Machine Scheduling Proposed For Minimizing Makespan At PT Adiperkasa Anugrah Pratama  

Oleh:

Gozali, Lina ; Natali, Febrina Lesley

Jenis: Article from Proceeding
Dalam koleksi: Proceeding The 7th International Seminar on Industrial Engineering and Management (7th ISIEM) di Bali, March 11th – 13th, 2014, page PS 1-6.
Topik: makespan; CDS; NE; Gupta Heuristic
Fulltext: Paper 02 Lina Gozali Tarumanagara University.pdf (249.71KB)

Isi artikel

PT Adiperkasa Anugrah Pratama is a manufacture company that processes raw materials such as brasses and metals to become finish goods. The company has been operating for 3 years from 2009 and it’s been growing quite fast, which can be found with the growing number of incoming orders. A big total number of incoming orders cause the company to use semi-manual scheduling production processes that is less effective in scheduling production processes. PT AAP hasn’t applied a suitable and correct method in scheduling production, because the PPC division is planning the scheduling production by longest time needed for completing production processes or the largest number of time in incoming orders. So the effective method for scheduling production must be made and applied. The methods that been used are Campbell, Dudek and Smith ; Nawaz, Enscore and Ham, and the Gupta Heuristic method. These three methods are used for minimalizing makespan by choosing the best sequence of production processes. After comparing with the original makespan of the company, which is 1.245.000 seconds, CDS method produces makespan of 1.238.234 seconds, NEH method which produces makespan of 1.217.366 seconds, and Gupta Heuristic method which produces makespan of 1.245.200 seconds. The conclusion is that the NEH method produces smallest makespan and the original makespan of the company can be reduced by 27.834 seconds

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