Numerical Investigation of Welding Parameter Effects on Dynamic Stability of Medical Equipment Frames
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This study numerically investigates how welding parameters influence the dynamic stability of medical equipment frames. A set of 30 frame models with varying weld bead sizes and heat inputs was analyzed using finite element modal and harmonic response analysis. The first natural frequency varied between 62 and 91 Hz depending on welding conditions, leading to up to 2.1-fold differences in resonance amplification factors. The findings indicate that welding design plays a critical role not only in static strength but also in dynamic performance and service life of medical equipment.