Coextruder MACCHI 3 layers for the production of blow film

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About Coextruder MACCHI 3 layers for the production of blow film

Coextruder MACCHI 3 layers for the production of blow film
HOT SECTION OF 2008 and cold part of of 2000/2001
2 extruders Plastex 80/30 D and 1 extruder Plastex 100 / 30 D
System that works from the down to the top
Materials: LDPE, LLDPE- MLLDPE- PP
For tubular and monolayer
Width film by dia: 550 mm : min. 1600 mm- max 2300 mm
Thickness of the film : min. 20 my – max 200 my , gap 2,4 – 1,6 mm (checked with cold motor)
Production capacity: width 2300 mm, thickness 50 my : 550 / 600 kg / h LDPE
Temperature air / cold: from 5 to 20°
The above technical data depends from the working conditions  and the type of material and the type of materials , width , thickness of materials that are compatible and workable
Technical characteristics of the machine:
Speed screw of the extruder: from 0 to 130 RPM for extruder 80
Speed screw of the extruder: from 0 to 120 RPM for extruder 100
Electrical tension: 400 V, thru-pjhase + neutral – 50 hz- installed power: 600 Kw
Use of the cold water: 65 l/min.
Pressure of the compressed air: 6 bars
For the feeding of the layers A and C:
Extruder mono-screw high performance 80/30D complete with: cylinder bimetallic, screw colony 56 at high capacity, fluted sector for the feeding and the cooling by water; 5 zones with heating zones by infrared and fans;
Motor in AC Kw 100 with digital frequency converter;
Filter changing by plate:  dia.: 80 mm , hydraulic manual moving, screws directly to the flange end of the extruder;
For the feeding of the central  layers B:
Monoscrew extruder type PLASTEX 100/30D complete with:  bimetallic cylinder, screw colmonoy 56 with high capacity,  fluted sector for the feeding and the cooling by water, 5 zones with heating zones by infrared and fans;
Motor AC Kw 150 with digital frequency conveyor :
Filter changing by plate: dia. 100 mm,  hydraulic manual moving,  screws directly to the flange end of the extruder;
Coextrusion head 3 layers fixed Coex flex TE 504 IBC complete with:
die. Dia: 550 mm, gap die: 2,4 mm, material passage, nickel plated materials by non electrolytic process, die
400 /600 , heating separated by zones in ceramic, power 19-35 kw, unit installed on trolley  with integrated system for the cooling air distribution;
DOTECO THICKNESS CONTROL
Internal cooling control system (IBC) type JET 7 integrated in the panel control with : 1 fan for the input  15 Kw, 1 fan for output 15 Kw, speed control by inverter for the fan motors, digital indicator for the air flow rate fans;
Panel control of the coextruder completed with: digital zone thermoregulator, no. 1 pressure control, 1 temperature control, static relè  for the partial  control of the thermoregulation, control of the motor engine turn of the extruder, hearing secure system for the start, start-up watch, IBC inverter for the control of the IBC
IBC system  by ultrasounds and 4 sensors for the control of the stability of the blowing film  complete with a proportion valve for the regulation of the air flow.
Additional MALE  for the DIE, dia. 550 mm, gap 1,6 mm
Independent unit for the cooling for the COEX 3 layers. Applied to the panel control for the main control and working with temperature not higher than 40 °.
Double system for the air conditioning  A>C55/15PW of the external ring  and of the IBC
Insulation of the tubes dia. 210 and 150 mm for the ring and IBC,  max length 12 – 12 m
Comunucation with Doteco
System RECOTRIM. NOT INCLUDED
Double Rewinder
Dismantled in February 2020 and immediately available

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About Coextruder MACCHI 3 layers for the production of blow film

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2x Fiap extruders, year 1995
Bielloni Castello Spa / Dolci extruder, year 2002

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