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Analiza vpliva obrabe orodja na kakovost novonastale površine pri vrtanju lesnih kompozitov : diplomsko delo - visokošolski strokovni študij = Analysis of influence of tool wear on a quality of new made surface in drilling of wood panels : graduation thesis - higher professional studiesCimperman, AndrejPri obdelavi ivernih plošč je značilna zelo nizka življenjska doba orodja. Zagotavljanje visoke kakovosti robu na izstopni strani orodij pri vrtanju skoznjih izvrtin v obložene plošče je zelo ... težavno. V primeru, da so obremenitve pri vrtanju luknje skozi kompozit večje od sile iztrganja površinskega sloja, pride na izstopni strani do delaminizacije kompozita. Obremenitve pri vrtanju so odvisne od tehnoloških parametrov obdelave in sicer: podajalne hitrosti, hitrosti vrtenja orodja, kota konice orodja ter lastnosti obdelovanca. Z obrabo orodja naraščata sila v smeri vrtanja ter moment okoli osi vrtanja. Pri večjih obremenitvah pričakujemo slabšo kakovost novonastalih površin izvrtin; predpostavljamo, da je z meritvijo obremenitve orodja mogoče pred videti kakovost novonastale površine. Na obloženi iverni plošči smo z vrtalnima orodjema izvrtali 3842 oz. 5365 lukenj in z piezodinamometrom izmerili pritisno silo ter določili faktor delaminizacije. Ugotovili smo, da je optimalna velikost delaminizacijskega koeficienta 1, kar znaša pri pritisni sili 60 N; tu še ne pride do delaminizacije površine, nad temi vrednostmi pa so že vidne manjše poškodbe površine. Ocenjujemo, da je vrtanje še smiselno in kakovost površine še sprejemljiva do pritisne sile približno 82N ter delaminizacijskega koeficienta 1,08.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [A. Cimperman], 2015Language - slovenianCOBISS.SI-ID - 2397833
Author
Cimperman, Andrej
Other authors
Gornik Bučar, Dominika |
Gospodarič, Bojan |
Medved, Sergej
Topics
iveral |
razslojevanje |
obraba orodja |
pritisna sila |
delaminizacijski faktor |
particleboard |
delamination |
tool wear |
thrust force |
delamination factor
Library/institution |
City | Acronym | For loan | Other holdings |
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BF, Department of Wood Science and Technology, Lj. | Ljubljana | BFLES |
reading room 1 cop.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Cimperman, Andrej | |
Gornik Bučar, Dominika | 10340 |
Gospodarič, Bojan | 23494 |
Medved, Sergej | 15410 |
Source: Personal bibliographies
and: SICRIS
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