ROBOTIC GRIPPERS > NEMA 8
Grippers
NEMA 8 (20MM) Grippers
With various combinations of motor size and screw leads, our Nema 8 stepper linear grippers are rated for up to 35N gripping force, with peak force of up to 70N.
Encoders available upon request.
| Motor | Voltage (V) | Current (A) | Resistance (Ω) | Inductance (mH) | Lead Wire No. | Motor Length (mm) |
|---|---|---|---|---|---|---|
| 8-2105 | 2.5 | 0.5 | 5.0 | 1.2 | 4 | 27 |
| 8-2205 | 4.4 | 0.5 | 8.8 | 2.7 | 4 | 38 |
| Screw Diameter (inch) | Screw Diameter (mm) | Lead (inch) | Lead (mm) | Lead Code | Travel Per Step (mm) |
|---|---|---|---|---|---|
| 0.138 | 3.5052 | 0.0118 | 0.3000 | AF | 0.0015 |
| 0.138 | 3.5052 | 0.024 | 0.6096 | AA | 0.003 |
| 0.138 | 3.5052 | 0.0394 | 1.00 | AB | 0.005 |
| 0.138 | 3.5052 | 0.048 | 1.2192 | B | 0.0061 |
| 0.138 | 3.5052 | 0.079 | 2.00 | G | 0.01 |
| 0.138 | 3.5052 | 0.158 | 4.00 | M | 0.02 |
| 0.138 | 3.5052 | 0.315 | 8.00 | T | 0.04 |
Recommended gripping forces below have a 50% safety factor
| Screw Code | SINGLE Stack Gripping Force (N) | DOUBLE Stack Gripping Force (N) |
|---|---|---|
| AF | 16 | 35 |
| AA | 14 | 34 |
| AB | 12.5 | 25 |
| B | 11 | 23 |
| G | 10.5 | 18 |
| M | 5.5 | 16 |
| T | 2.5 | 10 |
