How to reduce the paper waste by auto splicer？ For corrugator，the most important function of the auto splicer is to reduce base paper loss and it can realize non-stop paper change. The corrugated splicing machine is equipped with the function of optically laser sensor, sensing the diameter of the paper roll, which automatically adjusts the tension according to the roll diameter, and slow down in advance when it detects that the roll paper is ready to run out.