This video shows a large scale gantry robot pallet handling system. The gantry system is 18' x 20' and features X, Y, and Z gantries.
Macron Dynamics recently provided a 2-axis X/Z gantry solution for palletizing that met requirements for the KwikPall palletizing system, a standardized, simply designed and economic palletizer.
Macron recently built a telescopic conveyor system to aid in palletizing confectionery products.