3-layers Co-extrusion Internal Bubble Cooling(IBC) Haul-Off Rotary Film Blowing Equipment

Configuration of equipment and main technical parameter

Extruding machine   SJ45/30 3 set

1.       Surface of srew harden:HRC56-60

2.       Surface of barrel harden:HRC60-62

3.       Srew diameter: Φ45mm,length to diameter:30:1

4.       Srew rotary speed:15-120rpm.

5.       The maximum product power of single extruder:70Kg/h(SJ45/30)

6.       Barrel heating power:about11Kw

7.       Barrel heating section:3 section

8.       Drive motor:22Kw frequency motor

3-layer co-extrusion cooling mold and air-ring

1.       Mould specification: Φ250mm

2.       Mouthpiece clearance:2.3mm

3.       Mould material:40Cr

4.       Heating method: stainless steel heating ring.

5.       Heating power:about 15Kw

6.       Section of temperature control:4 sections

7.       External cooling air ring:7.5Kw,transducer controls speed.

IBC system

Blowing film auxiliary:include haul-off auxiliary and winder auxiliary

1.      Haul-off auxiliary:4-layer framestableoperation convenient.

2.      Winder:double friction passive wind,AB winder adjustable

3.      EPS photoelecron correct error system,automatic correct error guide

4.      Tensility closed ring control system