Robot hand
Please install a check valve in the air-pressure circuit so that the gripper will not release a workpiece even if the air pressure drops down.
When the jaw stroke is detected by the reed switches, mount reed switched on the grooves on the outer periphery of the product. Up to 4 reed switches can be mounted.
In case proximity switches are used for direct detection of jaw stroke, please purchase proximity switch brackets additionally.
| Model | Jaw Stroke Diameter (mm) |
Diameter (mm) |
Gripping Force (Note 2) | Repeatability (mm) |
Mass (kg) |
Air Consumption per reciprocating (cm3) |
Air pressure (MPa) |
Operating Temperature (℃) |
||
|---|---|---|---|---|---|---|---|---|---|---|
| Measurement L(mm) |
OD Gripping (N) |
ID Gripping (N) |
||||||||
| NTB309 | 12 | 14.3 | 10 | 1110 | 1270 | ±0.015 | 0.70 | 38.0 | 0.2～0.8 | 5～60 |
| NTB311 | 16 | 25 | 20 | 1510 | 1750 | ±0.015 | 1.20 | 80.4 | 0.2～0.8 | 5～60 |
| NTB313 | 20 | 29.9 | 20 | 3580 | 3750 | ±0.015 | 2.10 | 190.1 | 0.2～0.8 | 5～60 |
| NTB317 | 25 | 50 | 20 | 7440 | 9000 | ±0.02 | 7.50 | 465.1 | 0.2～0.8 | 5～60 |
*Proximity switch cannot be used for NTB317.
Click the model number and the gripping force diagram will be displayed. The gripping force, F is a product of the actual gripping force per jaw, F1 and the number of jaws
The gripping force will be calculated by the gripper model, air pressure, and other gripping conditions.
Calculate gripping force
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