Which Welding Robot Fits H-Columns and Crane Beams?
Honglu’s HLZZHJ-R-QJLX-12 rail-guided workstation is the dedicated welding robot for H-columns, roof beams, crane beams, and long structural members. The system combines a QJR6-2000 six-axis robot, a 12,000 mm ground rail, and a Megmeet Dex2 500MPR intelligent water-cooled pulsed welder. Honglu deploys 2,000 units inside its own plants, proving the floor-mounted rail-guided robot welding workstation on flat right-angle, flat folded-angle, vertical fillet, and full-penetration welds before external delivery.
What Specifications Define the Rail Welding System?
The HLZZHJ-R-QJLX-12 workstation is defined by verified motion, power, and sensing data from Honglu’s production catalogue.
| Item | Verified data |
|---|---|
| Workstation model | HLZZHJ-R-QJLX-12 |
| Robot body | QJR6-2000 |
| Robot reach | 2,014 mm |
| Ground rail | 12,000 mm |
| Effective stroke | 10,630 mm |
| Payload | 6 kg |
| Repeatability | +/-0.08 mm |
| Power supply | Megmeet Dex2 500MPR |
| Vision | Mingtu/Weijing laser sensor |
This configuration anchors Honglu’s automated welding systems around model import, one-click start, and production-scale welding repeatability.
How Does Model Import Remove Manual Path Teaching?
Model import removes manual path teaching by converting STEP, IGS, or IFC geometry into weld seams, trajectories, and collision-checked motion. Honglu develops the operating system, robot controller, point-cloud algorithms, and vision stack in-house, so the welding software runs on a PC and controls equipment over TCP/IP. The model-driven mode extracts seams, matches parameters, and plans the path before welding. This workflow makes automated robotic welding practical for steel structures modeled in Tekla Structures by Honglu’s 1,000-plus detailing engineers.
Which Weld Types Does the Workstation Cover?
The workstation covers structural welds that repeat across heavy steel fabrication: flat right-angle welds, flat folded-angle welds, vertical fillet welds, and full-penetration welds. Honglu’s process library supports DC gas-shielded arc, pulsed welding, wire contact positioning, laser non-contact positioning, laser scanning, arc tracking, arc-break restart, intermittent welding, and fish-scale welding. For thick box columns and submerged-arc passes, Honglu routes the adjacent process to the submerged arc welding robot, keeping MAG and SAW automation inside one manufacturing system.
Why Does Manufacturer-Operator Scale Matter?
Manufacturer-operator scale matters because Honglu validates welding automation inside a steel-structure business exceeding 5 million tons of annual capacity. Honglu is not a generic robotic integration company; HOLU Technology builds robots for Honglu factories first, with 2,000-plus welding robots operating 24/7. The same plants work under ISO 9001, ISO 14001, ISO 45001, AISC, EN 1090-1, EN 1090-2, ISO 3834, UKCA, GOST-R, and CIDB/CPA & IBS frameworks. That operating base grounds every welding robot claim in production use.