Testing apparatus for detecting damage of the casting belts of a continuous casting mold
First Claim
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1. In a continuous metal caster of the type having mold walls formed by a pair of vertically opposed co-rotating endless casting belts and a pair of co-rotating lateral dam blocks;
- the improvement comprising testing means disposed adjacent said casting belts during operation of said caster for detecting damage to said casting belts, said testing means including a respective plurality of ultrasonic testing units disposed adjacent a surface of each said casting belt, with each said testing unit having an ultrasonic transmitter-receiver sonically coupled to the adjacent said casting belt; and
means for mounting each said testing unit so that it is stationary with respect to the direction of movement of the adjacent said casting belt.
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Abstract
For the purpose of monitoring the casting belts during operation of the caster to detect damage or faults to the casting belts, a plurality of ultrasonic testing units, which are stationary with respect to the direction of rotation of the casting belts and which are each designed as to transmit/receive unit, are associated with each casting belt.
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Citations
18 Claims
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1. In a continuous metal caster of the type having mold walls formed by a pair of vertically opposed co-rotating endless casting belts and a pair of co-rotating lateral dam blocks;
- the improvement comprising testing means disposed adjacent said casting belts during operation of said caster for detecting damage to said casting belts, said testing means including a respective plurality of ultrasonic testing units disposed adjacent a surface of each said casting belt, with each said testing unit having an ultrasonic transmitter-receiver sonically coupled to the adjacent said casting belt; and
means for mounting each said testing unit so that it is stationary with respect to the direction of movement of the adjacent said casting belt. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
- the improvement comprising testing means disposed adjacent said casting belts during operation of said caster for detecting damage to said casting belts, said testing means including a respective plurality of ultrasonic testing units disposed adjacent a surface of each said casting belt, with each said testing unit having an ultrasonic transmitter-receiver sonically coupled to the adjacent said casting belt; and
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16. A method of continuously monitoring the casting belts of a continuous metal caster, which is of the type having co-rotating mold walls formed by a pair of vertically opposed endless casting belts and a pair of lateral dam blocks, for the detection of damage to the casting belts during operation of the caster comprising:
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positioning a respective plurality of ultrasonic transmitter-receiver testing units adjacent each of the casting belts so that they are stationary with respect to the direction of movement of the adjacent casting belt, and sonically coupled to the surface of the associated casting belt; transmitting ultrasonic energy from each of the testing units into the adjacent casting belt; receiving reflected ultrasonic energy from the adjacent casting belt at each of said testing units; and detecting damage to a casting belt from any difference between the received signals at a testing unit resulting from reflection from a fault in the casting belt. - View Dependent Claims (17, 18)
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Specification