3FG15 Three-Finger Gripper

SKU
103666
Electric three-finger centric gripper for collaborative robots, designed for round and irregular parts with software-controlled gripping.

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The OnRobot 3FG15 is an electric three-finger gripper for collaborative robots, designed for handling cylindrical, spherical, and irregularly shaped parts. It supports centric gripping and software-controlled force and stroke, operating without compressed air or external controllers. The 3FG15 is intended for applications where parts cannot be reliably handled with parallel two-finger grippers.

Typical uses include:

  • Handling round, cast, or forged components
  • Machine tending where parts vary in geometry
  • Assembly operations requiring centering grip
  • Pick-and-place of irregular or asymmetrical objects

A combination of the below options are included with your purchase depending on the model selected:

  • 1x robot side quick changer
  • 1x tool mounting flange
  • 1x cabling kit
  • 1x robot kit (The robot kit is required for Ethernet IP communication and software updates for all OnRobot tooling.)

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$5,942.00

Key Technical Specifications

General Properties Minimum Typical Maximum Unit
Payload - - 15 kg
Stroke (total) - - 120 mm
Gripping force (per finger) 25 - 150 N
Repeatability ±0.05 mm
Grip mode Centric  
Hold workpiece on power loss Yes  
Power supply 20 24 25 V DC
IP classification IP54  
Weight 2.1 kg
Operating temperature 0 - 50 °C

Electric Three-Finger Gripping

The 3FG15 uses three synchronized fingers to create a centric gripping motion, allowing parts to be automatically centered during pickup.

Key characteristics:

  • Electric operation with no pneumatic supply
  • Three-finger centric gripping
  • Software-adjustable gripping force and stroke
  • Designed for collaborative robot payload limits

Collaborative Robot Compatibility

The 3FG15 integrates with major collaborative robot platforms using robot-specific mechanical and software interfaces.

Supported cobot brands include:

  • Universal Robots
  • FANUC (CRX Series)
  • ABB
  • KUKA
  • Doosan Robotics
  • Techman Robot

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More Information
ManufacturerOnRobot
ApplicationMachine Tending, Material Handling