Huayan Robotics Elfin Series Cobots

Flexible Automation Across Different Workcells

The Elfin Series covers a wide range of cobot model. At the compact end, the E03 combines a 4 kg payload with a 590 mm reach and an 18 kg robot weight. This makes it easier to integrate into smaller workstations, laboratories, inspection systems and service-robot installations.

The mid-range E05, E05-L, E10 and E10-L models provide different trade-offs between reach and payload. A company can select a shorter arm with greater payload capacity or choose an extended-reach version for accessing machines and work areas from farther away.

At the upper end, the E12 provides the series’ longest reach at 1,800 mm, while the E15 delivers the highest payload at 18 kg. These models are more appropriate for larger components, extended machine-tending cells, welding systems, automotive assembly and heavier handling operations.

Huayan also offers a standard controller and an optional mini control box. The smaller controller can help integrators incorporate an Elfin arm into mobile robots, AGVs or compact automation equipment.

What Makes the Elfin Series Different?

The most visually distinctive part of the Elfin Series is its dual-joint module architecture. Instead of following the same external arm layout used by many other six-axis cobots, Huayan places two joints within each main motion module. According to the manufacturer, this creates a different kinematic structure, improves flexibility and helps reduce problematic singularities during robot movement.

The modules integrate Huayan-developed reducers, motors, encoders, drives and software. This modular approach supports a common design language across robots ranging from the compact E03 to the longer and heavier E12 and E15.

The smaller models also provide relatively high movement speeds. The E05 and E05-L are rated for tool speeds up to 3 m/s, while repeatability ranges from ±0.02 mm on the smaller robots to ±0.05 mm on the largest models.

Programming is performed through a graphical interface or remote call interface, with TCP/IP and Modbus TCP provided as standard communication options. This combination makes the series suitable for conventional robot cells as well as customised automation systems developed by integrators.

Elfin Model Comparison

Model: E03
Payload: 4 kg | Reach: 590 mm | Robot Weight: 18 kg | Repeatability: ±0.02 mm | Maximum Tool Speed: 2 m/s
Typical fit: Compact handling, inspection, dispensing, light assembly, education, research and service-robot installations.

Model: E05
Payload: 7 kg | Reach: 800 mm | Robot Weight: 25 kg | Repeatability: ±0.02 mm | Maximum Tool Speed: 3 m/s
Typical fit: Fast picking, assembly, component handling, testing and light machine tending.

Model: E05-L
Payload: 5 kg | Reach: 950 mm | Robot Weight: 26 kg | Repeatability: ±0.02 mm | Maximum Tool Speed: 3 m/s
Typical fit: Applications needing greater reach than the E05 while retaining fast movement and a relatively compact arm.

Model: E10
Payload: 12 kg | Reach: 1,000 mm | Robot Weight: 43 kg | Repeatability: ±0.03 mm | Maximum Tool Speed: 2 m/s
Typical fit: Medium-payload machine tending, welding, fastening, loading and industrial material handling.

Model: E10-L
Payload: 10 kg | Reach: 1,300 mm | Robot Weight: 45 kg | Repeatability: ±0.03 mm | Maximum Tool Speed: 2.5 m/s
Typical fit: Extended-reach machine tending, welding, handling and inspection around larger equipment.

Model: E12
Payload: 12 kg | Reach: 1,800 mm | Robot Weight: 70 kg | Repeatability: ±0.05 mm | Maximum Tool Speed: 2.5 m/s
Typical fit: Long-reach machine tending, large inspection cells, loading and handling across wide work areas.

Model: E15
Payload: 18 kg | Reach: 1,300 mm | Robot Weight: 60 kg | Repeatability: ±0.05 mm | Maximum Tool Speed: 2 m/s
Typical fit: The heaviest Elfin applications, including automotive handling, high-torque fastening, welding and larger-component manipulation.

Elfin vs Other Huayan Robotics Cobot Series

Elfin Series – General-Purpose Range
The standard Elfin is Huayan’s broad, general-purpose cobot family. It offers the widest balance of compact models, long-reach options and payloads up to 18 kg without making specialised force control, vision or explosion protection the central feature.

Elfin-Pro – More Integrated Sensing and Protection
Elfin-Pro uses essentially the same model sizes, payloads and reaches but adds options such as integrated end-of-arm force control, AI vision, internal wiring and IP66 arm protection. It is better suited to force-sensitive assembly, polishing, intelligent picking and vision-guided applications.

Elfin-Ex – Hazardous-Environment Version
Elfin-Ex is designed for explosive gas and dust environments. It adds a positive-pressure explosion-protection structure, pressure monitoring, specialised controllers and explosion-proof certification. Its intended applications include petrochemical work, spraying, powder coating and other hazardous processes.

S Heavy Payload Series – Larger and Heavier Work
The S Series moves beyond the Elfin’s 18 kg maximum payload. Current S models cover payloads from 20 to 60 kg and are aimed mainly at palletising, heavy material handling, machine loading and large-component assembly.

In practical terms, the standard Elfin is the most balanced choice for everyday collaborative automation. Elfin-Pro is the more sensor-integrated option, Elfin-Ex is the specialised hazardous-environment option, and the S Series is intended for substantially heavier loads.