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Rotary Die Head Double Winder High Speed Plastic Film Blowing Machine (SJ-85)
Rotary Die Head Double Winder High Speed Plastic Film Blowing Machine (SJ-85)
Rotary Die Head Double Winder High Speed Plastic Film Blowing Machine (SJ-85)
Rotary Die Head Double Winder High Speed Plastic Film Blowing Machine (SJ-85)
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Rotary Die Head Double Winder High Speed Plastic Film Blowing Machine (SJ-85)
Rotary Die Head Double Winder High Speed Plastic Film Blowing Machine (SJ-85)
Rotary Die Head Double Winder High Speed Plastic Film Blowing Machine (SJ-85)
Rotary Die Head Double Winder High Speed Plastic Film Blowing Machine (SJ-85)

Rotary Die Head Double Winder High Speed Plastic Film Blowing Machine (SJ-85)

Customization: Available
After-sales Service: 12 Months
Warranty: 12 Months
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Product Description

Basic Specifications
Model NO.
SJ-85
Type
PE Film Blowing Machine
Raw Material
PE (HDPE/LDPE/LLDPE)
Max Film Width
1800mm
Screw Diameter
85mm
Automation
Automatic
Certification
CE, ISO9001:2008, QS, GMP
Production Capacity
50 SETS/MONTH
Product Overview
SJ-85 Film Blowing Machine
High Speed Plastic Film Blowing Machine Detail

The SJ-85 Rotary Die Head Double Winder Film Blowing Machine is a high-speed production line designed for HDPE, LDPE, and LLDPE materials. It features a precision-engineered rotary die head and a robust double winding system to ensure uniform film thickness and high-quality roll output.

Technical Parameters
Max Folding Width of film 1800mm
Max. Output 160KG/H
Main Motor Power 55kw
Screw Diameter / L/D Ratio 85mm / 32: 1
Speed of Screw 5-100rpm
Barrel Cooling 1/6 HP blower * 2
Package Size 750.00cm * 350.00cm * 680.00cm
Package Gross Weight 4500.000kg
Key Components & Configuration

Extruder Unit

Equipped with a 55kw motor and high-quality 38CrMoAlA alloy steel screw/barrel with nitrogen treatment for optimum hardness and corrosion resistance.

Rotary Die Head

Includes LDPE inflation dies (250, 400mm) and a 5.5kw cooling air blower. Gear box features 3-axis steel nitride hardened gears with oil lubrication.

Take-up Unit

Fixed roller (2000mm) with pneumatic cylinder control. Take-off speed ranges from 5-80m/min powered by a 1.5KW AC motor.

Double Winder

Back-to-back double winding station with 30kg/cm torque motors, expansion air shafts (4 PCS), and manual bobbin changing/cutting.

Film Blowing Machine Parts
Control System Detail
Frequently Asked Questions
What types of raw materials can this machine process?
The SJ-85 is designed to process PE materials including HDPE, LDPE, and LLDPE.
What is the maximum output and film width capacity?
The machine offers a maximum output of 160KG/H and can produce film with a maximum folding width of 1800mm.
What are the key features of the screw and barrel?
They are made from high-quality 38CrMoAlA alloy steel, which undergoes nitrogen treatment for superior hardness and strong corrosion resistance.
How is the temperature controlled in the SJ-85?
The temperature of the screw is automatically controlled across 4 independent zones within the control cabinet.
What kind of winding system does this model use?
It uses a back-to-back double winding station with torque motors and expansion air shafts for efficient roll changing.
Does the machine come with any additional devices?
Yes, it includes an air compressor, lip air ring, heating switches, seal and slit devices (3 sets), and pneumatic roller controls.

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