ABB 3HAC031958-004 Reduction Gear – Precision Axis Gearbox | IRB 4600 Robot Platform
Engineering Background: The ABB IRB 4600 is a high-performance industrial robot widely deployed in automotive body-in-white welding, material handling, machine tending, and arc welding applications. Its axis gearboxes are precision-engineered components that directly determine repeatability, load capacity, and service life of the robot arm. The 3HAC031958-004 (also referenced as 3HAC031958-001) is the OEM-specified reduction gear unit for this platform.
Product Positioning: Konmask.com supplies this gearbox to MRO engineers, robot integrators, and OEM production lines requiring verified, specification-compliant replacement or spare units. All units are sourced through traceable supply channels and subject to incoming inspection before dispatch.
Complete Technical Specifications
- Part Number (Primary): 3HAC031958-004
- Cross-Reference: 3HAC031958-001
- Compatible Platform: ABB IRB 4600 Series Industrial Robot
- Component Type: Precision Reduction Gear / Axis Gearbox
- Manufacturer: ABB Robotics
- Country of Origin: CN (assembled / sourced)
- Gross Weight: ~15 kg
- HS Code: 848340
- Shipping: Physical goods, requires freight
Proven Application Environments
- Automotive body-in-white (BIW) welding lines
- Arc welding and spot welding robot cells
- Material handling and palletizing systems
- Machine tending and press-tending automation
- General industrial robot MRO (maintenance, repair, overhaul)
- Robot refurbishment and remanufacturing workshops
Engineering Advantages
- OEM Part Number Compliance: Exact match to ABB’s original BOM specification — no adaptation required.
- Dual PN Coverage: Covers both 3HAC031958-004 and 3HAC031958-001 references, reducing procurement ambiguity.
- Traceable Supply Chain: Units sourced through documented channels; incoming inspection records available on request.
- Drop-in Replacement: Dimensional and interface compatibility with OEM mounting points — minimizes robot downtime during swap.
- Global Logistics Ready: Packaged for international freight; export documentation available.
System Architecture & Signal Flow
In the IRB 4600 kinematic chain, the reduction gear unit is positioned between the servo motor output shaft and the robot arm link. The gearbox reduces motor speed and amplifies torque at the defined gear ratio, enabling precise angular positioning of the robot axis. The 3HAC031958-004 interfaces directly with ABB’s IRC5 controller-driven servo drive system, receiving motion commands via the motor encoder feedback loop. Correct installation torque, lubrication specification, and backlash setting per ABB service manual (3HAC028284-001 or equivalent) must be observed during replacement.
Sourcing & Quality Verification
- All units undergo visual and dimensional incoming inspection.
- Serial number and date code recorded at receipt.
- Packaging integrity verified prior to dispatch.
- Certificate of conformance (CoC) available upon request for OEM and integrator procurement.
- Units are stored in climate-controlled warehouse conditions.
Procurement Process
- Submit your inquiry with robot serial number and axis reference for confirmation.
- Receive quotation with lead time and freight options within 1 business day.
- Confirm purchase order — payment via T/T, L/C, or platform checkout.
- Dispatch with full shipping documentation (packing list, commercial invoice, CoC).
- Post-delivery technical support available via email or WhatsApp.
Technical FAQ
Q: Is 3HAC031958-004 the same as 3HAC031958-001?
A: These are related part numbers within the same assembly family. Please provide your robot serial number so we can confirm the exact applicable revision for your unit.
Q: What is the lead time?
A: In-stock units ship within 3–5 business days. Ex-stock lead time varies by sourcing region — contact us for current availability.
Q: Do you provide installation support?
A: We provide the ABB service manual reference and can connect you with certified ABB service partners. On-site installation is not included.
Q: Can I return the unit if it does not fit?
A: Returns are accepted within 14 days for unused, unopened units with original packaging. Please contact support@konmask.com before returning.
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