Feature: 1. Unwind double magnetic powder brake automatic tension control 2. Infeed magnetic powder control and outfeed torque motor control 3. Main motor inverter motor control 4. Rewind torque motor control 5. Shaftless pneumatic printing cylinder installation 6. Pneumatic pressing roller 7. Pneumatic doctor blade, pneumatic ink pump 8. Automatic computer register 9. Independent drying and suction exhausting system
