Laser tailor welding technology features
New laser welding technology
The tailor welded blanks produced by laser welding technology have great advantages, mainly reflected in the following aspects:
1. Reduce the weight of the final body
In the application of automotive structural parts, the use of laser tailor welded blanks eliminates the need to use excess reinforcement, resulting in a reduction in overall body weight. By combining a different material and thickness in a steel plate, the overall body structure can be greatly simplified.
2. Reduce the number of auto parts
The structural accuracy of the car body can be greatly improved, and many stamping equipment and processing operations can be reduced. By using laser tailor welding technology, the rigidity of the structure is greatly improved due to the reasonable combination of the strength and thickness of the material.
Taking the application of the inner door of the automobile as an example, in the design of the vehicle body, the part has high requirements for the press forming performance. This means using a softer and thinner material. However, at the front of the same door inner panel, the joint between the hinge and the door requires sufficient strength to withstand the frequent use of the door. In the conventional process, it is necessary to use a reinforcing plate to enhance the strength of the door inner panel. This extra part requires a lot of work to complete the process in the workshop. Now, by using laser tailor welding technology, a large, softer, thinner material and a relatively small, harder, thicker material are joined by laser welding before joining into a door inner panel. Stamping into a single piece completely eliminates the need to use reinforcement.
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