Bopp tape slitting machine adopts four-shaft automatic exchange roll and continuous coiling to improve work efficiency.Frequency conversion stepless speed regulation, equipped with three-stage counter, can automatically decelerate and stop when running at high speed, to ensure accurate coiling length.The unwinding tension adopts pneumatic brake control, and the rewinding tension adopts dual control. It is equipped with a clutch and an independent sliding device for the rewinding shaft, and the tension can be adjusted freely.