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Content available Influence of the Trochoidal Tool Path Generation Method on the Milling Process Efficiency
Waszczuk Kamil
Advances in Science and Technology. Research Journal
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2020
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Vol. 14, no 3
199--203
EN
The article presents a comparison of three trochoidal paths: written by G-Code, generated using the overlays from the machine level, and generated using the CAD/CAM environment. The parameters determining the effectiveness of the process were: maximum achievable feed speed, surface roughness and waviness, cutting forces and cutting temperature when milling NC6 steel (50HRC) using a 10 mm cutter dimeter. The main measurement results include: an increase in the maximum feed speed value by almost 35% when using the A and C paths compared to the type B path and nearly a double increase in surface roughness when using the path generated using the CAD/CAM environment compared to the B path. The most important conclusions was that it is not always possible to machine with the recommended parameters by the tool manufacturer, especially when machining narrow grooves. It was proven that that the use of paths with the displacement described by arcs and straight lines as a trochoidal step over reduces the possibility of milling at high feed rate.
2
Content available remote Influence of changes in machinability of nodular cast iron on manufacturing costs
Borkowski Wojciech, Cichosz Piotr, Pudłowski Mateusz, Skowronek Hubert, Waszczuk Kamil
Mechanik
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2019
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R. 92, nr 11
732--735
EN
Attempts to explain changes in the efficiency of nodular cast iron machining caused by the dispersion of its mechanical properties affecting on the intensity of tools wear (such as VHM drills) have been presented. It has been also assessed to what extent changes in mechanical properties of tools, within the limits of the standards, can change the machining efficiency in quite intensive machining conditions of the automotive industry.
PL
Podjęto próbę wyjaśnienia zmian efektywności obróbki żeliwa sferoidalnego; było to spowodowane rozrzutem jego właściwości mechanicznych, odbijającym się na intensywności zużywania się narzędzi (w tym wypadku wierteł z węglików spiekanych). Oceniono, na ile zmiany właściwości mechanicznych narzędzi – mieszczące się w granicach norm – mogą wpływać na efektywność obróbki w dość intensywnych warunkach skrawania w przemyśle motoryzacyjnym.
3
Content available Influence of the Trochoidal Tool Path on Quality Surface of Groove Walls
Waszczuk Kamil, Skowronek Hubert, Karolczak Paweł, Kowalski Maciej, Kołodziej Marek
Advances in Science and Technology. Research Journal
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2019
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Vol. 13, no 3
38--42
EN
The article presents the results of machining materials in hardened state. In the paper, different trochoidal tool paths are compared with each other and with the conventional milling. The results of measurements show the relationship between tool path, roughness and waviness of grooves wall. The paper also presents pictures of grooves which were made. These results provide comparative material useful in the choice of the best milling strategy to the cutting process.
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