KaiyuanThree-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.

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Phone: 400-888-8888

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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	1300	1500	1700	2000
Film thickness Film Thickness	mm	0.02-0.15
Production volume Output	kg/h	150	180	220	350
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/min	100
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	120	140	180	200
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