| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique by which an operator operating a casting device can simultaneously recognize the macroscopic tendency and microscopic tendency of parameters such as various conditions or the like in a repeatedly performed casting step. SOLUTION: A histogram and a trend graph are created on the basis of the data on various parameters (such as casting pressure) in a casting operation repeatedly performed in the casting device, and are made to display on a screen. An operator can simultaneously recognize the macroscopic tendency and the microscopic tendency of the parameters by comparing the histogram and the trend graph. COPYRIGHT: (C)2011,JPO&INPIT
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