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Improving the overall equipment effectiveness of a cutting and planing line by eliminating short stops.

Mussche, G. (2021) Improving the overall equipment effectiveness of a cutting and planing line by eliminating short stops.

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Abstract:Important note: Phoenix Pallets BV made a lot of data available for this research that is not destined for the outside world. Therefore, quantitative values that are used in this thesis are multiplied by a factor X due to the confidential nature of the data. Purpose: In this research, we use a combination of Lean Manufacturing and the Theory of Constraints in order to improve the Overall Equipment Effectiveness (OEE) of a cutting and planing line by eliminating short stops. To achieve this goal, this research first investigates what the root causes of the short stops are, and composes then an improvement strategy to solve these root causes. It turns out that the two biggest influences on the number of short stops are the crew that is working, and the length of the boards the cutting and planing line processes. The difference between the two crews is caused by a difference in work method, and the used method depends currently on the insight of the operators because there are no Standard Operating Procedures (SOPs) documented. Next, the differences between the board lengths exists because when processing short boards, the planing infeed is idling more often. If the infeed is idling, it means that the second separator (the activity where all boards separated in order to check their individual quality) does not deliver enough boards to keep the planing machine busy. In order to solve these problems, the company should improve the speed of the second separator to 84 cycles/min, find the optimal position for the sensor that determines the buffer length in front of the second separator, develop and implement SOPs and ensure that they are actually used as well. If the desired result is not achieved after the previous steps, they should consider starting step 4 of the Five Focusing Steps, which involves drastic changes to the cutting and planing line.
Item Type:Essay (Bachelor)
Faculty:BMS: Behavioural, Management and Social Sciences
Subject:85 business administration, organizational science
Programme:Industrial Engineering and Management BSc (56994)
Link to this item:http://purl.utwente.nl/essays/87472
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