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Copy| Product Name | ABB 3HAC031184-003 IRB 4600 Axis-3 Motor with Pinion |
| Item NO. | 2930109 |
| Weight | 0.1 kg = 0.2205 lb = 3.5274 oz |
| Category | ABB |
| Brand | ABB |
| Creation Time | 2026-11-05 |
IRB 4600 Axis-3 Motor with Pinion documented for ABB IRB 4600 servo drive.
ABB 3HAC031184-003 is the rotating AC motor with pinion for axis 3 of the IRB 4600 robot family. The motor converts drive current into mechanical rotation, the pinion feeds the third-axis reduction gear and the feedback interface returns position information so the controller can regulate arm movement.
The documented coverage of ABB 3HAC031184-003 includes IRB 4600-60/2.05, 45/2.05, 40/2.55 and 20/2.55 variants. One motor record across these executions does not remove the need to confirm axis position, connector set and robot serial configuration, because surrounding cables and mechanical interfaces still belong to the installed manipulator.
For exchange, ABB 3HAC031184-003 is disconnected only after axis 3 is supported and drive energy isolated. The motor is aligned without forcing the pinion, power/brake/feedback connectors are restored, and the axis is commissioned through brake, feedback, calibration and slow-motion checks.
| Technical item | Specification |
|---|---|
| Brand | ABB |
| Model | 3HAC031184-003 |
| Product name | IRB 4600 axis-3 AC motor with pinion |
| Country | Switzerland / Sweden |
| Robot family | IRB 4600 |
| Installed axis | Axis 3 |
| Motor type | Rotating AC motor with pinion |
| Robot variants | 60/2.05; 45/2.05; 40/2.55; 20/2.55 |
| Mechanical interface | Pinion to axis-3 reduction gear |
| Electrical interfaces | Motor power, brake and feedback |
| Service restraint | Axis supported before brake release |
| Commissioning | Feedback, brake, calibration and slow travel |
| Ordering identity | Complete suffix -003 required |
ABB 3HAC031184-003 participates in one closed axis-3 control path: the drive applies torque, the brake manages the stationary state and motor feedback reports the resulting position. The controller compares these paths continuously so commanded arm movement is accepted only when electrical and mechanical responses agree.
The robot drive supplies controlled current to ABB 3HAC031184-003, producing torque at the integrated pinion and passing it into the axis-3 reduction gear. Current command alone does not prove movement; pinion engagement, released brake and a free mechanical path must allow that torque to reach the arm.
Motor feedback returns drive-side position to the controller, where it is compared with the commanded trajectory. A stable value before motion and a proportional change during low-speed travel confirm the measurement path; missing or erratic feedback blocks reliable control even if the motor can develop torque.
When axis motion is disabled, the motor brake holds the supported structure under the robot's normal drive sequence. For commanded movement the controller releases the brake before applying travel torque, then reapplies it at rest; service support remains independent of this controlled holding function.
Commissioning ABB 3HAC031184-003 follows the signal path from connectors to feedback and finally to controlled motion. This sequence separates an electrical interface fault from brake resistance or a mechanical drive problem before repeated torque can damage the pinion or reduction stage.
Check motor power, brake and feedback interfaces individually against their recorded positions, then confirm that the controller recognizes a stable axis value. A missing brake supply or feedback contact can look like motor failure, so connectors and cable routing are resolved before another drive component is replaced.
During short low-speed moves, compare commanded direction with actual feedback change and monitor the position deviation. Sound with no expected movement calls for brake and gear checks; feedback without corresponding torque response calls for drive-current and mechanical-interface checks rather than continued commands.
Stop testing immediately if the motor or pinion binds, heats, produces abnormal sound or drives an unexpected following error. Keeping the arm supported and limiting initial travel prevents a misaligned pinion, applied brake or resistant gearbox from being forced by repeated servo torque.
For ABB 3HAC031184-003, compare the robot designation, axis-3 position, connector set and serial configuration with the listed 60/2.05, 45/2.05, 40/2.55 or 20/2.55 execution.
If ABB 3HAC031184-003 is energized but axis 3 does not follow, stop the test and inspect brake release, pinion engagement, reduction-gear resistance and feedback change before applying more torque.
Axis support prevents gravity movement when the brake or mechanical link of ABB 3HAC031184-003 is released.
For ABB 3HAC031184-003, inspect brake release, pinion engagement, drive torque command and mechanical binding before replacing another component.
Command a controlled low-speed axis-3 move and compare direction and feedback for ABB 3HAC031184-003 with the robot calibration record.
ABB 3HAC031184-003 can release mechanically while the controller still blocks motion because feedback, calibration or the motor record is unresolved. Keep the axis supported and verify those three paths before replacing another component.
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Moore Automation Sales Team
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