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Modernity of parts in casting machines and coefficients of total productive maintenance

Borkowski S., Czajkowska A.

Archives of Foundry Engineering

2010

Vol. 10, iss. 4

13--16

The goal of this study is to investigate the impact of equipment efficiency in casting machines on the quality of die castings made of Al-Si alloys in consideration of their modernity. Analysis focused on two cold-chamber die-casting machines. The assessment of modernity of the equipment was made based on ABC analysis of technology and Parker’s scale. Then, the coefficients of total productive maintenance (TPM) were employed for assessment of the efficiency of both machines. Using correlation coefficients r allowed authors to demonstrate the relationships between individual TPM coefficients and the number of non-conforming products. The finding of the study is pointing to the differences between the factors which determine the quality of castings resulting from the level of modernity of machines.