Peter Robinson’s research while affiliated with University of Newcastle Australia and other places

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Publications (2)

Mechanism of indentation rolling resistance: (left) Cyclic compression and recovery. (right) Asymmetric pressure distribution. Adapted from [9].
Schematic view of an idler roll.
Labyrinth and lip seal designs: radial labyrinth seal without a shaft lip seal (left), radial labyrinth seal with one contacting lip seal (center), and axial labyrinth seal with two contacting shaft lip seals (right). Contacting points highlighted in red.
Test facility setup with the 152.4 mm and 400 mm diameter test idlers.
(left) Idler rotating resistance measurement apparatus; (center) tested idler schematic view with lip seals and (right) with labyrinth seals.

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Optimizing Friction Losses of Conveyor Systems Using Large-Diameter Idler Rollers
  • Article
  • Full-text available

February 2025

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16 Reads

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Jayne O’Shea

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Peter Robinson

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[...]

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Craig Wheeler

This study investigates the influence of idler roller diameter on indentation rolling resistance and idler rotating resistance in belt conveying systems, crucial for long-distance bulk material transport. It encompasses the impact on grease-lubricated rolling bearings, grease-filled labyrinth seals, and lip seals, with the aim of optimizing energy consumption. Experimental devices were used to refine predictive models, demonstrating that larger idler rollers reduce both resistances, leading to a 40% to 55% efficiency improvement. The study offers a detailed breakdown of friction losses under various operating conditions and provides valuable insights for lubricant selection and system enhancement, highlighting the significance of idler roller diameter in reducing energy costs and enhancing system performance.

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