Palletizing refers to the operation of loading the objects such as a corrugated cartons and work piece for welding on a pallet or a device like that in a defined pattern. De-palletizing refers to the operation of unloading the load object in the reverse pattern. This is achieved by using the robot control system with a built in palletizing function makes it possible to load and unload a object without spending a lot of time on teaching. Palletizing with robot gives the user the advantage of precise positioning with less programming hassles.