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Maintenance system improvement in cast iron foundry

Kukla S.

Archives of Foundry Engineering

2011

Vol. 11, iss. 3

185-188

The work presents the issue of technical equipment management in an iron foundry basing on the assumptions of the TPM system (Total Productive Maintenance). Exploitation analysis of automatic casting lines has been carried out and their work's influence on the whole production system's functioning has been researched. Within maintenance system improvement, implementation of autonomic service and planned lines' review have been proposed in order to minimize the time of breakdown stoppages. The SMED method was used to optimize changeover time, and the OEE (Overall Equipment Effectiveness) was applied to evaluate the level of resources usage before and after implementing changes. Further, the influence of the maintenance strategy of casting devices' efficiency on own costs of casting manufacture was estimated.