Abstract
Abstract The article specifies the dependence of defects occurring in the lamination process in the production of yachts. Despite great knowledge about their genesis, they cannot be completely eliminated. Authentic data obtained through cooperation with one of the Polish yacht shipyards during the years 2013–2017 were used for the analysis. To perform a simulation, the sample size was observed in 1450 samples, consisting of 6 models of yachts with closed and open deck. Finding the dependence of the occurrence of specific defects will allow for faster procedures and more effective quality control, which will contribute to lower costs. The use of new methods based on artificial intelligence related to Big Data allows for easier observation of dependencies in the complex structure of data from yacht production. The association rules were defined using the algorithm Apriori and define interdependent defects. A number of dependencies were found for the occurrence of production defects not obvious to technologists, but occurring with a high probability of coexistence. The presented research results may allow the planning process of production tasks to be improved.
Highlights
Today, fibrous polymer composites are used in all fields of technology, replacing traditional materials and giving new possibilities for design solutions, especially in relation to means of transport [1]
Air bubbles (A) may be caused by irregular application of the resin, lack of the resin degassing process, incorrect temperature in the working room
The current research work and the results presented in the literature concern the influence of production methods on the mechanical properties or service life of laminates
Summary
Fibrous polymer composites are used in all fields of technology, replacing traditional materials and giving new possibilities for design solutions, especially in relation to means of transport [1]. Polymer laminates are commonly used in the construction of small vessels such as yachts and pleasure boats, patrol boats for the police and army, fishing boats [40]. The length of these units is usually from a few to about 30 meters. The amagnetic corvettes built by it are even 90 m (and more) long [27] This requires the use of modern materials and technologies. Effective use of new materials in the construction of laminate elements requires the use of more advanced manufacturing techniques that guarantee better structural quality of the material associated with a smaller number of technological defects and the possibility of reducing the proportion of resin in the structure, which leads to an increase in strength, resistance to cracking and service life [12, 22, 29]
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