CoBo-Stack Automatic Palletizer

The MBO CoBo-Stack is a collaborative robot which needs no protective cage. Stacks of folded signatures, are transported from the delivery of the folder to the collection area of the CoBo-Stack. The CoBo-Stack picks up the stacks from the collection area and places them in a proper pattern on a pallet. This reduces the physical demands on the operator. The system is completely automatic.  Pallets are positioned on both sides of the unit so that when one pallet gets full the CoBo-Stack will automatically begin stacking on the other, allowing uninterrupted operation.  An indicator lamp and acoustic signal are built in so any notifications can be heard or seen from a distance.  There is no need for the operator to remain directly at the production machine, giving him or her time to carry out other tasks such as quality control, feeder loading or preparing the next job.  Having the CoBo-Stack  take care of the palletizing functions can allow operator labor to be reduced greatly in the folding area.  With continuous fed folding machines, having 1 operator running 2 machines is possible.  With pallet fed folding machines, having 1 operator run 2 machines and do other tasks should be possible.   Makeready is remarkably short using a simple menu pick from a hand held tablet device.The CoBo-Stack truly fits the new print market demanding high productivity with minimal labor and set up time.


  • Cobot design for safety so no protective cage is needed
  • Eliminates labor on the back end of the folder
  • Allows operation model of 2 machines with 1 operator in appropriate application
  • Pallets can be placed on both sides of the CoBo-Stack allowing uninterrupted production
  • Optical and acoustical signals show various operating statuses
  • Can be used on any brand folding machine
  • Works in conjunction with Palamides alpha series stacking deliveries
  • RAS Remote Access Router included
  • Mobile design so it can be used on multiple machines in the facility

Recent Innovations:

  • Stacking height increase up to 140 cm (55“) achieved by a height-adjustable robot arm, reducing pallet quantity and saving time and money
  • For A/B split, double stream production it is now possible to alternately stack both pallets at the same time
  • New deposit pattern for paper size A4 (plus trim) on Euro pallet, the stacking pattern for 10 piles has been newly created
  • Stacking Continuance:  To continue stacking on a pallet that has already been started, simply enter the actual height of the started pallet and go

Technical Specifications

CoBo-Stack in detail
CoBo-Stack on MBO T800.1 Folder at Printing United 2019
MBO CoBo-Stack with Saddle Stitcher
MBO CoBo-Stack applied to Stahl folder or Third Party Folder
CoBo-Stack on Muller Martini Perfect Binder