Dual cycloid gear mechanism for automobile safety pretensioners
- 期刊名字:中南大学学报(英文版)
- 文件大小:
- 论文作者:SHIN Joong-ho,KIM Chang-hyun,Y
- 作者单位:Department of Mechanical Design and Manufacturing
- 更新时间:2023-02-26
- 下载次数:次
The most conventional vehicle pretensioner system consists of an internal gear pair with involute teeth.However,it has been well known that the corresponding gear pairs are relatively weak under the situation of impact Ioadings.To improve this phenomenon,a new pretensioning gear system with cycloid teeth rather than the involute ones was proposed,and dual cycloidal gear mechanisms were designed for satisfying geometric constraints and dynamic loading conditions.The simulations of the prototypes were conducted by LS-DYNA program and the experiments for a prototype were performed for a dynamic model with impact loading devices.The results show that the better operation and the smoother motion are confirmed in the proposed cycloidal gear system rather than the conventional one without interferences between gear teeth under the impact of a crash.
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