XiningSeven-layer co-extruded blown film production line

A high-end, multi-layer co-extrusion platform; internal cooling within the IBC significantly enhances film transparency and intrinsic quality. Combined with high-precision diameter control and photoelectric web‑guiding, it is ideally suited for the large-scale production of high‑performance, high‑barrier functional films.

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XiningProduct Center

Phone: 400-888-8888

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Product Description

Unit Performance Characteristics

1. The horizontal reciprocating oscillation and rotation of the traction unit replace the die head’s rotation, significantly simplifying the die head structure and eliminating issues such as material leakage, sealing difficulties, and maintenance challenges caused by rotational motion. It also addresses quality problems like uneven film roll diameters and inconsistent edge tension, ensuring excellent flatness of the finished film.

2. The IBC bubble‑in‑film cooling system enhances the transparency and intrinsic quality of film products, while significantly boosting production output. A high‑precision diameter‑control system adjusts airflow by regulating fan speed, resulting in minimal deviation in bubble diameter. An EPS photoelectric web‑guidance system provides automatic correction and alignment, ensuring neat and uniform film winding.

3. The air-cushion-guided steel roller and the new flat‑pull film‑leveling roller provide rotational guidance, ensuring the film is neatly aligned and smoothly flattened.

4. High-precision molds and an efficient air-ring cooling system ensure excellent thickness uniformity of the film and high production efficiency.

Model number Model		SGM-7×1400	SGM-7×1600
Number of floors Lay		7
Maximum folding diameter of the film The biggest film folding diameter	mm	1300	1500
Film thickness Film thickness	mm	0.06-0.20
Production volume Output	kg/h	180	220
Applicable raw materials The material suitable for		EVOH,PA,LDPE,LLDPE,HDPE,MLLDPE,EVA,EAA,etc.
Screw diameter Screw diameter	mm	Φ55/Φ50/Φ45/Φ45/Φ45/Φ50/Φ55	Φ65/Φ55/Φ45/Φ45/Φ45/Φ55/Φ65
L/D ratio of the screw Screw the ratio length	L/D	30:1
Main motor power The main motor power	KW	30/22/22/22/22/22/30	37/30/22/22/22/30/37
Maximum screw speed Screw maximum speed	r/min	100
Membrane bubble cooling method Film bubble cooling form		Dual-air‑port negative‑pressure air ring (optional with automatic online thickness‑measurement air ring) for IBC film bubble internal cooling control. Double tap negative pressure air ring (can be equipped with automatic on-line thickness air ring ) IBC inside the bubble cold control
Traction speed Traction speed	m/min	0-50
Total power Total power	KW	200	260
External dimensions (Length × Width × Height) Shape dimension (L×W×H)	m	9.8×6.5×10.5	9.8×6.5×10.5