Shape detecting roll

Details Shape detecting roll Shape detecting roll

G - Physics

01

B

73/1

G01B 5/28 (2006.01) B21B 38/02 (2006.01) G01B 7/34 (2006.01) G01L 5/04 (2006.01)

Patent

CA 2035885

ABSTRACT The present invention relates to a shape detecting roll rotatable for supporting a traveling rolled material over the width thereof to detect the pressure of the rolled material from portion to portion widthwise thereof and detect the shape of the rolled material by processing the detected pressure by calcula- tion. The roll comprises a plurality of disks (2) arranged axially of the roll concentrically with one another and each having a pressure sensor (1) incorporated in its peripheral portion, a clearance (11) being formed between the side surfaces of peripheral portions of the adjacent disks (2) for preventing the interference between the peripheral portions. The side surfaces of the disk peripheral portions (10) forming the clearance (11) are activated by a reverse electroly- tic treatment and thereafter coated with a corrosion- resistant plating. The plating film firmly adheres to the surfaces of the disks, protecting the side surfaces of the disk peripheral portions against corrosion and assuring the roll of high detection accuracy for a prolonged period of time.

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