Category Overview
Heavy-duty welding robots execute high-payload structural fabrication requiring continuous deposition rates. Operating in harsh environments, these systems integrate rigid mechanical arms, high-precision reducers, and heavy-amperage welding packages to process thick plates (10 mm to 100+ mm) for construction machinery, shipbuilding, and energy infrastructure.
Unlike general handling units, these robots feature reinforced wrists to support heavy torch cable packages, water-cooling assemblies, and laser tracking sensors without dynamic deflection.
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![Heavy-Duty MIG Welding Robot]()
Heavy-Duty MIG Welding RobotThe Chuanglida Intelligent Equipment Heavy-Duty MIG Welding Robot integrates a cast-steel articulated arm and high-torque AC servo drives for continuous multi-shift operation in thick-plate... -
![Heavy-Duty Structural Steel Welding Robot]()
Heavy-Duty Structural Steel Welding RobotHeavy structural steel fabrication requires consistent penetration and deposition across thick plates and complex multi-pass joints. This robotic system integrates a high-payload articulated arm... -
![Long-Reach Heavy-Duty Welding Robot]()
Long-Reach Heavy-Duty Welding RobotThe Boruntes Long-Reach Heavy-Duty Welding Robot is engineered for structural fabrication requiring extended operational envelopes and high duty cycles. Built with a rigid cast-iron-aluminum... -
![50kg Heavy-Duty Welding Robot]()
50kg Heavy-Duty Welding RobotTheChuanglida Intelligent Equipment BRT-BR-5000 is a 6-axis industrial heavy-duty welding robot featuring a 50kg payload capacity and a 2,015mm maximum reach, engineered for high-precision arc... -
![30kg Heavy-Duty Welding Robot]()
30kg Heavy-Duty Welding RobotThe BR-30HW is a 6-axis articulated industrial robot engineered for high-duty-cycle arc welding requiring a 30kg payload capacity. Built for heavy-plate fabrication and complex structural welding,... -
![20kg Heavy-Duty Welding Robot]()
20kg Heavy-Duty Welding RobotThe BR-20HD is a 6-axis articulated industrial manipulator engineered for continuous arc welding under shop-floor conditions. Featuring a cast-aluminum alloy arm and harmonic drives, it handles...
Product Range
|
Model |
Payload (kg) |
Max Reach (mm) |
Axes |
Primary Application |
|
BRT-HW1800 |
180 kg |
2,850 mm |
6 |
Medium-to-heavy structural steel, excavator arms |
|
BRT-HW2500 |
250 kg |
3,100 mm |
6 |
Large boom fabrication, earthmoving chassis |
|
BRT-HW350 |
350 kg |
3,400 mm |
6 |
Ship hull sections, thick-plate pressure vessels |
|
BRT-Gantry-HW |
500+ kg |
Custom (Gantry) |
6 + Track |
Wind tower sections, ultra-long railway girders |
Key Features
Rigid Arm Dynamics
FEA-optimized castings maintain tool-center-point (TCP) stability under payloads up to 350 kg.
Through-Arm Routing
Internal hollow wrist prevents cable snagging and physical wear during continuous contouring.
Adaptive Seam Tracking
Real-time laser vision integration compensates for thermal distortion and joint fit-up variations.
Thermal Endurance
Axis motors feature class H insulation and forced-air cooling to resist radiant heat from continuous heavy-amperage processes.
Applications
Earthmoving & Construction Machinery
Excavator booms, loader frames, and hydraulic cylinder mounts using pulse MIG.
Shipbuilding & Marine Engineering
Longitudinal stiffeners, deck panel sub-assemblies, and thick-plate hull blocks.
Energy & Pressure Vessels
Circumferential and longitudinal seams for wind towers, boilers, and heavy-walled storage tanks.
Railway & Rolling Stock
Bogie frame fabrication and structural underframe welding.
Optional Equipment & Integration
Welding Power Sources
Compatible with Lincoln Electric, Fronius, Miller, and Megmeet digital inverters (500 A to 600 A pulsed MIG/MAG, FCAW, SAW).
External Axis Synchronization
Integration kits for 1-axis to 3-axis servo positioners, headstock-tailstock turntables, and traveling gantry tracks up to 30 meters.
Seam Tracking Sensors
Arc-sensor modules for TAST root gap tracking and 3D laser vision scanners for joint pre-inspection.
Torch Maintenance
Automatic reamers with anti-spatter fluid injection and wire cutting units.
Customization
Reach Extension
Custom vertical and horizontal risers for oversized workpieces.
Specialized End-Effectors
Pneumatic or hydraulic torch clamps for tandem welding or narrow-gap TIG applications.
Software Integration
Customized PLC ladder logic, safety zone interlocks, and HMI screens tailored to existing factory SCADA architecture.
Manufacturing & Quality Control
Machining Precision
Arm castings machined on 5-axis CNC boring mills (DMG Mori / Mazak) in temperature-controlled rooms; mounting face parallelism within 0.01 mm.
Gear Inspection
100% gear tooth contact pattern verification and backlash measurement via Klingelnberg analytical testing equipment.
Stress Relieving
Weldments and structural bases undergo thermal annealing prior to finish machining to eliminate residual stresses.
Burn-In Testing
72-hour continuous dry-run test under maximum rated payload and temperature monitoring prior to factory sign-off.
Standards & Safety
CE Compliance
Certified to Machinery Directive 2006/42/EC and EMC Directive 2014/30/EU.
Electrical Safety
Control cabinets built to NFPA 79 and IEC 60204-1 with dual-channel safety PLC architecture (Cat. 4, PL e / SIL 3).
Weld Quality Standards
Supports procedure qualification records (PQR) compliant with AWS D1.1, ISO 15614, and EN 1090.
Product Selection Guide
Calculate Dynamic Load: Sum the mass of the welding torch, cable assembly, anti-collision sensor, and wire feeder; ensure total mass remains 15% below rated payload.
Determine Envelope: Map the maximum reach from Axis 1 centerline to the furthest weld joint, accounting for positioner clearance.
Select Power Source: Match welding amperage to plate thickness (500 A for plates < 25 mm; 600 A+ water-cooled for continuous thick-plate FCAW/SAW).
Define Workcell Layout: Determine requirements for fixed positioners versus integrated gantry-track configurations.
FAQ
As one of the most professional heavy-duty welding robots manufacturers and suppliers in China, we also support customized service. Please feel free to buy discount heavy-duty welding robots in stock here from our factory. For price consultation, contact us.
