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Dobot CRA Series Robotic Arm
Dobot CRA Series Robotic Arm
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Dobot CRA Series Robotic Arm

Dobot CRA Series Robotic Arm

Dobot CRA Series Robotic Arm
Dobot | A-000000-08063
Price upon request

The DOBOT CRA series includes 6-axis collaborative robots with 3 to 20 kg payload, designed to quickly automate industrial tasks (material handling, assembly, CNC loading/unloading, welding, palletizing, etc.).

Version
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  • CR10A
  • CR12A
  • CR16A
  • CR20A
  • CR3A
  • CR5A
  • CR7A
Quantity
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An “industry-ready” cobot range: fast, accurate, safe, and easy to integrate

  • High speed: joint speed up to 223°/s to cover more scenarios.
  • Shorter cycle times: on typical applications (e.g., handling), production throughput can increase by around 25%.
  • Smoother trajectories: servo control via EtherCAT bus (100 Mbit/s bandwidth) with millisecond-level response.
  • Positioning: “laser tracker” calibration for accuracy of < 0.4 mm.
  • Collaborative safety: dedicated safety controller PLd Cat.3, 20+ functions, compliant with ISO 13849-1, ISO 10218-1, ISO 15066.
  • Electromagnetic braking: fast stop during power loss, with a load drop of < 1 mm.
  • PLC / HMI integration: 24 DI + 24 DO (PNP/NPN) and industrial protocols Modbus TCP/RTU, EtherNet/IP, PROFINET.
  • Compact controller: about -20% footprint (IP20, IP54 optional).

The CRA series is particularly relevant for integrators, laboratories, and industrial sites looking for compact, versatile cobots for assembly, pick-and-place, machine tending (loading/unloading), and process testing.

Choosing the right model: CR3A, CR5A, CR7A, CR10A, CR12A, CR16A or CR20A

The choice mainly depends on the actual payload (tool + part), the center of gravity, and the required reach.

  • For compact, high-precision stations: CR3A/CR5A/CR7A.
  • For more reach/payload: CR10A/CR12A/CR16A.
  • For heavier handling with long reach: CR20A.
ModelCR3ACR5ACR7ACR10ACR12ACR16ACR20A
Max payload3 kg5 kg7 kg10 kg12 kg16 kg20 kg
Reach620 mm900 mm800 mm1 300 mm1 200 mm1 000 mm1 700 mm
Repeatability±0.02 mm±0.02 mm±0.02 mm±0.03 mm±0.03 mm±0.03 mm±0.05 mm
Weight16.5 kg25 kg24.5 kg40 kg39.5 kg40 kg73 kg
Max linear speed2 m/s2 m/s2 m/s2 m/s2 m/s2 m/s2 m/s
Typical power consumption120 W150 W150 W350 W350 W350 W500 W
DOBOT SERIE CRA
See the full technical data sheet

Applications and project types (handling, CNC, palletizing, welding, assembly)

The CRA series is well suited for workshops and production lines looking for flexible automation: machine tending (CNC/laser), assembly, adhesive dispensing / dosing, polishing, welding, bin picking, palletizing, and material handling.

Typical industries: electronics/3C, batteries, automotive, semiconductors, metal processing, food & beverage, chemicals, medical.

Software ecosystem and integration (DobotStudio Pro, plugins, processes)

The CRA series relies on DobotStudio Pro: Blockly programming (quick to learn) and Lua scripts, device plugins (grippers, force sensors, 2D/3D vision, etc.), process packages (welding, palletizing, CNC, etc.), logging, and a virtual controller for offline programming.

Dobot Studio Pro
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Useful options (vision, safety, teach pendant)

  • Teach pendant – optional: 10.1" touchscreen, 12 buttons, 3-position switch, IP54 (depending on model).
  • Plug-and-play vision: VX500 smart camera with one-click calibration, integrated in DobotStudio Pro for fast deployment.
  • CRA vs CRAS: the CRAS range adds SafeSkin (non-contact pre-collision): 360° detection within 15 cm and the possibility to increase collaborative speed up to 1 m/s (after risk assessment).

What information should you prepare for a quotation request?

Provide: payload (tool + part) + center of gravity, required reach, cycle time, your environment (oil/dust), the desired integration (PLC, protocols, I/O), and your timeline. A layout/photo and a step-by-step cycle description help us size the right model quickly.

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Resources – DOBOT CRA series

FAQ – DOBOT CRA series

Which model should I choose (3 to 20 kg)?

The right choice depends on actual payload (tool + part), center of gravity, and required reach. If you share your cycle (pick/place distances and timing), we can help size the right model.

Is the CRA series easy to integrate into an existing line?

Yes: I/O, PLC compatibility and industrial protocols (Modbus, EtherNet/IP, PROFINET). To move fast, prepare the list of equipment (conveyors, sensors, grippers, vision) and any network constraints.

What impacts throughput and stability the most?

The gripper (weight/rigidity), the center of gravity, trajectories and accelerations. Pre-sizing tool + part + CoG + cycle is key to meeting cycle time targets.

CRA or CRAS (SafeSkin): which one to choose?

CRA fits most standard collaborative cells. CRAS adds SafeSkin (non-contact pre-collision) for smoother collaboration scenarios (after a risk assessment).

The CRA series is well suited for workshops and production lines looking for flexible automation: machine tending (CNC/laser), assembly, adhesive dispensing / dosing, polishing, welding, bin picking, palletizing, and material handling.

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