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Statements

Subject Item
n2:RIV%2F68407700%3A21220%2F09%3A00162476%21RIV10-MSM-21220___
rdf:type
n6:Vysledek skos:Concept
dcterms:description
A ball screw system is widely used for rapid translating precise motion because of its high efficiency and long lifetime. However, a ball screw feed drive system naturally produces heat, which thereby causes thermal expansion of the screw shaft. Consequently it adversely affects machining accuracy not only positioning error but heat can migrate into surrounding structure which causes thermal deformation of other machine tool parts. Application of preloaded bearings brings about an additional serious drawback - potential thermal instability. A cooling of a screw shaft is a common solution to prevent all these negative features of ball screw nowadays. This paper reports on a model for prediction of thermo-mechanical state of the cooled ball screw taking non-steady heat sources in bearings into account. Moreover the identification of the heat source in bearings using thermal transfer function is described A ball screw system is widely used for rapid translating precise motion because of its high efficiency and long lifetime. However, a ball screw feed drive system naturally produces heat, which thereby causes thermal expansion of the screw shaft. Consequently it adversely affects machining accuracy not only positioning error but heat can migrate into surrounding structure which causes thermal deformation of other machine tool parts. Application of preloaded bearings brings about an additional serious drawback - potential thermal instability. A cooling of a screw shaft is a common solution to prevent all these negative features of ball screw nowadays. This paper reports on a model for prediction of thermo-mechanical state of the cooled ball screw taking non-steady heat sources in bearings into account. Moreover the identification of the heat source in bearings using thermal transfer function is described
dcterms:title
Determination of Thermo-Mechanical State of a Cooled Ball Screw Feed Drive Determination of Thermo-Mechanical State of a Cooled Ball Screw Feed Drive
skos:prefLabel
Determination of Thermo-Mechanical State of a Cooled Ball Screw Feed Drive Determination of Thermo-Mechanical State of a Cooled Ball Screw Feed Drive
skos:notation
RIV/68407700:21220/09:00162476!RIV10-MSM-21220___
n3:aktivita
n14:P
n3:aktivity
P(1M0507)
n3:dodaniDat
n9:2010
n3:domaciTvurceVysledku
n4:7808178 n4:5190282 n4:7360940
n3:druhVysledku
n17:D
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n5:predkladatel
n3:idSjednocenehoVysledku
309953
n3:idVysledku
RIV/68407700:21220/09:00162476
n3:jazykVysledku
n19:eng
n3:klicovaSlova
cooled ball screw; transfer function; coupled-field FEA
n3:klicoveSlovo
n10:cooled%20ball%20screw n10:coupled-field%20FEA n10:transfer%20function
n3:kontrolniKodProRIV
[05EAF0C29EA8]
n3:mistoKonaniAkce
San Sebastian
n3:mistoVydani
Bedfordshire MK AL
n3:nazevZdroje
Proceedings of the 9th international conference of the european society for precision engineering and nanotechnology - Volume I
n3:obor
n18:JQ
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n15:1M0507
n3:rokUplatneniVysledku
n9:2009
n3:tvurceVysledku
Horejš, Otakar Hornych, Jan Bárta, Pavel
n3:typAkce
n16:WRD
n3:zahajeniAkce
2009-06-02+02:00
s:numberOfPages
1
n13:hasPublisher
Cranfield University
n20:isbn
978-0-9553082-6-0
n21:organizacniJednotka
21220