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    Wyświetlanie 1-4 z 4
    Tytuł:
    Surface quality assessment following high performance cutting of AZ91HP magnesium alloy
    Autorzy:
    Gziut, O.
    Kuczmaszewski, J.
    Zagórski, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/407125.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    machining
    magnesium alloys
    roughness parameters
    manufacturing processes
    HSM
    HPC
    Opis:
    The article presents test results of surface roughness after AZ91HP magnesium alloy machining with variable technological parameters (vc, fz, ap) as well as tool geometry (γ= 5◦ and γ = 30◦). Two carbide end mills were applied during the tests. Roughness analysis was conveyed at the end face (Ra, Rq, RzDIN, Rt, Ry, RSm) and lateral face (Ra, Rz, RSm) of the tested sample. A decrease of roughness parameters (for increasing vc) as well as an increase (with growing fz) was observed in the lateral face tests. Similar interrelations were noticed for end face of the sample. Lower roughness parameters values were recorded for tool rake angle equal to γ = 5◦.
    Źródło:
    Management and Production Engineering Review; 2015, 6, 1; 4-9
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thermographic study of chip temperature in high-speed dry milling magnesium alloys
    Autorzy:
    Kuczmaszewski, J.
    Zagórski, I.
    Zgórniak, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/406699.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    machining
    magnesium alloys
    manufacturing processes
    high efficiency
    temperature
    cutting area
    infrared camera
    Opis:
    This paper presents an overview of the state of knowledge on temperature measurement in the cutting area during magnesium alloy milling. Additionally, results of own research on chip temperature measurement during dry milling of magnesium alloys are included. Tested magnesium alloys are frequently used for manufacturing elements applied in the aerospace industry. The impact of technological parameters on the maximum chip temperature during milling is also analysed. This study is relevant due to the risk of chip ignition during the machining process.
    Źródło:
    Management and Production Engineering Review; 2016, 7, 2; 86-92
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Methodological aspects of qualitative-quantitative analysis of decision-making processes
    Autorzy:
    Gawlik, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/406734.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    qualitative-quantitative analysis
    hierarchical decision-making
    neural-network models
    management
    manufacturing processes
    Opis:
    The paper aims at recognizing the possibilities and perspectives of application of qualitativequantitative research methodology in the field of economics, with a special focus on production engineering management processes. The main goal of the research is to define the methods that would extend the research apparatus of economists and managers by tools that allow the inclusion of qualitative determinants into quantitative analysis. Such approach is justified by qualitative character of many determinants of economic occurrences. At the same time quantitative approach seems to be predominant in production engineering management, although methods of transposition of qualitative decision criteria can be found in literature. Nevertheless, international economics and management could profit from a mixed methodology, incorporating both types of determinants into joint decision-making models. The research methodology consists of literature review and own analysis of applicability of mixed qualitative-quantitative methods for managerial decision-making. The expected outcome of the research is to find which methods should be applied to include qualitativequantitative analysis into multicriteria decision-making models in the fields of economics, with a special regard to production engineering management.
    Źródło:
    Management and Production Engineering Review; 2016, 7, 2; 3-11
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The role of manufacturing techniques in enterprises producing heating devices in the context of sustainable development
    Autorzy:
    Kluczek, A.
    Włosiński, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/407083.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    manufacturing techniques
    sustainable development
    welding
    cleaning
    painting processes
    heating devices
    environmental impact
    life cycle assessment (LCA)
    LCA
    Opis:
    Manufacturing techniques are concerned with quality, cost, productivity and sustainability. With today's environmental awareness and the pressure of the sustainability requirements, existing manufacturing techniques of heating devices are evolving into the redesign manufacturing unit processes to increase overall sustainability. Also, these techniques need a measurement method to assess processes-related sustainability performance indicators. The purpose of this paper is to stress the role of manufacturing techniques: welding, cleaning and painting in the manufacture of heating appliances (solid fuel fired boilers used renewable energy sources) in terms of incorporating into the field the concept of sustainable development. It then focuses on the environmental, technical, economical and social impact of sustainable technologies and argues for the need to ensure that the concept is being applied to the manufacture of heating devices. In this paper, author tries to propose a unified, standard scientific factory-level methodology to evaluate the influence of manufacturing techniques on the sustainability of enterprises producing heating devices. The proposed methodology in the terms of the case study is a comprehensive answer to the question of to what extent the improvements in those techniques influence the sustainable development of the enterprises. An industrial case study demonstrates that the proposed improvements can effectively influence the sustainability of enterprise. The results of this assessment can be applied to broad industry sectors, and can lead to the accepted measures and practices.
    Źródło:
    Management and Production Engineering Review; 2013, 4, 1; 30-38
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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