RB3-730
RB3-730
Ultra-precision lightweight collaborative robot for small process automation.
- ultra light
- Specialized in precision work
- Small space optimization
- carrying capacity
- 3kg/6.6lbs
- reach
- 730mm/28.7in
- Repeatability
- ±0.05mm
Optimized for small and short-distance work
Ultra-light collaborative robot
RB3-730 is a compact collaborative robot for 3kg lightweight processes.
It is easy to install even in narrow work spaces and is suitable for precision assembly, inspection, and experiment automation processes.
The S-Pipe joint structure provides excellent contour tracking.
It provides ±0.05mm repeatability, maintaining high quality even in tasks that require precise trajectories.
Light weight (11 kg) makes it suitable for use in laboratories, test equipment, small automation cells, etc.
This is a representative small collaborative robot that provides quick installation and scalability.
Key Features
Key Features
slim
Ø128 mm slim body and 11kg lightweight structure
It is easy to install and easy to move and install even in narrow spaces.
S-Pipe joint structure for precision work
The S-pipe type joint arrangement provides excellent contour tracking.
It is suitable for high-precision work such as welding, bonding, and precision assembly with a repeatability of ±0.05 mm.
3 kg load optimization design
Optimized for lightweight task-oriented processes (pick and place, dispensing, testing, inspection, etc.)
Provides high work efficiency in the electronics, biotechnology, and IT industries.
Robust and safe body structure
Lightweight and durable through the optimal combination of aluminum, steel, and engineering plastic
We have secured all of them, and have met the IP54 rating as well as TÜV SÜD·CE·KC·ISO 10218-1·ISO TS 15066 certification.
User-friendly control system
It supports stable operation by adopting the Linux-based real-time ROS operating system.
The tablet UI allows for intuitive teaching and quick process settings. It also supports collision detection/gravity compensation functions and OTA updates.
Wide scalability
Supports M8/M10 tool I/O connectors (12/24 V, 2 A), 5 m cable supplied as standard,
Compatible with a variety of third-party equipment, including grippers, sensors, pneumatic equipment, PLC, and HMI.
slim
Ø128 mm slim body and 11kg lightweight structure
It is easy to install and easy to move and install even in narrow spaces.
S-Pipe joint structure for precision work
The S-pipe type joint arrangement provides excellent contour tracking.
It is suitable for high-precision work such as welding, bonding, and precision assembly with a repeatability of ±0.05 mm.
3 kg load optimization design
Optimized for lightweight task-oriented processes (pick and place, dispensing, testing, inspection, etc.)
Provides high work efficiency in the electronics, biotechnology, and IT industries.
Robust and safe body structure
Lightweight and durable through the optimal combination of aluminum, steel, and engineering plastic
We have secured all of them, and have met the IP54 rating as well as TÜV SÜD·CE·KC·ISO 10218-1·ISO TS 15066 certification.
User-friendly control system
It supports stable operation by adopting the Linux-based real-time ROS operating system.
The tablet UI allows for intuitive teaching and quick process settings. It also supports collision detection/gravity compensation functions and OTA updates.
Wide scalability
Supports M8/M10 tool I/O connectors (12/24 V, 2 A), 5 m cable supplied as standard,
Compatible with a variety of third-party equipment, including grippers, sensors, pneumatic equipment, PLC, and HMI.
Specifications
| carrying capacity | 3kg |
|---|---|
| reach | 730mm |
| Repeatability | ±0.05mm |
| Installation area | Ø128mm / No direction restriction |
| texture | Aluminum, plastic, steel |
| tool output | M8 8-pin connector 2EA (12/24V, ~2A) |
| Cable length (robot arm) | 5m |
| weight | 11kg |
| Usage environment | IP54 / 0~50°C |
| power consumption | Approximately 100W when standard program is applied |
| noise | 60dB(A) or less |
| Driving range | J1: ±360° ±180°/sJ2: ±360° ±180°/sJ3: ±150° ±180°/sJ4: ±360° ±180°/sJ5: ±360° ±360°/sJ6: ±360° ±360°/s |
hand controller
The collaborative robot RB series comes with a hand controller. Users can use the function buttons on the hand controller by assigning desired functions.
Collaborative robot operating system (SW)
It is a self-developed software that improves user convenience and is integrated with core hardware to provide high efficiency.
View Details
Small robot control box CB07
The robot control box is a device that controls the movement of the robot arm according to a program written by the user.
| Specification Item | Specification Value |
|---|---|
| I/O Ports | Digital Input: 16 (PNP) Digital Output: 16 (PNP) Analog Input: 4 (0–10 V) Analog Output: 4 (0–10 V) USB (4 ports), LAN (RJ45, 1 port) Ethernet (TCP/IP, MODBUS TCP, Control Script) Siemens S7, OMRON FINS, Mitsubishi MC, EtherNet/IP, PROFINET, OPC UA, etc. Dedicated I/O expansion module available |
| Power | 100–240 V AC, 50–60 Hz, single phase |
| Dimensions | 420 × 232 × 173.5 mm: Controller 460 × 232 × 173.5 mm: With handle |
| Weight | 8.3 kg |
| Material | SUS 304 |
| Certified Models | RB3-730, RB6-920 |
| Compatible Models | All models |
Teaching Pendant
You can easily program collaborative robots using the Rainbow Robotics teaching pendant device.
Dedicated I/O expansion module
If more I/O ports are needed, the number of input/output ports can be expanded without other equipment such as a PLC through a dedicated I/O expansion module.
| Specification Item | Specification Value |
|---|---|
| I/O Ports | Digital Input: 16 (PNP) Digital Output: 16 (PNP) Analog Input: 4 (0–10 V) Analog Output: 4 (0–10 V) |
| Power | 100–240 V AC, 50–60 Hz |
| Dimensions | 403 × 313 × 110 mm |
| Weight | 500 g |
| Material | Aluminum |
| Notes | Specifications are subject to change without notice for product improvement. |
Download
Downloads
| Select | Product | Resource type | Resource details | Download link |
|---|---|---|---|---|
| RB Series Collaborative Robots | Catalog | RB Series Catalog Catalog | ||
| Technical Data | RB Series Manual Manual |
A proven automation partner across diverse industries
- Semiconductor & Electronics
- Shipbuilding & Heavy Industry
- Healthcare
A proven automation partner across diverse industries
