Palletizing: KR Quantec PA Palletizes 40 Tonnes of Animal Litter per Shift

July 07, 2016 - "Press Releases"

Starting point / Task definition

Before the production line came on stream, about 3,000 sacks – weighing an average of six kilograms each – per working shift were manually taken from a conveyor and stacked on pallets.

Implementation / Solution

In 2013, the company opted for two KUKA robots, which were put into operation together with a Polish system integrator. The robot takes the packages from the roller conveyor and stacks them in layers on europallets measuring 1200 x 800 mm. For 10-liter sacks, this means ten layers with nine sacks each. For 5-liter sacks, 16 layers with 13 sacks each. The sacks are stacked according to defined specifications. First the corners are filled in, then the edges and, finally, the middle of a layer.
KUKA Robot Palletizer
The KR 120 R3200 PA palletizing robot stacks sacks on a europallet.

System components / Scope of supply

The robots used in this application are the 5-axis palletizing robots of type KR 120 R3200 PA with a maximum payload of 120 kg and a reach of up to 3,195 mm. The robots of this series stand out for their repeatability of +/- 0.06 mm. Thanks to their light components and simultaneous design stiffness, they also ensure improved dynamic performance and shorter cycle times. The properties of the robots from the KR QUANTEC PA series have, without question, contributed to the total success achieved during the commissioning of the palletizing application described above.

Results / Success

The automation of production has led to increased output at Certech. Before the modifications were introduced, about 20 to 25 tonnes of goods per shift were stacked on pallets by workers. Now, a machine palletizes about 40 tonnes in the same amount of time. Production has been increased by around five percent.

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