Effect of Chemical Degreasing on Corrosion Stability of Components in Automobile Industry

Álló, Štefan; Kročko, Vladimír; Korenko, Maroš; Andrássyová, Zuzana; Földešiová, Daniela

doi:10.4028/www.scientific.net/amr.801.19

Cited by 6 publications

(5 citation statements)

References 3 publications

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“…Both sliding elements were weighted on the scales (Voyager Pro VP 613 CN) before and after the experiment, and roughness was measured with a roughness tester (Mitutoyo SJ-201). The monitored parameter was Ra, whereby Ra represents an average arithmetic value of absolute deviations of a profile when 'n' points of the profile are selected on the basic length [11,12,13,14,15].…”

Section: Methodsmentioning

confidence: 99%

Possibilities of Using Ecological Fluid in Agriculture

Kučera

Bujna

Korenková

et al. 2014

AMR

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This paper deals with the issue of using ecological oils in the sliding pair of hydraulic and transmission systems working in the area of agriculture. The sliding pair included a B 60 bearing and a journal with contact surface made of 14 220 steel. The experimental tests were carried out with two oils: the Fuchs Plantohyd 46 S ecological oil and PP 80 reference oil (producer: Slovnaft) which is a commonly used lubricant in given conditions. The results of the experiments were statistically processed and based on them, friction coefficient and temperature, both depending on the test duration, was evaluated. Consequently, the weight loss and roughness change of both tribological elements were statistically processed.

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Section: Methodsmentioning

confidence: 99%

Possibilities of Using Ecological Fluid in Agriculture

Kučera

Bujna

Korenková

et al. 2014

AMR

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“…These are mainly applied in the field of mechanical engineering, mechatronics, robotics, production engineering, machining, biomedical engineering, automotive engineering, tribology, microsystems, precision mechanics, etc. [66][67][68][69][70][71][72][73][74][75][76][77][78][79][80][81][82][83][84][85].…”

Section: Discussionmentioning

confidence: 99%

Measuring Procedures for Evaluating the Surface Roughness of Machined Parts

Palová,

Kelemenová,

Kelemen

2023

Applied Sciences

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This article deals with the problems that arise during the evaluation of the surface of the components, which can have a fundamental impact on the functionality and service life of the component as well as the entire product. A fast method for estimating the condition and maximum error of the surface tester used for assessing the surface roughness of components was proposed. Using the secondary surface roughness standard, a uniform distribution law of the measured data was experimentally identified as a suitable model, according to which it is then possible to determine the coverage factor for determining the measurement uncertainty. The design of surface roughness measurement methodology for Ra determination is critical when selecting optimal settings of conditions and measurement parameters for various types of component surface treatment technologies. This is mainly due to the effect of the selection of the evaluation standard, the effect of the measurement speed, and the effect of setting the cut-off filter for the evaluation of the quantity Ra. Etalon samples of surface roughness realized by different technologies were used for experimental verification of these phenomena. Large sets of measurements were carried out on selected samples from each technology, and, accordingly, a methodology was proposed for determining the optimal number of measurements for determining the surface roughness of the investigated component, which represents an important factor for achieving measurement results with minimal measurement uncertainties at low financial costs.

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“…These experiments were performed because of cost cutting and reducing the burden on the environment, eliminating the occurrence and spread vibrations production systems and prevent problems with safety [32][33][34][35]. The inclusion of the acquired knowledge in the production process would result in increased quality and increase of economic efficiency [36][37][38][39][40].…”

Section: Discussionmentioning

confidence: 99%

Vibration and Experimental Comparison of Machining Process

Panda

Prislupčák

Jurko

et al. 2015

KEM

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Abrasive water jet technology is among the unconventional ways of machining. In today's modern and progressive era is often used for cutting and machining of various types of materials because of lower costs and environmental impact, as the cutting tool is water, in our case, with the addition of abrasives. Objective of the measurements was to evaluate the impact of vibration on the technological head in abrasive water jet technology in changing the selected technological parameters and the flow rate of technological head. In the given experiment, the used material - steel Hardox 500 with a thickness of 10 mm. The effort was to investigate the effects of changes in the speed rate of technological head (by speeds - 40, 200, 400 mm / min) on the size of the vibration acceleration amplitude and its frequency. Based on the measured values of vibration to the technological head create the database and from it is evaluated the data in selected softwares (LabVIEW, SignalExpress and Microsoft Excel). Findings and conclusions are formulated on the basis of graphical dependencies, envelopes frequency spectra and comparison chart of envelopes.

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Effect of Chemical Degreasing on Corrosion Stability of Components in Automobile Industry

Cited by 6 publications

References 3 publications

Possibilities of Using Ecological Fluid in Agriculture

Possibilities of Using Ecological Fluid in Agriculture

Measuring Procedures for Evaluating the Surface Roughness of Machined Parts

Vibration and Experimental Comparison of Machining Process

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