Precision Grinding Solutions for
High-Accuracy Manufacturing
From 150,000 RPM micro drilling to 28 kW heavy-duty roll grinding — stable, low-vibration spindle systems.
Spindle Series
Seven series covering 300 to 150,000 RPM and 100 W to 34 kW.
Internal Grinding & Milling Spindles
5 models · 1 – 34 kW
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External Cylindrical Grinding Spindles
5 models · 6.3 – 28 kW
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Workhead Spindles
3 models · 1 – 9.5 kW
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Wheel Dressing Spindles
7 models · 0.1 – 2 kW
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Hydrostatic Spindles
2 models · 20 – 23 kW
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External Motor Driven Spindles
3 models · 10 – 30 kW
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HSK63 Automatic Tool Change Spindles
1 model · On request
View specifications →Typical Applications
Why Choose HOYO
Industry-Proven Performance
Our manufacturing partners are National "Little Giant" enterprises holding over 30 invention and utility patents, supplying automotive and machine tool sectors.
Sub-micron Capability
Hydrostatic spindles hold roundness below 0.3 microns. Internal grinders reach 150,000 RPM for holes from 0.1 mm.
Custom Engineering Support
We do not just sell spindles. Send the workpiece and tolerance, and we specify the spindle around your grinding application.
Supporting Equipment
A spindle holds its accuracy only if its oil and its temperature do.
Panoramic Monitoring Hydraulic Power Unit
Supplies and conditions the oil film for hydrostatic spindles, with full monitoring of pressure, flow and temperature across every circuit.
Spindle Chiller
Dedicated refrigeration for motorised spindles. Holding coolant temperature stable is what keeps thermal growth — and therefore accuracy — under control through a full production shift.
Tell Us Your Application
Send us the workpiece, the material and the tolerance. Our engineers will come back with a specific model, not a catalogue.
- Engineering-led support
- Drawings welcome
- Reply within one business day