【摘要】 利用线性断裂力学原理分析影响锤杆寿命的因素 ,并找出锤杆过早破坏的原因 ,提出了以裂纹长度为根据来合理选择锤杆材料 ,从而提高锤杆寿命更多还原

【Abstract】 Based on the linear fracture mechanics principle, this article analyzes the factors that affect hammer lever life and finds reasons for hammer lever earlier failure and puts forward a method of choosing reasonably hammer lever material according to crack length so as to increase the hammer lever life.更多还原