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Title:Vpliv spremembe dimenzij mostička na razporeditev napetosti v gravuri utopnega orodja za kovanje
Authors:ID Salobir, Andrej (Author)
ID Pahole, Ivan (Mentor) More about this mentor... New window
ID Brajlih, Tomaž (Comentor)
Files:.pdf MAG_Salobir_Andrej_2016.pdf (5,59 MB)
MD5: 0B2C464152B30BE9354432880F633B1D
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:Magistrsko delo prikazuje uporabo računalniških simulacij na področju kovanja v vročem. Na primeru kovanja ojnice, je s pomočjo računalniških simulacij in CAD programske opreme prikazana optimizacija geometrije kovaškega orodja. Izvedene so povezane simulacije procesa kovanja za izhodiščno in optimizirano geometrijo. Za 3D modeliranje je uporabljen programski paket Siemens NX 9.0, za izvedbo simulacij pa programski paket DEFORM 3D. Optimizacija geometrije utopnega orodja vključuje spremembo dimenzij mostička v območju male in velike glave ojnice, kjer se pojavijo najvišje napetosti. Rezultati simulacij kažejo, da smo s spremembo dosegli v povprečju 25% zmanjšanje napetosti v območju spremenjenega pretoka. Sodeč po rezultatih simulacij sklepamo, da bi lahko tovrsten pristop h konstruiranju utopnega orodja izboljšal obstojnost orodja, vendar bi bilo potrebno to preveriti z izvedbo poskusne serije kovanja s takšnim orodjem.
Keywords:kovanje, kovanje v vročem, orodjarstvo, proizvodne tehnologije
Place of publishing:Maribor
Publisher:[A. Salobir]
Year of publishing:2016
PID:20.500.12556/DKUM-60416 New window
UDC:004.946.:621.73(043.2)
COBISS.SI-ID:19895062 New window
NUK URN:URN:SI:UM:DK:PRSFCWUJ
Publication date in DKUM:01.07.2016
Views:1499
Downloads:184
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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Secondary language

Language:English
Title:Impact of flash land dimensions on die stress distribution in impression die forging tool
Abstract:Master's thesis shows the use of computer simulations in the field of hot forging. On the case of forging the connecting rod, with the help of computer simulation and CAD software the geometry optimization of forging tool is shown. Coupled simulation of the forging process for baseline and optimized geometry are performed . For 3D modeling Siemens NX 9.0 software package is used and to carry out simulations DEFORM 3D software package is used. Optimization of forging die geometry involves a change of flash land dimensinos in the range of small and large head of connecting rod, where the highest stress occurs. The simulation results show that the change in stress achieve an average of 25% reduction in the region of the modified flash land. Judging by the results of the simulations we can conclude that this approach for forging tool design could improve tool life, but it would be necessary to verify that with the execution of the test series in forging with such a tool.
Keywords:forging, hot forging, toolmaking, production technologies


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