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THEORETICAL AND EXPERIMENTAL RESEARCH OF MACHINING OPERATIONS COST

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Author(s): E. Benin

Journal: Economics of Development
ISSN 1683-1942

Volume: 67;
Issue: 3;
Start page: 96;
Date: 2013;
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Keywords: processing cost | processing efficiency | tools | cost item | wages

ABSTRACT
The article deals with identifying the ways to reduce the cost of manufacturing engineering products. In this regard, the conditions which significantly reduce the cost of processing parts, consisting in the application of modern high-performance modular tools with carbide wear-resistant coatings, working in high-speed cutting, were theoretically and experimentally subtantiated. It is proved that between the cost and processing capacity at the point of extremum (minimum) cost there is an inversely proportional relationship. Therefore, it is possible to achieve substantial cost reduction only by increasing productivity. This increase in the cost of the tool is compensated by an increase in productivity and a decrease in the cost of treatment. It is established that an increase in processing performance causes an increase in costs of the tool relatively to the cost of workers’ wages, but in general the cost of workers’ wages always exceed the cost of the tool. The theoretical solutions are confirmed experimentally. It is found that through the use of modular tools with carbide wear-resistant coatings the productivity can be more than 10 times increased and the processing costs can be reduced, that is very difficult to achieve by other economic methods. Thus, one processing tool may be 10 times more efficient. This shows that due to the modernization of the enterprises, in particular the use of new efficient technologies and tools for metalwork, the problem of creating a competitive engineering products at Ukrainian enterprises can be successfully solved.

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