A car body-in-white with enhanced torsional stiffness
A technology of torsional rigidity and body-in-white, which is applied in the field of automobile body structure, can solve the problems of increasing the manufacturing cost of a single vehicle, being unfavorable for the lightweight of the body, and increasing the weight of the whole vehicle, so as to achieve light weight, reduce the risk of cracking, and optimize transmission. The effect of the force path
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[0027] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can understand the technical solution of the present invention more clearly, but the protection scope of the present invention is not limited thereby.
[0028] Automobile body-in-white refers to the automobile body before welding but before painting, generally excluding moving parts such as four doors and two covers. In the early development process of the body structure, it is necessary to ensure that the body-in-white has sufficient torsional stiffness to meet the target value requirements , to avoid that the torsional stiffness of the body-in-white is too low, which affects the durability, NVH performance and handling stability of the whole vehicle. Noise problems such as rattle and noise can also lead to strength problems such as cracking of sheet metal parts. During the turning process of the whole vehicle,...
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