Palletizing cobot maximizes productivity in tight quarters


In short

Norwegian meat producer Nortura needed to optimize palletizing, but with limited floor space and a tight budget. A UR10 robot with a ceiling-mounted vision system provided a cost-effective and high-performance palletizing system in one-fifth of the space typically required. This is why Nortura now has three UR10 robots and a better work environment with no unnecessary heavy lifting. If no pallet is present, the floor space is available for other processes. Typical palletizing robots require a large fixed cell with safety caging that takes up extensive floor space. Nortura wanted to be able to palletize continuously without stopping the production line, but needed the flexibility of using the space for other processes if there were no pallets in place.

The challenge

With a limited budget, Nortura had the added challenge of finding a cost-effective 6-axis robot that had the required range and payload capacity to stack boxes of different sizes and weights at different heights on a pallet. The robot also needed to be flexible and easy to program to work with the vision system, and reliable enough to run with minimal supervision.


Industry Food and Beverage
Country Norway
Number of Employees 100-500
Cobots used UR10
Watch how the vision-guided UR10 cobot effortlessly palletizes boxes of different sizes and weights

The solution

Nortura wanted to optimize palletizing, but couldn’t use a traditional palletizing robot which requires a large permanent cell with safety caging

Norwegian robotics integrator Rocketfarm AS customized a vision system to complement the Universal Robots UR10 collaborative robot for an innovative, small-footprint approach. The IFM O2D222 vision camera is mounted in the ceiling above the robot, which is mounted below it on a narrow stand and is equipped with the Unigripper SMS 80-200 vacuum gripper. While in standby mode, the mounted robot’s footprint is only .5m2. The robot’s working area is simply a painted space on the floor, which marks where operators place an empty pallet. “We used maybe 10 to 20 percent of the space that a traditional robot would have used,” Lars Bårdgard Åstveit, developer at Rocketfarm AS. “When there’s no pallet there, the space is free—it’s as if the palletizing system doesn’t exist.”

Once a free pallet is placed on the floor, the vision system automatically detects it as well as boxes moving on the conveyor belt and begins palletizing on its own. “No one has to tell the robot, ‘there’s a box here now, go palletize it,’ adds Åstveit. “The system just sees it and starts palletizing.” The 6-axis robot’s program can be easily customized to stack different-sized boxes in the pattern that the customer of the pallet requires, such as turning boxes so that the box labels are visible on all sides of the pallet. The robot can stack an average of 20 pallets each day, for a total of 1700 boxes per day.

After only a year of using the new UR10 robot, Nortura chose to invest in an additional two robots of the same type in order to automate even further.
“We are very positive about the new robots and the decrease in strenuous work activities we have achieved. Installing the new robots was quick and painless and we are thrilled to have more space since the robots are constructed in a way that allows them to operate without cages or fencing.” Says Unn Sjøthun Uglane, manager at Nortura SA Sogndal.

UR+ Products Used:
Advanced Palletizing Application Kit from Rocketfarm

The UR10 is a robot that has all the right specifications, It’s inexpensive, it has the range that not many other cobots have, and it has the payload so it can lift the products we need it to lift. And it’s quite flexible in its programming.

Lars Bårdgard Åstveit, developer at Rocketfarm AS
UR10 collaborative robot, Nortura, Norway
UR10 collaborative robot, Nortura, Norway

The advantages of UR10 robot

An additional advantage is that the robot can provide error-checking for the previous machines on the production line. While humans might not notice that a box wasn’t filled properly, the robot measures the weight of each box and signals if a box comes down the line with fewer packages inside

“The UR10 is a robot that has all the right specifications,” stated Åstveit. “It’s inexpensive, it has the range that not many other cobots have, and it has the payload so it can lift the products we need it to lift. And it’s quite flexible in its programming.”

But the most important aspect was its ability to work safely beside human workers. The UR10 robot automatically stops if it runs into something that is not part of the planned path—even if that’s a human being standing on an empty pallet. “If it didn’t have that capability, we wouldn’t have been able to use this robot,” said Åstveit. “It’s a critical feature—a deal breaker. Without the safety features of the UR10, we wouldn’t have been able to do this job.”

Nortura estimates the payback for the palletizing system to be less than one year when running a single shift, and they have the ability to run more shifts if necessary for even faster payback. In fact, Nortura was so pleased with the system that they immediately ordered two more systems to run on different production lines that will run even faster with smaller boxes.

Automation challenges solved:

  • Provided a cost-effective, flexible, and high-performance palletizing system in one-fifth of the space typically required.
  • allowing employees to focus on high-value activities rather than repetitive tasks.

Key value drivers:

  • Collaborative and safe
  • Compact and flexible
  • Cost-effective
  • Reliable

Tasks solved by collaborative robots:

  • Picking boxes from a conveyor belt and placing them in the correct positions on a pallet
  • The palletizing pattern varies from different products and is dynamic to the pallet’s position.

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