Cutting tool・tooling

NAKASEIKI

🟦AIR CHUCK NPC-3RT-38 – Wedge Chuck 3-Inch
Aluminum Body – 3 Fingers – 8 mm Stroke – Ultra-Light and Highly Flexible
The NPC-3RT-38 is a lightweight wedge-type pneumatic chuck designed for fast and flexible clamping of various workpiece sizes. With an extended jaw stroke and aluminum construction, it’s ideal for automated systems, robotic arms, and mid-speed batch machining.

🎯 Recommended Applications
- Machining parts with varying dimensions
- Automation setups and lightweight clamping systems
- Mid-speed batch production with diverse components
- Robotic gripping and rotary fixtures

⚙️ Key Features
- ↕️ 8 mm Stroke per Finger
→ Wide clamping range for multiple workpiece sizes
- ⚡ Aluminum Body (Al)
→ Lightweight design ideal for robotic and rotary systems
- 🎯 Repeatability ±0.01 mm
→ Sufficient precision for general machining tasks
- 🔄 Bottom-Center Air Port
→ Clean and efficient pneumatic layout for easy installation

📊 Technical Specifications
| Specification | Value |
| Number of Fingers | 3 |
| Stroke per Finger | 8 mm |
| Repeatability | ±0.01 mm |
| Operating Pressure | 0.15 – 0.6 MPa |
| Gripping Force (@0.1 MPa) | 226 N |
| Max Rotation Speed | 1200 RPM |
| Weight | 1350 g |
| Body Material | Aluminum (Al) |
| Air Connection | FT-20 / FTB-20 |

✅ Advantages Over Steel Models
- ⚙️ ~45% Lighter
→ Reduces load on rotary axes and robotic arms
- 🤖 Optimized for Automation
→ Ideal for robotic clamping and energy-efficient systems
- 📦 Simple Operation
→ Effective with a wide variety of workpieces

🚀 NPC-3RT-38 – Light. Fast. Reliable.
The optimal solution for flexible, energy-saving clamping systems