Description
Description
- DOBOT CR20A 6-Axis Collaborative Robot Arm (20kg / 1700mm)
- Integrated EtherCAT servo bus for ultra-fast, synchronized motion control
- Laser-calibrated for absolute positioning accuracy under 0.4 mm
- PLCd Cat.3 safety controller with 20+ built-in safety features
- Electromagnetic brake engages in under 18 ms for drop protection
- 24 DI/DO ports with support for TCP/IP, Modbus, EtherNet/IP, EtherCAT, and PROFINET
- Compatible with DobotStudio Pro (graphical programming, SDKs, ROS support)
- Optimized for palletizing, machine tending, heavy payload handling
The DOBOT CR20A 6-Axis Collaborative Robot Arm (20kg / 1700mm) is the most powerful collaborative robot in Dobot’s CR-A lineup, engineered for demanding industrial automation tasks that require both reach and payload capacity. It delivers fast, precise movement even under heavy loads, thanks to Dobot’s servo-integrated joint architecture and EtherCAT synchronization.

The CR20A has a working radius of 1,700 mm and a maximum payload of 20 kg. With an advanced motion control algorithm, the CR20A operates more stably, with residual vibrations reduced by 50% during high-speed emergency stops.

The built-in safety controller provides over 20 certified features, including drop-prevention braking and SafeSkin non-contact protection (optional). Whether you need to palletize at scale or load heavy parts into CNC machinery, the CR20A offers a future-proof, standards-compliant solution with fast deployment and flexible programming
- Dobot CR20A 6-axis collaborative robot arm
- Dobot robot controller
- 6m power and signal cable set
- Quick start documentation
- Arm reach: 1700 mm
- Robot weight: 63.5 kg
Training materials and curriculum are available after purchase. Please contact us for details.
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| DOBOT CR20A Specifications | |
|---|---|
| Weight | 70 kg |
| Maximum Payload | 20 kg |
| Working Radius | 1,700 mm |
| Maximum Linear Speed | 2 m/s |
| Maximum Joint Speed | |
| J1 ~ J2 | 120 °/s |
| J3 | 150 °/s |
| J4 ~ J6 | 180 °/s |
| Range of Motion | |
| J1/J2/J4/J5/J6 | ±360° |
| J3 | ±165° |
| I/O Ports | 2x AI, 4x DO, 4x DI (multiplexed with RS485) |
| Ports | |
| Repeatability | ±0.05 mm |
| IP Rating / Noise | IP54 / ≤ 70 dB |
| Working Environment | 0 ~ 50 °C |
| Power | 500W |
| Installation Orientation | Any Angle |
| Cable Length to Controller | 6 m |
| Materials | Aluminum alloy, ABS plastic |
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