Analysis reduces weight of the truck suspension system using composite materials, indicating improved properties.
The purpose of the work is to reduce the weight of the rear suspension system of a truck with a gross weight of 3500 kg.Methods. To reduce the weight and determine the required mechanical characteristics of the suspension system, a search is carried out for rational parameters of a spring made of fiberglass, taking into account the manufacturing features using the finite element analysis method.Results. A rational design of a composite spring from the point of view of minimum weight is obtained. The optimal distribution of composite layers and its reinforcement angles across the spring thickness is determined. The load characteristic of the resulting spring, made using a polymer composite material, is constructed.Conclusion. Optimization of the composite spring made of fiberglass is carried out. The resulting spring has a nonlinear load characteristic. Under the action of a dynamic force, the spring failure criterion does not exceed 1, which indicates its operability.
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Evseev et al. (2025) studied this question.
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