Racer-12 Arc: High-Precision Industrial Robot for Arc Welding
The Comau Racer-12 Arc is a high-speed, 6-axis articulated industrial robot for arc welding applications. Built with a 12 kg payload capacity and an optimized 1,400+ mm reach, it delivers maximum throughput, path accuracy, and weld quality in high-duty cycle metal fabrication environments.
Precision Meets Speed in Automated Arc Welding
The Racer-12 Arc is engineered to address the rigorous demands of automated joinery. By combining best-in-class acceleration profiles with exceptional structural rigidity, this manipulator minimizes cycle times while guaranteeing repeatable, high-precision welds.
Whether integrating into existing production lines or deploying dedicated weld cells, the Racer-12 Arc offers the physical reach, stability, and speed needed to turn welding bottlenecks into high-margin throughput.
Technical specifications Racer-12-1.4 Arc
| Number of axes | 6 |
| Maximum wrist payload (Kg) | 10 |
| Additional load on forearm (Kg) | 10 |
| Maximum horizontal reach (mm) | 1436 |
| Torque on axis 4 (Nm) | 28 |
| Torque on axis 5 (Nm) | 28 |
| Torque on axis 6 (Nm) | 16 |
| Stroke (Speed) on Axis 1 | +/- 165° (220 °/s) |
| Stroke (Speed) on Axis 2 | -85°/ +155° (220 °/s) |
| Stroke (Speed) on Axis 3 | 0°/ -168° (240 °/s) |
| Stroke (Speed) on Axis 4 | +/- 210° (410 °/s) |
| Stroke (Speed) on Axis 5 | +/- 135° (250° /s) |
| Stroke (Speed) on Axis 6 | +/- 2700° (405° /s) |
| Repeatability (mm) | 0.05 |
| Tool coupling flange | ISO 9409 – 1 – A 40 |
| Robot weight (Kg) | 180 |
| Protection class | IP54 |
| Mounting position | Floor |
Key Performance Advantages
Optimized Payload & Reach: Handles heavy-duty torches and seam-tracking sensors effortlessly with its 12 kg payload capacity and extended 1,400+ mm radial reach.
Best-in-Class Dynamics: Advanced trajectory control and fast acceleration profiles reduce point-to-point transit time, maximizing arc-on time across complex geometric paths.
Structural Rigidity: Built to withstand high-duty cycles and suppress mechanical vibrations, ensuring smooth TCP (Tool Center Point) movement and consistent weld bead profiles.
Universal Controller Compatibility: Integrates seamlessly with leading arc welding power supplies, digital communication protocols, and offline programming (OLP) platforms.
Ideal Welding Applications & Industries
The versatility of the Racer-12 Arc makes it an ideal robot for arc welding across demanding manufacturing sectors:
Compatible Welding Processes
- GMAW (MIG/MAG): Gas Metal Arc Welding for structural steel, aluminum, and stainless assemblies.
- GTAW (TIG): Gas Tungsten Arc Welding requiring ultra-smooth, stable TCP trajectory.
- Flux-Cored Arc Welding (FCAW): High-deposition welding for heavy steel plate fabrication.
- Laser-Arc Hybrid: High-speed joining combining deep penetration with gap bridgeability.
Primary Industry Deployments
- Automotive Sub-Assemblies: Exhaust systems, chassis components, cross-car beams.
- Heavy Machinery & Earthmoving Equipment: Structural frames, boom arms, and brackets.
- General Industrial Fabrication: Tanks, pressure vessels, enclosures, and structural tubing.
Arc Welding Ecosystem
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