Design of a laboratory hydraulic device for testing of hydraulic pumps

Máchal, Pavel; Tkáč, Zdenko; Kosiba, Ján; Jablonický, Juraj; Hujo, Ľubomír; Kučera, Marián; Tulík, Juraj

doi:10.11118/actaun201361051313

Cited by 10 publications

(6 citation statements)

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“…Nowadays, there are many quality management tools, so selecting the appropriate tools is not always easy (Krakowiak-Bal and Salamon, 2011). Statistics has a unique place in the modern society (Máchal et al, 2013). It is used in the analysis of social and economic phenomena, not only in science and research, but also as an important instrument of state policy (Kadnár et al, 2014).…”

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confidence: 99%

Quality Control in Production Processes

Prístavka

Kotorová

Savov

2016

Acta Technologica Agriculturae

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The tools for quality management are used for quality improvement throughout the whole Europe and developed countries. Simple statistics are considered one of the most basic methods. The goal was to apply the simple statistical methods to practice and to solve problems by using them. Selected methods are used for processing the list of internal discrepancies within the organization, and for identification of the root cause of the problem and its appropriate solution. Seven basic quality tools are simple graphical tools, but very effective in solving problems related to quality. They are called essential because they are suitable for people with at least basic knowledge in statistics; therefore, they can be used to solve the vast majority of problems.

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confidence: 99%

Quality Control in Production Processes

Prístavka

Kotorová

Savov

2016

Acta Technologica Agriculturae

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“…These trials have to be carried out by an organisation independent of tractor manufacturers due to the ob-jectivity of independent assessment of a tested tractor. For this purpose, a specially designed laboratory device was used to observe the operational conditions of the machine (Brdarić et al 2009;Turza, Kopiláková 2011;Burg et al 2012;Máchal 2013, Porteš et al 2013Tkáč et al 2014). The increase of technological parameters causes considerable wearing of components and also decrease of their durability (Kučera, Rousek 2003;Drabant et al 2010;Turza, Kopiláková 2011;Majdan et al 2012).…”

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confidence: 99%

Monitoring of operation loading of three-point linkage during ploughing

Hujo¹,

Tkáč²,

Tulík³

et al. 2016

Res. Agric. Eng.

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Hujo Ľ., Tkáč Z., Tulík J., Kosiba J., Uhrinová D., Jánošová M. (2016): Monitoring of operation loading of three-point linkage during ploughing. Res. Agr. Eng., 62: 24-29.The research was focused on operational measurements of tractor plough tools and their subsequent utilisation and simulation under laboratory conditions by a hydrostatic simulator. In this field, theoretical and experimental works were focused on tractors, whereby the proposal of laboratory test arose out of the loading characteristics of the three-point linkage of the tractor. These characteristics were obtained from the agricultural tractor's operation in plough aggregation. Measurements were performed with the following tools: tractor with carrier-mounted four-mouldboard plough PH1-435 and tractor with Kuhn plough manufactured by. The subject of these measurements was to obtain the time courses of forces and pressures in the hydraulic system of the three-point linkage during ploughing with carrier-mounted and semi-mounted ploughs. For objective comparison of the obtained results during experimental measurements, we determined the characteristics of measurement conditions focused on physical and mechanical properties of the soil -bulk density, moisture, penetrometer resistance and slide strength of the soil.

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“…With the given test laboratory equipment, the diagram of which is shown in Fig. 1, it is possible to evaluate the operation of the oil filter, monitor the size of foreign particles removed from the liquid through oil filters, but also monitor the expected life of the oil filter itself [6,8,9] circuit B, in which a contaminated liquid is used in the measurement, it is called a test measuring circuit. The last of the main circuits is circuit C, which consists of a recording and evaluation unit.…”

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confidence: 99%

Measurement of flow and pressure characteristics of combustion engine oil filters

et al. 2021

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For the purpose of measuring the flow and pressure characteristics of oil filters used in vehicles with internal combustion engines, a laboratory test equipment was used, which was designed at the Department of Transport and Handling of the Slovak University of Agriculture in Nitra. The target information from the given measurement is the obtained data on the change of flow and pressure, based on the type of oil filter used. The contribution of this paper is information that can be used in the future in the design of new filtration equipment, as well as the creation of a system for evaluating the technical life of motor oils, in order to extend the service intervals of motor oil, monitored set of motor vehicles.

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Design of a laboratory hydraulic device for testing of hydraulic pumps

Cited by 10 publications

References 1 publication

Quality Control in Production Processes

Quality Control in Production Processes

Monitoring of operation loading of three-point linkage during ploughing

Measurement of flow and pressure characteristics of combustion engine oil filters

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