The 3FG15 is ideal for gripping a wide range of cylindrical objects in machine-tending applications such as CNC lathe machines. The gripper’s design automatically centers workpieces, resulting in fast deployment with a strong, stable grip and precise placement. With a payload of up to 15kg, the 3FG15 competes with larger, bulkier, and much less flexible finger grippers. Like all OnRobot grippers, the 3FG15 offers seamless integration with the robots of your choice.
The 3FG15 three-finger gripper has an impressive maximum stroke of 150mm and a sleek design that can easily handle multiple processes. It is ideal for gripping a wide range of cylindrical objects from 20mm to 150mm wide in machine-tending applications such as CNC lathe machines, insertion applications, and even palletizing. The 3FG15 provides a strong, stable grip for both form fit (inside the object) or friction fit (external) gripping, adding flexibility to your implementation. The gripper’s design automatically centers workpieces, resulting in a strong, stable grip and precise placement in machine chucks. With a payload of up to 15kg and gripping force from 10 N to 240 N, the 3FG15 competes with larger, bulkier, and much less flexible finger grippers.
3FG15 | |||||
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General Properties | Minimum | Typical | Maximum | Unit | |
Payload force fit | - | - | 10 | [kg] | |
Payload form fit | - | - | 15 | [kg] | |
Grip Diameter* | External | 4 | - | 152 | [mm] |
Internal | 35 | - | 176 | [mm] | |
Finger position resolution | - | 0.1 | [mm] | ||
Diameter repetition accuracy | - | 0.1 | 0.2 | [mm] | |
Gripping force | 10 | - | 240 | [N] | |
Gripping force (adjustable) | 3 | - | 100 | [%] | |
Gripping speed (diameter change) | - | - | 125 | [mm/s] | |
Gripping time (including brake activation)** | - | 500 | - | [ms] | |
Hold workpiece if power loss? | Yes | ||||
Motor | Integrated, electric BLDC | ||||
IP Classification | IP67 | ||||
Dimensions [L, W, Ø] | 156 x 158 x 180 | [mm] | |||
* With the scope of delivery | |||||
** 10 mm diameter distance. Also see section Finger movement and force on page 6 |
Operating Conditions | Minimum | Typical | Maximum | Unit |
Power supply | 20 | 24 | 25 | [V] |
Current consumption | 43 | - | 1500* | [mA] |
Operating temperature | 5 | - | 50 | [°C] |
Relative humidity (non-condensing) | 0 | - | 95 | [%] |
Calculated MTBF (operating life) | 30 | - | - | [Hours] |
*600 mA set as default. |