Electric Motor Rotor Balancing

Select a balance quality grade g number from table 1 based on rotor type.

Electric motor rotor balancing.

Our products are proudly manufactured in the united states of america. Ramco electric motors is your contract manufacturer for low to mid volume ac induction switched reluctance and brushless dc stators rotors and rotor shaft assemblies. Basic methods of balancing rotor can be balanced by aligning the rotor mass with the bearing centers norfield 2006. The methods employed in shop balancing can have a profound impact on the resulting balance condition of the rotor.

Dynamic motor balancing with sugru and an iphone. Rotor balancing view motor assembly. We offer a flexible range of balancers to accommodate a variety of rotor sizes as well as the different levels of automation required to match production volume. We have cast millions of rotors and have worked with.

Balancing and its terminology if the standard is to be understood and used properly. The impact of shop balance technique is most important when the rotor is relatively flexible and or long as is common with most turbomachinery. Electric motor balancing is critical for extending the life of electric motors used in a wide range of commercial and industrial applications an unbalanced motor runs the risk of damaging or even destroying the motor shaft and bearings causing added system expense and downtime that can affect your operations and or production. But occasionally motor unbalance problems are picked up with vibration monitoring tools such as the oneprod hawk.

But the methods of balancing vary as does the quality of the work. To improve the balance condition of most high speed flexible rotors the following. The reader is directed to the paper s balance terminology section for a summary of terms used in this paper. In some cases this is a good thing but usually it is not.

Mainly used in production line balancing such as electric motor rotor manufacture and the like. Balancing solutions for small armatures and electric motors hofmann is a leading supplier of balancing systems for the small armature and electric motor industry. All rotors must be balanced whether new from the factory oem or recently repaired. An electric motor s rotor like any rotating mass cannot become out.

Many shop or machine tools have big motors and many big motors vibrate. Using the standard the use of the standard involves the following steps. Here are some easy troubleshooting methods to determine the cause of unbalance in the motor.