A small blown film extruder is a compact plastic film‑processing equipment specially designed for small‑batch production. Compared with large‑scale production lines, this mini blown film extruder features small footprint, low power consumption and simple operation.
The machine is suitable for blown film extrusion of LDPE, HDPE, PE and some biodegradable PLA raw materials. Melting, extrusion, blowing, forming and winding are completed in one continuous workflow. It delivers stable extrusion performance and produces uniform film.
Machine details:
1.Compact integrated structure, saving valuable workshop space
2.Energy‑saving single screw extruder with low power consumption
3.PLC automatic synchronous control, simple and easy to operate
4.Precision die head & air ring deliver even film thickness
5.Supports virgin PE and recycled plastic material processing
6.Low investment cost and less daily maintenance work
7.Well‑suited for small workshops and new manufacturing startups
About us
Ruian Mingfeng Machinery Co., Ltd. specializes in film blowing machines, bag making machines, printing machines and plastic recycling machines. Supported by market‑driven R&D, we roll out upgraded equipment constantly. Our products are exported to Russia, Southeast Asia, the Middle East, Africa and South America and well‑recognized by overseas customers. We stick to integrity management, offering reliable machines, competitive prices and complete after‑sales services. Welcome global customers for factory visits and win‑win cooperation.
| Model | 45 model | 50 model |
| Workable Materials | HDPE | |
| Max.Film Width | 500MM | 600mm |
| Max.Extrusion Output | HDPE:35kg/hr LDPE:40kg/hr |
|
| Blown Film Thickness | HDPE:0.008-0.0.08mm LDPE:0.02-0.10mm |
|
| Extrusion Unit | ||
| Hard-face Gear Case | 133 | 146 |
| Screw Diameter | Φ45mm from Zhoushan China | Φ50mm from Zhoushan China |
| Screw Material | 38 CRMOALA 38 CRMOALA |
|
| Barrel's Material | ||
| Screw L/D | 28:1 | 28:1 |
| Main Motor Power | 7.5kw from Siemens | 11kw Siemens |
| Frequency inverter | From Taiwan Delta | |
| Cylinder Cooling | 250wx1 | 250w×2 |
| Thermo Control (zone) | 2 | 2 |
| Extrusion Die | ||
| Die Size | HD:50mm | HD:60mm |
| Screen Changer | Standard Manual | Standard Manual |
| Thermo Control (Zone) | 2 | 2 |
| Air Ring(mm) | Φ470 | Φ620 |
| Cooling Blower(kw) | 1.1 | 1.5 |
| Center Steady Stick | 1 pcs | |
| Take-up Unit | ||
| Traction Roller Width | φ138×550mm | φ138×650mm |
| Embossing Roller Width | 450mm | 550mm |
| Take up Motor(kw) | 0.75 | |
| Take Up Speed | 10-80m/min | |
| Winding Unit | ||
| Rewinding Type | Surface Friction Winder ,Single Rewinder. | |
| Rewinding shaft | manual shaft or Air expanding shaft | |
| Roller Width | 550mm | 650mm |
| Winding Motor | 10N.M | 1.1kw |
| Rewinding Speed | 10-80m/min | |
| Voltage | 380V,50HZ,3PHASE | |
| Machine Dimension | 1450x2280x3200(mm) | 1450x2480x3200(mm) |
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