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Analysis of the Possibility of Introducing the Reduction of Changeover Time of Selected CNC Machines Using the SMED Method

Oleksiak Beata, Ciecińska Barbara, Ołów Piotr, Hordyńska Małgorzata

Production Engineering Archives

2023

Vol. 29, Iss. 1

83--93

The paper presents the results of improving the production process using the SMED method. The process improvement was carried out in a company in the construction industry, using a machine park consisting of CNC machines. The study evaluated the current state of changeover times for selected CNC machines and proposed a reduction in changeover times for the machine park analysed. By in-troducing changes to the changeover process on selected CNC machines, it was possible to minimise the changeover time by more than 20% on all the machines analysed. The proposed reorganisation of the CNC operators’ workstations resulted in a time reduction of approximately 61% for machine 1, 52% for machine 2 and 12% for machine 3. The installation of barcode readers on the profiles, on the other hand, made it possible to load the machining programmes into the CNC machines more quickly and resulted in a reduction in loading time of approximately 88% on average for each of the machines analysed.

Zastosowanie wybranych metod Lean Manufacturing do doskonalenia produkcji palet transportowych

Stadnicka D., Stępień P.

Technologia i Automatyzacja Montażu

2012

nr 3

46-52

This article analyses a production organization, which is a branch of one of the production lines in the company that manufactures pallets. On the production organization analysis there are used a chosen lean tools for manufacturing. Lean tools are for example, a value stream mapping, operators work balance, a spaghetti diagram. The authors presented proposals for improvement.