Based on the analysis of the effect of excitation force of vibration aging on the fatigue life of white cast iron parts, the selection gist for excitation force was determined.
从理论上分析了振动时效激振力对白口铸铁工件疲劳寿命的影响，确定了白口铸铁疲劳破坏工件振动时效激振力的选择依据。
Through the structural design and mechanical analysis, the formula of the lateral vibration frequency and excitation force has been obtained.
通过结构设计和力学分析，得出了该工具横向振动频率和激振力公式。
The structure acoustic radiation caused by longitudinal vibration of shafting is reduced by changing excitation force propagation path and adopting vibration isolator or dynamic vibration absorber.
改变轴系纵振激励传递途径，在轴系上安装纵振减振器或动力吸振器以降低结构水下辐射噪声。
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