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Nachi’s ST 166 Robot for Fulton Hogan

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article image Nachi ST 166 Robot

Nachi ST 166 Robot, from Nachi , with a 166kg payload capacity and reach of 2.6m, was recently installed at Fulton Hogan’s plant in New Zealand for palletising application.

Fulton Hogan supplies a wide range of ready mix products to the New Zealand market. Due to the wide range of products, multiple bag sizes, weights (ranging from 25kg through to 40kg) and run sizes (from single pallet through full days production), Fulton Hogan required an automated palletising system that was flexible and when selected could automatically palletise any one of its products.

The design had to be able to do the following:

  • Palletise 18+ different bag sizes (without changing end effector)
  • Automatically stack bags into 10+ different stacking combinations
  • Automatically load and empty pallet
  • Automatically load completed pallet onto pallet rapper
  • Palletise a bag every 7 seconds
  • Run 24 hours a day
  • Integrate with existing plant
  • Operate in harsh environment
  • Future proof (have the ability to add new products when required)

Nachi Network Partner Company was able to provide solution using the following:

  • Nachi ST 166 six axis robot
  • Pneumatic adjustable Grippers (will automatically adjust to fit bag size)
  • Robot Interface with Feed Conveyors
  • Auto sensing through-out process
  • Robot Interface with Automated Load/unload of pallets
  • Design and build of conveyor system
  • Programming
  • Safety fence / Laser curtains

The solution was the use of a Nachi ST166 Robot integrated with a specific design and built product feed conveyor, pallet conveyor and a fully pneumatic adjustable end effector to enable the robot to stack multiple bag sizes, weights and configurations at the touch of button.


  • Continuous palletising
  • Increased production
  • Reduced labour costs
  • Consistent stacking quality
  • Adaptability (future proofing)

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