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Wyszukujesz frazę "Blata, Jan" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Research of overburden rocks geological parameters impact to the excavators cutting bodies abrasion in the Most basin conditions
Autorzy:
Řehoř, Michal
Moni, Vlastimil
Helebrant, František
Blata, Jan
Powiązania:
https://bibliotekanauki.pl/articles/2064871.pdf
Data publikacji:
2019
Wydawca:
STE GROUP
Tematy:
excavator
cutting bodies
geology
hard structures
sands
Opis:
The Brown Coal Research Institute started the solving of the research project based on the optimisation of the shape and material of ground and mining machines in 2018. This research is necessary for increasing of efficiency of mining process in conditions of the Most Basin. The very important part of the research was the geological characteristic of the Most Basin main mining localities. Evaluation of the geological situation of the Bílina, Vršany and Libouš mines (mining of the overburden rocks in the ČSA mine finished) is the first stage of the solving of the project described in this article. The occurrence of sandy strata and the parameters of hard rocks are the most important parameters. The most important used laboratory analyses were the content of crystalline quartz, content of siderite, content of calcite and compressive strength. The location of the overburden cuts with similar mining conditions in different mining localities, very important for need of future research, is described in the end of this article.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2019, 2, 1; 356--366
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of Tooth No. 2674 and ESCO Tooth 3D models
Autorzy:
Moni, Vlastimil
Klouda, Petr
Miletič, Tomáš
Helebrant, František
Donát, Luboš
Blata, Jan
Řehoř, Michal
Powiązania:
https://bibliotekanauki.pl/articles/2064863.pdf
Data publikacji:
2019
Wydawca:
STE GROUP
Tematy:
3D model
tooth
bucket
cutting bodies
mining machine
Opis:
The expense of restoring of excavators cutting bodies is increasing these days in the Most Basin area, primarily the replacement of tooth because of abrasion expense. The main reason is the complicated geological situation of overburden rocks, first of all the occurrence of sands and hard structures in the overburden cuts rocks in the deep horizons of open pit mines. Description of the first part of the strength analysis and applicability of 3D models of the tooth serial number 2673 and the tooth ESCO Super V39VYH with application of finite element method (FEM) is the main topic of this article. This research is the stage of the project based on optimisation of the shape and primarily the material used during manufacturing of the mining and ground machines cutting bodies in concrete mining conditions. The research is going on with application of new knowledge in the field of material engineering, metallurgy, cryogenic and nanotechnology. The main target is the increasing of mining process efficiency and the mining machines key node lifetime. Research of the excavator tooth parameters described in this article is very important part of the research.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2019, 2, 1; 345--355
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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