Capital Equipment News August 2022

CRUSHING

“It is very important to operate within the operational parameters of the crusher – don’t overfeed it, maintain the correct feed size and remove fines where neces sary. Pushing the limits can cause prema ture wear and tear on the crusher. This can lead to unplanned breakdowns and downtime. It is also important to stick to the reduction ratio – 4:1 for a jaw crusher and 3:1 for a cone crusher,” he says. Regular maintenance, comprising scheduled checks and services, is key to maximising crusher efficiency. It is also important to practise predictive mainte nance. Crushers come with sensors such as temperature sensors, thermometers and oil pressure gauges, that allow plant operators to monitor the health of their machines. Through these devices, you can determine the crusher’s normal operating conditions and use as a baseline to spot abnormal operating conditions. “It is also important to remove tramp in your feed material. This is mostly done by installing a magnet on the crusher feed conveyor. Metal, especially in a cone crusher, can cause significant damage, which in turn affects crusher efficiency and productivity,” Hendricks concludes. b

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Maximising crusher efficiency When it comes to some important tips that can help operators maximise crusher efficiency, Hendricks says there are three important things to consider: always know the crusher’s operating parameters, feed the crusher properly and maintain the crusher.

jaw crusher as finished product. “Wear part selection is also a critical factor in crusher efficiency. Liners should be selected based on either impact or abra sion. The closed side setting (CSS) also needs to be regularly monitored to ensure consistent liner wear,” adds Hendricks.

CAPITAL EQUIPMENT NEWS AUGUST 2022 18