How Do We Decide Whether Balancing Should Be Performed in Single Plane, Two Planes, or Multiple Planes?

Deciding whether to perform balancing in a single, two, or multiple planes depends on the part's geometry, mass distribution, and operational requirements. The most basic rule is that if the part's length is greater than its diameter, two-plane balancing is necessary. This is required to correct not only the unbalance at the center of mass but also the couple forces (moment unbalance) that occur during the part's rotation. Two-plane balancing is ideal for parts like shafts, spindles, and long rotors. This method simultaneously eliminates both static and dynamic unbalance, leading to more stable and vibration-free operation.

However, two planes are not always necessary. If your part is disc-shaped and its diameter is much greater than its length (for example, flywheels, pulleys, or some fans), single-plane balancing may be sufficient. In these parts, the mass unbalance is concentrated in almost a single plane, so a correction made in one plane yields the desired result. For much more complex parts, such as multi-stage pumps or long turbine rotors, multi-plane balancing may be required to completely eliminate the unbalance. Each section of these parts can contain its own unbalances, and these unbalances can affect each other. At MBS Balans Sanayi, we guide you in analyzing your part's characteristics to determine the most suitable number of balancing planes, ensuring you get the most accurate and efficient solution.