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:: Volume 6, Issue 1 (2-2016) ::
2016, 6(1): 77-92 Back to browse issues page
An Economic Production Quantity Model for Defective Items with Sales Return Service, Scrap Items and Rework
R. Uthayakumar , T. Sekar
Department of mathematics, EBET Group of institutions, Tirupur – 638 108, Tamil Nadu, India
Abstract:   (7169 Views)

In this model, we establish an inventory model to determine the optimal inventory replenishment scheme for the economic production quantity (EPQ) model for imperfect, deteriorating items with sales return service under multiple production and rework setup. In one cycle, production process can produces the products in m production setups and reworks the defective items in one rework setup. The common assumptions in this model are that all units produced are not perfect and shortages are not allowed. The defective/scrap items are produced during the m production setups. The defective items are of two types which are recoverable items and irrecoverable items. The recoverable items are converted into good quality items in rework process and irrecoverable items are considered as scrap (disposable) items. A portion of defective items produced are not successfully screened out internally during the m production setups and passed on to customer, thereby causing defect sales returns and reverse logistic from customers back to the manufacturer. The proposed model is demonstrated numerically and the sensitivity analysis is also carried out to study the behavior of the inventory model.

Keywords: Deteriorating Items, Rework, Multiple Production Setups, Sales Return Service, Scrap Items.
Full-Text [PDF 1712 kb]   (2546 Downloads)    
Type of Study: Research | Subject: Special
Received: 2016/12/23 | Accepted: 2016/12/23 | Published: 2016/12/23
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Uthayakumar R, Sekar T. An Economic Production Quantity Model for Defective Items with Sales Return Service, Scrap Items and Rework. International Journal of Applied Operational Research 2016; 6 (1) :77-92
URL: http://ijorlu.liau.ac.ir/article-1-509-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 6, Issue 1 (2-2016) Back to browse issues page
ژورنال بین المللی پژوهش عملیاتی International Journal of Applied Operational Research - An Open Access Journal
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