Taken account of the influence of random factor,reliability of rigid rotor balance is studied by stressstrength inteference model. Reliability of static balance and kinetic balance is formulated.

• 考虑随机因素的影响；应用应力强度干涉模型；研究了刚性转子平衡的可靠性.；给出静平衡、动平衡的可靠度计算公式及计算实例