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Packaging Lettuce Heads


A FANUC R-2000iB removes trays of lettuce and pours the contents onto a conveyor for packaging. This system is capable of packaging 550,000 lettuce heads per day. A vision system then measures the shape and form of the lettuce and determines where to cut the root. A FANUC LR Mate 200iB then helps to perform a second check on the size of the lettuce. Lettuce heads that pass this final test are packaged into plastic containers while items that fail are rejected and discarded. The robots have decreased rejected items by 15%.


Key Technology Demonstrated

R-2000 iB Robot
  • The slim arm of the R-2000 iB and compact footprint allows for increased robot density, increasing throughput.
  • Compact size and ability to flip over and work behind itself maximizes flexibility for work cell design, and saves valuable floor space.
  • Large allowable wrist moments and inertias meet a variety of heavy handling challenges.
  • Non-rotating forearm simplifies hose and cable dressout increasing service life.
  • Proven, reliable FANUC servo drives provide highest uptime and productivity.
  • Longer maintenance intervals equate to lower operating costs
  • Fewer mechanical components reduce down time, increase mean time between failure (MTBF) and minimize spare part requirements.
  • High-performance motion yields fast cycle times and high throughput.
  • IP67 rated wrist/forearm.
LR Mate 200 iC Robot
  • Offers maximum performance in a light, efficient, accurate and nimble (LEAN) package
  • Meets the automation needs of a variety of industries including electronics, medical devices, food, metals, plastics, and packaged and consumer goods.  
  • Its compact design and flexibility to quickly adapt to small lot sizes, new styles and other modifications provides manufacturers an affordable solution for small part, flexible production.   
  • The six-axis, LR Mate 200 iC robot rates ‘best in class' for its wrist load capacity, repeatability, work envelope, and speed.
  • Multiple mounting options:  floor, tabletop, inside machines, angle and invert, which maximizes flexibility for small and narrow workspaces.