| 摘要 |
PURPOSE:To enhance the yield of cast strips in cutting, by detecting a temperature difference from the general sections of cast strips to detect the joints of the cast strips by means of a joint detector so that a recognition value of the joints in a tracking device is corrected to recognize a precise position, thereby the joint along is cut. CONSTITUTION:When a joint is produced in a mold 2, a tracking device recognizes the position of the joint section as a distance to the limit point of a cutting device. When a joint detector 36 detects a joint with reference to continuously measured values from a surface thermometer 36, and delivers a signal indicating the presence of the joint to the tracking device 28 which therefore corrects the difference between the recognized value and an actual value. The precise position of the joint obtained by the tracking device 28 is delivered to a cutting control device 32 which counts a predetermined length of a cast strip 18 as conventionally does, and delivers a cutting instruction to the cutting device 26. Thus the allocation between a good strip section and a discard strip section is precisely made, thereby the cutting may be precisely made.
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