Mill relining benchmarking scorecard
Gauge your mill relining performance against similar operations with RME’s new benchmarking scorecard. This fast and free web-based tool leverages industry data to provide an indicative percentile ranking of your reline duration and safety level, along with recommendations for improvement.

How safe are your relines?
How do they impact mill availability?
How can you reduce risk and shutdown duration?
Relining SAG, AG, and ball mills is a critical-path maintenance activity at many mine sites. Studies indicate that reline events can consume between 2% and 5%—and in some cases up to 10%—of annual mill availability. Furthermore, most reline operations still require personnel to work in hazardous confined spaces, exposing them to multiple risks.
Consider this: using a standard metric of US$150,000 per hour for contained metal value in a large copper SAG mill, even just 1% downtime equates to US$13.1 million in lost processing capacity annually. Reducing reline time by 10–20 hours could add US$1.5–$3 million of extra production each year.
Relining downtime spans from mill shutdown and grind-out to when the mill is restarted. It includes several phases: knock-in, worn liner removal, new liner installation, and mill inching. Optimising these activities not only creates opportunities to improve mill availability and profitability but also reduces the hours reline crews are exposed to hazards and risk.
Introducing RME’s new mill relining benchmarking scorecard
Now you can discover opportunities for improvement with RME's new benchmarking scorecard. This easy-to-use, web-based tool generates a percentile ranking of your reline duration, allowing sites to gauge their performance against peers operating similarly-sized mills. Then, based on your scorecard, it suggests opportunities to optimise mill relining speed and safety performance.
Trusted real-world industry performance data
This tool draws from an extensive, anonymised, multi-dimensional mineral processing industry mill relining performance dataset. Collected during filmed, real-world relining operations worldwide—spanning a diverse range of SAG and ball mills, reline events, and mill relining methods and technologies—the data provides mine sites with an indication of their performance in comparison with industry peers. Productivity and safety optimisation recommendations are based on the most common opportunities for improvement identified during the filmed studies for similarly performing sites.