Extending the life of the grab crane at ENCI Rotterdam

At ENCI Rotterdam, a Dutch cement producer, an old grab crane had already exceeded its expected life expectancy of 2 million lifting cycles. Iv was commissioned to inspect the entire crane and assess whether it could continue its work for another ten years.

As the grab crane had exceeded its expected life, it was essential to assess its safety and formulate an estimate of its remaining life. Iv received data on the number of loads and lifting cycles, after which critical points were inspected for possible crack formation. Wear was detected in several places on the slewing ring. The damage needed to be investigated to determine the cause and whether it could cause problems in the future. Iv advised more frequent lubrication and regular inspections to keep the crane operating safely for longer.

By properly maintaining and monitoring the crane, it can continue to operate safely for longer. Based on Iv’s advice, it was decided to give the crane a major overhaul.