KunmingThree-layer co-extruded blown film production line

In‑die cooling significantly boosts production output and enhances transparency; a horizontal oscillating‑rotary draw‑down system replaces the die‑head rotation, completely eliminating issues such as material leakage, sealing difficulties, and maintenance challenges, while delivering excellent film flatness.

Product Description

Unit Performance Characteristics

1. With internal bubble cooling, the unit’s production capacity is significantly increased, film transparency is enhanced, and the internal cooling system is advanced and reliable, resulting in minimal deviation in the bubble diameter.

2. The traction machine employs a horizontal oscillating rotary mechanism, ensuring smooth rotation and stepless speed regulation.

3. Replacing the die head’s rotation with a stationary design simplifies the die head structure and completely resolves longstanding issues such as material leakage, sealing difficulties, and maintenance challenges caused by rotating die heads.

4. It has overcome quality issues such as uneven film roll diameter and inconsistent edge tension, ensuring excellent flatness of the film.

 

Model number
Model
Unit SGM-3×1400 SGM-3×1600 SGM-3×1800 SGM-3×2200
Number of floors
Layers
 3
Maximum folding diameter of the film
Max Film Folding Diameter
mm 1300150017002000
Film thickness
Film Thickness
mm 0.02-0.15
Production volume
Output
kg/h150180220350
Applicable raw materials
Suitable Raw Materials
  LDPE, LLDPE, HDPE, MLLDPE, EAA, EVA, etc.
Screw diameter
Screw Diameter
mm Φ45/Φ65/Φ55 Φ55/Φ65/Φ55 Φ55/Φ75/Φ55 Φ65/Φ75/Φ65
L/D ratio of the screw
Screw L/D Ratio
L/D 30:1
Main motor power
Main Motor Power
kW 22/37/30 30/37/30 30/45/30 37/45/37
Maximum screw speed
Max Screw Speed
r/min100
Membrane bubble cooling method
Film Bubble Cooling Type
  Double Air Outlet Negative Pressure Air Ring (Optional Automatic On-line Thickness Measurement Air Ring), IBC Internal Bubble Cooling System
Traction speed
Traction Speed
m/min 5-50
Total power
Total Power
kW 120140180200
External dimensions (length × width × height)
Overall Dimension(L×W×H)
m 9×7×8.5 9×8×9 10×8×10 11×8.5×12