LS-FT120 (2L) dual-channel large roundabout tissue cutter is used to automatically cut continuously folded tissue products, such as removable facial tissue or toilet paper. The whole machine adopts servo drive technology and frequency control technology, with enhanced cutting stability, improved cutting precision and flatness of the cut end of the paper towel. The cutting length is adjustable within the allowed range of the machine; the automatic blade grinder wheel with fixed angle ensures the quality of the sharpening. The sharpening position has a vacuum device to suck the dust and provide a cooling effect. The sharpening device uses compressed air to blow regularly for cooling.