20.500.12556/RUL-158783 Kakovost obdelave površine pri klasičnem struženju in struženju z gnanim orodjem diplomsko delo - univerzitetni študij The wood surface quality in the conventional turning and in the driven-tool turning graduation thesis - university studies V diplomski nalogi smo ugotavljali hrapavost novonastale površine pri dveh načinih struženja lesa. Prvi način je klasično struženje, kjer se obdelovanec vrti z visoko vrtilno hitrostjo, rezilo pa se pomika vzdolž obdelovanca in je stalno v stiku z obdelovancem. Drugi način struženja pa je struženje z gnanim orodjem. Pri tem načinu je vrtilna hitrost obdelovanca bistveno počasnejša kot pri klasičnem struženju, orodje pa se z veliko vrtilno hitrostjo počasi pomika vzdolž obdelovanca. Za ta način smo izdelali posebno rezalno orodje. Pri obeh načinih obdelave smo imeli enako obliko osnovnega rezila z velikim prsnim kotom. Poizkuse smo izvajali na vzorcih štirih različnih drevesnih vrst, in sicer na bukovini, hrastovini, javorovini ter jesenovini. Kakovost površine smo nadzorovali z dvema merilnikoma hrapavosti, ki podajata različne parametre izmerjene površine. Ugotovili smo, da je sama površina pri struženju z gnanim orodjem boljša od površine, pridobljene s klasičnim struženjem, vendar dobimo pri tem načinu struženja na površini nezaželene valove. The aim of the thesis was to establish the roughness of wood surface in two different ways of wood turning; the conventional and the driven-tool turning. The processed object in the conventional turning rotates with high rotational speed while the blade moves along the object with which it is constantly in contact. On the other hand, the rotational speed of the processed object in the driven-tool turning is essentially lower. Also, the tool moves slowly along the processed object but with high rotational speed. For this way of turning (i.e. the driven-tool turning), a special cutting tool was made. The same wide tool rake angle was used for both ways of processing. The experiments were carried out on four different tree samples: beech, oak, maple and ash wood. The surface quality was supervised with two roughness measuring instruments which show different parameters of the measured surface. The experiments showed that the surface in the driven-tool turning is of better quality than the surface in the conventional turning, but some unwanted waves on the surface can be noticed. les struženje kakovost površine tehnološki parametri obdelave wood turning surface quality technological parameters of processing true false false S. Jereb Slovenski jezik Angleški jezik Diplomsko delo 2024-06-20 12:42:34 2024-06-20 12:42:38 2024-07-04 03:46:54 0000-00-00 00:00:00 2016 0 Ljubljana 2016 Ljubljana IX, 40 f., [4] f. pril. 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 630*823.5 2651529 UNI_Jereb_Samo_2016.pdf UNI_Jereb_Samo_2016.pdf 1 62E63D66BE466F8FEC8654C488ECC7E4 59423a94c736ebc64de51471b5acdd87b67fffed59337526d6b703b54f62570b d06ea3e6-2ef1-11ef-a73e-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=186503 Biotehniška fakulteta 0 0 0