Slow speed granulator

ZERMA GSL 300

The low-speed granulators in the GSL series have been specially developed for injection molding applications. In most cases, the regrind obtained is fed directly back into the production process. With their numerous hopper and base frame variants, the GSL granulators can be integrated into almost all injection molding machines and handling systems.

General description

The GSL 300 series low-speed granulators have been specially developed for the size reduction of sprues and rejects from injection and blow molding.They are also suitable as central granulators for smaller throughput quantities. The GSL 300 series offers the well-known advantages of low-speed machines, such as low noise emissions and low-dust grinding material.

The low-speed granulators in the GSL 300 series have a rotor diameter of 300 mm and working widths of 400 to 800 mm.

The V-arrangement of the rotor knives keeps the material to be shredded in center of the rotor, which considerably reduces wear on the grinding chamber walls. Due to the staggered arrangement of the rotor disks, only individual knives are in use at any one time, which means that a higher cutting force is always available.

The machines in this series can be optionally equipped with an suction system, to fill the material into for example bags.

ZERMA GSL 300 Details

Special knives make adjustment work unnecessary

This shape of the rotor knives ensures a constant cutting circle even after regrinding, so that the required cutting gap between the rotor and stator knives is maintained. The stator knives can be reversed 4 times and can also be reground.

The rotor

The staggered rotor stars mean that only individual blades are used, which increases the cutting force. The rotor shaft is mounted on bearings on both sides. The low rotor speed of 150 rpm ensures a low noise level and low-dust ground material.

Drive via a powerful gear motor

The directly flange-mounted geared motor ensures a high torque.

Inclined hopper

Inclined hopper in sandwich design without integrated baffle plates for feeding long or bulky parts.

GSL 300/800 with roller feed (Option)

for the shredding of, for example Punching grids in inline recycling.

Good accessibility

All components (hopper, suction tray, front panel) can be removed without tools, ensuring optimum access for maintenance and cleaning work.

High chassis (Option)

with adapter for filling the ground material into a mobile, 60 l roll container.

GSL 300/400 with integrated extraction system

Series

GSL 300/400 300/600 300/800
Rotor blade (pcs.). 33 48 66
Stator blade (pcs.) 2 2 2
Rotor Ø (mm) 300 300 300
Rotor width (mm) 400 600 800
Grinding chamber inlet (mm) 440 x 400 400 x 600 400 x 800
Drive (kW) 7,5 11 18,5
Rotor speed (rpm) 150 150 150
Weight approx. (kg) 630 850 1300

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