Emergency: same day
For a line-down motor, where the fault and parts allow. WhatsApp us before you send it so the bench is kept free.
Servo motor repair · CNC spindle
CNC spindle motor repair in India
Star Automations repairs CNC spindle motors from machine tools, including their speed and position feedback sensors. Star Automations is an independent multi-brand repair company and is not an OEM service centre.
- 25+years of servo repair, since 2000
- 3,000+customers across India
- 100+servo brands covered by our universal servo motor test equipment
- 5sites: Puducherry, Chennai, Bengaluru, Hyderabad, Delhi
- Same dayemergency repair option*
*Where the fault and parts allow. Every repaired unit returns with a printed test report.
Repair turnaround you can plan around
Send a photo of the nameplate first. We confirm whether the motor is repairable, and the quote, the same working day.
Urgent: 3 working days
Repair, encoder alignment and test, counted from the day the motor reaches the bench and the quote is approved.
Standard: 7 working days
Full repair, encoder alignment, run test under load and a printed test report.
- Free repairability check from a nameplate photo
- Printed test report with every motor
- Written warranty, terms stated on every quotation
- Pickup can be arranged; parts that must be imported are quoted with their own timeline
01Repair
Common faults we repair
A spindle motor fault stops a machining centre or lathe. The motor, its feedback sensor and the spindle drive are tested separately to find the real fault.
Motor will not run or loses power
Winding, insulation and drive-side faults.
Overheating
Thermal sensors, fans and winding checks.
Bearing noise and vibration
Bearing wear and rotor condition.
Speed or position sensor faults
Sensors and encoders on the spindle.
Cooling-fan faults
Fans and ducts on spindle motors.
Cable and connector damage
Power and feedback cables.
Makes we repair
- Fanuc spindle motors
- Siemens spindle motors
- Mitsubishi spindle motors
- Other CNC spindle motors
Star Automations is an independent multi-brand repair company and is not an OEM service centre. Brand names are used only to say which units we repair. Send the model and we confirm repairability before you ship.
02Process
From model number to tested unit in five steps
Findings come before repair.
Send the model
Make, model, fault and a photo of the nameplate, on WhatsApp or the request form.
Courier or pickup
Units should be sent de-energised and disconnected. Pickup can be arranged.
Findings
The failed part and the repair options, before any work is approved.
Repair and functional check
Repair on your approval, then a power-up and functional check on the functions the fault affected.
Report and dispatch
Printed report with findings, parts replaced and test readings, sent back with the unit.
+For sale
Refurbished CNC spindle motors for sale
Besides rewinding and repairing CNC spindle motors and drives, Star Automations supplies refurbished, tested spindle motors and drives, and refurbishes your own unit to a tested standard. Ask for availability, condition and price, with GST invoice and delivery across India. Request availability and price, or see the Star Automations shop.
CNC spindle motor series and models we repair
We repair spindle motors for machining centres, lathes and high-speed machinery, together with the spindle drive and feedback sensor. These are the main series, including older and discontinued versions. The list is a guide, not a limit: send us your model. See also CNC machine servo motors, CNC control repair and AC servo motor repair.
Fanuc
α, αi and βi spindle motors; SPM spindle amplifier modules (A06B-6xxx) from older α series to αi series
Siemens
1PH7, 1PH4, 1PH6, 1PH8, 1PM4, 1PM6 spindle motors; SIMODRIVE 611A and 611U and SINAMICS S120 spindle drives
Mitsubishi
SJ-V, SJ-VL, SJ-D, SJ-DL spindle motors; MDS-B-SP, MDS-C1-SP and MDS-D-SP spindle drives
Okuma
VAC spindle motors and OSP drive units
Bosch Rexroth and Indramat
MAD, MAF, 1MB, 2AD spindle motors
Others
Mazak, Haas, Fagor and other machine-tool spindle motors, with their feedback sensors and spindle drives
→How it works
From nameplate photo to a tested motor in 7 steps
One route for servo motors, encoders and drives. You see the price before any work starts, and the report before the unit leaves our bench.
- 1 · Nameplate photoSend it on WhatsApp or the form
- 2 · Repairable? QuoteUsually the same working day
- 3 · Courier or pickupThe unit reaches our bench
- 4 · Bench diagnosisInsulation, windings, brake, encoder
- 5 · RepairFailed parts, bearings, seals, brake
- 6 · Align and run-testEncoder aligned; no-load and load run
- 7 · Report and dispatchPrinted test report with the unit
- Line down?Servo Swap ships a tested unit first. How Servo Swap works
EmergencySame day*
Urgent3 working days
Standard7 working days
*Where the fault and parts allow. Turnaround counts from when the unit reaches our bench and the quote is approved.
Do you repair CNC spindle motors?
Send the make, model and the fault. We confirm repairability before you ship.
Do you repair the spindle drive too?
Drive repair is a separate service. Send both if you want both checked.
Is Star Automations an OEM service centre?
Star Automations is an independent multi-brand repair company and is not an OEM service centre.
How fast can a repair be done?
Emergency same-day, urgent 3 working days and standard 7 working days are available where the fault and parts allow. The timeline is stated on the quote.
Send the model and the fault.
WhatsApp or call +91 97866 22233, or email info@starautomations.com.