ABB 3HAC057981-003 – Cover AX4 with Sealing | IRC5 / IRB Robot Series
The ABB 3HAC057981-003 is an OEM-grade protective cover assembly with integrated sealing, engineered specifically for the AX4 axis joint of ABB IRC5-controlled industrial robots. Sourced directly from verified ABB supply channels, this component ensures structural integrity, ingress protection, and long-term mechanical reliability in demanding production environments.
Product Positioning: Designed for maintenance engineers and procurement teams managing ABB IRB robot fleets. This cover assembly is a direct OEM replacement that eliminates compatibility risk and reduces unplanned downtime. Cross-referenced part numbers confirm interchangeability across multiple ABB robot generations.
Complete Technical Specifications
- Primary Part Number: 3HAC057981-003
- Cross-Reference Numbers: 3HAC020929-006 | 3HAC020079-001 | DSQC623 | 3HAC049789-001
- Component Type: Axis 4 (AX4) Protective Cover with Integrated Sealing
- Compatible Platform: ABB IRC5 Controller / IRB Robot Series
- Material: Engineering-grade polymer with gasket sealing
- Ingress Protection: Sealed design for dust and splash resistance
- Weight: 600 g (approx.)
- Condition: New / Refurbished OEM (specify at inquiry)
- Country of Origin: Sweden (ABB OEM)
- Compliance: CE / RoHS compatible
Proven Application Environments
- Automotive body welding and assembly lines (IRB 6600 / IRB 6700 series)
- Foundry and die-casting environments requiring sealed robot joints
- Food & beverage processing with washdown requirements
- Electronics manufacturing with cleanroom-adjacent robot cells
- Palletizing and material handling with high-cycle AX4 articulation
- Preventive maintenance overhaul programs for ABB IRC5 robot fleets
Engineering Advantages
- OEM Dimensional Accuracy: Precision-molded to ABB factory tolerances — no fitment adjustment required
- Integrated Sealing: Pre-installed gasket eliminates field sealing errors and reduces assembly time
- Multi-Generation Compatibility: Single SKU covers five cross-reference part numbers, simplifying BOM management
- Ingress Protection: Sealed cover prevents lubricant contamination and particulate ingress at AX4 joint
- Drop-In Replacement: No firmware or calibration changes required post-installation
- Reduced MTTR: Standardized OEM part accelerates maintenance turnaround vs. non-OEM alternatives
System Architecture & Signal Flow
The AX4 axis on ABB IRC5 robots is the fourth degree of freedom in the kinematic chain, responsible for wrist rotation. The 3HAC057981-003 cover assembly encapsulates the AX4 joint housing, protecting the internal motor, resolver, and gearbox from environmental exposure. The integrated sealing interfaces directly with the robot arm casting, maintaining IP-class protection without additional field-applied sealants. Proper installation preserves the robot’s rated IP54 (or higher) protection class as specified in the IRB product documentation.
Sourcing & Quality Verification
- Source: Authorized ABB spare parts distribution network and verified secondary market
- Inspection: Each unit inspected for dimensional conformance, sealing integrity, and surface condition prior to dispatch
- Traceability: Part number and batch markings verified against ABB spare parts catalog
- Packaging: Anti-static, moisture-barrier packaging with part number label
- Warranty: 90-day quality guarantee on all shipped units
Procurement Process
- Step 1: Confirm part number against your robot’s serial number and axis configuration
- Step 2: Submit inquiry via support@konmask.com or place order directly
- Step 3: Receive proforma invoice with lead time confirmation (typically 3–7 business days)
- Step 4: Payment via T/T, PayPal, or agreed trade terms
- Step 5: Dispatch with tracking number and packing list; DHL / FedEx / UPS available
- Step 6: Post-delivery technical support available via email or WhatsApp
Technical FAQ
Q: Is 3HAC057981-003 compatible with IRB 6700?
A: Yes. This cover is used across multiple IRB platforms sharing the IRC5 controller architecture. Confirm via your robot’s spare parts manual (3HAC028357-001 or equivalent).
Q: What is the difference between 3HAC057981-003 and 3HAC020929-006?
A: These are cross-reference part numbers representing the same functional component across different ABB catalog revisions. Both refer to the AX4 cover with sealing assembly.
Q: Can I install this without an ABB service engineer?
A: The cover is a mechanical replacement requiring standard torque tools. However, ABB recommends qualified personnel for all robot maintenance. Konmask can provide installation documentation upon request.
Q: Do you provide a certificate of conformance?
A: Yes. A quality inspection report is available upon request for all orders.
Q: What is the lead time for bulk orders?
A: Standard stock: 3–5 business days. Bulk or special configurations: 7–15 business days. Contact us for volume pricing.
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