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Description
  • Jednou z důležitých operací při výrobě šroubů na postupových automatech je ostřižení napěchované hlavy šroubu šestihrannou ořezávací matricí. Kvalitu střižné plochy jakož i celkovou životnost nástroje ovlivňuje především střižná hrana. Od výrobce přišel požadavek zodpovědět, jak ovlivňuje poloměr zaoblení průběh a efektivitu celé operace a zda má vliv na životnost nástroje. Těmto problémům se věnován předkládaný příspěvek. (cs)
  • An important phase of the bolt production is a bolt head trimming. It is a very fast, complicated process including material failure. For this reasons explicit solver LS-Dyna was used. In the fist part of this paper the ability of LS-Dyna material modelsto describe the ductile fracture of metals was investigated both with Lagrange and ALE behaviour of the mesh. The results of this testing phase were used to optimize the model of the bolt head trimming. Three geometrical versions were solved and the res sults were compared with a help of the cutting work and the contact force.
  • An important phase of the bolt production is a bolt head trimming. It is a very fast, complicated process including material failure. For this reasons explicit solver LS-Dyna was used. In the fist part of this paper the ability of LS-Dyna material modelsto describe the ductile fracture of metals was investigated both with Lagrange and ALE behaviour of the mesh. The results of this testing phase were used to optimize the model of the bolt head trimming. Three geometrical versions were solved and the res sults were compared with a help of the cutting work and the contact force. (en)
Title
  • Numerical simulation of the bolt head trimming process
  • Numerical simulation of the bolt head trimming process (en)
  • Numerická simulace procesu ořezávání hlav šroubů (cs)
skos:prefLabel
  • Numerical simulation of the bolt head trimming process
  • Numerical simulation of the bolt head trimming process (en)
  • Numerická simulace procesu ořezávání hlav šroubů (cs)
skos:notation
  • RIV/00216305:26210/05:PU51756!RIV06-MSM-26210___
http://linked.open.../vavai/riv/strany
  • 51-59
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(OE135)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 533523
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26210/05:PU51756
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • cold forming, FE simulation, material cutting (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [DAD05396B91F]
http://linked.open...v/mistoKonaniAkce
  • Svratka
http://linked.open...i/riv/mistoVydani
  • Svratka
http://linked.open...i/riv/nazevZdroje
  • Engineering Mechanics 2005
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Bořkovec, Jan
  • Foret, Rudolf
  • Petruška, Jindřich
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • Ústav termomechaniky AV ČR
https://schema.org/isbn
  • 80-85918-93-5
http://localhost/t...ganizacniJednotka
  • 26210
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