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    Wyświetlanie 1-5 z 5
    Tytuł:
    Effect of brushing parameters upon edge states after wire brushing of AZ91 HP magnesium alloy
    Autorzy:
    Matuszak, J.
    Zaleski, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/102334.pdf
    Data publikacji:
    2013
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    edge state
    wire brushing
    magnesium alloy
    Opis:
    When the tool leaves the part during machining operations, burrs can form as a result of material plastic flow. Wire brushing is one of burr removing methods. Low cost of brushes which can be mounted in a milling center gives the perspective of developing this method. The article was aimed at presenting the results of brushing process upon edge radius after wire brushing of AZ91HP magnesium alloy. Three kinds of brushes were tested with different types of fibers and the diameter of a single fiber. Brass and steel brushes were used.
    Źródło:
    Advances in Science and Technology. Research Journal; 2013, 7, 20; 55-60
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of machining conditions on the forces in the process of roller brush machining
    Autorzy:
    Matuszak, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/102899.pdf
    Data publikacji:
    2017
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    brushing
    machining conditions
    radial force
    cutting force
    Opis:
    Because of its advantages, brushing processing has many uses. The main ones include the removal of corrosion products, surface cleaning, deburring and shaping the properties of the surface layer. The intensity of these processes depends on the degree of impact of brush fibres on the work surface. In the case of tools, in which the resilient fibres are the working elements, forces in the brushing process, apart from the machining parameters, depend on the characteristics and overall dimensions of individual fibres. The paper presents the results of studies of the influence of technological parameters and type of fibres on the radial force in the brushing process.
    Źródło:
    Advances in Science and Technology. Research Journal; 2017, 11, 4; 294-300
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of Ceramic Brush Treatment on the Surface Quality and Edge Condition of Aluminium Alloy after Abrasive Waterjet Machining
    Autorzy:
    Matuszak, Jakub
    Powiązania:
    https://bibliotekanauki.pl/articles/2023313.pdf
    Data publikacji:
    2021
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    surface roughness
    AWJM
    brushing
    deburring
    Opis:
    Material separation is one of the basic technological operations. Abrasive water jet machining (AWJM) is a universal cutting method; it is used for almost all structural materials, ranging from easy-to-cut materials such as aluminium alloys to materials that are difficult-to-cut after thermal treatment. In terms of assembly accuracy and product safety, surface quality and edge condition after cutting are of vital importance. Machining with ceramic brushes mounted on the machining centre is one of the methods for improving surface quality and removing burrs after AWJM. The aim of this study is to analyse the influence of machining conditions with ceramic brushes on the surface quality and effectiveness of deburring after abrasive water jet machining of EN AW-7075 aluminium alloy. For all tested brushing treatment conditions lower roughness parameters were obtained compared to the base surface after AWJM. A positive deburring effect was achieved for all fibre types after one brush pass. For the brush with the lowest stiffness fibres a rounded edge was obtained, while for the fibres with higher stiffness – the edges were chamfered.
    Źródło:
    Advances in Science and Technology. Research Journal; 2021, 15, 3; 254-263
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative Analysis of the Effect of Machining with Wire and Ceramic Brushes on Selected Properties of the Surface Layer of EN AW-7075 Aluminium Alloy
    Autorzy:
    Matuszak, Jakub
    Powiązania:
    https://bibliotekanauki.pl/articles/2172356.pdf
    Data publikacji:
    2022
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    surface roughness
    microhardness
    wire brushing
    ceramic brushes
    Opis:
    In the cutting process, when the cutting edge leaves the material, burrs are often formed on the edges of the workpiece. Due to inconveniences associated with burrs, such as problems with properly fixing the workpiece on the machine for further processing or problems with parts working in assemblies, deburring operations must be performed. In addition to that, burrs may pose danger for workers at the production stage and for customers at the stage of using the finished product. One of the popular deburring methods is brushing. Apart from deburring, brushing can be used to change surface layer properties. The aim of this study is a comparative analysis of the effect of machining with wire and ceramic brushes on microhardness and the surface quality of EN AW-7075 aluminium alloy. Results show that, for all defined brushing conditions, lower surface roughness parameters are obtained when using ceramic brushes rather than wire brushes. In contrast, the use of wire brushes leads to increased microhardness of the surface layer.
    Źródło:
    Advances in Science and Technology. Research Journal; 2022, 16, 2; 50--56
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Effect of Brushing on Residual Stress and Surface Roughness of EN AW-2024-T3 Aluminum Alloy Joints Welded Using the FSW Method
    Autorzy:
    Bucior, Magdalena
    Kluz, Rafał
    Kubit, Andrzej
    Ochał, Kamil
    Powiązania:
    https://bibliotekanauki.pl/articles/2201870.pdf
    Data publikacji:
    2023
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    brushing
    aluminum alloy
    friction stir welding
    FSW
    surface roughness
    residual stress
    Opis:
    This article presents the influence of the brushing process on residual stress and surface roughness of EN AW-2024-T3 aluminum alloy joints welded using the Friction Stir Welding (FSW) method. Butt joints with thicknesses of 2 mm were brushing with using ceramic brush. The aim of the study was to find optimal parameters of the brushing process, which would significantly improve the functional properties of welded joints. The experiments were carried out in two steps. In the first stage of the research, the feed rate was changed in the range f = 40 ÷ 120 mm / min with a constant brushing depth d = 0.5 mm. The roughness decreased from Sa = 5.285 µm for the specimen after welding to Sa = 2.460 µm for the f = 120 mm/min and d = 0.5 mm. The change in the parameters of the brushing process did not have a significant impact on the state of residual stresses. Hence, in the second step, the brushing depth was increased in steps of 0.1 mm. The best properties were obtained for f = 120 mm / min and d = 0.6 mm (variant 6A), where roughness was Sa = 0.443 µm and compressive stresses σ = -118 MPa.
    Źródło:
    Advances in Science and Technology. Research Journal; 2023, 17, 1; 86--93
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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