| NEW METAL FITTING GEOMETRY AND OPTIMIZATION OF THE SWAGING PARAMETERS FOR AN AUTOMOBILE POWER STEERING HOSE |
| Seongryeol Han1, Jaehyeok Choi1, J. S. KWAK2 |
1HWASEUNG R&A Co.
2Pukyong National University |
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| ABSTRACT |
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To solve the power steering (PS) hose oil leakage problem in automobile applications, a new geometry design of the metal fitting is required, and the swaging conditions applied to the PS hose should be optimized. In this study, a new metal fitting geometry for the PS hose was proposed. A CAE simulation for both the proposed and the conventional metal fittings was conducted, and both the stress and the strain in the PS hose were compared. An experimental verification was also performed with these two different metal fittings. Additionally, the swaging conditions were optimized by the durability cycle time, which was measured in an impulse test of the swaged PS hose. For a more economical production, practical working conditions were also recommended and experimentally verified. |
| Key Words:
Power steering hose, Oil leakage, Metal fitting, Swaging process, Parameter optimization |
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