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SIGNIFICANCE OF OCTAVE -ANAYSIS

SIGNIFICANCE OF OCTAVE -ANAYSIS

SIGNIFICANCE OF OCTAVE -ANAYSIS

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

RE: SIGNIFICANCE OF OCTAVE -ANAYSIS

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

C. Hugh (www.Hatch.ca)

RE: SIGNIFICANCE OF OCTAVE -ANAYSIS

(OP)
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)

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