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Wyświetlanie 1-2 z 2
Tytuł:
The effect of parameters and geometry cutting edge after turning of the duplex cast steel on the maximum tool flank wear
Autorzy:
Dyl, Tomasz Cyryl
Powiązania:
https://bibliotekanauki.pl/articles/246568.pdf
Data publikacji:
2019
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
turning
surface roughness
duplex cast steel
cutting edge
flank wear
Opis:
It is important to shape the required properties of the surface layer in the technological process. This issue is an important problem due to the ability of the kinematic pair elements to the required reliable operation of machine parts. The latest generation devices work with increasing operational loads. This forces the search forever-newer construction materials or innovative manufacturing engineering technologies that would ensure high reliability and durability of machine components. For mechanical engineering, continue to be used on steel structures of machine parts. In the petrochemical and shipbuilding industry, stainless steels are very poplars. Those materials are used in the constructions of seawater and acid installations. Currently, a newer material with more favourable properties is two-phase stainless steel. This is the so-called duplex steel. It can be applied to pump shafts in acid or seawater solutions. Duplex cast steel is a difficult-to-cut material. It is important to determine the effect of cutting parameters on the surface quality of the shafts and wear of cutting edge. Traditional methods of finishing surface treatment of shafts are machining (turning, grinding, superfinishing). Considering the possibilities of equipping a marine power plant workshop, it would be best to use machining by turning. The paper specifies the relationship between the wear of the cutting edge and the geometrical structure of the machined surface as well as the type of tool material used and the shape of the cutting inserts.
Źródło:
Journal of KONES; 2019, 26, 2; 29-35
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling of contact geometry of tool and workpiece in grinding process with crossed axes of the tool and workpiece with circular profile
Autorzy:
Kalchenko, Volodimyr
Yeroshenko, Andrij
Boyko, Sergiy
Kalchenko, Olga
Powiązania:
https://bibliotekanauki.pl/articles/1837951.pdf
Data publikacji:
2021
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
circular arc
grinding
equidistant curves
cutting edge
abrasive surface
abrasive materials
crossed axes
abrasive wheel
heat stress
grinding performance
Opis:
A general model is developed, and on its basis, there are special models formulated of the grinding process with crossed axes of the tool and workpiece with a profile in the form of a circle arc. A new method of control of the grinding process is proposed, which will provide processing by equidistant curves, and the amount of cutting of a circle equal to the allowance. This will increase the productivity and quality of grinding. The presented method of grinding implements the processing with the spatial contact line of the tool and workpiece. When the axes are crossed, the contact line is stretched, which leads to an increase of the contact area and, accordingly, to a decrease of the temperature in the processing area. This allows processing of workpieces with more productive cutting conditions.
Źródło:
Acta Mechanica et Automatica; 2021, 15, 1; 9-15
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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