5 layers BRUCKNER - DORNIER BOPP / BOPET extrusion machine ** SOLD ** Ask more informations about a similar one

Biaxially oriented polypropylene (BOPP) and Biaxially oriented polyester (BOPET) are commonly produced in tender-frame lines. In these lines material is melted through a flat extrusion die (T-die) and solidified onto a cooled roller. Material is then stretched in machine direction in an MDO. Thereafter material is stretched in transversal direction in a TDO. These processes deliver a molecule orientation in both axes, this enhances many of their properties, particularly the mechanical, impact, barrier and optical properties.

Machine Code BO35
Manufacturer BRUCKNER - DORNIER
Number of layers 5
Overhaul/renovation Origina year of manufacture: 1987, significant renovations between 1996 and 2012 seee add info.
Film structure ABCDE
Material BOPP
Output 3000 Kg/h
Width (mm) 7000
Extruder 1 Description Man Extruder Type Cascade-Tandem extruder. First screw 200mm diam, second 250mm diam. Melt pump, gravimetric mixing and dosing
Extruder 2 Description Coextruder 1 screw diam 75mm make Kraus-Maffei 75/36 year 2012
Extruder 3 Description Coextruder 2 screw diam 75mm make Kraus-Maffei 75/36 year 2012
Extruder 4 Description Coextruder 3 screw diam 125mm make Kraus-Maffei 125/36 year 2004
Extruder 5 Description Coextruder 4 screw diam 150mm make Barmag year 1999
Head description Make EDI, year 1999, with 5 layer feedblock with automatic thicknes control throu thermobolts and flexlip. Spare die available with 3 layer feedblock
Die width 960mm
Thickness controll system Automatic. 2 thickness gauges, one afret chill roller unit and one before rewinder
Chill roll unit Make Bruckner. Diam chill roller 1800mm, water bath and airblade
MDO description Make Bruckner. Preheatin LHK with air heating. Stretching rollers
TDO description Dornier. Heating steam, wax extraction system (year 2012
Corona treatment one side Softal year 1999, seconf side Plasma Werk 2012
Rewinder width 7000mm
Rewinder description Make Kampf year 2006
Slitter make Goebel
Additional information Max speed 320m/min, operating speeds 270 m/min 1996: Several interventions to improve, the speed of the machine 1997: New suprvising system and software Siemens, Symadyn D installed. Total investment; 1999: New 5 layer die , New corona treater ; 2002: New gravimetric dosing and mixing system. New communication system ; 2005: New co-extruder ; 2006: New Kampf turret winder  2009: Cooling device pull roll stand ; 2010: Investment in chain device  2012: Ozonsuction, Replacement drive control,  Modification die, New Corona, Investment in chain device,Two new co-extruders various renovation on MDO and TDO

** SOLD **


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