Dynamic surface wave roll inspection device

Details Dynamic surface wave roll inspection device Dynamic surface wave roll inspection device

1993-06-24

1995-11-28

Chilcot, Richard

Measuring and testing

Vibration

By mechanical waves

73620, G01N 2904

Patent

active

054697433

ABSTRACT:
A method and apparatus is provided for dynamically inspecting rolling mill rolls to locate surface defects in the rolls by applying an ultrasonic shear wave circumferentially to a rotating roll, wiping liquid from the surface to remove surface contaminants, and sensing reflections representative of any roll surface defects.

REFERENCES:
patent: 3602036 (1971-08-01), Peterson
patent: 4624289 (1986-12-01), Fukuda et al.
patent: 4641531 (1987-02-01), Reeves et al.
patent: 4658649 (1987-04-01), Brook
patent: 4898034 (1990-02-01), Kupperman et al.
N. C. Nelson et al, "Surface Wave Ultrasonic Inspection for the Detection and Removal of Cracks in Indefinite Chill Double Poured HSM Work Rolls", AIME Conference Montreal, Oct. 1992, 9 pages.

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