Cutting tool・tooling

NAKASEIKI

🔧AIR CHUCK NPC-4TTS-33 – Wedge Chuck 4-Inch
3 Fingers – Compact Design – High Precision – Smart Integration
The NPC-4TTS-33 is a precision wedge-type pneumatic chuck designed for automated CNC systems. With a built-in through-hole and ultra-high repeatability, it offers secure clamping, easy integration, and smooth operation in tight spaces.

⚙️ Key Features
- 🔩 3 Fingers
→ Ideal for gripping round and symmetrical components
- 🌀 φ6.0 mm Through-Hole
→ Supports coolant flow, chip evacuation, or sensor installation
- 🎯 Ultra-High Repeatability ±0.002 mm
→ Ensures consistent accuracy for high-precision machining
- 🔄 Bottom-Center Air Port
→ Clean pneumatic layout for compact system design

📊 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) | 1161 N |
| Max Rotation Speed | 3000 RPM |
| Weight | 2580 g |
| Air Connection | FT-30 / FTB-30 / FT-30K |
| Through-Hole Diameter | φ6.0 mm |
| Body Material | Steel (Fe) |

✅ Main Advantages
- Easy integration into robotic arms, rotary axes, and fixture tables
- Durable steel construction for long-term stability
- Supports multiple air connection types for flexible setup
- Ideal for continuous clamping in high-precision applications

🚀 NPC-4TTS-33 – Precision Clamping. Smooth Chip Evacuation. Seamless Operation.
A smart choice for automated CNC systems.