Hot Rolling Mill Rolls
02-11-2007, 04:00 PM,
#1
Hot Rolling Mill Rolls
Dear All,
Is there any method by which hot rolling mill rolls can be rehardened after hardened layer is over by wear and regrinding cycles.
Regards
Vijay Deshpade
Reply
02-12-2007, 11:41 AM,
#2
RE: Hot Rolling Mill Rolls
Hi Vijay

I think we will need far more information on your particular roll and the operating conditions to be helpful here.
Reply
02-14-2007, 02:30 PM,
#3
RE: Hot Rolling Mill Rolls
Gordon Wrote:Hi Vijay

I think we will need far more information on your particular roll and the operating conditions to be helpful here.

Dear Gorden,
The MOC of roll is EN 31. Life achieved is about 270 days.
Customer is very keen to reharden this roll to gain more life.
Thanks and Regards
Vijay deshpande
Reply
02-20-2007, 09:33 PM,
#4
RE: Hot Rolling Mill Rolls
Dear V.J. An old farts story (opinion):
Some decades ago the Australians made some tests on rehardening mill rolls. At that time even some positive reports where published.
Anyway, feeling that the load/stress is too much for TS-coatings, mainly because no satisfactory bond can be created on the hardened surface.
br bhe
Reply




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