CASE STUDY INDUSTRIAL CRANES PORT CRANES HEAVY-DUTY LIFT TRUCKS SERVICE MACHINE TOOL SERVICE NUCLEAR CRANES The Western Zirconium Plant, part of the Westinghouse Electric Company, LLC, nuclear fuel business, produces zirconium, hafnium, and zircaloy for commercial nuclear power and other industrial applications. PREVENTING A MAJOR BREAKDOWN Running at a single high speed on contactor controls, a 10-ton bridge crane at Western Zirconium made abrupt starts and stops. This stressed the gear case mounts on the bridge and led to more frequent, though brief, shutdowns for repairs. To address both safety and production concerns, Rob Carlson of New Business Development for Konecranes, recommended installing dual drives and replacing the contactor controls with variable frequency

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