The OpenArm is an open‑source humanoid robot arm developed by Enactic and manufactured by WowRobo Robotics. It combines professional‑grade mold manufacturing, precision CNC components, and custom‑molded connectors to deliver a robust, scalable, and production‑ready robotic arm solution. Designed for research, education, and industrial prototyping, OpenArm offers developers and enterprises a reliable platform for humanoid robotics innovation. Features Professional Mold Manufacturing — Superior appearance, weather resistance, and strength compared to 3D‑printed parts. Precision CNC Components — High‑accuracy machining with anodized finishing for enhanced durability and corrosion resistance. Custom‑Molded Connectors — Secure, stable, and professional cable connections designed for long‑term reliability. Official Manufacturing Partner — Large‑scale production capabilities ensure consistent quality and performance. Compliance & Certifications — CE and UKCA conformity for machinery safety, electrical safety, and EMC standards. Open‑Source Ecosystem — Fully integrated with the LeRobot community for collaboration, updates, and technical support. General Specifications Category Specification Package Dimensions 87 cm × 57 cm × 37 cm Total Weight 41 kg (including protective flight case and accessories) Arm & System Specifications Category Details Degrees of Freedom (per arm) 7 DOF Configuration Bimanual robotic arms Arm Reach 633 mm Weight per Arm 5.5 kg Control Frequency 1 kHz CAN‑FD Payload Definition Nominal Payload 4.1 kg – Maximum mass held for 1 minute in worst‑case posture (arm fully extended) Peak Payload 6.0 kg – Maximum mass lifted from lowest to worst posture within 3 seconds, held for 1 second, then returned Joint & Gripper Motor Overview Joint / Gripper Motor Model Rated Torque Peak Torque J1 DM‑J8009P 20 Nm 40 Nm J2 DM‑J8009P 20 Nm 40 Nm J3 DM‑J4340P 9 Nm 27 Nm J4 DM‑J4340 9 Nm 27 Nm J5 DM‑J4310 3 Nm 7 Nm J6 DM‑J4310 3 Nm 7 Nm J7 DM‑J4310 3 Nm 7 Nm Gripper DM‑J4310 3 Nm 7 Nm Applications Humanoid Robotics Research — Open‑source design enables rapid prototyping and academic exploration. Industrial Automation — Durable components and certified compliance for production environments. Education & Training — Accessible platform for robotics labs and engineering programs. Community Collaboration — Integrated with LeRobot ecosystem for shared innovation. Packing List WowRobo-OpenArm1 1x Leader WowRobo-OpenArm2 1x Follower WowRobo-OpenArm3 1x Leader+ 1x Follower Why Choose WowRobo OpenArm？ The OpenArm offers a unique combination of open‑source flexibility, industrial‑grade durability, and certified compliance. With professional manufacturing, precision CNC parts, and custom connectors, it is built for both research labs and commercial robotics projects. Its integration with the LeRobot community ensures ongoing support, collaboration, and innovation.
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