The Study On Service Spare Part Logistics System Operation Mode

Logistics of service spare parts is a collective logistic activity which supports the smooth daily operation and after-sale service of a business entity, with the purpose of ensuring the on-time delivery of service spare parts. With the help of an efficient service spare parts logistic system, a business can benefit from an improved after-sale service, better built customer loyalty and a lowered cost of maintaining the spare parts, which indirectly would eventually lead to a higher level of profitability.First of all, this article begins with an introduction of the concept of service spare parts logistics, as well as the drawbacks of current relevant situation in the real business operations. It also shows an analysis of the logistic difference between service spare parts and the finished products, which indicate the strategic importance of service spare parts logistics. Then the paper continues with a thorough analysis of uniqueness and specialty of service spare parts logistics from a number of aspects, which includes, but not limit to, service spare parts purchase, inventory management, customer service, materials features and transportation. All these together build up a solid foundation for a more detailed presentation thereafter.Secondly, based on the "ABC" approach of inventory management, this article presents a new improved method which is different from the traditional one-categorizing spare parts by their bearing value. According to the new approach, an inventory strategy, which focuses mainly on the various features of different service spare parts, has also been introduced. Furthermore, this article shows a research of a creative purchasing strategy which operates accordingly with the different stages of the products' life circle.Last but not least, according to the uniqueness of service spare parts inventory controlling system, the controlling process with a secondary inventory system is thoroughly researched. It shows the process and principle of modeling, search the results with Genetic Algorithm and sample result testing.