Kollmorgen AKM12C-ANCNR-00 40 mm Servo Motor

Description

Key Technical Specifications

The 0.31 Nm continuous torque, 1.46 Nm peak torque, 8,000 rpm maximum speed, and approximately 0.49 kg weight are reported by a specialist Kollmorgen product listing.

Important Identification Detail

The ANCNR configuration matters. Do not substitute a visually similar AKM12C motor without checking the feedback and mechanical configuration. Other AKM12C variants use different feedback systems, shaft arrangements, or seals.

Product Introduction

The Kollmorgen AKM12C-ANCNR-00 is a compact AKM synchronous servo motor with a 40 mm frame and rotor-length index 2. This configuration uses a C winding, smooth shaft, IEC flange, and resolver feedback, making the motor suitable for closed-loop positioning and speed-control applications where motor-to-drive compatibility is tightly specified.

The motor is rated for 0.31 Nm continuous torque, 1.46 Nm peak torque, and up to 8,000 rpm according to available product data. It has no integrated brake and uses two SpeedTec Ready connectors. These details should be matched against the installed motor before replacement.

Installation & Configuration Guide

Stage 1 — Pre-Installation Preparation (~10 min)

1. Record the complete motor nameplate information, including AKM12C-ANCNR-00.
2. Confirm the existing servo amplifier is compatible with this AKM configuration.
3. Record motor feedback type, connector arrangement, and shaft configuration.
4. Back up the axis parameters and existing servo tuning values.
5. Verify the mechanical coupling, mounting pattern, and available shaft clearance.

⚠️ Do not select the replacement solely by frame size. Feedback type, winding, shaft, brake configuration, and motor data must match the drive setup.

Stage 2 — Removing the Old Motor (~5 min)

1. Disable the axis according to the machine manufacturer’s safety procedure.
2. Remove electrical power and verify the DC bus has discharged before touching motor connections.
3. Lock out the mechanical axis where stored or gravity-driven motion is possible.
4. Label the motor power and feedback connections.
5. Disconnect the motor cables.
6. Remove the motor from the machine coupling and mounting surface.

⚠️ Never disconnect the motor connectors while the servo amplifier is energized.

Stage 3 — Installing the New Motor (~5 min)

1. Compare the replacement nameplate with the removed motor.
2. Confirm resolver feedback, smooth shaft, no brake, and the correct flange arrangement.
3. Inspect the shaft, flange, connectors, and mounting face before installation.
4. Install the motor without applying impact loads to the shaft.
5. Align the coupling according to the machine manufacturer’s specification.
6. Secure the mounting bolts using the machine manufacturer’s torque requirements.
7. Connect the motor power and resolver cables to the correct drive terminals.

Stage 4 — Power-On & Testing (~10–15 min)

1. Restore power only after all mechanical guards and electrical connections are secure.
2. Verify the servo drive recognizes the motor feedback device.
3. Confirm motor and drive parameters correspond to .
4. Check resolver feedback and motor direction at low speed.
5. Perform a controlled jog with the machine unloaded where practical.
6. Check for excessive current, vibration, oscillation, or following error.
7. Run the axis through its normal operating range only after the low-speed test passes.
8. Record the final motor and drive parameters for future maintenance.

AKM12C-ANCNR-00

FAQ

What type of motor is -ANCNR-00?

It is a Kollmorgen AKM synchronous AC servo motor. The model has a 40 mm frame, C winding, resolver feedback, and a smooth shaft.

Does -ANCNR-00 have an integrated brake?

No. The -00 configuration is specified without a brake. If the machine requires holding torque when power is removed, the mechanical system must provide the required holding function or a brake-equipped motor variant must be selected.

What feedback does this motor use?

The ANCNR configuration uses a resolver. Available product data identifies it as a 2-pole, single-turn inductive resolver system.

What is the maximum speed?

The published specification lists a maximum speed of 8,000 rpm. The actual permitted operating speed also depends on the drive configuration, load, and application.

What are the continuous and peak torque ratings?

The reported ratings are 0.31 Nm continuous torque and 1.46 Nm peak torque. Peak torque should not be treated as a continuous operating rating.

Can I replace -ANCNR-00 with another ?

Not automatically. variants can differ in feedback device, shaft type, shaft seal, winding, brake configuration, and connector arrangement. The replacement should match the complete model number and the servo amplifier’s motor configuration.

still available?

It remains present in specialist industrial automation inventories, including unused-surplus and refurbished channels. Availability and condition vary, so procurement should specify the required condition and require verification of the nameplate before shipment.