Tecom COEX 65-65-65 Blown Film Extruders

Used TECOM COEX 65-65-65

Number of layers 3
Film structure A-B-C
Material LDPE, LLDPE
Screw diam 1 65 L/D 30
Description 1 Extruder AC Motor 75 KW ---Gravimetric dosing unit 2 comp -
Screw diam 2 65 L/D 30
Description 2 Extruder AC Motor 75 KW ---Gravimetric dosing unit 3 comp -
Screw diam 3 65
Description 3 Extruder AC Motor 75 KW ---Gravimetric dosing unit 2 comp -
Head description Coex die head TSFK with IBC -Cooling ring KARAT 2
Die diam (mm) 350 mm gap 1,2
Thickness controll system K Design -Vario Cool 350-45
-Cooling ring Karat
-Thickness measuring device Kundig K 300
Bubble cage Basket LC 180
Panel for gussets Yes motorized panels
Take off unit Oscillating RTO2 cylinder width 2100 mm
Web guide yes type EL DR 3131
Rewinder Type Double back to back
Rewinder max reel diameter 1000
Rewinder description Automatic rewinder 2 station width 2100
automatic roll change , edge slit unit , 3 bow rollers ,
double antistatic bar

In a blown film extruder PE granulates (or other polymer) are
melted in an extruder and pushed through a circular die
extruding a tube of molten polymer.
Tube is then inflated to multiples of its initial diameter and
cooled to form a thin film.
Bobble is later collapsed and re-winded.