Rainbow Robotics RB5 — Specs & Review
Specifications
| Brand | Rainbow Robotics |
|---|---|
| Model | RB5 |
| Year | 2020 |
| Category | Industrial Lite |
| Autonomy | semi-autonomous |
| Environment | indoor |
| Payload | 5 kg |
| Reach | 900 mm |
| Connectivity | EtherCAT, Modbus TCP, Ethernet |
| Country of origin | KR |
Key features
- 6-axis general-purpose collaborative robot
- 5kg payload, 900mm reach
- Integrated joint torque sensing
- ISO/TS 15066 safety compliance
- ±0.05mm repeatability
- KAIST research heritage
What is it?
The Rainbow Robotics RB5 is the core general-purpose model in the RB series, combining 5kg payload with 900mm reach and integrated joint torque sensing. It is the most commonly deployed RB-series model in manufacturing environments.
Who is it for?
Manufacturers and research institutions deploying 5kg collaborative automation for assembly, machine tending, inspection, and material handling. Integrators in Korea and Asian markets seeking a technically differentiated cobot with torque sensing at the UR5e price tier.
Key specs
- Axes: 6
- Payload: 5 kg
- Reach: 900 mm
- Repeatability: ±0.05 mm
- Joint torque sensing: Integrated
- Safety: ISO/TS 15066 compliant
- Mounting: Floor, ceiling, wall
How it compares
The RB5 at 900mm reach is comparable to the Hanwha HCR-5 (915mm) and Universal Robots UR5e (850mm) at 5kg payload. The RB5's torque sensing architecture differentiates it from HCR-5 and UR5e in research and precision assembly contexts.
FAQ
Does the Rainbow Robotics RB5 have torque sensing?
Yes. All RB-series cobots incorporate integrated joint torque sensing, enabling compliant force control and precise force feedback — differentiating Rainbow Robotics from most competing 5kg cobots.
How does the RB5 compare to the Universal Robots UR5e?
The RB5 has comparable 5kg payload and slightly longer reach (900mm vs 850mm). The key differentiator is RB5's integrated torque sensing, which UR5e lacks natively. UR5e has a substantially larger global integrator and peripheral ecosystem.
What applications is the RB5 suited for?
Assembly, machine tending, inspection, pick-and-place, and research applications requiring 5kg collaborative automation with force feedback.