Electric Motor Rotor Balancing

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.

Electric motor rotor balancing.

All rotors must be balanced whether new from the factory oem or recently repaired. 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 motors are almost always well balanced when they leave the motor manufacturer. An electric motor s rotor like any rotating mass cannot become out.

We have cast millions of rotors and have worked with. In some cases this is a good thing but usually it is not. Using the standard the use of the standard involves the following steps. The methods employed in shop balancing can have a profound impact on the resulting balance condition of the rotor.

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. Smooth running motors last longer make less noise and in the case of saws or other shop tools make better quality. The reader is directed to the paper s balance terminology section for a summary of terms used in this paper. Rotor balancing view motor assembly.

Mainly used in production line balancing such as electric motor rotor manufacture and the like. Our products are proudly manufactured in the united states of america. Balancing solutions for small armatures and electric motors hofmann is a leading supplier of balancing systems for the small armature and electric motor industry. Select a balance quality grade g number from table 1 based on rotor type.

Basic methods of balancing rotor can be balanced by aligning the rotor mass with the bearing centers norfield 2006. Many shop or machine tools have big motors and many big motors vibrate. Here are some easy troubleshooting methods to determine the cause of unbalance in the motor. 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.

To improve the balance condition of most high speed flexible rotors the following. But occasionally motor unbalance problems are picked up with vibration monitoring tools such as the oneprod hawk. Motor rotor balancing can be a confusing topic leading to sometimes heated conversation especially in motor shops where cultures have evolved so differently over the years.