CRSM size calculation formula
We are running ABB Coiled Rolling Mill(CRSM). Please let us know what is the formulae of calculating timing of each gage (standard)? and what is the formula for the difference calculation between two gage/size like following:
Entry Thickness 2.00 Product thickness 0.25 width (mm) 914 and Entry Thickness 2.00 Product thickness 0.30 width (mm) 914
Muhammad Ali Awan
I beleive you are asking about the rolling pass schedule calculation in cold rolling mill.
In general ABB supply a mathematical model for calculating the rolling pass schedule for start thickness to final thickness. There are few inputs are given by operator like how many passes are needed etc. The mathematical model has all mill information like, maximum mill speed, maximum roll force, maximum tension etc. Based on these parameters mathematical model has an algorithm to generate the pass schedule to ensure that none of process parameters are exceeding mill maximum limit.
If you need any specific answer for your plant, please let me know the
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