... -precision tributaries or AC frequency converter is operating steadily, high-speed, no scratches, no crease on the original sheet;2. Tension ... system controlled by independent computer motor ,can adjust speed separately or overall, and speed display;4. Sophisticated vacuum system configuration, exhaust fast , using ... ×105 Pa and 6.7×10-1 Pa;3. Coating speed: 120~200m/min;4. Total power: 4.5×4.5 ...