Cutting tool・tooling

NAKASEIKI

🔹 NPC-3TXS-F325 – Rotating Wedge Chuck
3 Fingers / 3-Inch / Side Air Supply – Unlimited Rotation with Ultra-High Precision
The NPC-3TXS-F325 is a premium-grade rotating chuck designed for continuous rotation applications without pneumatic obstruction. With side-mounted air ports and a free-spinning inner body, it’s ideal for high-end metrology, automated inspection, and rotary assembly systems.

⚙️ Typical Applications
✔️ Precision rotor-based inspection systems
✔️ Continuous rotation setups without air hose interference
✔️ Advanced measuring and rotary assembly equipment

💡 Key Features
- 🔄 Free-Rotating Chuck Body
→ Spins independently inside a fixed outer shell for unrestricted rotation
- 💨 Dual Side Air Ports
→ Eliminates need for bottom air supply, enabling full 360° motion
- 🔍 φ8 mm Through-Hole
→ Supports centering shafts or sensor integration
- 🛠️ Made-to-Order Design
→ Customizable dimensions and specifications to suit your system
- 🎯 Ultra-High Repeatability ±0.002 mm
→ Ensures exceptional accuracy for precision-critical applications

📊 Technical Specifications
| Specification | Value |
| Product Code | NPC-3TXS-F325 |
| Chuck Type | Wedge Type |
| Size | 3 inch |
| Number of Fingers | 3 |
| Stroke per Finger | 2.5 mm |
| Repeatability | ±0.002 mm |
| Body Material | Steel (Fe) |
| Weight | 7500 g |
| Operating Pressure | 0.2 – 0.6 MPa |
| Gripping Force (@0.1 MPa) | 603 N |
| Air Ports | Dual side ports |
| Max Rotation Speed | 1500 RPM |
| Through-Hole Diameter | φ8 mm |
| Top Mounting Screws | M5 × 3 |
| Bottom Mounting Diameter | φ50 +0.05/0 × 3 mm |
| Bolt Circle Diameter (P.C.D) | 70 mm |

✅ Why Choose NPC-3TXS-F325?
- Customizable & Flexible – Tailored to your system’s exact needs
- Unlimited Rotation – Side air ports allow full freedom of motion
- Precision-Grade Performance – Built for high-end inspection and automation tasks

📌 NPC-3TXS-F325 – The ultimate rotating chuck for precision metrology and advanced automation.