As Korea’s logistics industry faces surging volumes due to the rapid growth of online commerce, many field operations still rely on repetitive and physically demanding labor. Palletizing—stacking cargo or goods onto pallets—typically involves handling 15–20kg loads and poses a high risk of musculoskeletal injuries. To address this, collaborative robot-based automation is gaining traction.
This automation case was implemented at the Ohhyun Logistics site through a collaboration between Roboe Technologies and Rainbow Robotics. The RB20-1900, with a 20kg payload and 1900mm reach—the longest in its class—was deployed to enhance operational efficiency.
Founded in 2021, Roboe Technologies is a robotics company focused on logistics automation. By conducting real-world tests and collecting field data, they develop AI-powered robots tailored for autonomous logistics tasks. Their lineup includes the Mobile Box-handling Robot (MBR), Compact Box-handling Robot (CBR), and Mobile Piece-picking Robot (MPR), which are already in use at logistics sites.
Boosting Palletizing Efficiency and Precision with the High-Payload RB20-1900
In logistics operations, palletizing is a key stage for stacking boxes of varying sizes and shapes both efficiently and securely. Traditionally, multiple workers manually lifted and placed boxes onto pallets—a process that led to accumulated fatigue, musculoskeletal disorders, and declining productivity due to repetitive strain. Manual methods also faced limitations when handling non-uniform boxes in real time.
To solve these challenges, Roboe Technologies integrated a palletizing solution equipped with Rainbow Robotics’ high-payload collaborative robot, the RB20-1900. Featuring a payload capacity of 20kg and an extended reach of 1900mm, it is the most capable model in the RB series. Designed specifically for heavy-lifting tasks, the RB20-1900 can be installed on floors, walls, or ceilings, offering excellent spatial flexibility. It also supports a unique 5-axis mode that restricts movement of the J3 joint—simplifying complex motions and reducing teaching time. Notably, when picking objects positioned close to the robot body, the arm avoids collision with the load, making it especially effective in logistics environments. This feature is exclusively offered by Rainbow Robotics among collaborative robot manufacturers and is applied to both the RB3-730 and RB20-1900 models, which are equipped with S-shaped pipes.
Realizing Smart Logistics with AI-Based Box Handling Robots
The collaborative robot RB20-1900 is integrated into Roboe Technologies’ AI-powered box handling robot, CBR (Compact Box-handling Robot). Equipped with embedded AI algorithms and a 3D vision-based smart recognition system, the robot autonomously detects the shape and position of boxes and performs optimal palletizing—achieving precise and stable stacking without human intervention. This contributes significantly to improving process efficiency and ensuring consistency in logistics quality.
The CBR features a compact footprint of 1,370 x 1,670 x 1,520 mm, making it suitable for installation in tight spaces. Its mobile platform allows flexible operation, supporting palletizing and depalletizing between two pallets placed on either side of the robot. With a maximum reach of R 1,750 mm, it can handle items transported on conveyor belts. The system enables sorted palletizing based on box size, order, or type, while real-time progress tracking and integrated safety sensors allow safe human-robot collaboration without fencing. From setup to operation and takedown, the entire process can be completed in under 10 minutes—ensuring exceptional adaptability and convenience for on-site deployment.
Improved Installation with Pneumatics Option and Integrated Software
Rainbow Robotics’ RB series is the first in the collaborative robot market to offer an optional built-in pneumatic system. In this solution, the RB20-1900 with the pneumatic-integrated option was deployed, enabling direct connection of pneumatic and signal lines without cable friction or additional routing—ensuring quick integration into the production site. These features not only support smooth operation but also improve workplace safety by reducing the risk of damage or accidents.
The RB series also includes built-in software that simplifies integration with a wide range of commercial grippers. Popular brands like Robotiq and OnRobot can be connected without custom programming, while complex protocols such as RS485 and Modbus RTU are easily configured. Gripper setup involves just three intuitive steps—product selection, port assignment, and function setting—making deployment fast and user-friendly.
Palletizing Automation Boosted Logistics Productivity by 150%
A logistics site that adopted the RB series collaborative robots significantly improved the efficiency of palletizing tasks, resulting in an overall productivity increase of approximately 150%. Initially, the robots were introduced in small-scale pilot operations to replace repetitive, labor-intensive loading work. As clear improvements in speed, accuracy, and reduced worker burden emerged, robot deployment was gradually expanded.
The site now operates an automated line capable of handling two pallets simultaneously, enabling uninterrupted workflow. Mixed box palletizing achieves up to 85% space utilization, significantly improving spatial efficiency. Stable load distribution also ensures consistent stacking quality. By automating repetitive tasks, the site not only addressed labor shortages but also established a predictable logistics process that enables rapid response to changing customer demands. This has positioned the facility as a leading success case in logistics automation.
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