Cutting tool・tooling

NAKASEIKI

🛠️AIR CHUCK NPC-3TT-F325 – Wedge Chuck 3-Inch
3 Fingers – 2.5 mm Stroke – Compact & Ultra-Precise for Fine Machining
The NPC-3TT-F325 is a compact wedge-type pneumatic chuck designed specifically for ultra-precision CNC turning and grinding applications. With high repeatability and strong clamping force, it’s ideal for securing small components with exceptional stability—even at high rotational speeds.

🎯 Key Applications
- Ultra-precision machining on CNC lathes
- High-accuracy grinding operations
- Clamping both external and internal diameters
- Small-part machining requiring consistent grip and minimal vibration

⚙️ Highlighted Features
- 🔧 3 Fingers – 2.5 mm Stroke per Finger
→ Flexible clamping for various small part geometries
- 🎯 Repeatability ±0.002 mm
→ Exceptional stability for fine machining and grinding
- 🌀 Max Rotation Speed – 3000 RPM
→ Suitable for high-speed precision operations
- 🔄 Bottom-Center Air Port
→ Clean pneumatic layout for easy cable routing and system integration

📊 Technical Specifications
| Specification | Value |
| Number of Fingers | 3 |
| Stroke per Finger | 2.5 mm |
| Repeatability | ±0.002 mm |
| Operating Pressure | 0.15 – 0.6 MPa |
| Gripping Force (@0.1 MPa) | 603 N |
| Max Rotation Speed | 3000 RPM |
| Weight | 1650 g |
| Air Connection | FT-20 / FTB-20 |
| Body Material | Steel (Fe) |

✅ Key Advantages
- Compact Design
→ Easy to install on CNC lathes and grinding machines
- Stable Clamping Force
→ Ideal for small parts requiring precise holding
- Steel Construction
→ Durable and vibration-resistant at high speeds

🚀 NPC-3TT-F325 – Small but Mighty
Engineered for ultra-fine machining. Trusted for precision.