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Study of Optimizing Sliding Door Efforts and Package Layout
ISSN: 1946-3995, e-ISSN: 1946-4002
Published March 28, 2017 by SAE International in United States
Citation: Yun, H., Lee, J., Choi, J., Je, M. et al., "Study of Optimizing Sliding Door Efforts and Package Layout," SAE Int. J. Passeng. Cars - Mech. Syst. 10(1):169-176, 2017, https://doi.org/10.4271/2017-01-1302.
A sliding door is one of the car door systems, which is generally applied to the vans. Compared with swing doors, a sliding door gives comfort to the passengers when they get in or out the car. With an increasing number of the family-scale activities, there followed a huge demand on the vans, which caused growing interests in the convenience technology of the sliding door system. A typical sliding door system has negative effects on the vehicle interior package and the operating effort. Since the door should move backward without touching the car body, the trajectory of the center rail should be a curve. The curve-shaped center rail infiltrates not only the passenger shoulder room, but also the opening flange curve, which results in the interior package loss. Moreover, as the passenger pulls the door outside handle along the normal direction of the door outer skin, the curved rail causes the opening effort loss. In this study, we discuss not only how the curved center rail causes negative effects on the vehicle interior package and the manual operating effort, but also how to effectively improve and optimize the sliding door system. Moreover, we propose a new design concept of a convenient sliding door system. By applying a straight center rail and a latch with a multi-link structure, we were able to decrease the center rail infiltration. Also, the performance of getting on and off the 3rd row was improved, and the manual operating effort was improved about 60%.
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