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About
Description
Unitree Robotics -- Official Robotic Arm
Unitree R1-7a Professional B Robotic Arm
R1 Series
Professional B
8 DOF (7+1)
RGB Camera Included
Left/Right Versions
Official 8-DOF collaborative robotic arm system designed for the Unitree R1 humanoid robot platform. The R1-7a Professional B includes all features of the R1-7a Standard arm and comes equipped with the Dex1-1 Plus Gripper with integrated RGB camera. With 8 total degrees of freedom (7 arm joints + 1 gripper), low-inertia high-speed inner-rotor PMSM motors delivering 44.3 lb·ft (60 N·m) max joint torque, and a gripper capable of 44.1 lb (20 kg) conforming grasping load, it provides a complete manipulation solution with built-in visual feedback. Available in left-arm and right-arm mirror-image versions.
8
Total DOF
44.3 lb·ft
Max Arm Torque
44.1 lb
Grip Load
1.21 lb
Gripper Weight
3.54"
Gripper Stroke
12 mo
Warranty
Professional B vs. Professional A: The R1-7a Professional B includes all features of the Professional A, with the key upgrade of the Dex1-1 Plus Gripper featuring an integrated RGB camera (replacing the Standard Gripper without camera). This enables on-gripper visual feedback for object recognition, visual servoing, and quality inspection without requiring external vision systems.
Product Overview
The Unitree R1-7a Professional B Robotic Arm is a complete 8-DOF manipulation system designed for the Unitree R1 humanoid robot platform. Building on the proven R1-7a Standard arm with its 7 degrees of freedom and 44.3 lb·ft (60 N·m) maximum joint torque, the Professional B variant adds the Dex1-1 Plus Gripper with RGB camera as standard equipment, bringing the total system to 8 degrees of freedom (7 arm joints + 1 gripper DOF).
The arm features low-inertia high-speed inner-rotor PMSM bionic joint motors with high torque and high burst output, housed in a lightweight metal body with engineering plastic components. The integrated Dex1-1 Plus gripper offers a 3.54" (90 mm) stroke, 1.1~27 lbf (5~120 N) adjustable grip force, supports up to 44.1 lb (20 kg) conforming grasping load, and includes an integrated RGB camera for visual feedback during manipulation. Each joint utilizes dual encoders for precise feedback. Supports flexible mounting (upright, side, inverted) and offers high-speed 485 communication.
8-DOF Complete System
7 arm joints plus 1 gripper DOF deliver a fully integrated manipulation solution. Dex1-1 Plus Gripper with RGB camera included -- ready to deploy out of the box.
Dex1-1 Plus Gripper with RGB Camera
Equipped with Dex1-1 Plus gripper featuring 3.54" stroke, 1.1~27 lbf adjustable force, 44.1 lb conforming load, and integrated RGB camera for visual feedback.
44.3 lb·ft (60 N·m) Torque
7 independent joints driven by low-inertia high-speed inner-rotor PMSM bionic joint motors. High burst output enables robust manipulation and dynamic humanoid tasks.
Dual Encoder Per Joint
Each of the 7 arm motors is equipped with a dual encoder system for redundant, high-resolution position feedback and reliable closed-loop control.
Flexible Mounting
Supports upright, side, and inverted mounting configurations. Adapts to various humanoid robot body configurations and workspace requirements.
High-Speed 485 Communication
High-speed 485 communication protocol for reliable, low-latency data exchange with humanoid robot control systems.
Dex1-1 Plus Gripper with RGB Camera
The R1-7a Professional B comes equipped with the Dex1-1 Plus Gripper, providing precise manipulation capability with integrated visual feedback:
Dex1-1 Plus Gripper -- Standard Equipment
- Dimensions: 5.6" x 3.1" x 2.6" (143 x 78 x 67 mm) -- compact form factor optimized for humanoid integration.
- Weight: 1.21 lb (550 g) -- lightweight design minimizes arm payload requirements.
- Stroke: 3.54" (90 mm) -- wide opening range accommodates various object sizes.
- Position Resolution: 0.1 mm at fingertip -- high-precision positioning for delicate manipulation tasks.
- Grip Force: 1.1~27 lbf (5~120 N) adjustable -- programmable force control for handling fragile to heavy objects.
- Conforming Grasping Load: 44.1 lb (20 kg) -- secure hold on conforming objects through distributed contact.
- Friction Grasping Load: 11.0 lb (5 kg) -- reliable pinch grip for smooth or rigid objects.
- Fastest Closing Time: 0.24 seconds full-stroke -- rapid response for dynamic manipulation tasks.
- Jaw Length: 3.15" (80 mm) -- extended reach for deep grasping applications.
Integrated RGB Camera
The Dex1-1 Plus Gripper features an integrated RGB camera, providing critical visual feedback directly at the point of manipulation:
RGB Camera -- Integrated in Gripper
- On-Gripper Vision: Camera positioned at the gripper provides first-person view of the manipulation workspace, enabling precise object identification and positioning.
- Object Recognition: RGB imagery supports real-time object classification, color detection, and feature identification during manipulation tasks.
- Visual Servoing: Close-proximity camera enables visual feedback control loops for precision grasping, alignment, and placement operations.
- Quality Inspection: High-resolution imagery supports in-process quality checks, defect detection, and verification of manipulation outcomes.
- SDK Integration: Full SDK support for camera control, image processing, and integration with arm control systems for coordinated vision-manipulation workflows.
- Reduced External Dependencies: Integrated camera eliminates the need for separate external vision systems in many applications, simplifying setup and reducing cost.
Left/Right Arm Mirror Configuration
The R1-7a Professional B is available in left-arm and right-arm versions, specifically designed for bimanual humanoid robot integration:
Left-Arm & Right-Arm Mirror Versions
- Mirror-Image Design: Left and right arms are precise mirror images of each other, enabling symmetrical bimanual manipulation for humanoid robot applications.
- Default Right-Arm SKU: For single-arm applications, the default configuration is the right-arm SKU. Specify left-arm when required for your application.
- Bimanual Integration: Designed for seamless integration with the Unitree R1 humanoid robot platform, supporting coordinated dual-arm manipulation tasks.
- Selection Guidance: When left/right distinction is required, select per actual needs. Both versions share identical technical specifications and performance characteristics.
Control System & Interfaces
The R1-7a Professional B provides comprehensive real-time control and flexible integration options for humanoid robot applications:
Communication Protocol
High-speed 485 communication interface. Robust, noise-resistant protocol suitable for humanoid robot integration and industrial environments.
Total DOF
8 DOF (7 arm joints + 1 gripper). Coordinated control of arm and gripper through unified communication interface.
Control Methods
SDK and host computer control for seamless integration with humanoid robot control systems and research platforms.
Operating Temperature
Wide operating range of -4°F to 122°F (-20°C to 50°C). Ensures reliable performance in diverse environmental conditions.
What's Included (Per Arm)
Each R1-7a Professional B Robotic Arm package contains the following components:
| Arm | R1-7a Robotic Arm Unit | Complete 7-DOF robotic arm assembly with low-inertia high-speed inner-rotor PMSM motors, dual encoders, and industrial crossed-roller bearings. Specify left or right arm version. |
| Gripper | Dex1-1 Plus Gripper with RGB Camera (x1) | Standard equipment -- Dex1-1 Plus gripper with 3.54" stroke, 1.1~27 lbf adjustable force, 44.1 lb conforming load, and integrated RGB camera. |
| Accessory Kit | Power & Data Module Kit (x1) | Power and data module accessory kit for integration with humanoid robot systems. Power must be supplied by user via XT30 port. |
| Documentation | Development Documentation | Comprehensive development documentation, SDK reference, API documentation, and ecosystem support materials. |
Important Notes
- Left/Right arm selection: The R1-7a comes in left-arm and right-arm versions (mirror images). For single-arm applications, default is right-arm SKU. Specify left-arm when required.
- RGB camera included: Unlike the Professional A, the Professional B includes the Dex1-1 Plus Gripper with integrated RGB camera for on-gripper visual feedback.
- Power adapter NOT included: Power must be supplied by user via XT30 port (24V-60V). Ensure your power supply can handle the 700W peak load.
- Gripper specifications: Dex1-1 Plus gripper dimensions: 5.6" x 3.1" x 2.6" (143 x 78 x 67 mm). Weight: 1.21 lb (550 g). Stroke: 3.54" (90 mm).
- Grasping loads: Conforming grasping load: 44.1 lb (20 kg). Friction grasping load: 11.0 lb (5 kg). Ensure operational loads do not exceed these limits.
- Grip force: Adjustable from 1.1 to 27 lbf (5~120 N). Program according to object fragility and material properties.
- Camera integration: RGB camera requires appropriate lighting conditions for optimal performance. Camera specifications and SDK integration details available in documentation.
- Technical support: Excellent technical support and comprehensive development documentation provided. Full ecosystem support for humanoid robot integration.
- 12-month warranty: 12-month warranty on the entire unit. Warranty covers manufacturing defects and normal operational use.
Technical Specifications
| Product Name | R1-7a Professional B Robotic Arm |
| Product Series | Unitree R1 Humanoid Robot Arm |
| Arm Version | Left-arm or Right-arm (mirror images, default right-arm for single-arm applications) |
| Total Degrees of Freedom | 8 (7 arm joints + 1 gripper) |
| Arm Joint Motors | Low-inertia high-speed inner-rotor PMSM; bionic joint motor with high torque and high burst output |
| Max Joint Torque | 44.3 lb·ft (60 N·m) |
| Joint Feedback | Dual encoders |
| Gripper Model | Dex1-1 Plus Gripper with RGB Camera (included) |
| Gripper Dimensions | 5.6" x 3.1" x 2.6" (143 x 78 x 67 mm) |
| Gripper Weight | 1.21 lb (550 g) |
| Gripper Stroke | 3.54" (90 mm) |
| Position Resolution (fingertip) | 0.1 mm |
| Grip Force | 1.1~27 lbf (5~120 N) adjustable |
| Grasping Load (conforming) | 44.1 lb (20 kg) |
| Grasping Load (friction) | 11.0 lb (5 kg) |
| Shortest Full-Stroke Closing Time | 0.24 s |
| Jaw Length | 3.15" (80 mm) |
| RGB Camera | Integrated in Dex1-1 Plus Gripper |
| Communication Protocol | High-speed 485 |
| Mounting Options | Upright, side, inverted |
| Supply Voltage | 24 V to 60 V DC |
| Power Consumption | Peak power 700 W; typical power ≤ 50 W |
| Operating Temperature | -4°F to 122°F (-20°C to 50°C) |
| Accessory Kit | Power & data module accessory kit x1 included |
| Warranty | 12-month warranty on the entire unit |
* Specifications are based on manufacturer data and may vary slightly by production batch.
* The R1-7a Professional B includes all features of the R1-7a Standard arm plus the Dex1-1 Plus Gripper with RGB camera.
* Left/right arm versions available (mirror images). Default is right-arm SKU for single-arm applications.
* RGB camera is integrated in the Dex1-1 Plus Gripper for on-gripper visual feedback.
* Power adapter NOT included. Power must be supplied by user via XT30 port (24V-60V). Peak power: 700W.
* Gripper conforming load: 44.1 lb (20 kg). Friction load: 11.0 lb (5 kg). Grip force: 1.1~27 lbf (5~120 N) adjustable.
* Secondary development requires advanced programming skills and familiarity with multi-DOF robotics control.
* Unitree is a registered trademark of Unitree Robotics.
Description
Unitree Robotics -- Official Robotic Arm
Unitree R1-7a Professional B Robotic Arm
R1 Series
Professional B
8 DOF (7+1)
RGB Camera Included
Left/Right Versions
Official 8-DOF collaborative robotic arm system designed for the Unitree R1 humanoid robot platform. The R1-7a Professional B includes all features of the R1-7a Standard arm and comes equipped with the Dex1-1 Plus Gripper with integrated RGB camera. With 8 total degrees of freedom (7 arm joints + 1 gripper), low-inertia high-speed inner-rotor PMSM motors delivering 44.3 lb·ft (60 N·m) max joint torque, and a gripper capable of 44.1 lb (20 kg) conforming grasping load, it provides a complete manipulation solution with built-in visual feedback. Available in left-arm and right-arm mirror-image versions.
8
Total DOF
44.3 lb·ft
Max Arm Torque
44.1 lb
Grip Load
1.21 lb
Gripper Weight
3.54"
Gripper Stroke
12 mo
Warranty
Professional B vs. Professional A: The R1-7a Professional B includes all features of the Professional A, with the key upgrade of the Dex1-1 Plus Gripper featuring an integrated RGB camera (replacing the Standard Gripper without camera). This enables on-gripper visual feedback for object recognition, visual servoing, and quality inspection without requiring external vision systems.
Product Overview
The Unitree R1-7a Professional B Robotic Arm is a complete 8-DOF manipulation system designed for the Unitree R1 humanoid robot platform. Building on the proven R1-7a Standard arm with its 7 degrees of freedom and 44.3 lb·ft (60 N·m) maximum joint torque, the Professional B variant adds the Dex1-1 Plus Gripper with RGB camera as standard equipment, bringing the total system to 8 degrees of freedom (7 arm joints + 1 gripper DOF).
The arm features low-inertia high-speed inner-rotor PMSM bionic joint motors with high torque and high burst output, housed in a lightweight metal body with engineering plastic components. The integrated Dex1-1 Plus gripper offers a 3.54" (90 mm) stroke, 1.1~27 lbf (5~120 N) adjustable grip force, supports up to 44.1 lb (20 kg) conforming grasping load, and includes an integrated RGB camera for visual feedback during manipulation. Each joint utilizes dual encoders for precise feedback. Supports flexible mounting (upright, side, inverted) and offers high-speed 485 communication.
8-DOF Complete System
7 arm joints plus 1 gripper DOF deliver a fully integrated manipulation solution. Dex1-1 Plus Gripper with RGB camera included -- ready to deploy out of the box.
Dex1-1 Plus Gripper with RGB Camera
Equipped with Dex1-1 Plus gripper featuring 3.54" stroke, 1.1~27 lbf adjustable force, 44.1 lb conforming load, and integrated RGB camera for visual feedback.
44.3 lb·ft (60 N·m) Torque
7 independent joints driven by low-inertia high-speed inner-rotor PMSM bionic joint motors. High burst output enables robust manipulation and dynamic humanoid tasks.
Dual Encoder Per Joint
Each of the 7 arm motors is equipped with a dual encoder system for redundant, high-resolution position feedback and reliable closed-loop control.
Flexible Mounting
Supports upright, side, and inverted mounting configurations. Adapts to various humanoid robot body configurations and workspace requirements.
High-Speed 485 Communication
High-speed 485 communication protocol for reliable, low-latency data exchange with humanoid robot control systems.
Dex1-1 Plus Gripper with RGB Camera
The R1-7a Professional B comes equipped with the Dex1-1 Plus Gripper, providing precise manipulation capability with integrated visual feedback:
Dex1-1 Plus Gripper -- Standard Equipment
- Dimensions: 5.6" x 3.1" x 2.6" (143 x 78 x 67 mm) -- compact form factor optimized for humanoid integration.
- Weight: 1.21 lb (550 g) -- lightweight design minimizes arm payload requirements.
- Stroke: 3.54" (90 mm) -- wide opening range accommodates various object sizes.
- Position Resolution: 0.1 mm at fingertip -- high-precision positioning for delicate manipulation tasks.
- Grip Force: 1.1~27 lbf (5~120 N) adjustable -- programmable force control for handling fragile to heavy objects.
- Conforming Grasping Load: 44.1 lb (20 kg) -- secure hold on conforming objects through distributed contact.
- Friction Grasping Load: 11.0 lb (5 kg) -- reliable pinch grip for smooth or rigid objects.
- Fastest Closing Time: 0.24 seconds full-stroke -- rapid response for dynamic manipulation tasks.
- Jaw Length: 3.15" (80 mm) -- extended reach for deep grasping applications.
Integrated RGB Camera
The Dex1-1 Plus Gripper features an integrated RGB camera, providing critical visual feedback directly at the point of manipulation:
RGB Camera -- Integrated in Gripper
- On-Gripper Vision: Camera positioned at the gripper provides first-person view of the manipulation workspace, enabling precise object identification and positioning.
- Object Recognition: RGB imagery supports real-time object classification, color detection, and feature identification during manipulation tasks.
- Visual Servoing: Close-proximity camera enables visual feedback control loops for precision grasping, alignment, and placement operations.
- Quality Inspection: High-resolution imagery supports in-process quality checks, defect detection, and verification of manipulation outcomes.
- SDK Integration: Full SDK support for camera control, image processing, and integration with arm control systems for coordinated vision-manipulation workflows.
- Reduced External Dependencies: Integrated camera eliminates the need for separate external vision systems in many applications, simplifying setup and reducing cost.
Left/Right Arm Mirror Configuration
The R1-7a Professional B is available in left-arm and right-arm versions, specifically designed for bimanual humanoid robot integration:
Left-Arm & Right-Arm Mirror Versions
- Mirror-Image Design: Left and right arms are precise mirror images of each other, enabling symmetrical bimanual manipulation for humanoid robot applications.
- Default Right-Arm SKU: For single-arm applications, the default configuration is the right-arm SKU. Specify left-arm when required for your application.
- Bimanual Integration: Designed for seamless integration with the Unitree R1 humanoid robot platform, supporting coordinated dual-arm manipulation tasks.
- Selection Guidance: When left/right distinction is required, select per actual needs. Both versions share identical technical specifications and performance characteristics.
Control System & Interfaces
The R1-7a Professional B provides comprehensive real-time control and flexible integration options for humanoid robot applications:
Communication Protocol
High-speed 485 communication interface. Robust, noise-resistant protocol suitable for humanoid robot integration and industrial environments.
Total DOF
8 DOF (7 arm joints + 1 gripper). Coordinated control of arm and gripper through unified communication interface.
Control Methods
SDK and host computer control for seamless integration with humanoid robot control systems and research platforms.
Operating Temperature
Wide operating range of -4°F to 122°F (-20°C to 50°C). Ensures reliable performance in diverse environmental conditions.
What's Included (Per Arm)
Each R1-7a Professional B Robotic Arm package contains the following components:
| Arm | R1-7a Robotic Arm Unit | Complete 7-DOF robotic arm assembly with low-inertia high-speed inner-rotor PMSM motors, dual encoders, and industrial crossed-roller bearings. Specify left or right arm version. |
| Gripper | Dex1-1 Plus Gripper with RGB Camera (x1) | Standard equipment -- Dex1-1 Plus gripper with 3.54" stroke, 1.1~27 lbf adjustable force, 44.1 lb conforming load, and integrated RGB camera. |
| Accessory Kit | Power & Data Module Kit (x1) | Power and data module accessory kit for integration with humanoid robot systems. Power must be supplied by user via XT30 port. |
| Documentation | Development Documentation | Comprehensive development documentation, SDK reference, API documentation, and ecosystem support materials. |
Important Notes
- Left/Right arm selection: The R1-7a comes in left-arm and right-arm versions (mirror images). For single-arm applications, default is right-arm SKU. Specify left-arm when required.
- RGB camera included: Unlike the Professional A, the Professional B includes the Dex1-1 Plus Gripper with integrated RGB camera for on-gripper visual feedback.
- Power adapter NOT included: Power must be supplied by user via XT30 port (24V-60V). Ensure your power supply can handle the 700W peak load.
- Gripper specifications: Dex1-1 Plus gripper dimensions: 5.6" x 3.1" x 2.6" (143 x 78 x 67 mm). Weight: 1.21 lb (550 g). Stroke: 3.54" (90 mm).
- Grasping loads: Conforming grasping load: 44.1 lb (20 kg). Friction grasping load: 11.0 lb (5 kg). Ensure operational loads do not exceed these limits.
- Grip force: Adjustable from 1.1 to 27 lbf (5~120 N). Program according to object fragility and material properties.
- Camera integration: RGB camera requires appropriate lighting conditions for optimal performance. Camera specifications and SDK integration details available in documentation.
- Technical support: Excellent technical support and comprehensive development documentation provided. Full ecosystem support for humanoid robot integration.
- 12-month warranty: 12-month warranty on the entire unit. Warranty covers manufacturing defects and normal operational use.
Technical Specifications
| Product Name | R1-7a Professional B Robotic Arm |
| Product Series | Unitree R1 Humanoid Robot Arm |
| Arm Version | Left-arm or Right-arm (mirror images, default right-arm for single-arm applications) |
| Total Degrees of Freedom | 8 (7 arm joints + 1 gripper) |
| Arm Joint Motors | Low-inertia high-speed inner-rotor PMSM; bionic joint motor with high torque and high burst output |
| Max Joint Torque | 44.3 lb·ft (60 N·m) |
| Joint Feedback | Dual encoders |
| Gripper Model | Dex1-1 Plus Gripper with RGB Camera (included) |
| Gripper Dimensions | 5.6" x 3.1" x 2.6" (143 x 78 x 67 mm) |
| Gripper Weight | 1.21 lb (550 g) |
| Gripper Stroke | 3.54" (90 mm) |
| Position Resolution (fingertip) | 0.1 mm |
| Grip Force | 1.1~27 lbf (5~120 N) adjustable |
| Grasping Load (conforming) | 44.1 lb (20 kg) |
| Grasping Load (friction) | 11.0 lb (5 kg) |
| Shortest Full-Stroke Closing Time | 0.24 s |
| Jaw Length | 3.15" (80 mm) |
| RGB Camera | Integrated in Dex1-1 Plus Gripper |
| Communication Protocol | High-speed 485 |
| Mounting Options | Upright, side, inverted |
| Supply Voltage | 24 V to 60 V DC |
| Power Consumption | Peak power 700 W; typical power ≤ 50 W |
| Operating Temperature | -4°F to 122°F (-20°C to 50°C) |
| Accessory Kit | Power & data module accessory kit x1 included |
| Warranty | 12-month warranty on the entire unit |
* Specifications are based on manufacturer data and may vary slightly by production batch.
* The R1-7a Professional B includes all features of the R1-7a Standard arm plus the Dex1-1 Plus Gripper with RGB camera.
* Left/right arm versions available (mirror images). Default is right-arm SKU for single-arm applications.
* RGB camera is integrated in the Dex1-1 Plus Gripper for on-gripper visual feedback.
* Power adapter NOT included. Power must be supplied by user via XT30 port (24V-60V). Peak power: 700W.
* Gripper conforming load: 44.1 lb (20 kg). Friction load: 11.0 lb (5 kg). Grip force: 1.1~27 lbf (5~120 N) adjustable.
* Secondary development requires advanced programming skills and familiarity with multi-DOF robotics control.
* Unitree is a registered trademark of Unitree Robotics.
Unitree
by
Unitree
Unitree R1-7a Professional B Robotic Arm
SKU:
R1-7A-PROFESSIONAL-B-ARM
- Regular price
- $2,839.00
- Sale price
- $2,839.00
- Regular price
-
- Unit price
- per
Shipping calculated at checkout.
Providing the best new Tech Experience, Energy Independence and Robotics Ways of Optimisation
Providing the best new Tech Experience, Energy Independence and Robotics Ways of Optimisation
Packaging note:
Equipment is being supplied in a manufacturer packaging
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