Hot Forming

The hot forming process holds significant academic and engineering importance in the automotive industry, particularly in enhancing vehicle safety and structural performance. This process involves heating high-strength hot forming steel sheets to a plastic state, allowing for the realization of complex-shaped components. The application of this technology markedly improves the ductility and tensile strength of materials, particularly in critical areas such as the A-pillar, B-pillar, C-pillar, and the central tunnel, effectively absorbing impact forces during collisions.

The tensile strength of hot forming steel sheets is about 1.4 times greater than that of conventional steel sheets, which enhances the energy absorption capacity of these structures in the event of a collision. This material characteristic is crucial for automotive safety, as it significantly mitigates potential harm to occupants. Additionally, the incorporation of bow-shaped crash beams further increases the overall rigidity of the vehicle body, providing comprehensive protection for passengers.

Furthermore, the hot forming process allows for integrated stamping, reducing the weaknesses associated with welded joints. By using high-pressure stamping equipment exceeding 7100 tons, vehicle doors can be formed in a single piece, which not only enhances the strength and rigidity of the doors but also minimizes potential failures due to connection points. Testing has demonstrated that the doors are capable of supporting the weight of multiple heavy vehicles, directly showcasing the advantages of the hot forming process in enhancing structural durability and reliability.