zaključna naloga Univerzitetnega študijskega programa I. stopnje Strojništvo - Razvojno raziskovalni program
Abstract
Zaradi prehitrega potovanja taline ob tlačnem litju, se na odlitku pojavi defekt imenovan dvoplastnost. Za upočasnitev hitrosti potovanja taline bi gravure hrapavljali oziroma naredili hrapave. S primerjavo različnih metod hrapavljenja sem izbral obdelavo z laserskim žarkom, ki se je izkazala za najbolj optimalno. S testnim litjem smo dokazali vpliv hrapavljenja gravurnih oblik na zmanjšanje dvoplastnosti na odlitku, na preizkuševališču z laserjem pa sem določil optimalne parametre laserske obdelave vzorcev za doseganje hrapavosti Rz 45 in izdelal možno obliko za nadaljnje hrapavljenje gravurnih oblik. Dodatno sem izdelal CAD model za uporabo na 3D laserskem sistemu.
Keywords
diplomske naloge;tlačna litja;hrapavljenja;gravurne oblike;dvoplastnosti;laserske obdelave;modeliranja;
Data
Language: |
Slovenian |
Year of publishing: |
2021 |
Typology: |
2.11 - Undergraduate Thesis |
Organization: |
UL FS - Faculty of Mechanical Engineering |
Publisher: |
[L. Krek] |
UDC: |
621.746.019.621.9.048.7(043.2) |
COBISS: |
83105795
|
Views: |
487 |
Downloads: |
5 |
Average score: |
0 (0 votes) |
Metadata: |
|
Other data
Secondary language: |
English |
Secondary title: |
Influence of making engraving shapes rough with laser on the reduction of delamination on final cast |
Secondary abstract: |
Due to the rapid travel of the melt during die casting, a defect called delamination occurs on the casting. To reduce the speed of traveling of the melt, the engravings would be roughened. By comparing different roughing methods, I chose the laser beam treatment that proved to be the most optimal. With test casting, we proved the influence of roughness of engraving shapes on the reduction of delamination on the casting, and at the laser test site I determined the optimal parameters of laser processing of samples for roughness Rz 45 and made a possible shape for future roughing of engraving shapes. In addition I made a CAD model for a 3D laser system. |
Secondary keywords: |
thesis;die castings;roughenings;engraving shapes;delaminations;laser treatments;modelings; |
Type (COBISS): |
Final paper |
Study programme: |
0 |
Embargo end date (OpenAIRE): |
2023-09-10 |
Thesis comment: |
Univ. v Ljubljani, Fak. za strojništvo |
Pages: |
XII, 36 f. |
ID: |
13418676 |