Cutting tool・tooling

NAKASEIKI

⚙️AIR CHUCK NPC-4TT-33 – Wedge Chuck 4-Inch
3 Fingers – 3 mm Stroke – Fast, Secure, and Ultra-Precise
The NPC-4TT-33 is a high-performance wedge-type pneumatic chuck designed for CNC turning and high-speed winding operations. With excellent repeatability and stable clamping at up to 3000 RPM, it’s ideal for precision machining of small to medium-sized components.

🎯 Key Applications
- CNC turning of precision parts
- High-speed winding or rotary operations
- Machining tasks requiring tight tolerances and consistent grip

🔧 Core Features
- 🔩 3 Fingers – 3 mm Stroke per Finger
→ Flexible clamping for various part geometries
- 🎯 Ultra-High Repeatability ±0.002 mm
- → Ensures consistent accuracy in fine machining
- 🌀 Optimized for High-Speed Rotation – Up to 3000 RPM
→ Stable performance even under demanding conditions
- 🔄 Bottom-Center Air Port
→ Clean and compact pneumatic integration

📊 Technical Specifications
| Specification | Value |
| Number of Fingers | 3 |
| Stroke per Finger | 3 mm |
| Repeatability | ±0.002 mm |
| Operating Pressure | 0.15 – 0.6 MPa |
| Gripping Force (@0.1 MPa) | 1267 N |
| Max Rotation Speed | 3000 RPM |
| Weight | 2260 g |
| Body Material | Steel (Fe) |
| Air Connection | FT-20 / FTB-20 |

✅ Key Advantages
- Stable operation at high rotational speeds
- Exceptional precision for fine machining tasks
- Durable steel body with moderate weight for easy integration

🚀 NPC-4TT-33 – The Ultimate Clamping Solution for High-Speed Precision Turning
Stable. Compact. Accurate to the micron.