The main vibration parameters of the crystallizer are amplitude and frequency. The crystallizer vibration waveform, frequency and amplitude should be reasonably selected according to the cross-sectional size of the slab and the pouring speed. The time it takes for the crystallizer to vibrate up and down once is called the vibration period, and its unit is seconds. The number of vibrations of the crystallizer per minute is called frequency, and the unit is times/minute. Generally, 30 to 60 times/min are used. The distance that the crystallizer moves from the highest position to the lowest position or from the lowest position to the highest position is called the stroke or amplitude, and the unit is millimeters. Generally, 10~15mm is used. Generally speaking, the higher the frequency, the smaller the amplitude, which can make the vibration ripples on the surface of the slab shallower and the vibration marks shorter, which is beneficial to improving the surface quality of the slab. Therefore, the use of high frequency and small amplitude in crystallizers is a development direction.
Link to this article：Crystallizer vibration parameters
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