rubicon Halle / Saale rubber maschinery technology
Gear pump, Extruder, Extruder, Cold feed extruder, Liquid Curing Medium, LCM, Extruder head
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Coextrusion Units

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Extruder - Gear pump - Combination

 

Rubber gear pumps in combination with cold feed extruders for manufacturing of extrudates with highest demands on product dimension accuracy and process stability. The gear pump is arranged between the extruder and the extruder head. The extruder feeds the gear pump with a low inlet pressure. The gear pump builds up the compound pressure in order to overcome the resistance of the extrusion die.

 


 

 

Application:

  • For every kind of rubber compound

  • For profiles with highest demands on dimension accuracy and stability

  • For reinforced and non reinforced hoses

  • For roll covering

  • For straining and strip production

  • For the filling of big moulds

gear pump
gear pump ZRP 090

 

 

pressure measured in inlet and outlet section of the gear pump
pressure measured in inlet and outlet

section of the gear pump
click to enlarge

 

 pin barrel extruder - gear pump - combination
pin barrel extruder - gear pump - combination

 

Type

ZRP 063

ZRP 090

ZRP 150

Capacity m (kgs/h)

10-120

25-500

80-1200

Max.pressure p (bar)

500

500

500

Max. pressure difference p (bar)

400

400

400

Gear speed, adjustable n (r.p.m.)

6-50

3,5-60

3,5-60

Motor power P (kW)

12

22

27

Control

PLC control

Heating/cooling

water based system for gears and housing

Machine frame

all units are mounted on a common frame

Operator panel

with touch screen, hinged

print version


Results

  • Lowest pressure variations with high dimension accuracy

  • increases the output at high back pressure

  • avoids the overflowing of the vacuum port in connection with vent extruders

  • Extrusion, straining and out forming in one process

  • Universal use in every kind of extrusion line

 

 

filling of moulds
filling of moulds


 

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