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CNC Use Case

Spindle Wear Detection by Power Consumption Analysis

Detect spindle wear and drive inefficiencies before they cause failures — using only existing electrical data from SCADA/machine controllers. No additional sensors required.

Data Input

SCADA / Machine Controller
Standard control system data — no new hardware needed
Electrical Data of Spindle
kVA, PF, I_avg, kW — already logged by the drive

Analytics Findings

AI-ranked root causes of spindle power variation with explanation and recommended action

Spindle DrivekVA_spindle & PF_spindle— Spindle Drive Efficiency
Explanation

High reactive power or poor power factor indicates the drive is working harder than necessary to maintain magnetic fields rather than performing useful work.

Recommended Action

Prioritize spindle drive vector tuning, verify motor nameplate parameters, and check harmonic filter health.

Current DrawI_avg_spindle— Feed & Speed Optimization
Explanation

Unnecessary torque peaks drive up current demand, causing accelerated wear and excess energy consumption during cutting cycles.

Recommended Action

Optimize feed/speed rates and enable spindle load-based adaptive feed.

MachineMachine-Level Influence— Auxiliary Systems
Explanation

Background electrical stress from inefficiently managed auxiliary systems can inflate the spindle power recorded under identical cutting conditions.

Recommended Action

Verify coolant and hydraulic pump control modes (VFD vs. constant speed).

FacilityFacility Influence— Plant Power Quality
Explanation

Poor plant power quality creates background electrical noise and stress that the spindle drive must overcome, which increases the total real power (kW) consumed.

Recommended Action

Check plant voltage balance and grounding.

Sources: Feature importance values (kVA_spindle, PF_spindle, I_avg_spindle) derived from AI model trained on spindle electrical data. Methodology aligned with IEC 60034-30 motor efficiency standards and IEEE 519 power quality guidelines.

Expected Results

Spindle Power Consumption

10–20% reduction

Lower energy cost per machined part

Unplanned Spindle Downtime

−15–25%

Early wear detection before catastrophic failure

Tool & Bearing Lifespan

+15–30%

Reduced tooling costs and changeover time

Part Quality / Scrap Rate

−5–12%

Fewer out-of-tolerance parts from spindle runout

Acting on spindle drive efficiency alone can recover 10–20% of spindle energy — without any hardware change, using data the machine already logs.

Monitored KPIs

kVA_spindle
PF_spindle (Power Factor)
I_avg_spindle
kW_spindle (Real Power)
Spindle load %
Bearing temperature trend
Tool wear index
Parts per kWh
Unplanned downtime events
MTBF (spindle)

Business Outcome

CNC spindle failures typically cost $15,000–$80,000 per incident in repairs and lost production. By catching drive inefficiency and bearing wear early — through power consumption patterns — manufacturers prevent failures, extend spindle life, and reduce energy waste, all without adding sensors or ripping out existing systems.

Data Privacy: Built for the Shop Floor

On-Premises / Edge Deployment

All inference runs locally. No production data leaves the facility.

No Cloud Dependency

Fully air-gapped operation possible. Analytics continue even without internet.

Zero Data Sharing

Spindle, process, and quality data never transmitted externally.

Works with Existing Systems

Connects directly to SCADA/machine controller. No new infrastructure required.

Your machine data stays on your machines. Full data sovereignty with AI-powered spindle health monitoring.

"The data to predict spindle failure already exists.
We just make it speak."