CRA Series

A new benchmark for collaborative robot

CRA Series Collaborative Robots

The CRA series, the new generation of collaborative robots, incorporates high-performance integrated joints, leading to a 25% increase in the cycle time and unprecedented efficiency. The new control cabinet and DobotStudio Pro system software ensures a comprehensive enhancement in safety, stability, and scalability, and improve human-machine collaboration to a whole new level.

Performance

Safety

Scalability

Flexibility

Fast, accurate, and stable—Unparalleled motion performance

CR3A

CR5A

CR7A

CR10A

CR12A

CR16A

CR20A

Unparalleled speed

The latest integrated joint enhances the joint speed to 223°/s, which is the highest in the industry.
This improvement allows for a wider range of application scenarios and boosts the production cycle time of common tasks like material handling by 25%.
Consequently, it generates greater economic benefits.

Fast response

The EtherCAT bus is utilized by the joint servo, providing a vast bandwidth of hundreds of megabits and a joint response speed in the millisecond range.
This remarkable combination greatly enhances the robot’s movement speed and trajectory smoothness,
enabling it to efficiently carry out a wide range of tasks.

Accurate positioning

Each robot is precisely calibrated with a laser calibration system, ensuring an absolute positioning accuracy of under 0.4 mm.
This exceptional precision enables the robot to effortlessly tackle high-precision production tasks,
thereby enhancing consistency and quality assurance in the production process.

Multiple safety measures to mitigate production risks

Electromagnetic brake

In the event of an unexpected power outage, the robot swiftly engages its electromagnetic brake within 18 ms and ensures position retention within 1 mm,
safeguarding against equipment or product damage.

Customizable Safety Strategies

CRA provides virtual fencing and state-of-the-art non-contact skin protection, enabling users to devise safety measures tailored to their unique production settings. This ensures optimal safety at every stage of the production process.

Product Information

Model CR3A CR5A CR7A CR10A CR12A CR16A CR20A
Weight 16.5 kg 25 kg 24.5 kg 40 kg 39.5 kg 40 kg 70 kg
Maximum Payload 3 kg 5 kg 7 kg 10 kg 12 kg 16 kg 20 kg
Working Radius
 620 mm 900 mm 800 mm 1300 mm 1200 mm 1000 mm 1700 mm
Maximum Linear Speed 2 m/s
Range of Motion J1 ±360°
J2 ±360°
J3 ±155°
 ±160°
 ±160°
 ±160°
 ±160°
 ±160°
 ±160°
J4 ±360°
J5 ±360°
J6 ±360°
Maximum Joint Speed J1/J2 180°/s 180°/s
 180°/s
 150°/s
 150°/s
 150°/s
 120°/s
J3 223°/s 180°/s 150°/s

 J4/J5/J6 223°/s 223°/s 223°/s 223°/s 223°/s 223°/s 180°/s
I/O Interface DI/DO 2-way 4-way
AI 2-way 
(same as RS485)		 4-way
(same as RS485)
AO None
Communication Interface Communication RS485 (supported)
Repeatability ±0.02 mm
 ±0.02 mm
 ±0.02 mm
 ±0.03 mm
 ±0.03 mm
 ±0.03 mm
 ±0.05 mm
Noise 70dB(A)
IP Rating IP54
Temperature 0° ∼ 50°C
Power Consumption 120W 150W 150W 350W 350W 350W 500W
Cable Length to Control box 5m 6m
Materials Aluminum alloy, ABS Plastic

* The above data is the test results obtained by Dobot Laboratory under controlled experimental conditions, which may have slight differences from those in actual application scenarios.