#TM-10 Quantity of material handling equipment—A queuing theory based approach

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#TM-10 

     Quantity of material handling equipment—A queuing theory based approach
Dhamodharan Raman- , Sev V. Nagalingam, Bruce W. Gurd, Grier C.I. Lin
Centre for Advanced Manufacturing Research, University of South Australia, Mawson Lakes Boulevard, Mawson Lakes, SA 5095, Australia
Received 30 September 2007; received in revised form 17 December 2007; accepted 4 January 2008

1. Introduction (Paragraf 1) ENGLISH

A material handling system (MHS) acts as an inter- connector for facilities and should facilitate the process of delivering the right amount of materials, to the right place, at the right time and at the lowest cost. An effective MHS improves the performance of a manufacturing system, mainly by reducing work-in-process (WIP). Material handling cost encompasses between 15% and 70% of the total operating cost [1]. Hence, it is in manufacturing enterprises’ best interest to look for ways of improving the effectiveness of their MHS. 

Effectiveness of this system can be achieved by making appropriate decisions about its various constituent features which can be classified into two groups, and they are:

(1) Design features (related with design of a MHS).
(a) Number of material handling equipment (MHE).
(b) Material flow path that reduces total travelling time, which includes decisions related with:
     (i) Type of flow path (uni-directional/ bi-direc- tional/ combination).
     (ii) Location of pick-up and delivery points.
(c) Transportation batch size-number of parts in an unit of transportation load.
(d) MHE dispatching policy.

(2) Operational features (related with operation of a MHS).
(a) Operational schedule for MHE.
(b) Maintenance schedule for MHE.
                             

1. Pendahuluan (Paragraf 1) INDONESIA

Sistem penanganan material (MHS) bertindak sebagai penghubung untuk fasilitas dan harus memfasilitasi proses pengiriman jumlah material yang tepat, ke tempat yang tepat, pada waktu yang tepat, dan dengan biaya terendah. MHS yang efektif meningkatkan kinerja sistem manufaktur, terutama dengan mengurangi work-in-process (WIP). Biaya penanganan material mencakup antara 15% dan 70% dari total biaya operasi [1]. Oleh karena itu, kepentingan perusahaan-perusahaan manufaktur adalah untuk mencari cara-cara untuk meningkatkan efektivitas MHS mereka.

Efektivitas sistem ini dapat dicapai dengan membuat keputusan yang tepat tentang berbagai fitur penyusunnya yang dapat diklasifikasikan ke dalam dua kelompok, dan mereka adalah:

(1) Fitur desain (terkait dengan desain MHS).
(a) Jumlah peralatan penanganan material (MHE).
(B) Jalur aliran material yang mengurangi total waktu perjalanan, yang meliputi keputusan yang terkait dengan:
     (i) Jenis jalur aliran (satu arah / dua arah / kombinasi).
     (ii) Lokasi tempat pengambilan dan pengiriman.
(c) Ukuran bets transportasi - jumlah bagian dalam unit muatan transportasi.
(d) kebijakan pengiriman MHE.

(2) Fitur operasional (terkait dengan pengoperasian MHS).
(a) Jadwal operasional untuk MHE.
(B) Jadwal pemeliharaan untuk MHE.

KESIMPULAN 


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