Project Summary

MWES delivered a fully automated bottle depalletizing solution for Widmer Brothers Brewing, replacing manual case handling with a compact robot cell. The system enabled full-height pallet processing within limited overhead space, boosting throughput, safety, and efficiency.

The Challenge

Optimizing Depalletizing Workflows in Restricted Brewery Space

The firm’s existing semi-automatic depalletizing process relied on manual case handling—leading to repetitive strain injuries and throughput bottlenecks. Constraints included:

  • Frequent worker injuries due to repetitive manual case handling
  • Limited vertical space requiring low-profile equipment
  • Incoming pallets delivered at half-height, reducing efficiency
  • Need to unload full pallets quickly while maintaining case orientation

MWES was selected to design a robotic system capable of operating within tight height limits while handling full-height pallets and improving depalletizing safety and speed.

The Solution

Low-Profile KUKA Robot Cell with Vacuum Layer Gripper & Vision Guidance

MWES implemented a turnkey system comprising:

  • KUKA robot optimized for operation under a low ceiling beam
  • Vacuum EOAT picks entire layers of up to 540 lbs worth of cases per cycle
  • Vision system ensures correct case orientation via conveyor singulation
  • Automated pallet pusher, case dispensing conveyor, and pallet stacker for emptied pallets
  • Operator loads pallets via forklift and selects case type via HMI interface

The system was engineered to handle full-height pallets in confined overhead space while automating layer picking and case orientation using vision-enabled robotics.

The Results

20 % Throughput Boost, Improved Worker Safety & Full-Pallet Capability

The MWES solution delivered immediate operational improvements:

  • Achieved 3.5–4 pallet layers per minute, increasing throughput by 20 %
  • Eliminated repetitive motion strain by removing manual case handling
  • Allowed full‑height pallet operation even in low-clearance areas
  • Delivered consistent case orientation and processing reliability across mixed SKUs

By combining compact robotics, layer grippers, and vision control, MWES enabled safer, faster pallet breakdown and higher throughput with full-pallet capability in constrained environments.

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