0102030405
Single-Axis Head-Tail Frame Positioner for welding robot
Product Introduction
The Single-Axis Head-Tail Frame Positioner is a robust industrial solution engineered for rotating and positioning long, heavy workpieces with unmatched stability. Featuring dual-end clamping frames (head and tail), this positioner securely grips cylindrical, tubular, or beam-shaped components—such as pipelines, structural girders, and railcar chassis—ensuring 360° continuous horizontal rotation with zero deflection. Designed for industries requiring precise alignment of elongated parts, including shipbuilding, construction machinery, and energy infrastructure, it streamlines welding, coating, and assembly processes while minimizing manual handling risks.
Built with modular expandability, our system adapts to workpiece lengths ranging from 3 meters to 30 meters, supporting loads up to 2000 kg. Compatible with automated welding robots, manual stations, and inspection systems, it delivers consistent performance in demanding environments.



Key Features
Dual-End Clamping Stability
Synchronized Head & Tail Drives: Two independently adjustable frames with hydraulic/pneumatic clamps prevent workpiece deformation.
Auto-Centering Function: Aligns long components (e.g., wind turbine shafts) effortlessly with ±1 mm accuracy.
Heavy-Duty Construction
Reinforced steel base and hardened gears withstand high torsional forces and vibrations.
Corrosion-resistant coatings for use in humid or abrasive environments (e.g., offshore platforms).
Precision Rotation Control
Adjustable Speed Ranges: 0.05–1.2 RPM (constant torque even at low speeds).
Encoder Feedback System: Ensures ±0.1° angular repeatability for critical weld joints.
Automation-Ready Integration
PLC/CNC Compatibility: Seamless communication with welding robots via Profibus or Ethernet/IP.
Pre-programmed rotation cycles for batch processing of identical workpieces.
Safety & Maintenance Efficiency
Emergency stop buttons, overload sensors, and anti-slip clamping surfaces.
Lubrication-free bearings and sealed drive units reduce downtime.
Applications
Shipbuilding: Rotating hull sections and propeller shafts for circumferential welding.
Energy Infrastructure: Positioning wind tower segments, heat exchangers, and LNG pipelines.
Railway Manufacturing: Clamping and rotating bogie frames for assembly.
Steel Fabrication: Handling I-beams and H-columns during robotic welding.
Why Choose Our Head-Tail Positioner?
Scalable Length: Extendable frames adapt to growing production needs.
Reduced Setup Time: Quick-adjust clamps accommodate diverse workpiece diameters.
24/7 Reliability: Built for continuous operation in high-volume facilities.
Technical Parameters
Model | Capacity (kg) | Size (mm) |
WELD-4030A-180 | 300 | 1800*800*90 |
WELD-4030A-220 | 2200*800*90 | |
WELD-4030A-250 | 2500*800*90 | |
WELD-4050A-180 | 500 | 1800*780*90 |
WELD-4050A-220 | 2200*800*90 | |
WELD-4050A-250 | 2500*800*90 | |
WELD-4100A-180 | 1000 | 1800*800*110 |
WELD-4100A-250 | 2500*800*110 | |
WELD-4200A-250 | 2000 | 2500*1000*160 |

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