GrayVolt Blog
Balancing & vibration, made practical.
Field-tested guides on spindle balancing, vibration analysis, and machine health, written by the people building the sensor.
28-second interface tour · Silent, captioned
See the measurement—not a polished mockup.
Live RPM, overall vibration, waveform, and FFT in one browser view, using the same interface that ships on the GrayVolt unit.
Shop-floor guides
Written from the workflowHow 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 →