Instability of compression strength of paper tube, which is during the curling process, is solved and the process capability is improved, using the orthogonal experiment.

• 对纸管产品的过程质量进行分析,利用正交实验的方法,解决了卷曲过程中,纸管耐压强度不稳定的问题,提高了工序能力水平;