GL extruders

Gearless (GL) single screw extruder series with high-torque drive concept

The GL (= gearless) extruder series offer an alternative drive concept. A frequency-controlled, high-torque AC motor is used to drive the screw, with the screw and the motor’s output shaft forming a single line. The high-torque AC motor has a high degree of efficiency at all levels – even under partial load. Since the drives of the GL series operate without gears, all those energy losses caused by a gear transmission system, such as flange loss or heating, are also eliminated.

Virtually no expense for maintenance (no motor air filter servicing, no gearbox oil change) and consequently cost savings
Operation at low noise and vibration levels
Higher degree of efficiency in the extruder’s drive chain thanks to high-torque motor technology
Smaller footprint with easy access

Water-cooled, high-torque AC motor for low energy consumption
Reduced number of drive components
Compact design

solEX GL and uniEX GL extruders in "piggyback" co-extrusion set-up

Extruder frame on rolls
Extruder frame on rails
Parallel arrangement or positioning at various angles
“Piggyback“ version - placed directly above the main extruder

Supports OPC-UA Protocol
Supports industry 4.0 functions
Control mounted directly on the extruder cabinet or on a mobile stand
Individually customizable user interface: adapted to every machine operator (language, icons, screen configuration)
Up to 7 extruders can be integrated into the control

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