Stranski mlin

ZERMA GSL 180/430

Slow-speed beside-the-press granulator
Rotor diameter (mm): 180
Rotor width (mm): 430
Rotor speed (rpm): 150
Drive power (kW): 4
Number of rotor knives: 45
Number of stator knives: 2
Screen perforation (mm): >5
Weight approx. (kg): 250

The slow-speed beside-the-press granulators of the GSL series are primarily used in injection molding and blow molding applications for inline granulation of sprues and defective parts. With various hopper and extraction systems, the machines can be flexibly integrated into existing installations.

GSL 180 — Designed for granulating sprues from injection molding and blow molding processes

Highlights of the GSL series:

- Low noise operation due to slow rotor speed, angled cutting design, and multi-layer sandwich-constructed soundproof hopper
- Powerful and efficient drive system with branded gearbox
- Easy maintenance, cleaning, and knife replacement

The slow-speed beside-the-press granulators of the GSL 180 series feature a closed rotor with a diameter of 180 mm. The machines are available with working widths from 120 mm up to 430 mm.
The rotor consists of individual disks, which are directly connected to the spur gear drive via an oversized drive shaft. This ensures efficient and low-maintenance power transmission.
The material to be granulated can be fed manually, by conveyor, or robot through a generously sized, soundproofed sandwich-constructed hopper. By default, the granulator is mounted on a low-profile frame with swivel castors. Discharge is carried out via a suction trough positioned beneath the screen, equipped with a pipe connection for a vacuum conveyor.

Applications

The slow-speed beside-the-press granulators of the GSL 180 series are specially designed for the granulation of sprues from injection molding and blow molding processes. Easy accessibility allows for rapid color and material changes. The low rotor speed enables the processing of both soft and hard materials and ensures good material quality with minimal dust generation.
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