Cutting tool・tooling

NAKASEIKI

🟨 NPC-2RSS-32 – Wedge-Type Chuck with Center Hole
Short-Stroke, High-Precision Gripping for Small Components and Sensor Integration
The NPC-2RSS-32 is a lightweight, wedge-style 3-finger pneumatic chuck designed for gripping small round parts with high stability. Featuring a central through-hole, it supports sensor mounting, chip evacuation, and coolant flow—making it ideal for automated inspection and machining environments.

✨ Key Features
- ✅ Wedge-Style 3-Finger Design
→ Provides stable grip for small or round components
- ✅ Center Through-Hole – φ3.4 mm
→ Enables sensor installation, chip suction, coolant flow, or measurement
- ✅ Short Stroke – φ2 mm per finger
→ Ideal for high-stability gripping of compact parts
- ✅ Lightweight – 320 g
→ Easy integration with robotic arms and compact systems
- ✅ Repeatability – ±0.01 mm
→ Ensures consistent precision in automated cycles
- ✅ Dual Side Air Ports
- → Optimizes pneumatic layout in tight spaces

⚙️ Technical Specifications
| Item | Value |
| Model | NPC-2RSS-32 |
| Number of Fingers | 3 |
| Chuck Size | 2 inch |
| Jaw Stroke per Finger | φ2 mm |
| Clamping Force | 129 N @ 0.1 MPa |
| Operating Pressure | 0.15 – 0.6 MPa |
| Repeatability Accuracy | ±0.01 mm |
| Weight | 320 g |
| Material | Aluminum (Al) |
| Top Mounting Holes | P.C.D 42, M4 × 3 |
| Bottom Mounting Holes | M5 × 3 |
| Centering Pin Fit | φ30 +0.05/0 × 2.5 mm |
| Center Through-Hole | φ3.4 mm (for sensor/coolant) |

🔧 Applications
- ✔ Gripping small components in measuring devices or assembly machines
- ✔ Integration with sensors for force detection or part positioning
- ✔ Suitable for machining environments with chip evacuation or cooling systems
- ✔ Optimized for high-speed robotic automation

🟨 NPC-2RSS-32 – A precision wedge chuck with built-in versatility for gripping, sensing, and cooling in compact automation setups.