Shaft, Hub, and Drive

In the design of the shaft and drive system (see Chapter 21), careful consideration should be given to issues, including the need for  

Mixing equipment suppliers have calculational tools to size the shaft to minimize shaft deflections. 

Design Tip. Sizing mixers to handle startup in settled solids requires measuring torque under test conditions with actual settled solids. In the absence of such a measurement, any design for such conditions can only be a wild guess. Use 

---