HSD AT 100 Spindle Repair & High-Cycle ATC Rebuild
Overview
The AT 100 increases torque capacity and structural rigidity over the AT 90, making it common in mid-to-heavy production CNC routers.
Official Technical Specifications HSD_Cat_Composite_mar24_Web_ENG…
- Body Diameter: 100 mm
- Max Speed: 24,000 rpm
- Taper: ISO30 / HSK63 variants
- Cooling: Fan or liquid
Common Failure Patterns
- Clamp fatigue from high tool change count
- Bearing wear under sustained load
- Taper fretting
- Air system contamination
Rebuild Focus
AT 100 rebuild must emphasize:
- Clamp force verification
- Drawbar alignment
- Bearing preload accuracy
- Taper condition correction