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Title:STABILIZACIJA PROCESA GLOBOKEGA VLEKA Z OBVLADOVANJEM PRIDRŽEVANJA PLOČEVINE
Authors:Volk, Mihael (Author)
Dolšak, Bojan (Mentor) More about this mentor... New window
Nardin, Blaž (Co-mentor)
Files:.pdf DR_Volk_Mihael_2013.pdf (5,45 MB)
 
Language:Slovenian
Work type:Dissertation (m)
Typology:2.08 - Doctoral Dissertation
Organization:FS - Faculty of Mechanical Engineering
Abstract:Procesi preoblikovanja pločevine so že sami po sebi zelo kompleksni in predstavljajo ogromno izzivov tako orodjarjem pri načrtovanju preoblikovalnega orodja, kot tudi podjetjem, ki se ukvarjajo s proizvodnjo pločevinastih izdelkov. V zadnjem času pa so zahteve po izdelavi vedno bolj kompeksnih geometrijskih oblikah pločevinastih izdelkov, v uporabi pa je tudi vedno več novih materialov, ki imajo boljše mehanske lastnosti, vendar vse to na račun zmanjšanja sposobnosti preoblikovanja. Proces preoblikovanja je zato postal zahtevnejši, tehnološka okna pa zelo ozka. V doktorskem delu smo stabilizirali proces globokega vleka, ki je eden od najzahtevnejših proces preoblikovanja pločevine. V ta namen smo razvili pridrževalni sistem s segmentnimi vstavki, s katerimi smo povečali tehnološko okno in s tem povečali stabilnost procesa. Prav tako smo razvili sistem določevanja kakovosti vlečenih izdelkov, ki temelji na nadzoru toka materiala v orodje, razvili pa smo tudi optimizacijski sistem. Vsi sistemi skupaj sestavljajo sistem za optimizacijo proizvodnje pločevinastih izdelkov. V zadnji fazi smo vse sisteme verificirali tudi na primeru iz industrije. Rezultati so pokazali bistveno izboljšanje kakovosti vlečenih izdelkov, manj slabe kakovosti ter višjo stabilnost procesa preoblikovanja.
Keywords:Preoblikovanje pločevine, globoki vlek, MKE simulacije, optimizacija, pridrževanje pločevine
Year of publishing:2013
Publisher:M. Volk]
Source:[Maribor
UDC:621.983.3-048.34(043.3)
COBISS_ID:270859008 Link is opened in a new window
NUK URN:URN:SI:UM:DK:EY1FUKXD
Views:1504
Downloads:318
Metadata:XML RDF-CHPDL DC-XML DC-RDF
Categories:KTFMB - FS
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Secondary language

Language:English
Title:STABILIZATION OF THE DEEP DRAWING PROCESS WITH SHEET METAL HOLDING CONTROL
Abstract:Sheet metal forming processes are very complicated processes and both, toolmakers which are designing the tools and companies which are producing sheet metal parts have a lot of problems. Last few years demands even increased and in use are also new materials with better material characteristics but with less forming capabilities. Process therefore becomes very complex and technological window very narrow. In the thesis increasing of the stability of the deep drawing process which is one of the most challenging forming processes was done. For this purpose the holding system with segment’s inserts was developed with which the technological window and stability were increased. Beside that the system for quality control based on material flow control and optimization system was developed. All systems together are composing the system for optimization of the production sheet metal parts. In the last phase the systems were verificated on the industrial example. The results shown significant improvement in quality of deep drawing parts, less bad quality and higher stability of the forming process.
Keywords:Sheet metal forming, deep drawing, FEM simulations, optimization, sheet metal holding


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