Cutting tool・tooling

NAKASEIKI

🟨 NPC-3RS-F38 – High-Precision Wedge Chuck for Variable-Diameter Components
3-Finger, Long-Stroke Chuck with Lightweight Aluminum Body for Robotic Integration
The NPC-3RS-F38 is a wedge-type pneumatic chuck featuring 3 fingers and a long jaw stroke of φ8 mm. Designed for gripping a wide range of workpiece sizes, it combines lightweight construction with stable repeatability, making it ideal for robotic arms and automated systems.

✨ Key Features
- ✅ Wedge-Type Mechanism – 3 Fingers
→ Provides stable and flexible gripping for various part geometries
- ✅ Long Jaw Stroke – φ8 mm per finger
→ Accommodates diverse workpiece diameters
- ✅ Aluminum Body – 1310 g
→ Lightweight and easy to integrate into robotic setups
- ✅ Repeatability – ±0.01 mm
→ Ensures consistent precision in automation environments
- ✅ Dual Side Air Ports
- → Simplifies pneumatic connection and installation

⚙️ Technical Specifications
| Item | Value |
| Model | NPC-3RS-F38 |
| Chuck Type | Wedge, 3 fingers |
| Chuck Size | 3 inch |
| Jaw Stroke per Finger | φ8 mm |
| Repeatability Accuracy | ±0.01 mm |
| Operating Pressure | 0.15 – 0.6 MPa |
| Clamping Force (Outer Grip) | 226 N @ 0.1 MPa |
| Material | Aluminum (Al) |
| Weight | 1310 g |
| Mounting Hole Pitch | P.C.D 70 |
| Top Mounting Bolts | M5 × 3 |
| Bottom Fit Dimensions | φ50H7 × 2 mm |
| Working Fluid | Compressed Air |
| Max Rotation Speed | Not specified |

🔧 Applications
- ✔ Gripping components with varying diameters
- ✔ Ideal for robotic arms and automated pick & place systems
- ✔ Suitable for setups requiring long-stroke flexibility and stable performance

🟨 NPC-3RS-F38 – A long-stroke, 3-finger wedge chuck designed for flexible gripping in precision automation.