Temat: cutting tool - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Non traditional cooling technique using Peltier effect for single point boron carbide (B4C) cutting tool doping with titanium carbide (TiC)
Autorzy:: Sreenivasulu, Reddy
Valeti, Krishna Teja
Powiązania:: https://bibliotekanauki.pl/articles/1819131.pdf
Data publikacji:: 2021
Wydawca:: Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:: peltier cooling effect
thermoelectric module
ANSYS 2020 R2
titanium carbide
solidworks 2020
boron carbide cutting tool
moduł termoelektryczny
ANSYS
węglik tytanu
SolidWorks
węglik boru
narzędzia skrawające
Opis:: A single point cutting tool is modeled out of two different materials having desired thermoelectric properties. The tool material used is Boron Carbide (B4C) doped with different compositions of Titanium Carbide (TiC). In the present work, three different compositions of Titanium Carbide doped on both sides of cutting tool made by Boron carbide. The available combinations of Titanium Carbide (TiC) from the work bench in ANSYS was selected with three cases of 0 & 25.4%, 0% &12.5% and 12.5% & 25.4% on first half and second half of the cutting tool respectively. The simulation process is done in ANSYS 2020 R2 software, thermal-electric module (TEM) is used. From these studies it is evident that considerable cooling effect is achieved and found to be the lowest temperature of 10.93°C is observed for the combination of 0% &25.4%, 18.79°C is observed for the combination of 0& 12.5% and 26.73°C for 12.5% and 25.4% combination at the junction of the tool material which is nearer to the cutting tip respectively. Finally it is concluded that one side of cutting tool without any doping and other side with 25.4% TiC doped showed good results which observed by conducting number of simulations at different levels of iterations for Titanium Carbide doped Boron Carbide cutting tool used in turning operation.
Źródło:: Journal of Mechanical and Energy Engineering; 2021, 5, 1; 31--38
2544-0780
2544-1671
Pojawia się w:: Journal of Mechanical and Energy Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Development of predictive force models for oblique cutting of mild carbon steel (CS1030) incorporating tool flank wear
Autorzy:: Ipilakyaa, Tertsegha
Powiązania:: https://bibliotekanauki.pl/articles/95275.pdf
Data publikacji:: 2019
Wydawca:: Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:: oblique cutting
tool flank wear
machining
cutting force model
skrawanie skośne
zużycie ostrza skrawającego
obróbka skrawaniem
model siły skrawania
Opis:: Predictive force models for oblique metal cutting incorporating tool flank wear was carried out using a CNC lathe machine to turn mild carbon steel CS1030. The developed models are based on the fundamental mechanics of orthogonal cutting process, in which inclination angle is 0°. Workpieces were Cylindrical with wall thickness of 3mm and diameter of 100 mm. Cut thickness levels were 0.1, 0.17, 0.24 and 0.31 mm; cutting speeds were 100, 150 and 200 m/min; tool rake angle levels were -5, 0 and 5°. wearland sizes were selected as 0, 0.2, 0.4, 0.6 mm, where wearland size “0 mm” represents sharp tool. Results of the study indicate that tool flank wear has significant effect on oblique cutting forces. The oblique cutting forces were found to increase linearly with tool flank wear due to rubbing or ploughing forces in the wearland. The results also show that, the measured experimental oblique forces (power force, Fcm thrust force Ftm and rubbing force Frm) agreed with the predicted (power force Fc thrust force Ft, and rubbing force Fr) values under the corresponding cutting conditions. It is evident from the plots that the models give an excellent prediction of the cutting forces during oblique cutting.
Źródło:: Journal of Mechanical and Energy Engineering; 2019, 3, 4; 295-299
2544-0780
2544-1671
Pojawia się w:: Journal of Mechanical and Energy Engineering
Dostawca treści:: Biblioteka Nauki

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