SIGNIFICANCE OF OCTAVE -ANAYSIS

[kashyap]

How the nature of deflection of rollers in rolling mills is figured, knowing the octave band(i.e, 3rd, 5th etc.) and vice-versa.

 

[Hatch]

I don't understand your question. Are you asking in reference to roll chatter or roll shape deflections? C. Hugh (

http://www.Hatch.ca)

 

[kashyap]

Hatch,
this is concerned with the roll shape deflections occuring due to roll chatter.To elucidate further, the text matter reads as follows:

The fig.(referring to modal deformation of mill with strip) seems to correspond to fifth-octave-mode of chatter on sheet mills.

After going through this text material* i got the above question.

*Flat processing of steels ------- William Roberts (pg. 597)