OPERATION METHOD OF BEARING ROLLS OF MILLS OF QUARTO COLD ROLLING Russian patent published in 2009 - IPC B21B28/02 

Abstract RU 2376088 C2

FIELD: metallurgy.

SUBSTANCE: method includes reiterative alternation of operation of bearing rolls in mill with regrind at regulated value of skinning. Excluding of appearance of crumble out and destruction of rolls is provided ensured by that operation of rolls in mill is implemented up to achievement by them of (8.6-22.1)·105 of loading cycles at linear load 0.3-1.4 t/mm. At operation of bearing rollers in pinch-pass mill, operation in mill is implemented up to achievement by it of (14.2-18.8)·105 of loading cycles. Furthermore, value of skinning for regrinding is installed in the range 0.4-1.5 mm.

EFFECT: invention provides for reduction of discharge coefficient of rollers, increasing of productivity of rolling mill and quality of cold-rolled strips.

3 cl, 1 tbl, 2 ex

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RU 2 376 088 C2

Authors

Nemtinov Aleksandr Anatol'Evich

Artjushechkin Aleksandr Viktorovich

Veselkov Grigorij Valentinovich

Evtukh Sergej Leonidovich

Gorelik Pavel Borisovich

Chikinova Ol'Ga Evgen'Evna

Trajno Aleksandr Ivanovich

Dates

2009-12-20Published

2008-01-18Filed