of high-strength steel stamping, replacing numerous punching and trimming dies. It can be described as "cutting through steel like clay". Suitable for batch production and continuous operation, it significantly reduces product development cycles and tooling costs. Compared to traditional robotic 3D cutting, it offers higher cutting precision, faster speeds, and smoother cut surfaces.
3D laser cutting Samples
The gantry dual-drive structure offers high stability, ensuring long-term high-speed and precise cutting. The effective cutting area can reach 6 x 4.5 meters and can realize customization further based on different needs.
In addition to performing 3D cutting of workpieces, the equipment can also be used for flat sheet cutting. The platform allows for the addition of a welding module, transforming it into a laser welding platform and providing multifunctionality. It supports continuous 24-hour production, making it suitable for mass production. Additionally, the machine’s overall safety features comply with CE international safety standards.
Hot forming technology is complex and its application in automotive manufacturing demands high precision, speed, and quality. Currently, HGLaser is working to align its laser blanking, laser cutting, and laser welding technologies and equipment with hot forming technology, striving to develop comprehensive solutions that fully support this advanced industry.
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