Autor: Pieśko, P. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Usefulness of Modal Analysis for Evaluation of Milling Process Stability
Autorzy:: Pieśko, P.
Zawada-Michałowska, M.
Powiązania:: https://bibliotekanauki.pl/articles/117876.pdf
Data publikacji:: 2017
Wydawca:: Polskie Towarzystwo Promocji Wiedzy
Tematy:: modal analysis
stability
milling process
surface roughness
Opis:: The paper presents evaluation of modal analysis usefulness for deter-mination of milling process stability. In the first phase of the study experi-mental modal analysis was performed and using CutPro 9.5 software, stability lobes were generated. In the next step, machining tests were carried out. The last stage of the experiment involved verification of modal analysis usefulness for evaluation of milling process stability based on sur-face roughness measurements. Conducted research allowed to state that modal analysis can be a useful tool for determining milling process stability.
Źródło:: Applied Computer Science; 2017, 13, 1; 75-84
1895-3735
Pojawia się w:: Applied Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Ocena testu QC10 do kontroli off-line obrabiarek sterowanych numerycznie CNC
Evaluation of QC10 ballbar diagnostics method for CNC machine
Autorzy:: Józwik, J.
Pieśko, P.
Krajewski, G.
Powiązania:: https://bibliotekanauki.pl/articles/300775.pdf
Data publikacji:: 2010
Wydawca:: Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:: obrabiarka CNC
dokładność geometryczna obrabiarki
diagnostyka obrabiarek
odchyłka okrągłości
odchyłka prostopadłości osi
luz zwrotny
błąd nawrotu
kompensacja błędów
CNC machine
geometric accuracy
diagnostic of machine
circularity
squarness error
backlash
reversal spikes
error compensation
Opis:: W pracy przedstawiono wyniki badań diagnostycznych obrabiarki CNC. Dokonano analizy wybranych błędów obrabiarki CNC identyfikowanych za pomocą pręta teleskopowo kulowego. Ocenie jakościowej poddano typowe odchyłki geometryczne, takie jak: odchyłkę okrągłości, odchyłkę prostopadłości osi, odchyłkę okresową. W trakcie pomiarów wyznaczono ponadto błąd nawrotu i luz zwrotny w badanej osi. Wskazano na zalety oraz wady szybkiego testu QC10. Omówiono przyczyny powstawania badanych błędów oraz wskazano podstawowe sposoby ich minimalizacji. Uzyskane wyniki badań przedstawiono w postaci wykresów i tabel.
This paper presents results of CNC machine tool testing. Analyses of error were performed with ballbar method. This method allowed to investigate geometric errors as circularity, squarness, straightness as well as reversal spikes and backlash. Evaluated errors were discussed and compensation procedures were proposed. Obtained results were described in tables and figures.
Źródło:: Eksploatacja i Niezawodność; 2010, 3; 10-20
1507-2711
Pojawia się w:: Eksploatacja i Niezawodność
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: A Comparative Analysis of the Impact of CNC Miller Programming on Machining Effects
Autorzy:: Kuczmaszewski, J.
Pieśko, P.
Zawada-Michałowska, M.
Powiązania:: https://bibliotekanauki.pl/articles/2064953.pdf
Data publikacji:: 2018
Wydawca:: STE GROUP
Tematy:: programming
CAM
CNC machine tool
Opis:: This paper presents a comparison of the impact of the programming methods of a CNC miller on the machining effects. As a part of the study, the test samples were made of the EN AW-2024 aluminium alloy. The CNC machining programs compared were developed with two programming methods: by inputting the CNC machining program directly from the CNC miller's control panel (machine level programming) and in a CAM software environment (CAM programming). The machining effect indicators adopted included: machining time, surface quality, and dimensional deviation of specific geometrical features. A measurement of the machining times revealed than the CAM programming reduced the machining time up to 20% from the machining time of the machine level programming. A conclusion stands valid that CNC machining programs developed in the CAM software environment are more efficient than CNC programming directly with the CNC miller control panel, most likely due to the machining path optimisation in CAM. In addition, given the experimental test results, it was found that smaller machined errors were also obtained for CAM programming. To conclude, the comparative analysis revealed that CAM programming provided better machining results than the machine level programming.
Źródło:: Multidisciplinary Aspects of Production Engineering; 2018, 1, 1; 161--167
2545-2827
Pojawia się w:: Multidisciplinary Aspects of Production Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Surface roughness of thin-walled components made of aluminium alloy EN AW-2024 following different milling strategies
Autorzy:: Kuczmaszewski, J.
Pieśko, P.
Zawada-Michałowska, M.
Powiązania:: https://bibliotekanauki.pl/articles/102470.pdf
Data publikacji:: 2016
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: machining of aluminium alloys
surface roughness
High Speed Cutting
High Performance Cutting
thin-walled components
Opis:: The paper presents an analysis of surface roughness following milling of thin-walled components made of aluminium alloy EN AW-2024, taking into account the three different machining strategies and rolling direction of semi-finished product in the form of a plate combined with the milling feed. The aims of the study were to compare the results of machining using various technologies and show the best of them, providing the smallest roughness of the component following milling, as well as to determine the impact of rolling direction of the plate on the quality of the end surface. Measurement results of surface roughness parameters were provided information about the progress of the machining process.
Źródło:: Advances in Science and Technology. Research Journal; 2016, 10, 30; 150-158
2299-8624
Pojawia się w:: Advances in Science and Technology. Research Journal
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Carbide Milling Cutter Blades Durability during Machining of AL-SI Casting Alloy
Autorzy:: Kuczmaszewski, J.
Pieśko, P.
Zawada-Michałowska, M.
Powiązania:: https://bibliotekanauki.pl/articles/2064916.pdf
Data publikacji:: 2018
Wydawca:: STE GROUP
Tematy:: machining of aluminium alloys
tool coating
tool wear
Opis:: The paper presents results of wear measurements of carbide shank milling cutters during machining of AlSi10Mg casting alloy. The comparison was made between blades wear of milling cutters without protective coating, with TiB2 coating, and with TiAlCN coating. All cutters had identical geometry dedicated to milling of materials of ISO N group. To assess blades wear degree, measurement of two direct indicators, i.e. VBC and VBBmax, and one indirect indicator, i.e. machined surfaces roughness, were used. Received results allowed to determine usefulness of using selected protective coatings in machining of aluminium alloys, especially Al-Si casting alloys.
Źródło:: Multidisciplinary Aspects of Production Engineering; 2018, 1, 1; 169--175
2545-2827
Pojawia się w:: Multidisciplinary Aspects of Production Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Influence of machining strategies and technological history of semi-finished product on the deformation of thin-wall elements after milling
Autorzy:: Zawada-Michałowska, M.
Kuczmaszewski, J.
Pieśko, P.
Łogin, W.
Powiązania:: https://bibliotekanauki.pl/articles/103404.pdf
Data publikacji:: 2017
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: machining strategies
technological history
thin-walled elements
deformation
Opis:: The paper presents an analysis of the influence of machining strategy and the technological history of semi-finished product on the deformation of thin-walled elements made of aluminium alloy EN-AW 2024 after milling. As a part of this research work, five machining strategies are analysed. Additionally, the rolling direction of the plate (longitudinal and transversal) is taken into account as a technological history. During the research, the focus is set on the effects of the machining strategies i.e. HPC, HSM and conventional machining as well as their combinations on the post-machining stresses and deformations. Each of these strategies has a different range of technological parameters, which results in differences in machining efficiency and introduces post-machining stresses to the surface layer of the workpiece that vary in values and nature (i.e. compressive stresses or tensile stresses). The conducted study shows that larger deformations were obtained for transversal rolling direction in each analyzed case. The lowest deformation both for transversal and longitudinal rolling direction were achieved for the HSM and CM strategy.
Źródło:: Advances in Science and Technology. Research Journal; 2017, 11, 3; 289-296
2299-8624
Pojawia się w:: Advances in Science and Technology. Research Journal
Dostawca treści:: Biblioteka Nauki

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