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应用逐次单元法推导了锥孔环锻造变形力的计算公式，经实验验证，计算误差为－３．１％，表明采用逐次单元法可以求解较为复杂的工程计算问题，并且计算精度较高
The calculation formula of forging deformation force of tapered bore ring was deduced by successive element method. The calculated error was -3.1% by experiment, which indicated that the successive element method could solve more complex engineering calculation problems, and the calculation accuracy was high