Rautaruukki Oy

Matti Maenpaa

Seppo Pirinen

Pertti Jokipalo

Kauko Henttinen

Teuvo Lehtoluoma

Aimo Saren

The invention relates to a method for the replacing of working rolls in a rolling mill, wherein there is used a swiveling roll-replacement car which runs adjacent to the working rolls of the rolling mill, on a track parallel to the roll track, and can be aligned with the roll or the roll pair to be replaced. The transfer of the working-roll pair or the working roll from the roll stand to the roll-replacement car and the transfer of a new working-roll pair or working roll from the storage rack to the roll-replacement car take place simultaneously, and the positions of these working-roll pairs or respectively working rolls are interchanged, whereafter there are simultaneously transferred the said new working-roll pair or working roll to the rolling mill and the said old working-roll pair or respectively working roll into the storage rack.

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Hameenlinna, Finland

Matti Maenpaa