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US 6,769,957 B2Granted
Creeping wave technique for mill roll inspection
AssigneeInnerspec Technologies, Inc.
InventorJonathan D. Buttram
Life of this patent
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Abstract
A method and apparatus for simultaneously inspecting and grinding roll mills which utilizes a transducer assembly which produces a creeping wave propagation in conjunction with a couplant fluid provider and data acquisition circuit which allows the operator to see the crack and imperfections in on the surface of the mill rolls as they are rotated and to grind them off.
Claims16
An automated ultrasonic inspection system for roll mills, said system comprising
- means for rotating a mill roll for simultaneous inspection and grinding means for grinding said mill roll
- means for introducing a creeping wave propagation to said rotating roll so as to allow for inspection of said roll for cracks and defects, and
- means to convert said creeping wave propagation system to data useful to an operator of said system whereby the operator can grind said roll in such a way as to rid it of any cracks and defects in its cylindrical surface.
A method of simultaneously inspecting and grinding rotating mill rolls, said method comprising
- introducing an ultrasonic creeping wave propagation to the surface of said rotating mill roll,
- converting said propagation to useful data relative to cracks in the surface of said mill roll, and
- performing both these aforementioned steps while the roll is being ground for the removal of cracks,
- whereby by performing inspection and grinding simultaneously, real-time information as to the effectiveness of the grinding process is attained.
1 more element
Dependencies are inferred from the claim text.