Coextrusion Sheet line from Reifenhauser

Complete COEXTRUSION sheet line REIFENHAUSER, 5 extruder, flex sheet die,
horizontal extrusion into a horizontal arranged polishing stack 1200 mm wide;
1 roll 300 mm dia; 2 rolls 500 mm dia.
common dc-driven; post-cooling 2 x 300 mm dia with dc drive,
Beta Control thickness measurement,
circular longitudinal knives, accumulator and a 4 position’s two reels hydraulic winder.
Capacity up to 500 kg/h

Main plant components:

 

Dosing,  Mixing. /Feeder:

Main machine 4 comp. Motan volumetric blender

1 hopper loader in each extruder

 

Extruders

1-      screw: 100 mm dia – 33 l/d – vented

1        screw: 50 mm dia

3     Screw 35mm dia

 

Screenchangers:

 

Main extruder hydraulic IPL, no stop system 2 position’s

Others, Maag hydraulic one position

 

Meltpump:

MAAG Extrex main extruder and extruder 50mm.

 

T-die:

Reifenhauser  flex lip, 0,8 – 2 mm, external deckling  L= 1300mm

 

Platform:

Base frame to carry all extruders and die support.

 

Polishing and haul-off stack:

Reifenhauser 1200 mm wide

1        roll 300 mm dia; 1232mm wide chromium plate  mirror finish ( One spare)

2     rolls 500 mm dia1232 mmwide chromium plate  mirror finish. ( one spare),

DC drive common drive.

Pneumatic forced with manual adjustable gap-control.

2 rubberized take-off rolls 200 mm dia DC.

 

Heating and cooling system  with 3 water pumps

Thickness measurement

 

Radioactive system from Beta control, model Indicon one.

 

Winder:

Reifenhauser but manufacture by Meyer consisting of.

-          Edge and central cutting with 3 rotating pneumatic knifes

-          Accumulator and dancer roll system with proportional pneumatic control

-          4 hydraulic  centre winder system

-          2 hydraulic proportional control

 

Electric Control systems:

Pressure. gauges before filter and after pump.

Dynisco Pressure control loop before pump.

Main drives from Siemens.

Temperature control from PSG.

 Control cabinets with, protection, command, drives, temperature, pressure, alarms etc.

3x400 V; 50 cycles

 

Documentation:  English

Age: 1994 with later upgrades