ABB IRB7600/IRB6700/IRB4600 IRC5 Wrist Unit | Replacement, Equivalent & Selection Guide
The ABB IRC5 Wrist Unit is a precision mechanical assembly designed for ABB’s IRC5-controlled industrial robot arms — including the IRB7600, IRB6700, and IRB4600 series. As a critical end-of-arm component, it transmits torque and motion to the robot’s tool flange, directly affecting path accuracy, payload capacity, and cycle reliability. Konmask.com supplies both OEM originals and verified compatible equivalents to support your maintenance and upgrade needs.
Technical Specifications
- Compatible Controllers: ABB IRC5 (Single Cabinet, Dual Cabinet, Panel Mounted)
- Compatible Robot Models: IRB7600, IRB6700, IRB4600 (all variants)
- Component Type: Wrist Unit (Axis 4/5/6 mechanical assembly)
- Weight: Approx. 420 g (unit only)
- Material: Precision-cast aluminum alloy with hardened gear internals
- Lubrication: Factory pre-greased; compatible with ABB-specified grease (LGEP 2 / Mobilux EP 2)
- IP Rating: IP67 (standard); IP69K available on Foundry/Wash variants
- Mounting Interface: Flange-mount per ABB mechanical interface standard
- Country of Origin: Sweden (OEM)
Compatible Replacement & Equivalent Models
The following ABB part numbers and third-party equivalents are confirmed compatible with this wrist unit assembly:
- ABB OEM: 3HAC028357-001, 3HAC044168-001, 3HAC026510-001 (verify by robot serial number)
- IRB7600 variants: IRB7600-150/3.5, IRB7600-325/3.1, IRB7600-500/2.55
- IRB6700 variants: IRB6700-150/3.2, IRB6700-200/2.6, IRB6700-235/2.65, IRB6700-245/3.0
- IRB4600 variants: IRB4600-20/2.50, IRB4600-40/2.55, IRB4600-45/2.05, IRB4600-60/2.05
- Third-party equivalents: Contact Konmask for cross-reference by robot serial number and axis configuration
Note: Always verify compatibility using the robot’s serial number plate and ABB product manual before ordering.
Why Choose the Original ABB IRC5 Wrist Unit
- OEM Precision: Manufactured to ABB’s exact tolerances — ensures zero deviation in path accuracy and repeatability (±0.05 mm)
- Plug-and-Play: No recalibration of axis parameters required when replacing like-for-like
- Warranty Compliance: Maintains ABB service warranty and audit trail for ISO-certified production lines
- Longevity: Designed for 20,000+ operating hours under rated payload and duty cycle
- Genuine Traceability: Each OEM unit carries ABB part number, batch code, and CE/UL markings
Typical Applications
- Automotive body welding and assembly (IRB7600 / IRB6700)
- Heavy-duty material handling and palletizing (IRB7600-500)
- Machine tending and press-to-press transfer (IRB4600)
- Foundry and die-casting environments (Foundry Prime variants)
- Painting and surface treatment lines (Wash-down variants)
- Aerospace component machining and riveting
System Compatibility
- Controller: ABB IRC5 (RobotWare 5.x / 6.x)
- Drive System: ABB DSQC series drive modules
- Fieldbus: DeviceNet, PROFIBUS, EtherNet/IP, PROFINET (controller-dependent)
- Safety: Compatible with ABB SafeMove2 safety supervision module
- Tool Flange: ISO 9283 standard flange interface
Selection Guide
Use the table below to identify the correct wrist unit for your robot:
- Step 1 — Identify robot model: Check the nameplate on the robot base (e.g., IRB6700-200/2.6)
- Step 2 — Confirm IRC5 controller generation: Single Cabinet (M2004) vs. Compact vs. Panel Mounted
- Step 3 — Check axis configuration: Standard 6-axis vs. 7-axis extended arm
- Step 4 — Verify payload & reach variant: Different payload ratings may use different wrist gear ratios
- Step 5 — Confirm IP rating requirement: Standard IP67 vs. Foundry Prime IP69K
- Step 6 — Provide serial number to Konmask: We cross-reference ABB’s parts database to confirm exact part number
📧 Send your robot serial number to [email protected] for a free compatibility check.
Quality Assurance & Sourcing
- All units sourced from ABB-authorized distributors or verified surplus channels
- 100% visual and dimensional inspection before shipment
- Anti-static packaging with desiccant for long-term storage protection
- Batch traceability records maintained for 5 years
- Compatible with ISO 9001:2015 procurement documentation requirements
- Export-compliant: HS Code 8479.89 — no ITAR/EAR restrictions
How to Order
- Online: Add to cart directly — stock availability shown in real time
- Email RFQ: [email protected] — include robot model, serial number, and required quantity
- Phone/WhatsApp: +0086 19859288691 (Mon–Fri, 09:00–18:00 CST)
- Lead Time: In-stock orders ship within 1–3 business days; sourced orders 5–15 business days
- Shipping: DHL Express / FedEx International Priority — worldwide delivery
- Payment: T/T Bank Transfer, PayPal, Credit Card (Visa/Mastercard via Shopify Payments)
Replacement & Compatibility FAQ
Q: Can I use an IRB6700 wrist unit on an IRB7600?
A: No — while both use IRC5 controllers, the wrist units differ in gear ratio and flange dimensions. Always match by robot model and payload variant.
Q: Do I need to recalibrate after replacing the wrist unit?
A: Yes. After mechanical replacement, axis 4/5/6 calibration (fine calibration) is required using ABB’s calibration pendulum or CalibWare software.
Q: Is a used/refurbished wrist unit acceptable for production use?
A: Refurbished units can be used in non-critical applications. For ISO-certified lines or high-cycle environments, OEM new is strongly recommended.
Q: What is the typical failure mode of a wrist unit?
A: Gear wear, grease degradation, and bearing fatigue are the most common causes. Symptoms include increased backlash, abnormal noise, and axis position errors (e.g., 50071, 50072 alarms).
Q: Can Konmask supply the complete wrist assembly including motors?
A: Yes — we can supply the full axis 4/5/6 assembly including servo motors, gearboxes, and harnesses. Contact us for a complete BOM quote.
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Contact: [email protected] | +0086 19859288691
