6 Hi 6 Work rolls - 2;
Back up rolls - 4 ,High speed
4 Hi Work rolls - 2,
Backup rolls -2 Very high speed
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What is 6 hi cold rolling mill?
The diameter of the 6-high work rolls amounts to approximately 1:4 in relation to the barrel length. In comparison to a 4-high mill stand, the utilization range is wider. This type of rolling mill is mainly used in offline applications for cold rolling of soft and medium strip and for a wide range of strip widths.
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What is 6 hi cold rolling mill?
The diameter of the 6-high work rolls amounts to approximately 1:4 in relation to the barrel length. In comparison to a 4-high mill stand, the utilization range is wider. This type of rolling mill is mainly used in offline applications for cold rolling of soft and medium strip and for a wide range of strip widths.
Rolling mill consisting of four rolls or known as a 4 High rolling mill is used for reducing material to extremely small thicknesses. Through the use of larger backup rolls, the issues of roll deflection can be avoided and smaller work rolls can be used.
increase in the roll train, so the roll diameter of the work can be much smaller, and the corresponding rolling force is much smaller. It is more suitable for rolling thinner materials, then the whole rolling The thickness and range of the system will be broader.
There are various reasons by which the damage in the cold rolling mill rolls occurs. The main objective is to highlight those reasons which are responsible for the breakage. The parameters considered during the manufacturing and during the regular use of rolls in cold rolling in the past researches and the effect of these parameters to increase the life of a roll. These are based upon the various factors and summarize the effect of parameters responsible for the deformation concluded by the various researchers in the past history of cold rolling mill. Keywords: Cold Rolling Mill Rolls; Thermal Breakages; Spalling.
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