Analogous to the skeleton of a body, the chassis acts as the base to all the other component areas, and it prevents any torsional deflection in the vehicle. The chassis supports sprung and unsprung mass, dynamic and static loadings, movements and stoppages—in short, a wide variety of critical vehicular functions. Hence, chassis design, both in terms of shape/form and materials, must be carefully planned.
This report explores the prevalent lightweighting options and trends for the chassis component areas with an increased focus on advanced chassis lightweighting trends that include new components as well as new technologies affecting chassis system functionalities as well as weight. Additionally, the report discusses how the latest automotive trends such as electrification, advanced driver assistance systems (ADAS), and autonomy (as well as the increasing customer requirements) are driving the weight and materials use in chassis component designs.
Wheels sub-system basics
Materials for the wheels
Chassis frame sub-systems and lightweighting
Suspension sub-systems and lightweighting
Steering sub-systems and lightweighting
Braking sub-systems and lightweighting
Conclusions and takeaways
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