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Wyszukujesz frazę "furan sand dry" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Synergy of practical knowledge of molding sands reclamation in heavy casting foundry of iron alloys
Autorzy:
Ignaszak, Z.
Prunier, J. B.
Powiązania:
https://bibliotekanauki.pl/articles/379704.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
furan molding sand
dry mechanical reclamation
iron alloy foundry
heavy casting
lifetime
furan sand
thermo mechanical database
masa formierska furanowa
sucha regeneracja mechaniczna
stop żelaza
odlew ciężki
trwałość
baza danych termomechaniczna
Opis:
The paper summarizes research realized by the author in laboratory and industrial conditions (foundries of cast steel and cast iron, castings up to 50 tons) on the effects of the chemically hardened molding sands regeneration using hard/soft rubbing in the dry reclamation. A reference was simultaneously made to advisability of application of the thermal regeneration in conditions, where chromite amount in the circulating (reclaimed) molding sand goes as high as above ten percent. An advisability of connecting standard and specialized methods of examination of the reclaimed sands and molding sands made using it was pointed out. A way of application of studies with the Hot Distortion Plus® method modified by the author for validation of modeling of the thermo-dynamic phenomena in the mold was shown.
Źródło:
Archives of Foundry Engineering; 2013, 13, 3; 30-36
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effective Laboratory Method of Chromite Content Estimation in Reclaimed Sands
Autorzy:
Ignaszak, Z.
Prunier, J. B.
Powiązania:
https://bibliotekanauki.pl/articles/380085.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
chromite sand
magnetic recuperation
neodymium magnets
furan sand dry
reclamation
ferrous alloys
heavy castings
Opis:
The paper presents an original method of measuring the actual chromite content in the circulating moulding sand of foundry. This type of material is applied for production of moulds. This is the case of foundry which most frequently perform heavy casting in which for the construction of chemical hardening mould is used, both the quartz sand and chromite sand. After the dry reclamation of used moulding sand, both types of sands are mixed in various ratios resulting that in reclaimed sand silos, the layers of varying content of chromite in mixture are observed. For chromite recuperation from the circulating moulding sand there are applied the appropriate installations equipped with separate elements generating locally strong magnetic field. The knowledge of the current ratio of chromite and quartz sand allows to optimize the settings of installation and control of the separation efficiency. The arduous and time-consuming method of determining the content of chromite using bromoform liquid requires operational powers and precautions during using this toxic liquid. It was developed and tested the new, uncomplicated gravimetric laboratory method using powerful permanent magnets (neodymium). The method is used in the production conditions of casting for current inspection of chromite quantity in used sand in reclamation plant.
Źródło:
Archives of Foundry Engineering; 2016, 16, 3; 162-166
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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