Product
We monitor spindle bearings. And say what we do not monitor.
The spindle is the most expensive component of a machining centre, and bearing damage announces itself in the vibration pattern. That is what we focus on. Everything else is marked “in development”.
Available
Spindle and spindle bearings
A vibration sensor on the spindle housing measures what the CNC control cannot supply. The control's standard interfaces are not sufficient for bearing diagnostics because they sample too slowly.
Outer race damage
AssessedPeaks at the ball pass frequency of the outer race (BPFO) and its harmonics in the envelope spectrum.
Inner race damage
AssessedBall pass frequency of the inner race (BPFI), typically with sidebands spaced at the rotational frequency.
Rolling element damage
AssessedCharacteristic frequency of the rolling elements (BSF). Harder to detect than race damage.
Cage damage
AssessedCage frequency (FTF), often an indication of lubrication problems or wear of the cage guidance.
Unbalance
AssessedIncreased vibration once per revolution, for example from a contaminated clamping device or a poorly balanced tool.
Assessment
Measured against your machine, not an average.
Every spindle vibrates differently, depending on age, installation and machining. That is why the system first learns the baseline of your spindle, i.e. its normal state. Only then are deviations meaningful.
Features instead of raw data
The edge box calculates features on site, such as RMS, crest factor, kurtosis and amplitudes at the bearing frequencies. Only these values are transmitted.
Trend instead of single value
A single outlier does not trigger an alarm. What matters is whether a feature drifts away from the baseline over hours and days.
Reasoning instead of traffic lights
Every alert names the feature, the suspected damage pattern and the size of the deviation. You give feedback on whether it was correct.
CNC controls
One screen for mixed machine fleets.
Siemens next to Heidenhain, older machines next to new ones. The connection uses the OPC UA interface offered by the control manufacturer itself.
| CNC control | Requirement | Status |
|---|---|---|
| Siemens SINUMERIK 840D sl, 828D, ONE | Option “Access MyMachine /OPC UA” | Can be connected |
| HEIDENHAIN TNC 640, TNC 620, TNC7 | OPC UA NC Server (software options) | Can be connected |
| HEIDENHAIN iTNC 530, TNC 320 | No OPC UA NC Server available | Sensors only |
| FANUC | Connection via FOCAS | Planned |
Without the spindle speed from the CNC control, the bearing frequencies cannot be calculated. Whether there is another speed source for your machine is something we check in the introductory call.
In development
Feed axes and ball screws
Following error and load profiles to detect increasing friction and backlash. We record these signals during the pilot, but do not assess them yet.
Planned
Automatic tool changer and coolant
These are on our roadmap. Today they are not part of the offer, and we do not sell them.
Limits
What we explicitly do not do.
- Never write to the CNC control. No speed, feed or offset values, no parameter optimisation.
- No prediction to the day. We show how far a spindle deviates from its baseline.
- No promise of “zero downtime”. Nobody can guarantee that.
- No operator or shift data. That spares you the consultation with your works council.
To pass on
Everything on one page.
The one-page overview for management, maintenance and IT: what the system monitors, how it works, which CNC controls can be connected and what your IT needs to approve.
Next step