CNC Spindle Repair Services — Expert Rebuild for Every Brand
When a CNC spindle fails, your production stops. Every hour of downtime has a real cost—whether you’re running a woodworking shop in Southern California or a precision aerospace facility shipping parts across the country. At HS Spindles, we exist to get your machine back online as fast as possible, with the precision and confidence that comes from years of high-speed spindle expertise.
We are a veteran-owned spindle repair shop based in Yorba Linda, California, serving customers in all 50 states. From HSD and Hiteco electrospindles to GMN ceramic-bearing models and Fanuc CNC spindle motors, our team has the equipment, training, and experience to diagnose, rebuild, and certify your spindle to better-than-new specifications.
What Is Spindle Repair — and When Do You Need It?
A spindle repair is the process of disassembling a failed or degraded CNC spindle, identifying the root cause of failure, replacing worn or damaged components, and reassembling the spindle to its original operating specifications. A properly executed repair is not a patch job—it is a full precision rebuild that addresses the underlying cause of failure so it does not recur.
The most common reasons machine shops send spindles for repair include:
- Unusual noise or vibration — grinding, squealing, or increased vibration during operation typically indicate bearing wear or contamination.
- Loss of surface finish quality — if parts are coming out rougher than expected without any toolpath changes, the spindle bearings may have degraded.
- Reduced precision or dimensional drift — spindle runout beyond tolerance is the most common cause of parts failing inspection.
- Overheating — thermal issues during operation indicate bearing failure, lubrication breakdown, or contamination.
- Complete failure or seizure — the spindle has stopped running or cannot reach operating speed.
- Tool pull-out or poor clamping — the drawbar mechanism is not holding toolholders correctly.
Repair vs Rebuild vs Replacement — Which Is Right for You?
One of the most common questions we receive is whether a spindle should be repaired, rebuilt, or replaced entirely. In our experience, repair or rebuild is the right answer in more than 90% of cases.
A new OEM spindle replacement can cost $5,000 to $30,000 depending on brand and model. A professional spindle repair or rebuild typically costs a fraction of that — while achieving the same or better performance. At HS Spindles, we tell you honestly whether repair makes sense before you commit.
Repair vs. Rebuild
The key difference between repair and rebuild is scope.
A repair addresses specific failed components — typically bearings, seals, or drawbar components.
A rebuild is a complete teardown, inspection, and reassembly of every component, with replacement of anything that does not meet specification.
We provide written documentation of the work performed and the final inspection results regardless of which service is appropriate.
Spindle Brands We Service
Our technicians are experienced with all major high-speed and precision spindle brands, including:
- HSD — electrospindles for ATC, manual tool change, and routing applications (all series).
- Hiteco — QE, QT, Power, and Powertech series for CNC routing, woodworking, and stone cutting.
- GMN — TSSV, HCS, and BSS series including liquid-cooled and ceramic-bearing high-speed models.
- Setco — precision grinding, boring, and milling spindles.
- Fanuc — alpha, beta, and C series CNC spindle motors used in Mazak, DMG Mori, Haas, and other machines.
- Mazak — Integrex, QT, Nexus, and HCN series.
- ISO30 and HSK spindles — all interface sizes: HSK 32E, 40E, 63E, 63F, 85S.
- Custom and proprietary spindles — if you are not sure whether we service your model, contact us and we will confirm.
Our Spindle Repair Process — 12 Steps to Full Precision
| 1 | Receive | Ship to Yorba Linda, CA. We confirm receipt same day. |
| 2 | Disassembly | Full teardown. Every component inspected and catalogued. |
| 3 | Failure analysis | Root cause identified. Written report prepared. |
| 4 | Cleaning | Ultrasonic cleaning. All contamination and debris removed. |
| 5 | Precision inspection | Shaft, housing, taper, and bore measured to micron tolerance. |
| 6 | Bearing replacement | OEM-specification angular contact bearings installed. |
| 7 | Dynamic balancing | Balanced to ISO G1.0 or better at full operating speed. |
| 8 | Runout test | Full runout certification. Results documented. |
| 9 | Final assembly | Clean-room reassembly. All seals and covers replaced. |
| 10 | Test run | Run-up to full speed. Temperature, vibration, and noise verified. |
| 11 | Documentation | Failure analysis report + repair certification issued. |
| 12 | Return shipping | Securely packed. Shipped to your facility. |
Service Options & Turnaround Times
We offer three repair service tiers to match your operational urgency and budget. All tiers include the same quality standards — the difference is turnaround time and prioritisation.
| Service | Turnaround | Best for | Relative Cost |
|---|---|---|---|
| Expedited Repair | Same week | Machine down, urgent production | Premium |
| Standard Repair | 2-3 weeks | Planned maintenance window | Standard |
| Economy Repair | 5-8 weeks | Non-urgent, budget-sensitive | 15% less |
| Consignment | Varies | Spindle exchange program | Flexible |
Industries We Serve
Our spindle repair customers span a wide range of industries. Downtime is expensive in all of them, which is why we prioritise fast, accurate repair over everything else.
- Woodworking and cabinet manufacturing
- CNC routing — wood, stone, composites, and aluminium
- Aerospace and defence manufacturing
- Automotive and tier-1 supplier shops
- Furniture manufacturing
- Medical device manufacturing
- Stone, glass, and marble processing
- General precision machining and job shops
Shipping Your Spindle to Us
We receive spindles from machine shops across all 50 states. Most customers ship via FedEx Freight or UPS Freight. For high-value or large spindles, we recommend freight shipping with foam-padded crating. If you are unsure how to pack your spindle safely, call us before you ship—we will walk you through it at no charge.
Our shipping address:
HS Spindles
22349 La Palma Ave
Yorba Linda, CA 92887
Call us before you ship:
+1 714-307-2332
Why Choose HS Spindles?
- Veteran-owned and operated — precision, accountability, and integrity in everything we do.
- All major brands serviced under one roof — no outsourcing your repair to a third party.
- Full failure analysis report included with every repair.
- Dynamic balancing to ISO G1.0 or better as standard.
- Runout certification documented and provided.
- All 50 states served — we handle the logistics.
- Free initial diagnosis — know what is wrong before you commit to repair.
Frequently Asked Questions
How much does spindle repair cost?
Cost depends on brand, model, and the extent of damage. Simple bearing replacements start around $500. Complex rebuilds with shaft or housing damage can run $2,000–$5,000. We always provide a free diagnosis and written quote before any work begins.
How long does spindle repair take?
Standard repair is 2–3 weeks. Expedited same-week service is available for urgent situations. Economy repair takes 5–8 weeks at a 15% lower cost.
Do you offer a warranty on repairs?
Yes. All repairs include a standard warranty. Ask us for current warranty terms when you request your quote.
Can I ship my spindle to you?
Yes. We receive spindles from all 50 states daily. We will help you arrange safe packing and shipping. Call +1 714-307-2332.
What if my spindle is not repairable?
If the spindle is beyond economical repair, we will tell you honestly. We can often source a refurbished or new replacement and help with the transition.
Do you repair spindles that are not on this list?
Contact us with your spindle brand and model. We service most high-speed and precision spindles.
Ready to Get Your Spindle Back in Production?
Every hour of downtime costs money. Let our veteran-owned team diagnose your spindle and get your machine running with precision you can trust. Free diagnosis included with every quote.