Electric Motor Rotor Balancing

But the methods of balancing vary as does the quality of the work.

Electric motor rotor balancing.

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

Dynamic motor balancing with sugru and an iphone. Balancing and its terminology if the standard is to be understood and used properly. Mainly used in production line balancing such as electric motor rotor manufacture and the like. Electric motors are almost always well balanced when they leave the motor manufacturer.

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. We have cast millions of rotors and have worked with. But occasionally motor unbalance problems are picked up with vibration monitoring tools such as the oneprod hawk.

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. The methods employed in shop balancing can have a profound impact on the resulting balance condition of the rotor. 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. Smooth running motors last longer make less noise and in the case of saws or other shop tools make better quality.

An electric motor s rotor like any rotating mass cannot become out. Using the standard the use of the standard involves the following steps. Many shop or machine tools have big motors and many big motors vibrate. All rotors must be balanced whether new from the factory oem or recently repaired.

The reader is directed to the paper s balance terminology section for a summary of terms used in this paper. Our products are proudly manufactured in the united states of america. The impact of shop balance technique is most important when the rotor is relatively flexible and or long as is common with most turbomachinery.