Description
Kollmorgen AKM33E-ANCNR-00 | Synchronous Servo Motor Core Category
Dynamic Product Introduction
Stepping up power density without blowing out cabinet thermal limits requires optimized magnetic geometries. The Kollmorgen AKM33E-ANCNR-00 delivers a stout 2.79 Nm of stall torque from a compact 70mm frame profile, making it a staple for aggressive machine tool axes and high-throughput packaging lines. Dropping this unit into an active architecture demands careful verification of the winding configuration and resolver offset to eliminate speed ripple during transitions.

AKM33E-ANCNR-00
Key Technical Specifications
| Technical Parameter | Specification Value |
| Flange Size | 70 mm (Frame 3, IEC N-tolerance) |
| Stack Length | 3 (Extended core variant) |
| Winding Type | E (Optimized high-voltage winding) |
| Feedback Device | Pre-assembled Resolver (16-bit absolute/incremental analog tracking) |
| Holding Brake | None (-N suffix) |
| Rated Output Power | 1.19 kW / 1.59 HP (at 640 VDC bus) |
| Stall Torque | 2.79 Nm (24.7 lb-in) |
| Max Bus Voltage | 640 VDC |
| Rated Speed | 5000 RPM (8000 RPM max operating limit) |
| Enclosure Rating | IP65 (Protected against dust ingress and water jets) |
Global Sourcing & Live-Test SOP (Transparency Core)
Validating surplus high-energy motors requires rigorous electrical and mechanical screening before deployment. Every inbound AKM33E-ANCNR-00 unit is processed through a strict protocol:
- Inbound Verification: Serial number pedigree checks against OEM factory databases, laser nameplate validation, and physical shaft runout verification using high-precision dial indicators.
- Live Simulation: Mounted securely to a calibrated dynamometer test rig driven by an authentic digital servo controller.
- Diagnostics: 1000VDC megger insulation resistance testing, phase-to-phase back-EMF symmetry verification, and resolver tracking validation across full thermal cycling.
- Final Prep: Protective plastic shaft capping, moisture barrier insertion, and heavy-duty ESD-safe vacuum sealing.
The Field Engineer’s Pitfall Guide
- ❗ Resolver Phase Offset Drift: Swapping a resolver-based motor without updating or calibrating the feedback commutation angle in the drive parameters will trigger an immediate overcurrent fault or wild shaft oscillation upon enable.
- ❗ Connector O-Ring Pinching: Forcing the angled M23 SpeedTec connectors into place without checking the internal rubber seal will compromise the IP65 rating, allowing cutting fluids or washdown moisture to wick into the contact pins.
- ❗ Thermal Overload via Forced Convection Ignorance: Ignoring the continuous stall current rating when holding heavy loads statically without external cooling will trip the internal PTC thermistor and drop the axis.
Intent-Driven FAQ
- Does the AKM33E-ANCNR-00 require an internal battery for its resolver feedback?
No. Resolvers are absolute-analog electromagnetic transducers that do not rely on volatile memory or backup batteries to track rotor position relative to the drive converter.
- Can this motor be hot-swapped while the drive bus is energized?
Never unplug power or feedback connectors while the DC bus is active. Always lock out upstream power and wait for the bus capacitors to bleed down to prevent arcing damage to the M23 pin contacts.
- What indicates an internal winding failure during routine maintenance?
Measuring phase-to-phase resistance with a milliohmmeter and discovering an asymmetry exceeding three percent typically points toward localized turn-to-turn short circuits.
- Are mating power and feedback cables included with surplus units?
Surplus motors ship with integrated housing receptacles; matching shielded cable assemblies must be specified and ordered separately based on your cable tray run length.
- What warranty protects this surplus hardware?
Verified units are backed by an industry-standard replacement warranty covering electrical and mechanical integrity under specified operational loads.


