Arm
Huayan Echo/HY 7-Axis Humanoid Arm Series

Overview
The Echo/HY series from Huayan Robotics (Guangdong Huayan Robotics Co., Ltd.) is a 7-axis humanoid arm family for humanoid and quadruped embodied platforms: Echo uses a coplanar cross architecture for human-like dexterity while HY uses a non-coplanar cross architecture for larger workspace and higher stiffness, with six models covering 3-15 kg rated payload; body weight <8-<22 kg, single-arm reach 555-850 mm, ±0.02-±0.05 mm repeatability and ≥2 m/s max TCP speed; every joint ships with a torque sensor and brake, 48V DC supply, EtherCAT communication, IP54 protection, ≤45 dB noise and CE certification, offering embodied platforms an efficiently integrated arm option.
Specifications
| Degrees of Freedom | 7 |
| Tcp | ≥2 m/s |
| Communication | EtherCAT / RS485 |