POURING STREAMS Application Note
■Monitoring the temperature of the pouring melt in foundries is a challenging task due to the varying measuring conditions and characteristics of the metal.
■In most foundries, the temperature of the metal melt is usually measured by thermocouple immersion probes. These immersion measurements can only be made in the crucibles or the transfer ladles where the melt is stationary, but not in the pouring stream where insertion of a probe would disturb the flow into the cast. However, the direct temperature of the pouring stream is critical to the quality of the final casting. By contin-uous monitoring of the pouring steam temperature and pour quality for each cast, the foundry is able to better control of the casting process.
■An undisturbed temperature measure-ment of the pouring stream can only be obtained by non-contact infrared pyrometers. Where castings are made of different alloys, conventional pyrometers and ratio pyrometers often cannot be used for the measurement of the pouring stream due to consid-erable differences in the measuring conditions and the characteristics of the metal.
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thermocouple immersion probes 、 non-contact infrared pyrometers 、 pouring stream pyrometer system |
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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