
Description
This 3 layer co-extrusion blown film machine can produce ground shack and package film of LDPE, HDPE, LLDPE. The screw and barrel of Extruder are made of high quality alloy steel, nitrided and manufactured by precision machining. They are provided with very hard surface to resist corrosion and adrasion. Temperature is regulated automatically and accurately. It is adopted surface friction, double winder,and automatic meter counter,which is easy to operate.
3 layer co-extrusion blown film machine features:
Material of screw and barrel: Alloyed high-quality steel 38CrMoAlA with optimum hardness and strong corrosion resistance after precision finishing and nitrogen treatment
Heaters: stainless heaters
3 layer co-extrusion blown film machine control Panel
1. Temperature of barrel and die head controlled by digital temperature controller
2. Inverter controls main motor driving speed and film taking up motor running speed
3. Electronics used are all Chinese top brand
4. Current meters and Voltage meters show the working state of motors
5. Small fan installed to avoid high temperature caused by long time running

Ruian Mingfeng Machinery Co., Ltd. was established in 2020 and is committed to the development and production of environmentally friendly bag making equipment. Provide customers with professional technical consultation, installation and commissioning, training and operation, and a whole set of professional service system.
As a manufacturer of bag making machines serving the world, we always put quality innovation first, from R&D design, parts procurement, assembly production, quality inspection and evaluation, sales to after-sales and other systems, to truly meet customer needs

Offer bag-making machines with the best quality and solutions.
1. Designing upon customer's project requirements.
2. Complete solutions from A to Z depending on your bag-making machine.
3. Drawing of machines and layout.
4. Machine proceeds to manufacture.
Professional and dedicated after-sales service.
1. Pre-shipment testing
2. Delivery to customer factory.
3. Phone services for the consumers' requirements on assembling products;
4. The video instructs the consumers on how to get the heaters to work or other problems.

Ruian Mingfeng Machinery Co.,Ltd.
Our address
NO. 2568 Dongshan Economic Industry, Ruian, Zhejiang Province, Wenzhou, Zhejiang, China 325200
Phone Number
86-151-67807851
mingfengmachinery@163.com

Main Technical Parameter:
| Workable Materials | LDPE/LLDPE/HDPE |
| Max.Film Width | 1100mm |
| Max.Extrusion Output | LDPE:140kg/hr |
| Blown Film Thickness | LDPE:0.03-0.15mm |
| Gear Box | 146/173/146 |
| Screw Diameter | Φ50/Φ55/Φ50 from Zhoushan China |
| Screw Material | 38 CRMOALA |
| Barrel's Material | 38 CRMOALA |
| Screw L/D | 30:1 |
| Main Motor Power | 15KW/22KW/15KW FROM CHINA SHANGHAI CONTROL BY INVERTER |
| Cylinder Cooling | 370WX2X2 |
| Thermo Control (zone) | 3 |
| Die Size | LD:¢200MM |
| Die Rotary Device | 360°Continue Rotary |
| Screen Changer | Standard Manual |
| Thermo Control (Zone) | 3 |
| Air Ring(mm) | 1 pc DOUBLE LIP AIR RING 1000 |
| Cooling Blower(kw) | 7.5KW CONTROL BY INVERTER |
| Traction Roller Width | φ150×1100MM CONTROL BY CYLINDER |
| Take up Motor(kw) | 2.2KW CONTROL BY INVERTER |
| Take Up Speed | 5-30m/min |
| Winding Unit | |
| Rewinding Type | Surface Friction Double winder (back to back winder) |
| Roller Width | 1300mm |
| Winding Motor | 1.5kw |
| Rewinding Speed | 5-30m/min |
| Voltage | 380V,50HZ,3PHASE |
| Machine Dimension | 6800x2600x6500mm |
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