Thesis etd-03192019-203031 |
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Thesis type
Tesi di laurea magistrale
Author
BANDETTINI, LORENZO
URN
etd-03192019-203031
Thesis title
Analisi e ottimizzazione delle operazioni di collaudo di una macchina converting
Department
INGEGNERIA CIVILE E INDUSTRIALE
Course of study
INGEGNERIA MECCANICA
Supervisors
relatore Beghini, Marco
relatore Frosolini, Marco
relatore Frosolini, Marco
Keywords
- collaudo
- converting
- efficienza
- lean
- ottimizzazione
Graduation session start date
08/05/2019
Availability
Full
Summary
Questa tesi di laurea magistrale si propone lo studio e la realizzazione di un modello operativo per l’individuazione e l’abbattimento delle attività a non valore aggiunto nelle operazioni di collaudo delle macchine converting. Essa tratta quindi l’analisi di alcuni casi pratici, delle soluzioni adottate al fine di ridurre gli sprechi di tempo e la gestione delle problematiche riscontrate. Lo studio svolto si articola su più fasi alternate di raccolta e di analisi dei dati, in cui i processi sono stati suddivisi in operazioni elementari, cronometrati e analizzati in dettaglio. Dalle analisi sono derivati piani di azioni, di cui è stata valutata l’attuabilità in base ad analisi costi-benefici attesi. Successivamente, le azioni ritenute sostenibili sono state messe in pratica ed è stato effettuato il successivo ciclo di raccolta dei dati su alcune macchine simili alle precedenti, con lo scopo di confrontare i risultati e di validare il modello operativo sviluppato.
This thesis is about the study and the creation of an operative model for detecting and reducing Non Value Added activities (NVA) in converting machinery test operations. Therefore it treats the analysis of some practical cases so as to find solutions capable of reducing time wasting and to manage problems that have been consequently detected. This study is articulated through several phases of data collection and analysis, in which test processes have been split up into elementary activities, timed and analyzed in detail. Hence action plans were created, and every entry was evaluated through a benefit-cost analysis. Afterwards, actions which could be considered sustainable were performed and an ulterior data collection and analysis cycle took place on similar machines, in order to compare results and to validate the operating model developed.
This thesis is about the study and the creation of an operative model for detecting and reducing Non Value Added activities (NVA) in converting machinery test operations. Therefore it treats the analysis of some practical cases so as to find solutions capable of reducing time wasting and to manage problems that have been consequently detected. This study is articulated through several phases of data collection and analysis, in which test processes have been split up into elementary activities, timed and analyzed in detail. Hence action plans were created, and every entry was evaluated through a benefit-cost analysis. Afterwards, actions which could be considered sustainable were performed and an ulterior data collection and analysis cycle took place on similar machines, in order to compare results and to validate the operating model developed.
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