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Browsing by Subject "flexures"

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  • thumbnail.journal.alt
    Item type:Article, Access status: Open Access ,
    Mechanisms for micro- and nano-systems
    (Wydawnictwa AGH, 2008) Uhl, Tadeusz; Mańka, Michał; Prusak, Daniel
    In the paper designing, structures and applications of micro- and nano- systems are presented. After short introduction in fields of applications where presented systems are used authors discusses problems concerning motors and joints in MEMS. The most popular joint used in micro-system are based on flexures joints, which structure and examples are presented. Next two examples of micro-systems designed and built in Department of Robotics and Mechatronics, AGH University of Science and Technology, Kraków are presented.
  • thumbnail.journal.alt
    Item type:Article, Access status: Open Access ,
    Zagrożenia osuwiskowe w Zakładzie Górniczym KWB Bełchatów w trakcie prowadzenia eksploatacji w najgłębszej części złoża, w rowie II rzędu
    (Wydawnictwa AGH, 2011) Sędor, Aleksandra; Czarnecki, Leopold
    In this article described landslide hazards occur while mine technology for extraction in II order graben, the deepest part of the brown coal deposit Bełchatów. Discussed major tectonic structure have influence to safe mine extraction. The article contains precise characteristic fault line called »North border fault line« (UNB no. 2) documented while mine extractions. Drop has been recorded in the Mesozoic substratum and amount 60 to 200 meters. The style of zone is varied from expansive flexure to series fault lines varied angle and dip direction. Interest aspect of this zone is appearing more often imply surfaces in the north side of fault line. The second important aspect described in this article is block of Mesozoic rock which is building south border Kleszczow graben. The zone called paleolandslide block (BP) is locating in the south border fault line Kleszczow graben called USB no. 1. Paleolandslide block is 1700 meters long and it is probably blocks group move to the north board fault line USB no. 1 about 140 meters bring about old landslide. Estimate volume BP is 118 mln $m^{3}$ with documented depth 260 meters. In the board BP charted 11 lower block group deposit in the Tertiary sediments. Described results previous field work driving to better knowledge deformations inside BP. It was taken note of practical aspect recognition structure cause steady inside block as necessary element to right planning and safe mining extraction.