KUKA KR8 R1440 arc HW-2

Robot details

The KUKA KR 8 R1440 arc HW‑2 is a 6‑axis industrial robot specifically designed for arc welding applications, combining extended reach, high path accuracy, and optimized welding performance.

With a payload of 8 kg and a reach of 1,440 mm, this robot is ideal for MIG, MAG, and TIG welding processes on medium‑sized components. The ARC HW‑2 configuration is engineered for welding environments, featuring optimized wrist design, protected cabling, and stable motion for continuous welding trajectories.

The robot is controlled by the KUKA KR C5 controller, KUKA’s latest generation control platform, providing high‑performance motion control, advanced welding integration, and modern digital connectivity for automated welding cells.

Arc Welding Motion Concept and Performance

The KR 8 R1440 arc HW‑2 is optimized for continuous path accuracy and smooth motion, which are critical for high‑quality arc welding.

Key motion characteristics include:

• Stable and precise welding trajectories
• Smooth TCP motion for consistent weld seams
• Optimized wrist kinematics for torch orientation
• Reduced vibration during long welding paths
• Reliable performance in continuous duty cycles

The long reach allows efficient coverage of large welding fixtures without repositioning the workpiece.

Controller & Software – KUKA KR C5

The KUKA KR C5 controller represents the latest evolution of KUKA’s industrial robot control technology and is fully suited for robotic arc welding applications.

Controller Highlights:

• High‑performance motion and path control
• Advanced integration with welding power sources
• Compact and modular controller design
• Improved connectivity and Industry 4.0 readiness
• Support for external axes and positioners

The KR C5 ensures precise synchronization between robot motion and welding process parameters, resulting in consistent weld quality.

Robot applications

• Arc welding