izpis_h1_title_alt

Optimizacija parametrov frezanja plastičnih mas za zmanjšanje deformacij po obdelavi
ID Kuralt, Jure (Author), ID Kramar, Davorin (Mentor) More about this mentor... This link opens in a new window

.pdfPDF - Presentation file, Download (3,14 MB)
MD5: B926B1B16FFDC7702EA0CED3B5978056

Abstract
Pri odrezavanju plastičnih mas prihaja do deformacij obdelovancev po obdelavi. Do tega prihaja zaradi slabe toplotne prevodnosti plastičnih mas, ki povzročijo veliko hitrejše ohlajanje površine po obdelavi v primerjavi z notranjimi deli obdelovanca. Posledično pride do zaostalih napetosti, ki povzročajo ukrivljanje kosov po obdelavi. Z metodo načrtovanja eksperimentov se je v nalogi optimiziralo parametre frezanja za čim manjše ukrivljanje kosov po obdelavi, obenem pa še čim krajši čas obdelave. Ugotovljeno je bilo, da imata največji vpliv na ukrivljanje podajanje in globina reza, nekoliko manjši vpliv pa vrtljaji vretena. Z bolj blagimi parametri kot se obdeluje (majhno podajanje in majhna globina reza), manjše bodo deformacije kosov po obdelavi.

Language:Slovenian
Keywords:frezanje, plastične mase, deformacija obdelovancev, metoda načrtovanja eksperimentov, optimizacija
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Place of publishing:Ljubljana
Publisher:[J. Kuralt]
Year:2019
Number of pages:XXI, 62 str.
PID:20.500.12556/RUL-107887 This link opens in a new window
UDC:621.914:678(043.2)
COBISS.SI-ID:16657179 This link opens in a new window
Publication date in RUL:02.06.2019
Views:1339
Downloads:226
Metadata:XML RDF-CHPDL DC-XML DC-RDF
:
Copy citation
Share:Bookmark and Share

Secondary language

Language:English
Title:Optimizing the parameters of milling plastics to reduce deformation after machining
Abstract:
When cutting plastics, workpieces are deformed after machining. This is due to the poor thermal conductivity of plastics, which results in a much faster cooling of the surface after processing than the internal parts of the workpiece. Consequently, there are residual stresses that cause bending of workpieces after processing. With the Design of Experiments method, the milling parameters were optimized in order to minimize bending of workpieces after processing, while at the same time minimizing the processing time. It has been found that the greatest impact on bending has feed rate and depth of the cut, while a slightly lower impact has spindle speed. If cutting is done less intensively (small feed rate and a small depth of the cut), the deformation of the pieces after processing will be reduced.

Keywords:milling, plastics, workpieces deformation, experiments design, optimization

Similar documents

Similar works from RUL:
Similar works from other Slovenian collections:

Back