Twin Shaft Shredders

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Twin Shaft Shredders


Two stage recycling - reimagined

General Description

The ZCS size reduction system combines a shredder with a granulator in a single space saving system for the processing of production waste.
The shredder part is equipped with a 400mm diameter E rotor using ZERMAs proven knife and knife holder design, driven by a high-torque gear drive, which in comparison to a direct drive also handles tougher input materials well. The large material hopper and the powerful horizontal pusher allow processing of voluminous as well as heavier parts. The lower part of the system consists of a 3-blade granulator rotor based on the GST series. The shredder and granulator are matched to work together ideally and in conjunction with an advanced control system ensure smooth reliable operation.


The ZCS system has been designed mainly for in-house use in blow and injection molding applications, yet it can be adopted in other fields too. The small foot print allows the system to be integrated into existing factory workshops easily. Being a closed system also reduces the risk of contamination compared to using a conveyor belt in a traditional two stage recycling system. The system is well suited for large volume parts and thicker materials such as flush or purging.


  • Compact space saving design
  • Low noise emission
  • Versatile size reduction concept
  • Flexible discharge options


The ZCS machines rely on the proven E type rotor from the ZSS shredders with bolted knives and knife holders.
The granulator part uses a sturdy F+ rotor to ensure a good ingestion of the material flow while still being able to handle thicker and heavier particles.
The ZCS system uses a sturdy roller guided drawer type ram to feed the material into the shredder. Segmented cutting chamber and ram allow trouble free processing of thin materials.