2026-09-18T21:43:55Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/552202022-01-13T07:54:36Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
Kamal Youcef-Toumi.
Li, Bo, M. Eng. Massachusetts Institute of Technology
Massachusetts Institute of Technology. Dept. of Mechanical Engineering.
Massachusetts Institute of Technology. Department of Mechanical Engineering
2010-05-25T21:06:07Z
2010-05-25T21:06:07Z
2009
2009
http://hdl.handle.net/1721.1/55220
611941968
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2009.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 57-58).
A high-mix, make-to-order production system can become inefficient when non-value added operations consume too much time, space or labour. To address these issues, cell re-layout is conducted and a CONWIP system is proposed. The cell re-layout started with data collection on current layout, product mix and routings, then the current layout was modified to develop several alternatives, and finally the best alternative was selected based on a set of criteria. The Pull system design began with comparison between Kanban and CONWIP with respect to an actual production system, and then the CONWIP system was selected and a sample case study based on ARENA 12.0 was included to study the characteristics of CONWIP. Finally, transformation of the actual production system to CONWIP was studied in ARENA simulation to determine its optimal CONWIP setting. It can be concluded that the cell layout resulted in improved operator efficiency and savings in area occupied, while the CONWIP system leads to reduction in amount of work-in-process, and stabilization of manufacturing lead time.
by Bo Li.
M.Eng.
58 p.
eng
Massachusetts Institute of Technology
M.I.T. theses are protected by
copyright. They may be viewed from this source for any purpose, but
reproduction or distribution in any format is prohibited without written
permission. See provided URL for inquiries about permission.
http://dspace.mit.edu/handle/1721.1/7582
Mechanical Engineering.
Making a high-mix make-to-order production system lean
Thesis
application/pdf
Publication
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unknown
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<Abstract>A high-mix, make-to-order production system can become inefficient when non-value added operations consume too much time, space or labour. To address these issues, cell re-layout is conducted and a CONWIP system is proposed. The cell re-layout started with data collection on current layout, product mix and routings, then the current layout was modified to develop several alternatives, and finally the best alternative was selected based on a set of criteria. The Pull system design began with comparison between Kanban and CONWIP with respect to an actual production system, and then the CONWIP system was selected and a sample case study based on ARENA 12.0 was included to study the characteristics of CONWIP. Finally, transformation of the actual production system to CONWIP was studied in ARENA simulation to determine its optimal CONWIP setting. It can be concluded that the cell layout resulted in improved operator efficiency and savings in area occupied, while the CONWIP system leads to reduction in amount of work-in-process, and stabilization of manufacturing lead time.</Abstract>
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