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Multi-layer Blown Film Extrusion
Multi-layer Blown Film Extrusion

Haul-off unit is oscillating reverse by horizontal±180。.Its structure is reasonable, so it economizes lots of energy and it is easy to maintain. By means of the reversing haul-off unit, films can be produced without requiting rotating die head, so the structure of die head is simplified. Reversing haul-off unit eliminates many problems of ling channel for the rotating die head, difficult sealing for the melt, compound leakage being easy, unsymmetrical heating, difficult maintenance, macro film tolerance and so on Haul-off unit reduces the degree of difficulty for recipe of the multi-layer co-extruded product and production technical processing control, if the blowing film line is with IBC (Internal Bubble cooling system),it can produce film with the quality of more high-grade transparency and better all round performance. The produced film is very flat, reel is high-quality by the use of reversing haul-off units. The film can meet the demand for the high-speed printing.

 

Main Technical Variables

Type

MSJ55-GS1300

MSJ60-GS1500

MSJ65-GS1700

MSJ70-GS2200

Diameter of screw

1200

1400

1600

 2000

L/D

3

3

3

3

Film thickness (mm)

0.02-0.12

0.02-0.12

0.02-0.12

0.02-0.12

Max. output (kg/h)

120

150

180

240

Raw material

MLLDPE、LLDPE、LDPE、EVA

Screw diameter (mm)

¢55×3

¢60×3

¢65×3

¢70×3

Screw L/D ratio L/D

28:1

28:1

28:1

28:1

Screw Max. rotation Speed (r/min)

15-100

15-100

15-100

15-100

Extruder driving power (kw)

22×3

30×3

37×3

45×3

The way of esteem changing of extruder

手动双工位快速换网

Manual twin-station changing screen quickly

Die structure

可带IBC膜泡风冷系统

With or without IBC(Internal Bubble Cooling system)

Air-ring structure

双风口

Dual tuyere

Reversting haul-off system

Film turning mode

水平

Horizontal

Angle of reversing

±180度

±180℃

Take-off Wide-up speed (m/min)

45

45

45

45

Total Power (kw)

85

110

140

220

Overall dimensions (mm)

1000×6000×9000

1000×600×9500

1100×7000×10000

1300×7000×12000

Weight (T)

15

20

25

30

 


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