
Dual Head Plastic Film Blowing Machine is a high-efficiency and energy-saving professional plastic film processing equipment, specially designed for continuous extrusion and blowing molding of PE and other plastic raw materials.
Dual Head Plastic Film Blowing Machine adopts an optimized dual-head parallel layout design, with two sets of high-precision die heads matched with independent air supply and molding systems. The die head is made of high-quality alloy materials with fine processing technology, which ensures uniform discharging and stable film thickness during the extrusion and blowing process. Equipped with a high-precision screw extrusion system with a reasonable length-diameter ratio, it can fully plasticize plastic raw materials such as LDPE and HDPE, effectively improving the melting uniformity of raw materials. In addition, the equipment is equipped with an intelligent traction and winding device, which can synchronously control the operation of the two production lines. The traction speed and winding tension are adjustable in real time, avoiding film wrinkling, stretching and uneven winding problems, and greatly improving the yield of finished products.
About us

Ruian Mingfeng Machinery Co., Ltd. is a specialized manufacturer engaged in the R&D and production of plastic machinery. Our main product range covers blown film machines, plastic bag making machines, printing machines, as well as plastic recycling equipment.
Since establishment, we have kept market-oriented development and focused on technical innovation to launch continuously upgraded machine models. Supported by reliable product quality and trustworthy brand credibility, our equipment enjoys strong sales across the globe. Our products have been exported to Russia, Southeast Asia, the Middle East, Africa, South America and numerous other regions, earning consistent recognition and trust from customers worldwide.
| Model | SJ-55 |
| Raw Material | HDPE / LDPE / LLDPE |
| Film Layers | 1 Layer |
| Screw Configuration | Φ55mm × 2 |
| Screw L/D Ratio | 30:1 |
| Main Motor Power | 18.5kW × 2 |
| Max. Folding Width | 500mm × 2 |
| Film Thickness | 0.006 ~ 0.08 mm |
| Total Output | 60 ~ 110 kg/h |
| Air Ring | 2 Sets |
| Winding System | Two-station surface friction winding |
| Cooling Blower | 3.0kW × 2 |
| Heating Power | 36 kW |
| Machine Weight | 4200 KG |
| Overall Dimension | L5600 × W2600 × H6800 mm |
| Optional Parts | Rotary Die Head, Auto Material Loader, Online Edge Trim Recycling Machine, Dual Frequency Conversion Tension Winding, Silent Blower |
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