The gearboxes in this series meet the high requirements of extruders with regard to all the special features that essentially result from the plasticizing screw and the different material and process properties.

VG 05 – VG 50 series

Torques from 3 Nm to 450 Nm/ shaft
Center distances from 13.8 mm to 110 mm
Axial force/ shaft from 750 N to 74,000 N

Twin screws are used in the side feeder.
As with the extruder, the screws are configured as required by the raw material. Customized gearbox designs from the VG series were developed to drive the side feeders. This type of gearbox drives two worms.

The output shafts rotate in the same or opposite direction, depending on the requirements for feeding or e.g. dewatering. An integrated thrust bearing ensures that the screw back pressures are absorbed. The defined installation position of the screws in the radial and axial direction is achieved with special coupling connections to lock the screws in place. Sealing of the shafts in the coupling housing is ensured with stuffing box packings. The shafts and mounting flanges are corrosion-resistant.

Sidefeeder-0005

Output shaft center distances, output shaft design, coupling connections and materials of the shafts and flanges can be realized according to customer specifications. Can be combined with standard gearboxes from the FZ and KS series.

Universal housings for all installation positions offer maximum flexibility in terms of designs, connections and accessories

Gearbox design, integrated cooling concepts and monitoring equipment for long-term, reliable multi-shift operation.

  • IEC flange & coupling
    for IEC standard motors

Adapter flange and coupling for all common
IEC standard motors and compact high-performance motors.

  • Overload clutch

  • Cooling

The choice of the appropriate cooling method depends on the specific requirements of the gearbox, the operating conditions and the environmental factors. A thorough analysis of the thermal load and operating parameters is essential to determine the best cooling strategy.
The following are available:

  • Cooling coil

  • Directly mounted pump with plate heat exchanger

  • Cooling unit with electric pump

  • Monitoring equipment

Monitoring devices for gearboxes are crucial to ensure the reliability and efficiency of machines. These devices monitor various parameters such as oil level, temperature, vibration and torque to provide early warning of potential problems.

Expert advice

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Max Mustermann
T +49 (0) 711 – 448 14-0
M info(at)knoedler-getriebe.de