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Monitoring wear rates and patterns in crushersPeter Johnson, Elton du Plessis, Maptek
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I-Site laser scanner + Vulcan modelling software
cost effective safe solution predict downtime optimise downstream processes
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Controlling fragmentation size
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Safety and timeProduction must stop when the crusher is shut down for measurements.Loss of revenue estimated at US$200,000 p/hour.Traditional manual measurements typically take 3 hours…
3 hours @ $200,000 per hourx every 10 weeks =
3 million dollars per annum in lost production
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The Solution
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Point cloud showing four scan datasets registered to represent internal surfaces of crusher
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Section view of modelled data showing four levels of the crusher model
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Radial distribution of wear (in metres) at the four levels in the crusher
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Arrangement of crusher segments and loading area
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Horizontal section through crusher surface showing uneven wear around liner edges.
Distance histogram
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Modelled laser scan data showing surface detail on worn liners
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Digital data = more informed decisions
Reduce downtime Increase revenue
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Conclusions Time to perform measurement reduced by 80%
Several safety risks were eliminated
Improved efficiency and workflow
Significant benefits
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Monitoring wear rates and patterns in crushers
Peter Johnson, General Manager [email protected]
www.maptek.com
Elton du Plessis, Regional Manager – Laser Imaging, [email protected]