Drum dosing device for granules and free-flowing materials

Precise dosage for micro injection molding. <0.01g per shot * 1
Specially developed for the dosing of additives.

With / without weighing and mixing unit

Dosing of granulates directly on the plastic machine with the WD system.
For the different applications and dosing tasks, we can offer you different device types.

For assembly on the injection molding or extrusion machine.

* 1: Per shot, depending on bulk density and grain size


The devices of the WD series are gravimetric or volumetric drum dosing devices for assembly on the injection molding or extrusion machine.

  • Suitable for micro injection molding, injection molding and extrusion
  • New, patented drum concept
  • Accuracy by stepping motor with step monitoring
  • State-of-the-art electronics and control


Cx10Cx 50

GRAVIMETRIC DOSING (with weighing and mixing unit)


Walzen-Dosiergerät WD1-2k WD2

VOLUMETRIC DOSING (without weighing and mixing unit)

WD system – Add additives to the machine

  • WD 1 Cyclic dosing (suitable for micro injection molding and injection molding)
  • WD 2 Simultaneous dosing (suitable for extrusion)

Option: WD system for powder
Further information about the WD system, WD powder dosing devices and the WD1 and WD2 series.