MEAF 75-60-50

Listing description

MEAF EXTRUSION LINE 75 + 60 + 50 MM

• For multi layer HIPS or PP sheet (AB or ABC layer)
• Equipped with special type HIPS/PP barrier combination screws

MAIN EXTRUDER 75 MM

- Screw: Ø 75 mm,
l/d ratio 34:1,
with partial cooling
in the feeding zone
- Barrel: Ø
75 mm ,
l/d ratio 34:1. with grooved feeding zone
- Motor: 90 kW AC motor with frequency drive
- RPM: 0 – 180
- Capacity: 250-300
kg/hr HIPS, 200-230 kg/hr PP
based on virgin, good quality raw material
- Including: DYNISCO melt pump, type 240/240
? drive mechanism, 7,5 kW
? melt pressure control system

CO-EXTRUDER 60 MM

- Screw: 60 mm l/d ratio 30:1 with partial cooling
in the feeding zone
- Motor: 37 kW AC motor with frequency drive
- RPM: 0 – 180
- Capacity: 100 – 120 kg/hr HIPS, 70 – 90 kg/hr PP
based on virgin, good quality raw material
- Including: DYNISCO melt pump, type MDSP 155/155
? drive mechanism, 3kW
? melt pressure control system

CO-EXTRUDER 50 MM

- Screw: 50 mm l/d ratio 30:1
with partial cooling
in the feeding zone
- Motor: 15 kW AC motor with frequency drive
- RPM: 0 – 180
- Capacity: 0 – 50 kg/hr HIPS/GPPS/PP

HYDRAULIC SCREEN CHANGERS

-

On main and co-extruders
- Type: sleeve
- Including:
? hydraulic unit
? accumulator for fast screen changing

3 LAYER HIGH PRECISION COEX-ADAPTOR

- Suitable for the production of multi layer sheet having up to
3 layers with 3 extruders (AB or ABC layer)
-

With valves to change the configuration

DIE

- Type: Flexlip, coat hanger
- Die width: 900 mm
- Max. sheet width: 750 - 800 mm
- Sheet thickness range: 0.20 – 1,8 mm HIPS, 0.38 – 1.8 mm PP
- Including: die deckles

MEAF SHEET TAKE OFF SYSTEM

- Suitable for the production of PS – PP
- Roller width: 900 mm
- Max. sheet width: 750 - 800 mm
- Position of the rollers under an angle of 45º
- Data of the rollers:
? 1 roller of 300 mm Ø x 900 mm length
? 2 rollers of 400 mm Ø x 900 mm length
- Double shell polishing rollers, outershell hardenend, with cooling spiral
- Hardness: 56 HRC
- Depth of hardness: 2-3 mm
- Hard chrome plated: 120 µm
- Superfinish polished: 0,1 – 0,2 µm
- Top and bottom roller are moveable by 4 pneumatic cylinders
- Drives: the 3 chromium rollers are separately driven by Lenze AC motors with frequency inverters
- Top and bottom roller are exchangeable

COOLING SYSTEM

- Individual temperature regulation on each chromium roller
with water pumps

SIMCO IONIZATION BAR

- To eliminate static electricity on the sheet

RUBBER ROLLER SYSTEM

- Two rollers with :
Ø 140 mm

SIDE TRIMS

- Knives system
- Winding coils for side trims

CONTROL CABINET

- The control panel includes all units for switching, protection,
locking and power supply required to control and monitor the line
- As standard: centralized touch screen control panel for all extruder functions
- Air conditioning for an ambient temperature of up to 40 °C

TWO STATION SHEET WINDING SYSTEM

- Frame for guiding the sheet
- Including:
? winder motor
? tension control
? two changeable shafts for the winder

GRAVIMETRIC DOSING SYSTEM FOR MAIN EXTRUDER

Three components:
*
virgin raw material
*
regrind material
*
master batches

-
Vacuum hopper loader pr transport screw for scrap material
-
Vacuum hopper loader for virgin material
-
Master batches to be loaded manual

FOR CO-EXTRUDER 60 MM

- Vacuum hopper loader for virgin material

- Dosage unit for masterbatches

FOR CO-EXTRUDER 50 MM

-
Vacuum hopper loader for virgin material

-
Dosage unit for masterbatches

SIDE TRIM GRANULATOR

-
with feed back to the hopper

This equipment is located in UA