This paper analyses the relation of the tolerance, strength and rigidity of cyinder spiral spring and gives a method for calculating the tolerance of cylinder spiral spring.

• 在分析圆柱螺旋弹簧尺寸公差的可靠性条件和刚度的基础上提出了一个计算圆柱螺旋弹簧尺寸公差的方法。