Home → RigidCore → Drive System

Purpose-built BLDC servos. The drive system inside every RigidCore machine.

Not off-the-shelf steppers. Not repurposed hobby motors. True brushless DC servos with closed-loop FOC control, absolute position feedback, and integrated thermal protection.

400W Class

RigidDrive 400

NEMA 34 (86mm) Frame · 48V
Continuous Power400W
ControlSinusoidal FOC
FeedbackAbsolute Encoder
Bus Voltage48V DC
CommunicationCAN Bus · 1ms Loop
ProtectionHall + NTC Thermistor
Contact for Pricing
600W Class

RigidDrive 600

NEMA 34 (86mm) Frame · 48V
Continuous Power600W
ControlSinusoidal FOC
FeedbackAbsolute Encoder
Bus Voltage48V DC
CommunicationCAN Bus · 1ms Loop
ProtectionHall + NTC Thermistor
Contact for Pricing
750W Class

RigidDrive 750

NEMA 34 (86mm) Frame · 48V
Continuous Power750W
ControlSinusoidal FOC
FeedbackAbsolute Encoder
Bus Voltage48V DC
CommunicationCAN Bus · 1ms Loop
ProtectionHall + NTC Thermistor
Contact for Pricing
True Servo, Not Stepper

Brushless DC with sinusoidal field-oriented control. Smooth, silent, and zero missed steps — ever. No stepper whine, no resonance dead zones.

Absolute Position Feedback

The controller knows exact shaft position at power-on. No homing routine required. Instant recovery from power loss. True closed-loop at 1ms update rate.

Thermal Protection Built In

Integrated Hall sensors for commutation plus NTC thermistor for real-time winding temperature monitoring. RigidPulse derates automatically before thermal limits.

Exclusive to RigidCore

RigidDrive motors are not available from any other CNC manufacturer. Purpose-wound for our 48V bus architecture with custom encoder integration.

RC-scale autonomous chassis
Autonomous chassis — Phase 1 development platform
Onboard compute and motor control
Onboard GPU compute — AI motion control running locally

Why it matters: Every competitor in our price range ships open-loop steppers or closed-loop steppers pretending to be servos. RigidDrive is true BLDC with field-oriented control — the same motor technology used in industrial robotics and EV drivetrains. The difference is felt in every cut: smoother surface finish, higher feed rates, zero stalling, and AI-responsive motion that steppers physically cannot achieve.

Standalone Motor Sales

Designed for RigidCore. Available to the CNC community.

RigidDrive motors feature a custom rear shaft for direct-mount absolute encoder integration, 48V bus architecture, and branded housing. Available individually for builders, integrators, and the CNC community.

Single Motor

Contact for Pricing

One motor, encoder-ready rear shaft, spec sheet, wiring guide. For builders replacing a single axis or prototyping.

4-Pack (Machine Set)

Contact for Pricing

Four matched motors for a complete machine build. 5% volume discount. Matched encoder kits available.

OEM / Bulk (10+)

Contact for Volume Pricing

Custom winding specs, private labeling available. Integrators and machine builders building on the RigidDrive platform.

Encoder kits (AMT212B-V-OD + 3D-printed back cap) sold separately at Contact for Pricing or bundled with motor purchase.

Ecosystem Thread

Where the RigidCore Drive System fits in the ecosystem.

Every motor is a node in a larger intelligence loop — powered by data, feeding data back.

What feeds RigidDrive
RigidPulseAI motion control profiles and field-oriented control tuning RigidAIFleet-learned motor behavior models and thermal predictions RigidForgeOptimized toolpaths that respect motor torque curves
What RigidDrive feeds
RigidCoreTrue servo motion for every axis on the flagship CNC RigidSenseMotor current, temperature, and encoder telemetry for health monitoring RigidVaultMotor lifecycle records and calibration history

Every pillar in the KI ecosystem is interconnected. No product works alone.

View Full Ecosystem Map →

Ready to talk?

Investor, partner, shop owner, or someone with heritage worth preserving.

Get in Touch →
R

RigidAI

Kavanagh Industries · Always on