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Ramon Comellas S.A. - Palletizing and depalletizing of wheat flour

The flourmaking company RAMON COMELLAS, S.A., whose plant is located in Lleida, has acquired a complete installation for palletizing, stretch-wrapping and depalletizing flours in paper-valve sacks and open-mouth woven PP sacks in formats of 25 and 40 kg in both cases.

The main challenge of the installation consisted in adapting it to the customer’s particular requirements, consisting in the need to palletize and depalletize in the same machine. The user wanted to stock only finished pallets and, when the sacks were to loaded directly onto the truck, the pallets would be introduced into the palletizer and the palleting clamp itself would unpack the pallets, placing the sacks one by one onto a truck loading belt.

The greatest difficulty of the project arose due to the diversity of formats and types of sacks, particularly the raffia sacks of 40 kilos, since they require considerable height when removing them from the pallet and placing them onto the truck loading belt. An added difficulty was the lack of space in the premises to site the equipment. This made it necessary to design new pallet-dispensing systems and work with considerable inclinations in the conveyor belts, while providing the maximum guarantee of operation.

The depalletizing adaptations have been made on the basis of a ROBOSAC 800 model robotized-clamp palletizer. The supply also includes a KEOPS model turntable stretch-wrapper.