This machine is suitable for producing plastic sheet materials such as polypropylene (PP), polyethylene (PE), and polystyrene (PS).
This unit consists of: the extrusion main machine, the three-roll calendering section, and the pulling and winding section.
| Main Machine Parameters | |
| Applicable Materials | PE/PP/PS/PLA/ABS/TPU etc. |
| Sheet material width | 500-720mm |
| Sheet material thickness | 0.3-2.0mm |
| High output volume | 150-180 kg/h |
| Total Power | 150 kW |
| Working Power | 60 kW |
| Voltage Requirements | 3-phase, 380V, 4-wire |
| Machine Weight | 6 tons |
| Dimensions | Length: 11" x Width: 1.5" x Height: 2.3" |
This unit is composed of the following parts:
(1) Extrusion Main Machine
1. Screw and barrel material: 38CrMoAl nitrided treatment, offering wear and corrosion resistance, durable and long-lasting.
2. Main Motor Type: AC motor with variable frequency controller, long diameter screw with good plasticization, ensuring the quality of extruded sheet material.
3. Gearbox: Specialized reducer for extruders, featuring hard teeth, high torque, high speed, and low noise.
4. Filter Mesh: Equipped with a dual-position hydraulic quick change mesh system, convenient operation and improved production efficiency.
5. Heater: Cast aluminum heating coil, fast heating speed, shortens startup time.
| Bolt diameter | Φ110mm (Zhoushan) |
| Screw thread length-to-diameter ratio | 32:1 |
| High screw speed | 80 RPM |
| Heating Coil Type | Cast Aluminum (Jiangsu) |
| Screw Cooler Fan | 85 watts (5 pcs.) |
| Temperature Control Zone | Zone 5 (3 heating plates per zone) |
| Main motor power | 55 kW (Shanghai-Gongtai) |
| Gearbox | Hardened Tooth Surface 250# (Jiangsu - Jinli) |
(II) Extrusion Die
1. Structure: Rack-style gradient channel, mold lip gap is adjusted with a tie rod, with an internal heating rod.
2. Material: High-quality carbon-forged steel, hard chrome-plated surface for channels, adjustable mold mouth width.
| Die Width | 800mm (Rout桥头陀精诚) |
| Large Extrusion Width (mm) | 720mm |
| Temperature Control Zone | Zone 5 |
| Filter Mesh Replacement Type | Hydraulic quick-change mesh |
| Heating Power | 10 kW |
Section 3: Three-Roll Calendering and Shaping
1. Transmission Method: Vertical three-roller chain transmission with variable frequency speed control.
2. Roll gap adjustment method: gap wedge screw adjustment.
Section 3: Roller Temperature Control Device
The three-roller system is cooled by recirculating water.
2. Internal helical inner liner, enhanced cooling efficiency.
3. The roller surface is electrocoated and polished.
| Upper Pressure Roller | 350×850mm (Jiangsu Ziyang) |
| Down-press roller | 350×850mm (Jiangsu Ziyang) |
| Cooling roller | 350×850mm (Jiangsu Ziyang) |
| Motor Power | 4 kW |
| Variable Frequency Drive Controller | Invt Variable Frequency Drives |
(V) Edge Trim Cutting Device
1. Material: High-grade alloy steel. 2. Rotating lower blade with adjustable lateral mount.
Section 6: Natural Cooling Roller Frame
1. Roller Specifications: φ76×800mm. 2. Material: Stainless Steel + Rubber.
Section 7: Traction Equipment
1. Roller Type: One rubber roller, one chrome-plated steel roller.
2. Drive Type: Gearbox and motor transmission, variable frequency speed regulation.
3. Roller Compression Method: Rubber roller screw spring compression.
| Traction unwinding section | |
| Rubber Roller | 18" x 32" (Jiangsu) |
| Optical Roller | 18" x 32" (Jiangsu) |
| Traction motor power | 3 kW |
| Variable Frequency Drive Control | Invt Variable Frequency Drive |
| Trimming device | Super-alloy steel |
| Air Switch | Zhejiang - Chint |
| Total Power | 150 kW |
| Operating Power | 60 kW |
| Voltage | 380V 3-phase 4-wire |
