| Special gearbox: hard tooth surface, high torque, low noise | Whole machine full frequency conversion speed control |
Screw material: 38 crMoAL Nitriding layer thickness: 0.4-0.7mm | Chrome plated surface of roller 0.08-0.18mm Surface hardness: HRC58-62 Roughness: ≥Ra
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| Screw five-zone heating control | Die head three to five zone heating control |
| Hydraulic double station network system | Energy-saving die head |
| Synchronous 45° three-roll calender control system | Other electrical parts: Schneider Electric |
| PID adjustment of temperature control system, with memory anti-interference digital temperature controller |
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