ABB 3HAC057549-004 – Rotary AC Servo Motor with Pinion | IRB6650S Robot Platform
Engineering Background
The ABB IRB6650S is a shelf-mounted, high-payload industrial robot designed for spot welding, material handling, and press-tending applications in automotive and heavy manufacturing environments. Its axis drive system relies on precision AC servo motors to deliver the torque density, positional accuracy, and thermal stability demanded by 24/7 production cycles.
Product Positioning
Part number 3HAC057549-004 is the OEM rotary AC servo motor with integrated pinion gear for the IRB6650S axis drive train. This unit is a direct factory-replacement component sourced through ABB’s authorized supply chain, ensuring full compatibility with ABB IRC5 controller firmware and SafeMove safety modules. Konmask.com stocks this part to support MRO procurement teams requiring short lead times and traceable documentation.
Complete Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 3HAC057549-004 |
| Compatible Robot | ABB IRB6650S Series |
| Motor Type | Rotary AC Servo Motor |
| Drive Interface | Integrated Pinion Gear |
| Manufacturer | ABB Robotics |
| Product Family | IRB6650S Axis Drive Components |
| Controller Compatibility | ABB IRC5 |
| Weight | 1,040 g (approx.) |
| Country of Origin | Sweden / EU (ABB OEM) |
| Condition | New / Refurbished (specify on inquiry) |
| HS Code | 8501.52 (AC motors, multi-phase, 750W–75kW) |
Proven Application Environments
- Automotive Body-in-White: Spot welding lines requiring high-cycle axis repeatability (<±0.07 mm)
- Press Tending: High-payload shelf-mounted configurations with continuous duty cycles
- Material Handling: Heavy part transfer in stamping and casting facilities
- Foundry & Harsh Environments: IP-rated enclosures compatible with IRB6650S protection variants
- MRO & Planned Maintenance: Direct swap replacement to minimize robot downtime during scheduled overhauls
Engineering Advantages
- OEM Pinion Integration: Factory-matched gear geometry eliminates backlash deviation introduced by aftermarket substitutes
- Thermal Management: Winding insulation class rated for sustained high-duty operation in enclosed robot arm cavities
- Encoder Compatibility: Pre-calibrated resolver/encoder interface aligns with IRC5 drive unit without re-parameterization
- Torque Consistency: Maintains rated torque output across full speed range, critical for path accuracy in welding applications
- Drop-in Replacement: Identical mounting footprint and connector pinout to original factory-installed unit
System Architecture & Signal Flow
Within the IRB6650S kinematic chain, the 3HAC057549-004 motor receives PWM drive signals from the IRC5 axis computer via the drive unit module. The integrated pinion meshes directly with the axis gearbox input stage, converting motor torque to joint rotation. Feedback is routed through the resolver/encoder back to the IRC5 measurement board, closing the position and velocity control loops. SafeMove monitors axis velocity and position limits in parallel, requiring no additional hardware modification when replacing this motor.
Sourcing & Quality Verification
- Traceability: Each unit ships with manufacturer serial number and batch documentation
- Inspection: Pre-shipment functional check against ABB acceptance criteria
- Packaging: Anti-static, shock-resistant packaging with desiccant for international freight
- Certification: CE marked; compliant with Machinery Directive 2006/42/EC
- Warranty: 12-month limited warranty against manufacturing defects (terms on request)
Procurement Process
- Submit RFQ via support@konmask.com with robot serial number and axis reference
- Receive stock confirmation, lead time, and formal quotation within 1 business day
- Issue PO against proforma invoice; payment via T/T, PayPal, or trade credit
- Shipment via DHL Express / FedEx with full tracking and export documentation (CO, packing list, commercial invoice)
- Post-delivery technical support available for installation verification
Technical FAQ
Q: Is 3HAC057549-004 compatible with IRB6650S-125/3.5 and IRB6650S-200/2.75 variants?
A: Compatibility depends on the specific axis assignment. Please provide your robot model suffix and axis number when submitting your RFQ for confirmation.
Q: Can this motor be used with an IRC5 Compact controller?
A: Yes, provided the drive unit firmware version supports the IRB6650S axis configuration. Confirm firmware revision before installation.
Q: Is re-calibration required after replacement?
A: A fine calibration routine via RobotStudio or the FlexPendant is recommended after motor replacement to restore optimal path accuracy.
Q: Do you supply the mating gearbox or axis 1–6 rebuild kits?
A: Yes. Contact us with your full BOM requirements for a consolidated quotation on IRB6650S drivetrain components.
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