3 layers BRUCKNER DT BOPP / BOPET tenderframe plant ** 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 BO33
Manufacturer BRUCKNER
Model DT
Year 1998
Number of layers 3
Film structure ABC
Material BOPP
Width (mm) 6200
Extruder 1 Description Melting extruder 180mm diameter. 1600 kg/h output. L/D 21 barrel lenght. Plain feeding zone. Drive 510 kw DC motor, cooled by fan.Speed max 290 rpm.
Extruder 2 Description Metering extruder 200mm diameter. L/D 20 barrel lenght. Air cooling by fan. 242 kw DC motor, cooled by fan. Speed max 100 rpm.
Extruder 3 Description 1 coextrusion 80mm; 1 satellite extruder output 105 kg/h ; L/D 32. Drive 62 kw DC motor cooled by fan. Speed max 100 rpm.
Head description 7 heatting zones (die body 5, side plates 2) for electric heating. Flexible lips design .Gap between 1,7 and 3,5 mm. For automatic die gap adjustment, electrically heated die bolts are used. Die adaptor block to connect the die with melt pipes of main extruder and both satellite extruders. Automatic die lip adjustement.31 quick-acting bolts with push/pull operation.Air for bolt cooling. Die support frame.
Chill roll unit Double shell with spiral channels. 1400mm diameter. 1200mm width.
MDO description CO 10/4-1/2/90 . 1100mm roll width through-out machine. 900 working width.1 stretching gap. Stretch ratio 1:1 , 1:7 . Roll speed : 6-70m/min slow section; 10-235m/min fast section. 20KN max stretch force. Adjustement of stretching gap up to 160mm ; Temperature control 60-160C .Film Threading System. Inlet Section. Preheating section consisting og 10 preheating rolls diam. 614mm each.
TDO description 61 CO 12 EP/12/9/3/3/620/4.7 Feeding width range 650-800mm . Max stretch width 7,0 m; Exit width range 5,8 -6,4m
Pull roll unit EF/TGB A/CBT/T/620 . Roll face width 6,6m,
Rewinder width 6200mm
Rewinder description Turret winder with max mill roll diameter 1000mm. Contact roll support.
Slitter Atlas
Additional information Thichness range 15-50my.Mill roll diameter max 1000mm. Casting machine 140 WL 100 with chill roll/waterbath combination system.Width 1000mm. Production speed 2-70m/min. Pinning device .Water bath . Take-off and guide roller arrangement. Water removal from chill roll.Water removal from cast film. Cooling system. Chain/ Track system model FOK 4.7 . Edge tracker/Inlet. Inlet tracks incl. chain tensioner. Inlet roller assembly. Edge trim removal.Thickness gauge unit for BO-film . Thickness gauge for BO-Film.Electrostatic Eliminator.Edge pullers.Contact roll assembly. Automatic cross cutting device. Winder frame. Core chucking and drive.Core ejector.Hydraulic power unit,

** SOLD **


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