With the new development called TRETURN Grundner Sondermaschinen presents an allrounder in the handling of panels. Whether feedback at an edge bander, feeding or de-stacking of various panel formats on pallets - in any case TRETURN considerably saves time and effort and therefore reduces costs.


  • Flexible use to stack, feedback, feed or for combined tasks
  • Automatically optimized stack construction of different parts at a given area (e.g. pallet)
  • Rotation axis of 180°
  • Weight-optimized stable construction
  • Data communication with manufacturing plant and control
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