Real-Time Seam-Tracking Unit for ABB Arc-Welding Robots
Specifications
| Product Category |
ABB Robot Welding Spare Parts — Seam-Tracking / Weld Guidance |
| Brand |
ABB |
| Product Name |
Weldguide III Advanced |
| Part Number |
3HAC038457-002 |
| Type Designation |
CWT |
| Manufacturer P/N |
T3A5078-ADV |
| Function |
Real-time seam / joint tracking for robotic arc welding — guides the robot along the weld path. |
| Applicable Controller |
ABB IRC5 controller welding systems (per ABB product placement). |
| Net Weight |
0.18 kg |
| Customs Tariff Number |
85159080 |
| Part Type |
New |
| Frame Size |
Spare_Parts |
| Detailed Technical Parameters |
We confirm the detailed technical parameters for your unit before supply — send us the part number and the machine it came from. |
Industrial Applications
- Robotic arc welding where the part or fixture position varies and the weld must stay in the joint.
- Automotive body, chassis and sub-assembly welding with high repeatability requirements.
- Heavy-fabrication and general metal-joining cells needing adaptive path correction.
- Rework reduction on welded assemblies by keeping the torch on the seam automatically.
Design Purpose
This is the tracking brain of ABB's Weldguide III Advanced welding-guidance system — not a generic welding controller. In real production the workpiece and its fixture are never perfectly where the taught program assumes, so a fixed path drifts off the seam and produces defects. The unit reads the joint in real time and corrects the robot path on the fly, which is what keeps weld quality consistent without re-teaching every part.
Because it is tied to the IRC5 welding architecture and its software options, the unit is a configured spare rather than a plug-and-play module. Selection has to match the installed welding package and controller option set, so the right part and the right software must be confirmed together — not just the enclosure or the article number on the label.
Fit & integration check: Confirm the IRC5 controller model and the installed welding package / RobotWare options before ordering — Weldguide options differ by configuration. Back up the welding programs and any tracking calibration before swapping the unit. Verify the interface, cabling and connector arrangement on arrival, and commission against ABB's Weldguide procedure rather than assuming it is a generic module. Do not interchange CWT generations without checking which item your system specifies (related part 3HAC057092-002 is also listed — confirm the correct one with us).
Common Failure Modes
- Tracking lost / seam not found — usually poor joint visibility, spatter or contamination on the sensor, not the unit alone.
- Path misalignment or oscillation — calibration drift or incorrect tracking parameters.
- Communication / interface error with the IRC5 controller — option, cabling or configuration mismatch.
- Cable or connector damage from weld spatter, heat or repeated flexing in the cell.
- Software / option mismatch after fitting — unit not accepted by the controller.
- Degraded tracking accuracy under varying light, reflectivity or joint geometry.
Why Choose Us
- Genuine ABB Weldguide III Advanced (3HAC038457-002), ABB type designation CWT, manufacturer P/N T3A5078-ADV — the seam-tracking component, not a generic welding module.
- Fit-confirmation support: we verify the IRC5 controller model and welding package / RobotWare options before you buy, because Weldguide items differ by configuration.
- Related-part check: the associated Weldguide item 3HAC057092-002 is also available — tell us which one your system specifies so you do not order the wrong generation.
- Quotation-based supply with condition confirmed before ordering; no stock or dispatch-time promises.
Related Products
-
3HAC057092-002 — associated ABB Weldguide item listed alongside this unit. Confirm with us which part your IRC5 welding configuration requires; the two are not automatically interchangeable.
-
3HAC085590-001 — ABB FlexPendant DSQC3120A (TPU4), the teach pendant used to program and calibrate the welding cell. A confirmed companion interface for setting up and tuning Weldguide on the robot.
