Abstract
Statistical analysis, within the quality control technique, allows us to evaluate the reliability of the processes under consideration by means of control charts (x−R, n−p,...) and suitable parameters (c p , c pk ,...), especially when a great number of pieces is worked. In particular, the x−R charts make the analysis of the production behaviour possible, allowing the immediate identification of various process irregularities, such as: out-of-control pieces and the shift phenomenon. These phenomena can be strictly correlated to either regular or accelerated tool wear. The data for monitoring the process are taken at regular intervals. The basic idea of the present work is to consider the influence (in terms of cost) of the intermediate check of the workpiece condition (according to the process statistical analysis) on the tool substitution and management policy.
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© 1999 Springer-Verlag Wien
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Giardini, C., Ceretti, E., Maccarini, G., Bugini, A. (1999). Economic Design of Control Charts Considering the Influence of the Tool Wear. In: Kuljanic, E. (eds) AMST ’99. International Centre for Mechanical Sciences, vol 406. Springer, Vienna. https://doi.org/10.1007/978-3-7091-2508-3_26
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DOI: https://doi.org/10.1007/978-3-7091-2508-3_26
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