CRA Series Collaborative Robot

The new generation of CRA series redefines smart manufacturing. With high performance harmonic drive reducers, 25% cycle time improvement, these cobots take efficiency to a whole new level. By adapting the brand new control box and operating software, human-machine collaboration is brought to a new height in terms of safety, stability and expandability.

Dobot CR20A

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VX500 Smart Camera

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Dobot CR3A

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Dobot CR5A

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Dobot CR10A

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CRA Series Collaborative Robot

Dobot’s exclusive technology for safer operations.

Reliable and Efficient

High performance harmonic drive reducers improve cycle time by 25%. Improved anti-vibration algorithm, optimal DH parameters compensation, and TrueMotion algorithm achieve 0.2 ~ 0.4 mm trajectory accuracy during complex movement.

Safe & Reassuring Collaboration

It is equipped with responsive electromagnetic brakes for safety. When there is a power outage, the brakes are engaged automatically within 18 ms, with a fall of less than 1 mm. It also supports the function of virtual boundaries, setting safety borders freely, with alert when borders are exceeded, machine deceleration and machine halt. Its end tool real-time payload detection ensures the safety of production, upgraded to 10 I/O ports to satisfy the safety requirements of external devices.

New Interface for Easy Operation

The 4th generation of DobotStudioPro has a good layout, making operation easy and efficient. The newly added environment simulation function allows calibration to be more straight forward. There are three programming methods: graphical programming, script programming and trajectory replay which can be controlled by PC computer, tablet, smartphone and teaching pendant.

 

2.5D Vision for Accurate Grabbing

Integrates 5-megapixel camera and LED light source with Dobot self-developed 2.5D spatial compensation technology, for applications such as grabbing slanted surfaces on objects and assembly for fixed positions and also transportation of AMMR robots and loading and unloading scenarios. The VX500 Smart Camera works with visualizable operation software, saves the hassle of development while being easy to deploy.

High Expandability

2 industrial grade Ethernet ports. Supports Modbus Ethernet/IP and Profinet communication. 24 I/O ports allow more external devices to be used.

Specifications

CRA SERIESModelWeightMaximum PayloadWorking Radius (mm)Maximum Linear SpeedRange of MotionMaximum Joint SpeedI/O InterfaceRepeatability (mm）IP RatingNoiseTemperature RangePower ConsumptionInstallation OrientationCable Length to Control BoxMaterials
CR3ACR3A16.5 kg3 kg620mm2 m/sJ1 ± 360°
J2 ± 360°
J3 ± 155°
J4 ± 360°
J5 ± 360°
J6 ± 360°
J1 180 °/s
J2 180 °/s
J3 223 °/s
J4 223 °/s
J5 223 °/s
J6 223 °/s		DI 2-Way
DO 2-Way
AI 2-Way (same as RS485)
AO None
RS485 Supported		±0.02mmIP5470dB(A)0 ℃～ 50 ℃350 WAny angle5mAluminum alloy, ABS plastic
CR5ACR5A25 kg5 kg900mm2 m/sJ1 ± 360°
J2 ± 360°
J3 ± 160°
J4 ± 360°
J5 ± 360°
J6 ± 360°
J1 180 °/s
J2 180 °/s
J3 180 °/s
J4 223 °/s
J5 223 °/s
J6 223 °/s		DI 2-Way
DO 2-Way
AI 2-Way (same as RS485)
AO None
RS485 Supported		±0.02mmIP5470dB(A)0 ℃～ 50 ℃500 WAny angle6mAluminum alloy, ABS plastic
CR7ACR7A24.5 kg7 kg800mm2 m/sJ1 ± 360°
J2 ± 360°
J3 ± 160°
J4 ± 360°
J5 ± 360°
J6 ± 360°
J1 180 °/s
J2 180 °/s
J3 180 °/s
J4 223 °/s
J5 223 °/s
J6 223 °/s		DI 2-Way
DO 2-Way
AI 2-Way (same as RS485)
AO None
RS485 Supported		±0.02mmIP5470dB(A)0 ℃～ 50 ℃350 WAny angle5mAluminum alloy, ABS plastic
CR7ACR10A40 kg10 kg1300mm2 m/sJ1 ± 360°
J2 ± 360°
J3 ± 160°
J4 ± 360°
J5 ± 360°
J6 ± 360°		J1 150 °/s
J2 150 °/s
J3 180 °/s
J4 223 °/s
J5 223 °/s
J6 223 °/s		DI 2-Way
DO 2-Way
AI 2-Way (same as RS485)
AO None
RS485 Supported		±0.05mmIP5470dB(A)0 ℃～ 50 ℃150 WAny angle5mAluminum alloy, ABS plastic
CR12ACR12A39.5 kg12 kg1200mm2 m/sJ1 ± 360°
J2 ± 360°
J3 ± 160°
J4 ± 360°
J5 ± 360°
J6 ± 360°
J1 150 °/s
J2 150 °/s
J3 180 °/s
J4 223 °/s
J5 223 °/s
J6 223 °/s		DI 2-Way
DO 2-Way
AI 2-Way (same as RS485)
AO None
RS485 Supported		±0.03mmIP5470dB(A)0 ℃～ 50 ℃150 WAny angle5mAluminum alloy, ABS plastic
CR16ACR16A40 kg16 kg1000mm2 m/sJ1 ± 360°
J2 ± 360°
J3 ± 160°
J4 ± 360°
J5 ± 360°
J6 ± 360°		J1 150 °/s
J2 150 °/s
J3 180 °/s
J4 223 °/s
J5 223 °/s
J6 223 °/s		DI 2-Way
DO 2-Way
AI 2-Way (same as RS485)
AO None
RS485 Supported		±0.03mmIP5470dB(A)0 ℃～ 50 ℃120 WAny angle5mAluminum alloy, ABS plastic
CR20ACR20A70 kg20 kg1700mm2 m/sJ1 ± 360°
J2 ± 360°
J3 ± 180°
J4 ± 360°
J5 ± 360°
J6 ± 360° 		J1 120 °/s
J2 120 °/s
J3 150 °/s
J4 180 °/s
J5 180 °/s
J6 180 °/s		DI 4-Way
DO 4-Way
AI 4-Way (same as RS485)
AO None
RS485 Supported		±0.03mmIP5470dB(A)0 ℃～ 50 ℃350 WAny angle5mAluminum alloy, ABS plastic

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