Fiziksel dağıtım süreçlerinin yalın üretim sistemleri açısından incelenmesi: Değer akış haritalama yaklaşımı

Value stream mapping had its origin in the lean manufacturing, material and information flow diagrams developed originally by Ohno (1988) in Toyota and called it Toyota Production System. Firstly, it was used to identify the source of wastes in the manufacturing area and eliminate them. This has already been extended to help in the design of improvement programs oriented to eliminate waste in logistics and service operations. Then it was adapted to support efficiency improvement programs in the transport operations environment. A new value stream map and an efficiency measure for transport operations were proposed by Villarreal (2012) and it was referred to as Transportation Value Stream Mapping (TVSM). TVSM is a value stream mapping approach for distribution operations for identifying availability, performance and quality wastes. VSM was used to find bottlenecks and the source of wastes. It serves as an applied case study to reveal the current logistics process map (via TVSM) and detailed transportation processes from a large food packaging manufacturer to its European customers through its logistics partners. The study aims to examine the transportation processes of the case study firm from origin to destination and find a solution to optimize routes. The Beresford time cost distance model was used after TVSM analyzes as a method to find optimal route in terms of transportation costs, transit times and distance. One company for each country (Germany, Belgium, and the Netherlands) was identified and all possible shipping routes were examined in this research in terms of advantages and disadvantages.