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MACHINING OF DUPLEX STEEL IN IMPELLER PRODUCTION (CROSBI ID 573621)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Stoić, Antun ; Kopač, Janez ; Samardžić, Ivan ; Duspara, Miroslav ; Tadijanović, Adam MACHINING OF DUPLEX STEEL IN IMPELLER PRODUCTION // Computer integrated manufacturing and high speed machining / Abele, Eberhard ; Udiljak, Toma ; Ciglar, Damir (ur.). Zagreb: Hrvatska udruga proizvodnog strojarstva (HUPS), 2011. str. 237-240

Podaci o odgovornosti

Stoić, Antun ; Kopač, Janez ; Samardžić, Ivan ; Duspara, Miroslav ; Tadijanović, Adam

engleski

MACHINING OF DUPLEX STEEL IN IMPELLER PRODUCTION

This paper gives an overview of the machining technology applied in impeller production. The complex geometry of the impeller (thin walls combined with interrupt cutting condition) and the tolerance demands make this production challenging. Raw material was casted duplex steel X2CrNiMoN 26 7 4 (W.Nr. 1.4469) with high content of Mo. During the casting process of duplex steel it is necessary to ensure high purity of melts, as well as a small scattering of alloying elements. The problem facing this production was impurity (sand) on the impeller blades. Before the machining, the impurity has to be removed by milling or grinding and after that filled with welding technology. TIG process, with wire thickness of Φ=2.4mm was performed. Before welding it is necessary preheat the material up to 120-150 ˚C.

Impeller; duplex steel; TIG process; milling

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Podaci o prilogu

237-240.

2011.

objavljeno

Podaci o matičnoj publikaciji

Computer integrated manufacturing and high speed machining

Abele, Eberhard ; Udiljak, Toma ; Ciglar, Damir

Zagreb: Hrvatska udruga proizvodnog strojarstva (HUPS)

978-953-7689-01-8

Podaci o skupu

CIM 2011

predavanje

16.06.2011-18.06.2011

Biograd na Moru, Hrvatska

Povezanost rada

Strojarstvo