Practical guides on CNC spindle repair and spindle rebuilds: diagnosis, the rebuild process, OEM-specific service, and cost. MZI publishes them for machine shops, manufacturers, and maintenance teams across the U.S., from our California headquarters.
CNC Spindle Repair & Rebuild Guides
Spindle repair and spindle rebuilds are the core of what MZI does. How a spindle is diagnosed, what a complete rebuild involves, and how to tell a repair from a replacement. New guides publish here as they are completed.
CNC Spindle Repair, Rebuild, or Replace? Choosing the Right Path
How runout, noise, bearing condition, and downtime decide whether a spindle gets repaired, rebuilt, or replaced.
Read the guide →OEM Spindle Repair Guides
CNC spindle repair and rebuild guidance organized by the machine tool brands shops run every day. New guides publish here as they are completed.
Machine Tool Spindle Repair by OEM: What to Expect
How OEM design differences affect a rebuild, and what to have ready before you send a spindle in.
Read the guide →Spindle Type Guides
Drive design changes how a spindle fails and how it gets rebuilt. New guides publish here as they are completed.
Belt-Driven, Direct-Drive, and Motorized Spindles
The main spindle designs in service today, what separates them, and what each one means for a rebuild.
Read the guide →Motor & Gearbox Rebuild Guides
Spindles rarely fail alone. Guidance on the motors, encoders, and gearboxes that drive them. New guides publish here as they are completed.
Servo Motor, Spindle Motor & Gearbox Rebuilds
What MZI rebuilds beyond the spindle itself, and when a motor or gearbox is the source of the problem.
Read the guide →Cost & Replacement Guides
What a rebuild involves financially, how it compares to replacement, and what happens before you commit to anything. New guides publish here as they are completed.
What CNC Spindle Repair and Rebuild Cost
Disassembly, inspection, and a detailed quotation come first, so you know what the work is before you approve it.
Read the guide →Sending Us Your Spindle
We take spindles in from shops across the country. Everything you need to get yours to us and back. New guides publish here as they are completed.
How to Send Us Your Spindle
The request form, what goes in the box, where to ship it, and what happens the day it arrives.
Read the guide →Forms & Documents
Have a spindle that needs attention?
Send it to MZI Precision for evaluation, or call and talk it through with a spindle expert before you ship anything.