CAJ | 학술논문

通过分析主轴结构和加工过程中受载变形情况，建立了主轴优化设计的数学模型。根据邓克莱法计算得到的一阶固有频率近似值，引入动态约束条件。针对传统优化设计方法在解决主轴优化设计中出现的问题，引入粒子群优化(PSO)算法，并提出了一种惯性权重值适应性递减的粒子群(ADW)算法。将 ADW 算法用于数控机床主轴优化实例中，得到主轴结构参数优化组合。研究结果表明，运用所建立的主轴优化设计数学模型及改进粒子群算法可以得到主轴结构参数优化组合，充分显示了该研究方法的有效性。
통과분석주축결구화가공과정중수재변형정황，건립료주축우화설계적수학모형。근거산극래법계산득도적일계고유빈솔근사치，인입동태약속조건。침대전통우화설계방법재해결주축우화설계중출현적문제，인입입자군우화(PSO)산법，병제출료일충관성권중치괄응성체감적입자군(ADW)산법。장 ADW 산법용우수공궤상주축우화실례중，득도주축결구삼수우화조합。연구결과표명，운용소건립적주축우화설계수학모형급개진입자군산법가이득도주축결구삼수우화조합，충분현시료해연구방법적유효성。
A mathematical model of CNC machine tool spindle optimization design was established by analyzing the spindle’s structure and the deformation under load under the working situations.A dynamic constraint was applied according to approximate value of first natural frequency calculated by Dunkerley.The PSO algorithm was applied to solve the problems of the traditional optimization design and a particle swarm algorithm with adaptively decreasing inertia weight(ADW)was presented.ADW algorithm was used to the example of CNC machine tool spindle’s optimization.The results show that the spindle structure parameter optimization can get from the mathematical model of CNC machine tool spindle optimization design and the improved PSO algorithm,the effectiveness of this method is demonstrated.