Application of Laser Tailored Blanks in the Manufacturing of Automobile Door Panels
5. Providing the possibility of producing wide body cars
Due to the limitation of the mill mill width, the plate width provided by the steel mill has a certain limit. With the development of the automobile industry, the demand for wide plates is becoming more and more urgent. It is an effective and economical to use laser tailor welding. Process method. The ULSAB project produced prototypes in 1998. The number of tailor welded blanks used in this ultralight vehicle reached 16 pieces, accounting for about 45% of the weight of the car. Thanks to the use of tailor welded blanks, the number of body parts was approximately Reduced by 25%, increased torsional stiffness by 65%, improved vibration characteristics by 35%, and enhanced bending stiffness.
Conclusion
The economic and technical advantages of laser tailor welded products have significantly reduced the manufacturing cost of car products and effectively improved the performance of car products, pointing out the direction for the development of new car design and manufacturing processes. The world laser tailor welding market has really passed the market introduction stage since 1996 and entered a period of rapid development. In the design of compact cars and mid-size cars that dominate the car market, the superiority of the laser tailor-welded manufacturing process is more prominent, and more and more laser tailor-welded parts are used.
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