KUKA KR8 R1640 arc HW-2
Robot details
The KUKA KR 8 R1640 arc HW‑2 is a 6‑axis industrial robot specifically designed for arc welding applications, combining extended reach, high path accuracy, and welding‑optimized mechanics for consistent and high‑quality weld results.
With a payload of 8 kg and an extended reach of 1,640 mm, the KR 8 R1640 arc HW‑2 is ideal for MIG, MAG, and TIG welding of medium to large components. The ARC HW‑2 configuration is engineered to withstand harsh welding environments, featuring a reinforced wrist, optimized cable routing, and stable motion control for continuous welding trajectories.
The robot is powered 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 R1640 arc HW‑2 is optimized for smooth continuous path motion, which is essential for arc welding quality and process stability.
Key motion characteristics include:
- High path accuracy for uniform weld seams
- Smooth TCP motion for consistent arc stability
- Optimized wrist kinematics for precise torch orientation
- Reduced vibration during long welding paths
- Reliable performance in continuous welding duty cycles
The extended reach allows large welding fixtures to be processed without frequent repositioning or additional external axes.
Controller & Software – KUKA KR C5
The KUKA KR C5 controller is KUKA’s latest industrial robot controller, designed to support high‑performance robotic welding applications.
Controller Highlights:
- High‑performance motion and path control
- Advanced integration with welding power sources
- Compact, modular controller architecture
- Improved connectivity and Industry 4.0 readiness
- Full support for external axes and welding positioners
The KR C5 ensures precise synchronization between robot motion and welding process parameters, resulting in consistent weld quality and high system reliability.
Robot applications
| Parameter | Specification |
|---|---|
| Robot type | Industrial articulated robot (Arc welding) |
| Axes | 6 |
| Payload | 8 kg |
| Maximum reach | 1,640 mm |
| Application class | Robotic arc welding |
| Mounting options | Floor, wall, ceiling |
| Design | Slim, rigid, welding‑optimized |
| Parameter | Specification |
|---|---|
| Controller | KUKA KR C5 |
| Control software | KUKA System Software (KSS) |
| Welding integration | Supported |
| External axes support | Yes (positioners, turntables) |
| Fieldbus integration | Supported |
| Safety functions | Integrated industrial safety |
