How Makino Spindles Get Damaged
Makino’s Dave Ward ties spindle life to preventive maintenance, crash avoidance, and keeping the spindle from overload. Stalling a spindle creates excessive bearing loads. A gentle crash can leave small dents in bearing surfaces that speed up spindle wear. Ward advises against overly long tools because of the bending moment they put on the spindle.
Makino Spindle Repair Shops
Motor City Spindle Repair
Dearborn, MI
Brands: DMG Mori, Fanuc, Haas, Makino, Mazak, Okuma
Northline Industrial
Redford, MI
Brands: Fanuc, Makino, Okuma
Setco
Hebron, KY
Brands: DMG Mori, Makino, Mazak, Okuma
Superior Spindle
Taylor, MI
Brands: DMG Mori, Makino, Mazak, Okuma
Compare Makino Spindle Repair Shops
This table lists turnaround, warranty, and evaluation terms from each shop's published information.
| Shop | Repair type | Turnaround (business days) | Warranty (months) | Free evaluation | Rush service |
|---|---|---|---|---|---|
| Motor City Spindle Repair | Ship-in repair | 5-15 | 12 | Yes | Yes |
| Northline Industrial | Ship-in and on-site | Not listed | 12 | Yes | Not listed |
| Superior Spindle | Ship-in repair | 10-14 | Not listed | Not listed | Yes |
Keeping Coolant Out of the Cartridge
Machines with through-spindle coolant need routine inspection of the O-ring or seal at the toolholder and coolant tube interface. That inspection keeps high-pressure cutting fluid from contaminating the spindle cartridge.
What a Makino Spindle Rebuild Measures
One independent shop’s Makino repair page starts with disassembly, cleaning, and evaluation. A drawbar pull force test measures the spindle’s grip on the toolholder. Motor parts get checked for shorts or insulation issues. Encoders and sensors get tested for an accurate signal.
Measurements of the taper, face, pilot, shaft, and housing identify fit and size problems. New springs and seals return the original clamping power. The rebuilt spindle then gets precision balanced and its electrical parts tested. Makino’s own rebuilds use new OEM components where required and test and balance each spindle to original specifications.