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Title | Ensuring economic efficiency of flexible fixtures in multiproduct manufacturing |
Authors |
Ivanov, Vitalii Oleksandrovych
Liaposhchenko, Oleksandr Oleksandrovych Denysenko, Yuliia Oleksandrivna Pavlenko, Ivan Volodymyrovych |
ORCID |
http://orcid.org/0000-0003-0595-2660 http://orcid.org/0000-0002-6657-7051 http://orcid.org/0000-0003-1518-2663 http://orcid.org/0000-0002-6136-1040 |
Keywords |
flexible manufacturing fixture design multiaxis machining cost of machining |
Type | Article |
Date of Issue | 2021 |
URI | https://essuir.sumdu.edu.ua/handle/123456789/83889 |
Publisher | Sciendo |
License | Creative Commons Attribution 4.0 International License |
Citation | Ensuring economic efficiency of flexible fixtures in multiproduct manufacturing [Електронний ресурс] / V. Ivanov, O. Liaposhchenko, Y. Denysenko, I. Pavlenko // Engineering Management in Production and Services. — 2021. — Vol. 13, Issue 1. — P. 53-62. |
Abstract |
The first-priority directions for modern engineering, especially for multiproduct
manufacturing, include the intensification of manufacturing processes, increasing the
efficiency of technological equipment, and reducing the time required to implement
technological solutions. Fixture design is a complicated and time-consuming process
that requires considering many parameters of the closed-loop technological system
“machine tool — fixture — cutting tool — workpiece”. One machined part can have
several fixture layouts corresponding to all specified parameters; however, their
effectiveness differs depending on production conditions. Search for an optimal fixture
for specified production conditions is an essential stage of production planning. It has
been proved that the efficiency of a manufacturing process should be assessed using
single economic indicator — the cost of machining, which considers the costs of time,
the total costs for process realisation, and a batch of parts. The paper aims to
substantiate the efficiency of manufacturing processes in machining complex parts
using flexible fixtures by developing a mathematical model that considers the cost of
time, the cost of implementing the manufacturing process, and the batch value of
parts production. This approach estimates the efficiency of manufacturing processes
for machining complex parts and choosing the flexible fixture layout that corresponds
to specific production conditions. It was proved that flexible fixtures could be effectively
used for machining small batches of parts with frequent readjustments to new
workpieces and short-term machining. A tendency has been established that the
higher number of nomenclature of parts contributes to expanding the scope of the
effective use of flexible fixtures. |
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