GrayVolt Blog
Balancing & vibration, made practical.
Field-tested guides on spindle balancing, vibration analysis, and machine health — written by the people building the sensor.
How to Balance a CNC Spindle: the Single-Plane Influence-Coefficient Method
The exact procedure pros use — baseline reading, trial weight, and the math that tells you precisely how much weight to add and where.
Read the guide →Reading Vibration Severity: a Practical Guide to ISO 10816 / 20816
What "good," "acceptable," and "shut it down" actually mean in mm/s RMS — the severity zones, machine classes, and how to measure them.
Read the guide →