One of the most frequent challenges you'll face as a service technician is determining if a replacement motor that is not an exact duplicate of the original is suitable for an application. Often, you ...

Thank you for visiting one of our most popular classic articles. If you’d like to see updated information on this topic, please check out this recently published article, Motor Calculations — Part 1.

To prevent a motor from burning up, you must provide a means of protecting it from overcurrent (overload, short circuit, or ground fault). If you can remember not to confuse motor protection with ...

This file type includes high resolution graphics and schematics when applicable. Motors are rated by the output power they can produce over a given time period without overheating. These ratings are ...

Top screw speed is the top motor speed divided by the reduction ratio, which is determined by the gear box and (sometimes) pulley sets. In most extruders it is somewhere around 100 rpm. One exception ...

A growing number of manufacturers are saving time and money by testing, diagnosing and even repairing servo motors in-house. We look at the expanded role of encoder test systems and present one ...