目前，工厂中一般采用回火时效和振动时效法(VSR)对焊接构架中的残余应力进行消除。
At present, temper aging and vibration aging (VSR) are commonly applied to remove residual stress in welded frames in factories.
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。
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.
铸件经过严格的人工时效和振动时效，确保了机床的刚性、稳定性。
Casting pass by strict artificial aging and vibration aging so as to make sure the rigidity and stability of lathe.
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