Optimal inspection and economical production quantity strategy for an imperfect production process

2006 ◽  
Vol 37 (5) ◽  
pp. 295-302 ◽  
Author(s):  
Y.-C. Chen
Keyword(s):  
Production Process ◽  
Imperfect Production ◽  
Imperfect Production Process ◽  
Production Quantity

scholarly journals A consignment stock policy for a two-level supply chain with imperfect quality items

2021 ◽  
Author(s):  
Ehab A. Bazan
Keyword(s):  
Supply Chain ◽  
Production Process ◽  
Supply Chain Coordination ◽  
Secondary Market ◽  
Batch Size ◽  
Imperfect Production ◽  
Managerial Decisions ◽  
Imperfect Items ◽  
Imperfect Production Process ◽  
Stock Policy

A consignment stock is a type of supply-chain coordination for the management of supply-chains in which there is a joint vendor and buyer policy that is mainly focused on having the vendor manage the buyer's inventory. This thesis aims to investigate the consignment stock strategy in a single-vendor single-buyer supply-chain context considering imperfect items that may be produced from an imperfect production process. It develops a flexible mathematical model that allows for managerial decisions with regards to imperfect items and seeks to minimize costs (maximize profits) of the supply-chain. Such managerial decisions include scrapping items at a cost, selling them for a marginal profit to a secondary market, applying re-work, and/or applying minor setups to restore the production process. Results show that the introduction of imperfect items increases the batch size and reduces the number of shipments. Minor setups were shown to reduce cost, increase the number of shipments and reduce its size.

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