1. The machine adjusts the width by scale wheels, it can adjust accurately and easily when changing the width of label.
2. 3.Use two servo motor to control forming tension softly and accurately.
3. Photo sensor get the signal and send it to controller. Controller give the signal to execution equipment and keep straight film edge
4. Use servo motor control the shrink sleeves roll move left to right . The parameter of it can be set by touch screen.