A Special Center is a custom-designed center used in turning, grinding, drilling, and inspection operations where standard live or dead centers cannot meet application requirements.
These centers are engineered based on component geometry, load, speed, accuracy, and process needs, ensuring perfect alignment, stability, and repeatability.
Special centers play a critical role in between-center machining, especially for long, heavy, thin, or high-precision components.
Applications
Special Centers are widely used in:
- CNC Lathes & Conventional Turning Machines
- Cylindrical & Centerless Grinding Machines
- Between-Center Grinding Operations
- Automotive shafts, axles & transmission parts
- Spindles, rotors & precision shafts
- Aerospace & heavy engineering components
- Toolroom and mass production setups
Key Features
- ✔ Designed as per component drawing or sample
- ✔ High concentricity & excellent load capacity
- ✔ Reduced vibration and runout
- ✔ Hardened & precision-ground contact surfaces
- ✔ Suitable for high-speed and heavy-duty operations
- ✔ Long service life with minimal maintenance
- ✔ Available as live, dead, or hybrid center designs
Types of Special Centers
- Special Live Center
- Special Dead Center
- Heavy-Duty Special Center
- Extended Nose / Long Reach Center
- Micro / Small Diameter Special Center
- Grinding Special Center
- Custom Profile Center
Technical Specifications
- Center Type: Live / Dead / Hybrid
- Material: Alloy Steel / Tool Steel / Carbide Tip (optional)
- Hardness: 55–62 HRC (contact area)
- Accuracy: ≤ 0.005 – 0.01 mm
- Speed Rating: As per bearing & design
- Mounting: Morse Taper / Special Shank
- Customization: 100% application-specific
Advantages
- Maintains true centerline during machining
- Improves surface finish & dimensional accuracy
- Reduces tool wear and component distortion
- Enables machining of complex or non-standard parts
- Ideal for high-precision and high-volume production
