FIELD: rolled stock production, possibly preparation of damaged rolling or backup roll to cold rolling.
SUBSTANCE: method comprises steps of mechanically taking off damaged layer of roll barrel and further shot hatching of; after occurring on rolling roll such flaw as build-up, realizing additional operations for taking off damaged layer by thickness 0.8 -1.2 mm; shot hatching and visually inspecting roll; repeating additional operations until complete removal of dark spot.
EFFECT: elimination of roll barrel crumbling out after occurring build-up type flaw of roll.
1 tbl, 1 ex
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RU2492948C1 |
OPERATION METHOD OF BACKUP ROLL OF FOUR-HIGH SHEET ROLLING STAND | 2001 |
|
RU2203152C1 |
METHOD OF SURFACE STATE ESTIMATE OF WORKING ROLL | 2007 |
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RU2360752C2 |
Authors
Dates
2004-11-20—Published
2002-11-12—Filed