Info@spindleexperts.com
Standard Internal Grinding Spindles
Internal Grinding Spindles– IG-25 & IG-40 Models
Why Choose Our Internal Grinding Spindles?
High-Speed Capability: Supports 18,000 – 45,000 RPM for fine surface finishes.
Quick-Mount Design: Enables fast, tool-free installation into existing machines.
Factory Balanced: Each spindle is balanced to G2.5 for smooth, vibration-free operation.
Compact & Durable: Robust ceramic bearings extend life even under high-load and coolant exposure.
Customizable Interface: Compatible with standard ID grinder setups.
Models & Technical Specifications
Model | Max RPM | Power (kW) | Mount Ø (mm) | Cooling Type |
IG-25 | 45,000 | 3.5 | 25 | Oil Mist |
IG-40 | 18,000 | 5.0 | 40 | Air-Oil |
Both models are designed for high-precision internal grinding and come pre-configured for plug-and-play operation with most CNC and manual grinding setups
Quick-Mount, Factory-Balanced Advantage
Traditional spindles require hours of setup and re-balancing. Our internal grinding spindles are shipped factory-balanced and designed to be installed within minutes, maintaining less than 1 micron runout even at full speeds. This quick-mount feature dramatically reduces machine downtime and improves grinding efficiency.
Common Applications
Our internal grinding spindles are trusted across multiple industries:
Automotive – Valve seat and injector bore grinding
Aerospace – Hydraulic sleeve and internal casing grinding
Medical – Bores in surgical tools and implants
Bearing Manufacturing – Race and cage internal grinding
Tool Room – Die finishing, R&D machining, and prototyping
Ordering, Support & Customization
Looking for a specific mounting pattern or a custom RPM range? We offer custom spindle design and modification services. Every spindle comes with:
- 12-month warranty
- Pre-shipment test report
- 48-hour express repair support
- CAD drawings & installation guides
Contact our team today to request a quote or schedule a technical consultation.