Методологија за оптимизација на трошоци
Methodology for optimization of the quality costs

Summary/Abstract: While practicing the system for provision of quality according to ISO 9001 from the year 2000, in the rail-vehicle factory, it has been ascertained that there are increased costs due to the efforts for achieving the defined quality. Therefore, a methodology for optimization of the costs has been an object of a research. Due to this aim, the following methods have been applied: - The Pareto approach for detecting the operations where the largest percent of the irregularities in the working process appear, thus leading to costs caused by the losses; - CE ( Cause and Effect ) diagram for discovering the causes which have contributed the increase of the costs; - A method used to analyze the efficiency of working in shifts. By the help of these methods, the factory losses in € have been determined on daily, weekly, monthly, as well as on yearly basis in the various operations for reconstruction of the rail-vehicles. Again, by the implementation of this methodology, the defined quality can be effectuated with both increased efficiency and with smallest amount of costs in the working process. Key words: Pareto approach, costs, optimisation, quality, Cause and Effect diagram. While practicing the system for provision of quality according to ISO 9001 from the year 2000, in the rail-vehicle factory, it has been ascertained that there are increased costs due to the efforts for achieving the defined quality. Therefore, a methodology for optimization of the costs has been an object of a research. Due to this aim, the following methods have been applied: - The Pareto approach for detecting the operations where the largest percent of the irregularities in the working process appear, thus leading to costs caused by the losses; - CE ( Cause and Effect ) diagram for discovering the causes which have contributed the increase of the costs; - A method used to analyze the efficiency of working in shifts. By the help of these methods, the factory losses in € have been determined on daily, weekly, monthly, as well as on yearly basis in the various operations for reconstruction of the rail-vehicles. Again, by the implementation of this methodology, the defined quality can be effectuated with both increased efficiency and with smallest amount of costs in the working process.

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