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Browsing by Subject "bucket"

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  • thumbnail.journal.alt
    Item type:Article, Access status: Open Access ,
    Analiza techniczna i ekonomiczna rekonstrukcji czerpaków dla koparek kołowych SCHRS 4000 urabiających caliznę w KWB «Bełchatów»
    (Wydawnictwa AGH, 2005) Badura, Sławomir; Łopata, Antoni Mieczysław
    The paper presents technical and economical analysis of the reconstruction for symmetrical and asymmetrical bucket mounted on the bucket wheel excavators SchRs 4000 in the targets to dredging mineral.
  • thumbnail.journal.alt
    Item type:Article, Access status: Open Access ,
    Optymalizacja czerpaków koparek kołowych urabiających utwory trudno urabialne
    (Wydawnictwa AGH, 2009) Szyszka, Roman; Płomiński, Sławomir
    The technological process of overburden removal in PGE KWB »Bełchatów« SA is being put into practice by use of SchRs 400 and SchRs 4600 bucket ladder wheel excavators. Direct mining process is being made by buckets which are exposed to intensive wear process as a result of great amount of different, changeable workability class overburden masses removal. Significant deteriorafion of rocks mining conditions in Szczerców Field in relation to Bełchatów Field (workability class increase) caused the decline of buckets survivability in Szczerców Field even twice and three times what led to the increase of overburden excavators standstills and the increase of expenses for regeneration. The paper presents the optimalisation process of bucket corners and cutters by use of welding methods as well as constructional (geometrical) changes together with the results evaluation which were obtained during the years of observation.
  • thumbnail.journal.alt
    Item type:Article, Access status: Open Access ,
    Zrobotyzowane spawanie czerpaków koparek
    (2007) Idziak, Eugeniusz; Szyszka, Roman; Siennicki, Andrzej; Turek, Bogdan
    Excavator buckets are fast moving elements. Each bucket is subject for rebuilding before renewed assembly on the excavator. On the robotized welding stand, during rebuilding process, operations of bucket wear parts cutting out, facing by welding, and welding are automatically executed. This is possible since this stand is composed of ROMAT 320 series robot, tilling-rotary positioner witch load capacity 75000 N and welding installation currying following processes: - high-duty MAG-MIG TANDEM method welding, - oxy cutting, - plasma cutting, - facing by core self-guard wires. Reproducible operations execution during bucket rebuilding process with robotized stand caused more efficiency increasing, quality improvement and most noxious and harmful operations elimination for workers health, which were manually by them executed as yet.