This paper presents the application of machine learning in control metal melting process. Metal is a dynamic production process characterized by nonlinear relations between parameters. In this particular case, subject research white cast iron. Two supervised algorithms have been applied: neural network and support vector regression. The goal their prediction amount alloying additives order to obtain desired chemical composition model provided better results than regression training testing...

This paper presents the application of CAD/CAE/CAM systems at improvement manufacturing flotation balls for grinding ore.Flotation need to satisfy appropriate requirements in terms dimensional, chemical, mechanical and physical properties.These properties are directly related technology ball manufacturing, this case -permanent-mold casting technology.Software tolls from group were used designing parts, feeding systems, mold simulation permanent-mold process.Based on results process real...

There is a long process to transform bauxite, critical raw material, into substance with the required properties of cast aluminum alloys for use in electro automotive parts. Thanks its unique properties, has become material choice clean technology manufacturers applications such as industry, renewable energy, batteries, electrical systems, resource-saving packaging, energy efficient buildings and mobility. Restructuring economy, oil crisis, air pollution global warming are some factors that...

This paper presents the use of metaheuristic optimization techniques to support improvement casting process. Genetic algorithm (GA), Ant Colony Optimization (ACO), Simulated annealing (SA) and Particle Swarm (PSO) have been considered as tools define geometry part’s feeder. The proposed methodology has demonstrated in design feeder for Pelton turbine bucket. results are dimensional characteristics feeder, best result from all implemented processes adopted. Numerical simulation used verify...

The purpose of this paper is to develop a mathematical equation, which will be able accurately predict the liquidus temperature various aluminum and magnesium cast alloys on basis their known chemical compositions. An accurate knowledge permits researcher variety physical parameters pertaining given alloy. analytical expressions presented in are based “method equivalency.” According concept, influence any alloying element an and/or alloy can translated into equivalent reference element....

On the way to building smart factories as vision of Industry 4.0, casting process stands out a specific manufacturing due its diversity and complexity. One segments foundry design is application artificial intelligence in improvement process. This paper presents an overview conducted research studies, which deal with In review, 37 studies were analyzed over last 15 years, clear indication type process, field techniques, benefits that brought. The goals this are bring attention great...

In this paper, the advantages of applying software packages for optimisation relevant technological parameters casting and their implementation control in production processes using example a cast piston are presented. The micro- macrostructural characteristics two different modes solidification given. previous studies, possible phases microstructure an aluminium alloy were identified, influences on physical, chemical mechanical properties well known. aim study is to obtain alloys with...

Abstract In this paper, the possibility of implementation infrared thermography as a technical systems’ diagnostic method is investigated. The contemporary was used for visualization working conditions in piston an automotive engine well analyzing thermal changes sustained under exploitation. obtained results were to define properties alloy production highly loaded diesel engine. such way, problems caused by erroneous choice material could be avoided.

This paper presents the results of identifying and analyzing phases present in microstructure of 4 aluminum piston alloys with different chemical composition. Optical microscopy scanning electron microscopy were used to study samples EDS analysis was identify composition phases. The phase stoichiometry identified by comparing analysis with reported studied literature. show that intermetallic can appear depending on alloys.

The paper presents the average annual concentrations of heavy metal ions in wastewater Majdanpek Copper Mine filtration plant. Chemical analyses samples found an increased content (Cu, Fe, Mn, Zn, Pb, Cd etc.) that exceed values maximum permissible concentration defined by relevant Regulation Republic Serbia. obtained results were compared with limits prescribed World Health Organization and Directive 98/83/EC European Union as well some data from literature. final section provides a...

Abstract A comprehensive understanding of the solidification process is paramount importance for control and prediction actual casting characteristics. The present work presents potential cooling curve analysis to characterize path a cast hypoeutectic series Al–Si–Cu alloys. aim this was examine how variation in chemical composition Si (from 5–9 wt.%) Cu 1–4 may affect characteristic temperatures, their corresponding solid fraction, thermal freezing ranges investigated All parameters that...

The present work displays the potential of cooling curve analysis to characterize solidification path cast hypoeutectic series Al-Si6-Cu(1−4 wt.%) and Al-Si8- Cu(1−4 alloys. aim this was examine how variation in chemical composition silicon copper may affect characteristic temperatures, fraction solid, thermal freezing range investigated Eight different Al−Si−Cu alloys (Al-Si6-Cu1, Al-Si6-Cu2, Al-Si6-Cu3, Al-Si6-Cu4, Al-Si8-Cu1, AlSi8-Cu2, Al-Si8-Cu3 Al-Si8-Cu4) have been analyzed applying...

El artículo presenta los resultados de la investigación sobre formación una unión intermetálica entre el portasegmento y aleación aluminio del pistón. es fundición hierro austenítico (Ni-Resist) con fin aumentar resistencia al desgaste Al-fin primer segmento se utiliza en motores diésel altamente cargados. Se realizó un examen metalográfico intermetálica, mediante microscopio óptico combinación SEM/EDS. Los satisfactorios obtenidos muestran contacto metálico (unión segmento)

The paper proposes a programming methodology for advanced manufacturing based on STEP-NC, compliant to multi-axis CNC woodworking machining center. equivalent virtual machine in the CAD/CAM, STEP-NC environment, is developed as part of system considered aims provide digital thread running System world via Internet that can enable e-Manufacturing. Virtual twin configured and implemented into control LinuxCNC, but Web interface also. validated through simulation using experiments real machine.

The demand for high-performance Al–Si casting alloys is driven by their mechanical properties, making them popular in automotive, aerospace, and engineering industries. These alloys, especially hypoeutectic Al–Si–Mg, offer benefits like high fluidity, low thermal expansion, good corrosion resistance. Silicon magnesium primarily define microstructure properties. enhances while improves strength fatigue However, challenges shrinkage porosity persist during solidification. Understanding...

The paper presents analytical and numerical analysis of axial stresses in a novel designed high explosive rocket assisted projectile body during its launch. Classical theoretical approach finite element method (FEM) were used for this purpose. design is based on the M107 M549 projectiles, enhancing range withstanding barrel pressure from propellant charges used. goal research to present that obtained results, characteristic cross-sections, founded by classical methods, give good agreement....