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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Porovnání lisů na válcové balíky s pevnou a variabilní komorou
 DŘEVO, Vojtěch
This bachelor thesis focuses on the comparison of fixed and variable chamber cy-lindrical bale presses from Lely Welger. The first part is devoted to the description and principles of bale baling, including the agrotechnical requirements imposed on the balers. The next part of the paper focuses on the basic classification of balers according to parameters and their essential elements. The design of the baling chamber has the greatest influence on the final cost of baling. This determines the cost of fuel consumption, the cost of the net and the cost of removal. The design elements of the press are different for each manufacturer, but they work on the sa-me principle. The work continues with research. For the purpose of the research, a Lely Welger RP 435 variable chamber press and a Lely Welger RP 200 fixed cham-ber press were used. The compressibility and fuel consumption per bale were de-termined by the call-mem. Furthermore, the economic costs of acquisition, operati-on of the balers and the cost per tonne of harvested mate-rial were compared.
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Posouzení faktorů ovlivňujících koncentraci prachových částic při lisování píce
 ŠŤASTNÝ, Vladislav
The objective of this diploma thesis is to assess the factors affecting the concentration of dust particles during forage pressing. For this purpose, five presses for square bales and five presses for round bales were selected. They were harvesting different kinds of straw. Thanks to measurement using an aerosol monitor, the concentration of dust particles during the harvest was detected. The measured values were evaluated and the amount of concentration of the dust particles between the square and round bale presses was compared. There were also set the methodological steps of the measurement procedure.
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