Electric Motor Rotor Balancing

The methods employed in shop balancing can have a profound impact on the resulting balance condition of the rotor.

Electric motor rotor balancing. We have cast millions of rotors and have worked with. Our products are proudly manufactured in the united states of america. Using the standard the use of the standard involves the following steps. All rotors must be balanced whether new from the factory oem or recently repaired.

Balancing solutions for small armatures and electric motors hofmann is a leading supplier of balancing systems for the small armature and electric motor industry. 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. In some cases this is a good thing but usually it is not. Dynamic motor balancing with sugru and an iphone.

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. But occasionally motor unbalance problems are picked up with vibration monitoring tools such as the oneprod hawk. Select a balance quality grade g number from table 1 based on rotor type. Balancing and its terminology if the standard is to be understood and used properly.

Electric motors are almost always well balanced when they leave the motor manufacturer. Mainly used in production line balancing such as electric motor rotor manufacture and the like. But the methods of balancing vary as does the quality of the work. 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.

Many shop or machine tools have big motors and many big motors vibrate. 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. An electric motor s rotor like any rotating mass cannot become out. Here are some easy troubleshooting methods to determine the cause of unbalance in the motor.

Basic methods of balancing rotor can be balanced by aligning the rotor mass with the bearing centers norfield 2006. 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.