Specifications

3-Finger Robotic Arm (V6 Series) — In-Depth Description

Purpose-built for V6-series ROVs, the 3-Finger Robotic Arm turns a camera platform into a true intervention tool. A neutral-buoyancy body keeps the vehicle’s trim stable, while a compact three-finger claw delivers dependable grip across real-world object shapes—rope, tools, rings, handles, valves, and flat samples. With a 150 m depth rating and a broad −10 °C to 60 °C operating window, it’s ready for lakes, coastal work, and chilled freshwater reservoirs alike.

Design & Mechanics

The claw’s three-finger geometry forms a self-centering, triangular grasp. This distributes force around irregular profiles so objects don’t “squirt” out under vehicle motion. The mechanism opens to 120 mm, accommodating larger targets than typical parallel grippers, while the actuator provides up to 100 N of clamping force for confident holding of tools and samples. The arm’s compact envelope minimizes drag and snag risk around structures, nets, or vegetation.

Underwater Performance

Neutral buoyancy means the manipulator doesn’t fight the vehicle’s pitch or roll; when you extend or retract the arm, the ROV remains predictable, helping pilots make precise approaches. The sealed housing and materials are selected for long-term immersion, and the 150 m rating covers most inspection, sampling, and search-and-recovery scenarios in inland and near-shore environments.

Power & Control

The V6 Series version integrates natively with the V6 platform’s power and accessories ecosystem:

• Power: 9–13 V DC, up to 2 A @ 12 V (max). This low draw preserves overall mission endurance.

• Control: UART communication for straightforward command/control through the V6 host—plug-and-play within the V6 accessory port system.

Pilot Experience

Pilots can approach, stabilize, and close with confidence thanks to the wide opening and progressive, secure clamp. The triangular grip is forgiving to off-axis picks, ideal when currents, silt, or low visibility complicate alignment. The neutral-buoyancy design helps maintain heading during grasping so video documentation remains steady.

Typical Uses

• Inspection & light intervention: Pull small lines, twist levers/handles, secure marker buoys, or manipulate tether accessories.

• Sampling: Retrieve sediment bags, biological specimens in jars, or tagged items up to the force and size limits.

• Search & recovery: Grab keys, phones in housings, tools, and evidence markers without stirring excessive silt.

• Education & research: Teach subsea manipulation fundamentals—approach vectors, object framing, and force control.

Installation & Compatibility

The arm mounts on the V6 accessory interface and connects to the V6 control/power harness. Its compact body avoids blocking the main camera’s field of view when stowed, and the white-balance friendly finish ensures good visual contrast in turbid water.

Operating Practices

• Stay within 150 m depth and −10 °C to 60 °C.

• Treat 100 N as the hard cap—avoid using the arm as a pry bar or anchor.

• After saltwater dives, rinse in fresh water, inspect the claw tips and fasteners, and check cable strain-relief points.

• Keep hands clear—pinch hazard when powered. Disconnect power before servicing.

Why choose this model

• Balanced capability: Strong 100 N clamp and 120 mm reach in a compact, neutral package.

• Mission-friendly: Low power (2 A @ 12 V max) preserves battery life; minimal impact on trim.

• Native integration: UART control within the V6 ecosystem keeps setup simple and reliable.