Özet:

In today’s global competitive environment, the increased cooperation between manufacturers and industrial buyers and the constantly changing customer demand increases the importance of the supply chain stock management concept. In this study, a two-stage supply chain model is developed, consisting of a single manufacturer and a single buyer. The amount of order given for a single product is delivered to the buyer with the same party volume shipping during each production cycle. The production of defective products during production, the fact that defective products are in repairable properties, the repair process is done using the output, machine failure, maintenance and production delay due to the circumstances of lack of sufficient raw materials are one of the basic assumptions. The cost of repair of defective products for the buyer and the cost of lost sales appear. The time of use of the machine is a racial variable and consistently consists of single and superior distribution. The total cost functions for the manufacturer and the buyer were obtained and then the integrated total cost functions were derived. The optimal order amount and number of shipping that minimizes the integrated total cost function is determined by a recommended algorithm. The validity of the model has been demonstrated by the numerical sample and the impact of some model parameters on the optimal solution has been studied by sensitivity analysis.

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