ROLLS LIFELINE OF ROLLING MILLS - IIM

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• SPALLING/CHIPINGROLL DEFECTSSPALLING/CHIPING (mark on the product aswell as poor surface finish) (tearing of rolledproduct during rolling)• BANDING/PEELINGBANDING/PEELING (harmful for strip rolling,lead to rolled in scale along with roll).
ROLL DEFECTS• HARD AND S<strong>OF</strong>T SPOT (Harmfulparticularly during structural/sectionalrolling. These defects will lead to poordimensional accuracy as well as mark onthe product)Castingdefect like blowholes/pinholes/inclusions will lead tomark on the rolled product.)• ROLL CASTING DEFECT (Casting
Page 1: ROLLSLIFELINE OF ROLLING MILLSGiree
Page 4 and 5: These are produced fromRolling Mill
Page 6 and 7: Rolling - a processWhere in metal i
Page 9 and 10: ROLLS•FUNCTIONS•EXECUTE- SPECIF
Page 11 and 12: FAILURE•ROLL FAILURE-ECONOMIC DIS
Page 13 and 14: ROLL CLASSIFICATIONBASED ON APPLICA
Page 15: ROLL DEFECTS• HIGH AND NONUNIFORM
Page 19 and 20: • FROMSELECTION CRITEREACONCEPTCO
Page 21 and 22: SELECTION CRITEREA• TYPE OF STAND
Page 23 and 24: ORDERING - SPECIFICATIONS
Page 25 and 26: MONITORING OF ROLL• Good roll coo
Page 27 and 28: ROLL COOLING - 3Hi
Page 29 and 30: LATEST DEVELOPMENTS INROLLS• SOFT

ROLLS LIFELINE OF ROLLING MILLS - IIM

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