How to determine the mixer speed
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The operating speed during operation should be kept within a certain range away from the critical speed. Different experts have various opinions on this matter. For instance, the “Mechanical Design Handbook (5th Edition)” states that when the operating speed is lower than the first-order critical speed, it should be set to N/Nk
The operating speed of the mixer should be kept away from the critical speed. Specifically, the operating speed should be kept at 70% to 80% of the critical speed to ensure stable and safe operation of the equipment. .