The joint surface normal stress is worked out and then the minimum sleeve press-in force, by which tightening bolt number is determined, ensuring that the sleeve is fastened and the desired torque is delivered.

• 根据结合面的压强计算了压入衬套所需的最小压入力，并依此确定紧固螺钉的数量，以确保压牢衬套，满足传递扭矩的需要。