ABB 3HAC024144-001 Maintenance-Proven Spare Part for Factory Uptime

Overview

ABB 3HAC024144-001 Maintenance-Proven Spare Part for Factory Uptime

The ABB 3HAC024144-001 is the original Axis 6 servo motor with integrated pinion gear, engineered specifically for the IRB6600 series industrial robot. This component governs the wrist rotation axis — one of the highest-wear joints in heavy-payload robotic applications including automotive body welding, foundry handling, and press-tending lines. Sourced as a genuine ABB spare, the 3HAC024144-001 is a direct fit replacement that eliminates the compatibility risk associated with aftermarket alternatives. Each unit dispatched from KNMKS stock undergoes pre-shipment electrical and mechanical verification, and is covered by a support terms confirmed by quotation from date of delivery.

For maintenance engineers managing IRB6600 fleets, unplanned Axis 6 failure typically results in 8–24 hours of unscheduled downtime per robot. Holding a verified 3HAC024144-001 in your on-site spare parts cabinet reduces mean time to repair (MTTR) to under two hours, provided the replacement workflow is pre-planned. Procurement engineers sourcing this part for MRO inventory should note that ABB has transitioned several IRB6600 variants to end-of-active-production status; long-term supply from authorised distribution channels is therefore time-sensitive.

Spare Maintenance Table

Maintenance Planning for Continuous Operation

Replacing the 3HAC024144-001 Axis 6 servo motor is rarely an isolated task. A structured maintenance approach requires the technician to inspect and, where necessary, replace several adjacent components to ensure the robot returns to full rated performance and does not experience a repeat failure within the same maintenance window.

Begin with the IRC5 Drive Module serving Axis 6. A failed or degraded servo motor can generate transient overcurrent events that stress the drive’s IGBT output stage. Inspect the drive for fault history codes (event log in RobotStudio or the FlexPendant) and verify that no thermal or overcurrent trips have been logged against the Axis 6 drive channel. If the drive module shows repeated fault codes, consider stocking the corresponding IRC5 Axis Computer or Drive Unit as a companion spare.

Next, inspect the motor power cable and resolver cable running from the IRC5 cabinet to the robot base and through the upper arm. Cable fatigue at the dress-pack routing points is a common secondary failure mode on high-cycle IRB6600 installations. Verify connector integrity at both the motor end and the cabinet-side X1/X2 connectors. Damaged resolver cables produce erratic position feedback and can cause the replacement motor to fault immediately on power-up.

The Axis 6 gearbox (ABB 3HAC028357-001 or equivalent for the IRB6600 wrist) should be inspected for backlash and oil contamination. If the original motor failure was caused by a mechanical overload event, the gearbox may have sustained internal damage. A motor replacement without gearbox inspection risks premature failure of the new 3HAC024144-001.

For sites running multiple IRB6600 robots, it is also advisable to audit the SMB (Serial Measurement Board) and the axis computer board within the IRC5 cabinet. These boards manage resolver signal conditioning and axis position memory; a corrupted SMB can cause calibration loss after motor replacement, requiring a full axis calibration procedure. Stocking an SMB as a fast-exchange spare significantly reduces post-replacement commissioning time.

Finally, review the 24 VDC control power supply feeding the IRC5 cabinet’s logic circuits and the brake release circuit for Axis 6. The Axis 6 motor incorporates a spring-applied electromagnetic brake; verify that the brake release voltage (typically 24 VDC) is within specification and that the brake release relay on the drive system is functioning correctly before declaring the replacement complete.

Site Replacement Workflow

Step 1 — Isolate and de-energise. Place the IRC5 main breaker in the OFF/LOCK position. Engage the robot’s mechanical stop and verify zero-energy state using a calibrated voltage tester on the drive bus capacitors (allow minimum 5 minutes for capacitor discharge after main power off).

Step 2 — Document current axis position. Before disconnecting the resolver cable, record the current Axis 6 fine-calibration value from the FlexPendant (Calibration → Fine Calibration menu). This value is required to restore calibration after motor replacement without a full mastering procedure, provided the gearbox is not disturbed.

Step 3 — Remove the failed motor. Disconnect the motor power connector and resolver connector at the upper arm. Remove the motor retaining bolts (typically M8 socket head, torque to ABB specification on reassembly). Withdraw the motor axially, taking care not to damage the pinion teeth on extraction.

Step 4 — Install the 3HAC024144-001. Verify pinion mesh engagement before fully seating the motor flange. Apply specified torque to retaining bolts. Reconnect resolver and power connectors, ensuring correct connector orientation and locking collar engagement.

Step 5 — Restore calibration and verify. Power up the IRC5 and restore the fine-calibration value recorded in Step 2. Run a slow-speed (10% override) test cycle across the full Axis 6 range of motion. Verify no fault codes are generated and that axis position feedback is stable. Gradually increase speed to 100% override and confirm rated performance before returning the robot to production.

This workflow is applicable to all IRB6600 payload variants and is compatible with IRC5 controller firmware versions currently supported by ABB. For legacy installations running S4C+ controllers, consult KNMKS technical support for compatibility guidance.

Spare Parts Support FAQ

Q1: Is the 3HAC024144-001 compatible with all IRB6600 variants?
The 3HAC024144-001 is the standard Axis 6 servo motor for the IRB6600 series, covering the 175/2.55 and 200/2.75 payload configurations. Compatibility with specific robot serial number ranges can be confirmed by providing your robot’s serial number to KNMKS prior to order. We cross-reference against ABB’s spare parts documentation to ensure exact fitment.

Q2: What pre-shipment testing is performed on each unit?
Every 3HAC024144-001 dispatched from KNMKS stock undergoes electrical continuity testing on all motor phase windings, insulation resistance measurement (minimum 100 MΩ at 500 VDC), and resolver signal output verification. A test record is available on request and accompanies the unit on shipment.

Q3: What does the support terms confirmed by quotation cover?
The support terms confirmed by quotation cover manufacturing defects and component failure under normal operating conditions as defined by ABB’s installation and operating manual for the IRB6600. It does not cover damage resulting from incorrect installation, mechanical overload, or operation outside rated parameters. Support requests are processed directly through KNMKS; replacement units are dispatched from stock to minimise downtime.

Q4: Can KNMKS support long-term supply for multi-robot fleets?
Yes. KNMKS maintains forward stock of the 3HAC024144-001 and can support blanket purchase orders and scheduled delivery programmes for customers managing large IRB6600 fleets. For annual maintenance contracts or spare parts kitting programmes covering multiple ABB robot models, contact our technical sales team to discuss inventory reservation and pricing arrangements.

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Product Identification

Brand / Ecosystem

ABB
ABB

Model / Series

3HAC024144-001
IRC5 Series

Product Family

Servo Systems

Availability Status

Available on request after model and quantity confirmation

Inquiry Type

B2B RFQ, replacement inquiry and project spare-part request

Pre-Quote Check

Exact SKU, brand, series, quantity, nameplate photos and destination country are checked before quotation

Specification & Inquiry Focus

Motion range

Servo drives, motors and cable sets

Common needs

Power, encoder and brake confirmation

Project support

Motion upgrade and spare-part supply

Inquiry Support

• Motor, drive and cable set coordination
• Power rating and encoder type checking
• Motion control replacement support

What to Send Us

• Brand and exact model number: ABB 3HAC024144-001
• Quantity and required delivery time
• Application, replacement requirement or nameplate photo
• Destination country and shipping preference