Apparatus for detecting and reducing bowing of a rotating roll

Details Apparatus for detecting and reducing bowing of a rotating roll Apparatus for detecting and reducing bowing of a rotating roll

C - Chemistry, Metallurgy

03

B

340/136, 49/45

C03B 13/18 (2006.01) B21B 37/28 (2006.01) C03B 13/00 (2006.01) G01B 21/20 (2006.01)

Patent

CA 1057501

ABSTRACT OF THE DISCLOSURE Apparatus for detecting and reducing bowing of a rotating roll used with hot material comprises a proximity sensor mounted adjacent the surface of the roll or of a member attached thereto, and arranged to generate an electric signal which varies between maximum and mini- mum limit values during each revolution of the roll in dependence on any bowing of the roll, cooling means for selectively cooling parts of the roll and a bowing detection circuit arranged to receive the electric signal and provide an operating signal when the electric signal varies by more than a predetermined amount from one of the said limit values, and actuating means arranged to respond to the operating signal and operate the cooling means to cool a required part of the roll to reduce bowing.

229418

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