Articulated test probe mechanism with fluid bearing in test roll

Details Articulated test probe mechanism with fluid bearing in test roll Articulated test probe mechanism with fluid bearing in test roll

1981-12-08

1984-01-03

Gill, James J.

Measuring and testing

Vibration

By mechanical waves

73640, 324262, G01N 2904

Patent

active

044236360

ABSTRACT:
A nondestructive eddy current or ultrasonic articulated probe mechanism automatically detects rolling mill roll surface defects for use with a defect test system. The articulated probe mechanism is mounted on a traversing roll grinder carriage, is automatically positioned over the test roll, and has a probe head with controlled fluid bearing, air or liquid, to automatically maintain probe head-to-test roll gap. One or multiple eddy current, or ultrasonic, probes in the head generate anomoly test signals which, together with a probe head temperature sensor signal, are suitable for processing in an appropriate test instrument.

REFERENCES:
patent: 3586967 (1971-06-01), Peyrot et al.
patent: 3741003 (1973-06-01), Gunkel
patent: 3884076 (1975-05-01), Studer
patent: 3952582 (1976-04-01), Graham et al.
patent: 4213183 (1980-07-01), Barron et al.
patent: 4258319 (1981-03-01), Shimada et al.
P. Keller, "A New Technique For Noncontact Temperature Measurement of Rotating Rolls," Iron and Steel Engineer, May, 1980, pp. 42-44.

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