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Lasersko strukturiranje površin orodij
ID Tomšič, Matej (Author), ID Klobčar, Damjan (Mentor) More about this mentor... This link opens in a new window

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Abstract
V avtomobilski in letalski industriji je izredno pomembno čim bolj zmanjšati težo produktov, za zmanjšanje porabe goriva in izpustov v okolje. Kombinacija različnih materialov (kovine – steklena vlakna) dovoljuje znatno zmanjšanje teže izdelkov, vendar se tu pojavijo izzivi s spajanjem materialov. Pri lepljenju različnih materialov med seboj je pomembno zagotoviti ustrezno hrapavost površin z laserskimi pulzi, ki omogočajo večji oprijem lepila in s tem trdnost spoja. Pri suhem odrezovanju z enotočkovnimi orodji, je cilj podaljšati življenjsko dobo orodja in zmanjšati adhezijo odrezkov na orodje. V diplomskem delu je predstavljen pregled literature, v kateri so predstavljeni rezultati za spajanje s tremi postopki (toplotno stiskanje, ultrazvočno spajanje in spajanje z brizganjem). Prav tako je predstavljena tudi primerna oblika gravur za podaljšanje življenjske dobe enotočkovnih rezalnih orodij. Izkazalo se je, da je najbolj primerno spajanje s toplotnim stiskanjem in z brizganjem plastike.

Language:Slovenian
Keywords:graviranje površin, laser, spajanje kompozitov, pulzni laser, superhidrofilna površina, aluminijaste zlitine
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Place of publishing:Ljubljana
Publisher:[M. Tomšič]
Year:2021
Number of pages:[20], 58 str.
PID:20.500.12556/RUL-130054 This link opens in a new window
UDC:621.79:681.94:621.375.826(043.2)
COBISS.SI-ID:78299907 This link opens in a new window
Publication date in RUL:10.09.2021
Views:827
Downloads:95
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Secondary language

Language:English
Title:Laser texturing of tooling surfaces
Abstract:
In the automotive and aviation industries, it is of great importance to minimise the weight of products, to reduce fuel consumption and emissions into the environment. The combination of different materials (metals – glass fibres) allows for a significant reduction in the weight of the products, but here challenges arise with the joining of materials. With adhesion bonding of different materials, it is important to ensure adequate roughness of surfaces preparation with laser pulses that allow for greater adhesion of the glue and thus the strength of the joint. When cutting dry with singlepoint tools, the aim is to extend the life of the tool and reduce the adhesion of the chips on the tool surface. The diploma work provides a literature review, which presents the results for merging with three processes (thermal compression, ultrasonic joining and spraying joining). An appropriate form of engravings for extending the life of one point cutting tools is also presented. It turns out that it is appropriate to merge with thermal compression and by spraying plastic.

Keywords:laser structuring, laser, joining of materials, pulsed laser, superhidrophilic surface, aluminium alloy

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