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If you are able to measure phase, and have a mux type connector, this can be accomplished by relocating cables on the mux and simply moving the sensor from one plane to the other and manualy entering data at those reference points, be sure and relocate the sensor as close as possible to the...

Have you any connections or a friend with a Vibration Analyser, if so you may try bump/impact testing to obtain information about the natural as well as excited frequencies.

sturdy, If the motor came factory with the mentioned capacitor and dual voltage taps, then most likely the only difference you will encounter is the power tap connection of the motor leads. Hope this helps. JB

electropete, Iv'e just read the discussions on this motor and a question comes to mind, what rpm is this motor turning? coming from a electric motor repair shop background there has always been a tolerance chart for performing endbell and bearing fit tolerances, however I occassionaly...

striker, you are so correct in your observation of a surface difference of the snap-ring, one side being flat and the other rounded off, as a motor repairer I continuosly encounter incorrectly installed snap/retaining rings and occasionaly I encounter snap-rings that are rounded on both...

ysn, Three things determine the torque produced by an AC induction motor; 1= the strength of the magnetic field of the stator 2= the strength of the magnetic field of the rotor 3= the phase angle difference between rotor and stator fields. There are several formulas for configuring the info you...

Spek, Try searching the internet under electrical spark isolation, you should get several hits and information. Hope this helps. JB

Looking for other Analysis / Condition Monitoring / Laser Alignment / On-Site Balancing Technicians to share information with discuss occasional problems,compare notes on common or uncommon practices and applications with,for research and development of techniques and top priority customer care...

Harmonics are sinusoidal quantities having a frequency that is an integral multiple (x2,x3,x4,etc.)of a fundamental(x1)frequency. Modes are a characteristic pattern in a vibrating system, All peaks reach their maximum displacements at the same instant.

Have you had anyone analize the failing component to determine its natural frequency,if possible try raising or lowering your operating frequency by 10% and check your failing components response,you might also consider structuraly stiffening with mass or dampening with a vibration assorbing...