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通过对阶梯式弯曲振动镗刀杆的理论分析,推导出了圆形截面和矩形截面组合的阶梯弯曲振动镗刀杆的频率方程,并对阶梯弯曲振动镗刀杆进行了试验研究。结果证明所推导的频率方程是正确的和实用的。
Through the theoretical analysis of the stepped bending vibration boring bar, the frequency equation of the stepped bending vibration boring bar with the combination of the circular section and the rectangular section is deduced, and the experimental research on the stepped bending vibration boring bar is carried out. The results show that the derived frequency equation is correct and practical.