ABSTRACT Parts produced by extrusion‐based additive manufacturing experience the disadvantage of consisting many weld‐lines, which consequently downgrade their mechanical properties. This work aims at maximizing strength printed parts considering and improving intra‐ inter‐layer cohesion between adjacent strands. Therefore, poly(lactic acid) specimens were characterized means a particular tensile test setup, was evaluated double cantilever beam test. A detailed parametric statistical...

Polypropylene (PP) parts produced by means of extrusion-based additive manufacturing, also known as fused filament fabrication, are prone to detaching from the build platform due their strong tendency shrink and warp. Apart incorporating high volume fractions fillers, one approach mitigate this issue is improve adhesion between first deposited layer platform. However, a major challenge for PP lack on standard materials, well risk welding PP-based materials. This study reports material...

Human-centricity, sustainability, and resilience are the core pillars of Industry 5.0 concept. The human-centric perspective emphasizes development socio-technical systems designed to enhance human health, safety, well-being while fostering sustainable practices that benefit society at large. This paper presents a systematic literature review identify key characteristics human-centered work environments. findings reveal growing interest in factors ergonomics, with notable gaps cognitive...

Advantages of deep-cryogenic treatment over standard heat high speed steels for the purpose obtaining better properties are quoted in an increasing number scientific articles. This article deals with most important improvements steel achieved by using treatment. The effect on impact and fracture toughness, erosion wear resistance, material microstructure has been tested samples made PM S390 MC steel. A set test was treated conventional methods (hardened three times temperature tempered),...

The implementation of the Industry 4.0 concept enables flexibility, modularity and self-optimization manufacturing process. Process planning, placed in value chain between construction physical manufacturing, therefore, also demands digital transformation, while management transformation towards new framework represents one most demanding challenges. Continuing research on its structure role within smart factory, main motivation for this work was to recognize potential process planning...

The study investigates how the presence of traffic signalling elements (road markings and signs) affects behaviour young drivers in night-time conditions. Statistics show that (≤30 years old) are often involved road accidents, especially those occur Among other factors, this is due to lack experience, overestimation their ability or desire prove themselves. A driving simulator scenario was developed for purpose research 32 took two runs using it: (a) one containing no signs (b) signs. In...

The digitization of the manufacturing industry, 10 years after introduction Industry 4.0 concept, is still one most demanding tasks for companies, especially SMEs. As biggest barriers in new business model implementation, lack strategy and workforce skills frequently mentioned literature. high level investments it requires perception risks with unclear future benefits can be avoided readiness factor calculation. This paper presents a novel calculation, oriented to process planning based on...

With the introduction of Society 5.0 for sustainable future, special caution is given to humans’ role within general system. Similarly, Industry as a concept has been presented, followed by Logistics in its theoretical framework. The transition towards new requires an accurate and optimal strategic plan definition which, this paper, implementation model based on decision support systems will be developed. output data from are priority elements (from five groups—green warehousing, green...

Industry 5.0 emphasizes human-centricity, sustainability, and resilience as its core characteristics, with a focus on developing socio-technical systems that enhance human health, safety, well-being while fostering sustainable societal practices. The human-centric perspective places significant importance factors ergonomics, aiming to align technological advancements the needs capabilities of individuals. In this context, artificial intelligence (AI) emerges transformative tool for advancing...

Manufacturing companies are gaining advantages through the introduction of new technologies, but problems related to human resources, management, and organization have been identified. Industry 5.0 represents a concept whose goal is enable synergy people machines. Its part concerning technological humanism more importance due very rapid development it especially important when considering application Artificial Intelligence in consequences for employees. As systems capable performing complex...

This study investigates a sustainable approach to the photocatalytic degradation of Congo red (CR) dye using titanium dioxide (TiO2) under simulated solar radiation, with specific focus on UV-A component radiation. The aim was optimize reaction conditions maximize removal efficiency while promoting environmentally friendly wastewater treatment practices. A central composite design (CCD) implemented, and results were analyzed analysis variance (ANOVA). key factors examined included TiO2...

Antivenoms from hyperimmune animal plasma are the only specific pharmaceuticals against snakebites. The improvement of downstream processing strategies is great interest, not in terms purity profile, but also yield-to-cost perspective and rational use origin. We report on development an efficient refinement strategy for F(ab')2-based antivenom preparation. Process design was driven by imperative to keep active principle constantly solution as a precautionary measure preserve stability its...

Manual "picker-to-part" order picking takes place in a labour-intensive and time-consuming working environment where humans are the central actors co-determine effectiveness efficiency of process. Throughout Europe, work-related musculoskeletal disorders affect millions workers, especially logistics sector, cost employers billions euros.This paper studies how pickers relate use technology as well their relationship with company to well-being, health productivity.To obtain data, survey...

The adsorption of the antibiotic ciprofloxacin (CIP) from water solution by natural zeolite–clinoptilolite (CLI), magnetic clinoptilolite (MAG-CLI), and graphene oxide coated (GO-MAG-CLI) was investigated. novel approach an environmentally friendly cost-effective microwave-assisted method applied for composite synthesis. Detailed characterization prepared composites achieved. In order to investigate effect initial CIP concentration, pH, temperature, contact time, type adsorbent on efficiency...

Adopting the concept of Industry 4.0 enables manufacturing companies to gain advantages from digital production management, though issues have been identified related human resources, management and organisation. Problem areas concern workplace ergonomics general wellbeing satisfaction workers, social responsibility. 5.0 promotes progress based on human-machine collaboration sustainable, human-centred value creation. The research model degree technological humanism, which aims ensure that...

Ultrasonic thickness measurement depends on the capability of equipment and its operating characteristics, as well auxiliary means used to adjust system analyse obtained results. The characteristics ultrasonic device commonly a flaw detector are crucial for achieving accurate precise results very important reliability in process, especially production systems. This article aims determine quantitative variations caused by influencing parameters chosen probe, their quantification interactions,...

The development of ceramic materials resistance in various aggressive media combined with required mechanical properties is considerable importance for enabling the wider application ceramics. corrosion depends on their purity and microstructure, kind used ambient temperature. Therefore, alumina ceramics aqueous HNO3 solutions concentrations 0.50 mol dm-3, 1.25 dm-3 2.00 different exposure times-up to 10 days-have been studied. influence temperature (25, 40 55 °C) was also monitored....

The effects of mold rotation speed, pouring temperature, preheating rate and coating thickness on the solidification time, shrinkage porosity melt velocity in vertical centrifugal casting were investigated. To minimize computation time obtain adequate estimate effects, a Fractional Two – Level Factorial Design 2(5–1) was applied. results obtained by numerical simulations using ProCAST software. regression model developed Expert analysis variance revealed that had most pronounced effect...

Fused Filament Fabrication (FFF) is a material extrusion based additive manufacturing technique that enables the processing of thermoplastic filaments, which are selectively extruded and deposited in layer-wise manner to create three-dimensional objects. Filaments polymer-based compounds highly-filled with ceramic powders (ca. 40-60 vol.%), known as feedstocks, can be processed by means FFF shape parts. Such parts then debound order remove polymer from feedstock. A highly porous structure...

The effect of manufacturing quality on rocket impact point dispersion is analyzed. approach presented here applies to any type rocket. Here, demonstrated for the unguided rocket, and by simulating four typical errors: erroneously manufactured warhead, misalignment between warhead engine chamber, asymmetrically installed propellant, error in nozzle manufacturing. A new methodology proposed, which combines a 3D CAD model asymmetrical projectile (due errors) improved Six-degrees-of-freedom...

Industry 4.0 concept today is an imperative for every manufacturing, but also the service company. In most demanding situation are SMEs because of high level financial investment during digitalization period required. To make and strategic plan as accurate with less waste possible readiness factor should be calculated. It demonstrates current in company gives overview needed comparison ideal model. There several methods calculation already presented literature, none them has been shown...

The ship production process is a complex manufacturing system involving numerous working stations mutually interconnected by transport devices and buffers. Such can be efficiently modeled using the stochastic approach Markov chains. Once formulated, mathematical model enables analysis of governing properties like rate, work-in-process, probabilities machine blockage starvation that govern bottleneck identification its continuous improvement. Although improvement well-known issue, it usually...