High Frequency Grinding Spindles
Precision-engineered spindles delivering high-speed performance for demanding grinding applications
Achieve unmatched grinding precision and surface finish with our High Frequency Grinding Spindles — designed for high-speed, vibration-free internal and external grinding.
At Capital Spindles India Pvt. Ltd., we specialize in manufacturing and repairing motorized grinding spindles built for superior RPM, thermal stability, and long operating life. These spindles are ideal for high-accuracy grinding tasks in demanding CNC environments.
Applications of High Frequency Grinding Spindles
Our spindles are trusted by precision industries for:
- Internal bore grinding in components like bearings, valves, and cylinders
- External cylindrical grinding of shafts, sleeves, and bushings
- Surface grinding of hardened tools, dies, and flat parts
- Retrofitting in CNC grinding machines (including Studer, Junker, Micromatic, etc.)
- Use in custom grinding SPMs requiring compact, high-RPM spindles
Used across sectors like aerospace, automotive, tool & die, bearing, and precision machining.
Technical Highlights
Each high frequency grinding spindle is precision-engineered for: Our in-house dynamic balancing and shaft grinding ensure zero vibration and high reliability even under extreme speed conditions.
- Speed Range: 5,000 to 125,000 RPM
- Runout Accuracy: ≤ 2 microns
- Bearings: Hybrid Ceramic Angular Contact Bearings
- Balancing: ISO G0.4 Dynamic Balancing Standard
- Cooling Options: Air-cooled or Water-cooled
- Power Rating: 0.5 Kw to 50 Kw
- Sensors (Optional): Thermal switch, vibration sensor, encoder
Our in-house dynamic balancing and shaft grinding ensure zero vibration and high reliability even under extreme speed conditions.
Repair & Rebuild Services
Already using a high frequency spindle? We can bring it back to life — restoring it to like-new performance while extending its service life.
At Capital Spindles India Pvt. Ltd., we specialize in complete spindle reconditioning, ensuring your spindle operates at peak efficiency and precision. Our process covers every stage of repair with the highest quality standards:
- Comprehensive Inspection & Diagnosis – Detailed assessment to identify wear, damage, and performance issues.
- Precision Ceramic Bearing Replacement – High-quality ceramic bearings installed for smoother operation, higher speeds, and longer life.
- Shaft Grinding & Hard Chrome Coating – Restores shaft accuracy, strength, and resistance to wear.
- Housing & Taper Rework – Re-machining and reconditioning to ensure precise fit and alignment.
- Dynamic Balancing & Testing – Eliminates vibration for improved accuracy and performance.
- Rewiring of Thermal & Sensor Systems – Full electrical system check and replacement for accurate monitoring.
- 100% Performance Testing Before Dispatch – Every spindle passes rigorous operational tests to match OEM performance standards.
- Warranty Support on All Repairs – Peace of mind with guaranteed quality service.
Based in Delhi/NCR, our repair services support clients across India with quick turnaround times, minimizing machine downtime and production losses.
Whether it’s routine maintenance or a complete rebuild, trust Capital Spindles to keep your high-frequency spindle running like new.
Why Capital Spindles?
- 30+ Years of Spindle Manufacturing Experience
- Over 2,400 Spindle Designs Successfully Delivered
- Specialized in High-Frequency Internal & External Grinding
- Made in India | Exported to Europe, USA, and the Middle East
- Equipped with 3 Studer CNC Grinders & Schenck Balancing Machines
- Custom Design + Full After-Sales Support
Custom Grinding Spindle Designs
- Tool Interface: Collet type, custom taper, straight shaft
- Mounting: Flange mount, cartridge type, horizontal or vertical
- Cooling: Air or water-cooled based on cycle time
- Sensors: Thermal switch, vibration pickup, encoder
- Housing Material: EN 24, EN 36, Stainless Steel
Get Your High Frequency Grinding Spindle Today
Enhance your CNC machine’s performance with precision high-frequency grinding spindles. Contact the experts at Capital Spindles India Pvt. Ltd. for spindle repair, custom spindle design, and spindle manufacturing. With our global reach, we deliver high-quality spindle solutions worldwide and are ready to provide a no-obligation quote for your next project.