About: Determination of Thermo-Mechanical State of a Cooled Ball Screw Feed Drive

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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 (en)
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 (en)
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 (en)
skos:notation	RIV/68407700:21220/09:00162476!RIV10-MSM-21220___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M0507)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Bárta, Pavel Hornych, Jan Horejš, Otakar
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta strojní
http://linked.open...dnocenehoVysledku	309953
http://linked.open...ai/riv/idVysledku	RIV/68407700:21220/09:00162476
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	cooled ball screw; transfer function; coupled-field FEA (en)
http://linked.open.../riv/klicoveSlovo	transfer function cooled ball screw coupled-field FEA
http://linked.open...ontrolniKodProRIV	[05EAF0C29EA8]
http://linked.open...v/mistoKonaniAkce	San Sebastian
http://linked.open...i/riv/mistoVydani	Bedfordshire MK AL
http://linked.open...i/riv/nazevZdroje	Proceedings of the 9th international conference of the european society for precision engineering and nanotechnology - Volume I
http://linked.open...in/vavai/riv/obor	JQ
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Research of Production Engineering Technique and Technology
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Bárta, Pavel Horejš, Otakar Hornych, Jan
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2009-06-02 (xsd:date)
number of pages	1 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Cranfield University
https://schema.org/isbn	978-0-9553082-6-0
http://localhost/t...ganizacniJednotka	21220

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