Macchi 3 layers

Year: 2005 (cold part)
Year: 2015 (hot part)
Hot part for the production of the film FFS blowing film equipped with :
No. 2 extruders Plaster 65/30 D
No. 1 extruder Plaster 90/30 D and Gravimetric system
Tubular and mono layer
Materials: LDPE, LLDPE, HDPE, MDPE, mLLDPE
Die and related gap (measured cold): 180 mm; 2,4 mm
Min- max film thickness: 20-200 my
Min – max film width (with BUR from 1,8 to 3): min .L-330 mm / Max L1100 mm – minimum bubble guide closure 330 mm
BLayer Distribution: A 20%; B 60%; C 20%
Speed screw of the extruder: extruder A 0 – 170 RPM; extruder B 0 – 110 RPM; extruder C 0 – 170 RPM
Reference width and thickness: 550mm, 150 my
No. 1 Coextrusion unit COEX flex specific for the FFS
No. 2 High performance mono screw extruder type 65/30D

Technical characteristics :
Extrusion screw diameter 65 mm, ratio L/D 30:1, speed screw 170 rpm, power of motor 86Kw, 4 heating areas
No. 2 AC motors Kw 86 with digital frequency converter. Benefit: lower energy consumption,
minimal maintenance due to absence of motor brushes, no need for electrical power‐factor correction (COS φ), reduced electrical harmonics
No. 2 Filter change and plaster diameter 65 mm . Manual hydraulic movement screwed directly to the flange terminals of the extruder
No. 1 High performance mono screw extruder type 90/30D
Horizontal extruder, with reduced screw height from floor level and mounted on wheels to compensate for thermal expansion

Technical characteristics:
Extrusion screw diameter 90 mm, ratio L/D 30:1, screw speed 110 rpm, motor power 145Kw, no. 5 heating areas,
No. 1 AC Motor Kw 120 completed with digital frequency converter, advantages: lower energy consumption,
minimal maintenance as there are no brushes on the motor.
No. 1 Plate filter changer , dia. 90 mm, manual hydraulic movement
No. 1 Coex flex TE502 IBC FFS 3 layer fixed co-extruder head .
Innovative technology is the low volume of material it contains: approximately 40% less which makes material changes faster and the system more flexible.
Complete with: dia. dia.180 mm, die gap 1,8 mm, heating divided into zones all with ceramic heating bands.
No. 1 Internal cooling control (IBC) type JET 6 integrated into the main control panel comprehends :
no. 1 valve + 1 ultrasonic sensor , 1 intake fan 11 kw, 1 extraction fan 11 Kw, speed control.
No. 1 Compact Co-extrusion Control Panel complete with digital zone thermostat ,
no. 1 pressure gauge, no. 1 temperature meter for each extruder , static relays
No. 1 ultrasonic sensor for bubble breaking installed on the bubble guide
No. 1 High-efficiency progressive IBC diffuser with extra-long tube (anti-blocking) and additional air outlet at the top
No. 1 Surcharge for 3 additional sensors for the ultrasonic IBC system
No. 1 Timer for micro-interruptions
No. 1 Independent cooling unit for medium-sized 3-layer Coex
No. 1 Non-Marking Bubble Guide GSRC 1150/8-5, ⁠5 levels of 8 synchronized arms,
with special rollers, Motorized opening and closing with remote control
Motorized height adjustment with remote control, Air conditioning system for
No. 1 cooling the air and the IBC. ABF DUE 40/15.
Cooling system features: Cooling capacity: 76,000 kcal/h
Absorbed power: 17 kW, Airflow min/max: 1,500 / 4,000 m3/h
Max ambient temperature: 40°C
Max relative humidity: 60
Outlet air temperature range: 8–20°C, Cooling water: minimum 25–30°C; flow 18 m3/h
No. 1 Pipe insulation: Ø 18 mm 210 and 150 mm for ring and IBC Maximum length 12+12 m

No. 3 Gravimetric dosing unit for 6-component batches “Grado”
Including extruder adjustment, Gravimetric dosing unit for 6-component batches:
No. 1 Easy Control plus – module S3
No. 1 Rotation Bearing – S4 Module uo to dial. 1800 mm
No. 1 KARAT COM 3 Automatic Ring with Integrated Profile Control
No. 1 Pair of special panels for ST 199 – 2400 – Aluminum/Teflon mixed panels, with the possibility of inserting either one or the other.
No. 1 Supplement for covering the rollers with thermal sock and for high speed (2400 mm)
Mechanical speed of the winder: from 7 to 110 m/min
Maximum film passage width on winders: 1150 mm
Cardboard cores for reels: inner diameters 76 mm and 152 mm
Total height of the plant: 12 m (recommended)
Electrical voltage: 400 V three‐phase + neutral
Installed power: 230 kW
Cooling‐water consumption: 48 l/min
Compressed‐air pressure: 6 bar

No. 1 ST 199 ROTO-1200 Oscillating Ironing Unit– Cylinder width 1200 mm , Film passage width: 1100 mm
360° rotation of the ironing unit with variable speed, with directional bars consisting of:
2 variable-angle idler cylinders, 2 variable-angle Teflon-coated fixed cylinders
with air lapping to reduce film friction, connected by a single synchronization unit.
Automatic zero positioning for easy film drawing-in.
All cylinders are dynamically balanced up to a speed of 170 m/min.
No. 1 Panel Pair For ST 199-1200, free-running aluminum rollers on bearings
No. 1 Supplement For Rollers Covering With Thermal Sleeve and for high speed – (1200 mm table)
No. 1 standard wooden side triangles Height 1500 mm for film guidance and gussets.
Complete with cast supports adjustable in 2 directions.
No. 1 Webguide for bubble – non marking version GSRC1150/8-5-1500 , 5 levels of 8 synchronised arms ,
with special rollers , motorised opening and closing with remote control.
No. 1 No. 1 BO PLUS/D 1200 automatic double winder with 2 stations
Automatic reel changeover when the predetermined length is reached Hydraulic unloading of finished reels
Maximum reel diameter: 1200 mm in relation to its weight
Adjustable and constant contact pressure control via pneumatic LPC with linear movement
•⁠ ⁠Electronic winding tension control with load cells
•⁠ ⁠Magazine for automatic loading of up to: 4 x Expanding shafts, OD 76 mm or (priced separately) 4 expanding shafts, OD 150 mm
• No. 1 special BO-PLUS version for jumbo roll diameter 1500
No. 2 EASY LOAD loading system For loading the winding shaft.
This system allows for the automatic positioning of shafts complete with pre-glued cardboard cores in the magazine.
The equipment does not include: ⁠the shaft lifting hoist, ⁠the shafts, which will be offered separately.
No. 1 load cell application before the calender
No. 1 ring-type trim EVACUATION SYSTEM (trim guide parts only)
No. 1 pneumatic expanding shaft, diam. 76 for BO PLUS 1200, aluminum
No. 1 pneumatic expanding shaft, diam. 152 for BO PLUS 1200 in aluminum
No. 1 corona treatment 1200 including generator (10 mm electrodes) ep-Stop gen. 10 kW
No. 1 automatic BST Web guide – 1200 Web guide structure with stepper motor controlled
by two ultrasonic sensors and an amplifier. Right/left/middle edge guidance option
No. 1 dual air conditioning system AC40/15PW – Max. 35′′ tower-cooled water-cooled unit.
Cooling water not included (additional unit required).
No. 1 insulation of pipes dia. 210 and 150 mm for ring and IBC max. length 12+12 meter
No. 1 gravimetric predisposition
Weight aproxx.: 30 tons
Tower excluded
Visible in production
Immediately available