ZSK Mc¹⁸ Twin Screw Extruders

Maximum torque for highest throughput

The ZSK Mc18 high performance twin screw extruder is a superlative product. With its torque of 18 Nm/cm3, it has made a name for itself on the market as a throughput champion for products with high torque requirement such as engineering plastics. The 30% increase in torque compared to the predecessor extruder model ZSK Mc PLUS leads to increases in throughput of up to 100%. Therefore the ZSK Mc18 twin screw extruder ensures production with maximum economic efficiency. The optimum price/performance ratio, the extremely energy-efficient operation, the wide range of applications, and the associated high level of flexibility of the machine are additional advantages.

With its Do/Di of 1.55, the ZSK Mc18 strikes just the right balance. It has proven itself in the processing of products with high torque requirements and enables reliable scale-up within the entire Mc18 twin screw extruder series. In addition, it is possible to scale-up and modernize the ZSK Mc PLUS series to the Mc18 series.

Advantages of the ZSK Mc¹⁸ at a glance*

  • More than 30% increase of specific torque
  • Up to 100% increase in the throughput rate
  • Increased energy efficiency by reduced specific energy input
  • Greatly improved productivity
  • Improved compounding quality by gentle processing with a higher filling degree
  • Reduced compound temperature at much greater throughput rates
  • Flexible, wide area of applications
  • Proven high ZSK safety enabled by new designs and developments
  • Gentle product handling for maximum quality
  • Maximum flexibility in product changes and machine modifications
  • Optimum graduation of the machine sizes
  • Excellent mixing behaviour
  • Reliable scale-up
  • Very wide range of wear protection solutions
  • Comprehensive process engineering support
  • Flexible solutions for control system
  • Comprehensive after-sales services by worldwide Coperion service network
  • Large number of application-specific solutions to increase throughput and productivity, e.g. quick-release features, side devolatilization ZS-EG, Feed Enhancement Technology (FET)

* in comparison with the predecessor model ZSK Mc PLUS

Related Industries

  • Plastics
  • Chemicals

Typical areas of application of the ZSK Mc¹⁸ twin screw extruder

  • Continuous processes with high energy consumption
  • Processing of all previously torque-limited products such as polyamide with glass, PBT with glass, glass fiber-reinforced polypropylene
  • Mixing and dispersing of pigments and additives
  • Reinforcement with glass, carbon and other fiber materials
  • Degassing of volatile components
  • Filling with talcum, calcium carbonate, sawdust or other fillers
  • Alloying
  • Reactive extrusion
  • Chemical reactions such as polymerization, polycondensation and polyaddition
  • Direct extrusion
Coperion twin screw extruder ZSK 58 compact

ZSK Mc¹⁸ in compact design

The advanced development of this series focuses on a compact design that leads to a reduced space requirement and further handling improvements achieved by implementing a new control cabinet.

Technical data of the ZSK Mc¹⁸

ZSK Max. torque per shaft
[Nm]
Specific torque Md/a³
[Nm/cm³]
Max. screw speed
[min⁻¹]
Max. motor power N
[kW]
Screw diameter
[mm]
18 MEGAlab* 38 11. Mrz 1,2 10 18
26 Mc18 140 15 1.200 37 25
32 Mc18 315 18 1,2 83 32
45 Mc18 930 18 1,2 245 45
58 Mc18 2 18 1,2 528 58
70 Mc18 3,5 18 1,2 924 70
82 Mc18 5,7 18 1,2 1,504 83
92 Mc18 7,5 17 1 1,649 92
119 Mc18 15,3 17 1 3,364 118
133 Mc PLUS 20 15 1 4,398 133

* Laboratory extruder
ZSK 32 - 70 available in compact version

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