CAJ | 학술논문

在计算曲轴频率和振型过程中，针对曲轴模态分析时一直采用的是自由模态，考虑由旋转产生离心力对曲轴频率和振型的影响，计算出多种转速情况下的频率和振型，并进行比对，充分说明曲轴在实际工作过程中产生的振动情况，结果更加符合实际情况。
재계산곡축빈솔화진형과정중，침대곡축모태분석시일직채용적시자유모태，고필유선전산생리심력대곡축빈솔화진형적영향，계산출다충전속정황하적빈솔화진형，병진행비대，충분설명곡축재실제공작과정중산생적진동정황，결과경가부합실제정황。
In the calculation of crankshaft frequencies and vibration mode process ,has been using the free mode for the crankshaft modal analysis ,consider centrifugal force produced by the rotation hav‐ing the impact on the crankshaft frequencies and vibration mode ,calculate frequencies and mode shapes under multi rotate speed and make comparison ,the fully shows crankshaft vibration generated during the actual work process ,the results are more in line with the actual situation .