Abstract
The relevance of this study is determined by the fact that, in modern conditions, the manufacturers of high-tech products offer long-term warranty service for their products aiming at receiving the consumer. In turn, the frequency of warranty service depends on the probability of trouble-free operation of the product in a certain time interval. However, increasing the uptime of the products and increase the warranty period results in increased costs. Therefore, the purpose of this study is to develop a model that allows determining the impact of the following factors on the product cost: the reliability of the manufactured products and the term of their warranty. To achieve the goal of the research there has been determined the content of warranty service, has been introduced the integrated indicator of quality warranty services, and has been shown the level of products reliability as a dependence from the costs of their manufacturing and warranty service. The novelty of this study is estimation of the manufacturer’s cost depending on the way of providing the warranty service, either by repair, or by complete replacement of the failed product. The research results provide competitive advantages to manufacturers of high-tech products since it enables to find the efficient period and intensity of the warranty service.
Highlights
Every company is fighting for the consumer under the circumstances of modern market economy
The originality of this article is determined by using methods of mathematical statistics and probability theory in the dependence evaluation according to the manufacturer’s costs to the duration of the warranty period and reliability of manufactured products
You can draw the following conclusions: Guarantee services for the issued products is a set of works performed by manufacturer with the aim of providing technical and economic satisfaction and legal protection of the client-buyer, as a result of purchased products use
Summary
Every company is fighting for the consumer under the circumstances of modern market economy. The originality of this article is determined by using methods of mathematical statistics and probability theory in the dependence evaluation according to the manufacturer’s costs to the duration of the warranty period and reliability of manufactured products. Due to the fact that the reliability of the product is a probabilistic value, which is determined in dependence on the operational period of the product, the methodology of this study is based on the methods of probability theory The use of these methods makes it possible to obtain a more or less reliable information on the probability of failure-free operation of the product during the warranty period and allowed to make a cost-dependent mathematical model of the manufacturer, that provides warranty service with a given probability of failure-free operations
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