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VMC / CNC / HMC Spindle Repairing 

 

Types of Spindles We Repair

  1. CNC Turning Spindles

  2. VMC Machining Spindles

  3. HMC Horizontal Spindles

  4. Grinding Spindles

  5. Built-in Motor Spindles

  6. Direct Drive Spindles

  7. Belt-Driven Spindles

  8. High-Speed Spindles (20,000+ RPM)

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Our Spindle Repair Process

We follow a systematic and transparent process to repair and rebuild spindles. Each spindle is handled with care, tested thoroughly, and reassembled with high-precision tools.

Incoming Inspection

  1. Noise or vibration

  2. Overheating

  3. Broken tool holders

  4. Burnt motor windings

  5. Unusual sound at RPM​​

  6. A preliminary inspection report is created.

Spindle Collection or Pickup

  1. We arrange pickup or accept delivery of damaged spindle.

  2. Basic details like machine model, symptoms, and spindle type are collected.

Disassembly

  1. Spindle is disassembled using cleanroom methods.

  2. All internal components (bearings, shaft, housing, drawbar, etc.) are removed and checked.

Fault Diagnosis

  1. Shaft Runout Check

  2. Housing Bore Check

  3. Bearing Preload Check

  4. Motor Coil Resistance Test

  5. Tool Taper Inspection

  6. Oil/Air Lubrication System Test

Quotation Submission

  1. cost of new parts (bearings, seals, etc.)

  2. Re-grinding or rebuilding cost (if required)

  3. Lead time and warranty

  4. Transport charges (if any)

Recision Repair & Replacement

  1. Bearing Replacement (P4 / P2 class)

  2. Drawbar Repair / Replacement

  3. Taper Grinding

  4. Shaft Rework or Replacement

  5. Housing Reboring

  6. Motor Coil Rewinding

  7. Dynamic Balancing

Assembly & Preload Setting

  1. Bearings are assembled in a clean, dust-free environment.

  2. Preload settings are done as per manufacturer design.

  3. All parts cleaned by ultrasonic cleaner before assembly.

Dynamic Testing

  1. RPM (Idle & Loaded)

  2. Noise & Vibration (DB level check)

  3. Temperature Rise

  4. Run-out Accuracy (within 2-5 microns)

  5. Lubrication performance

Final Inspection Report

  1. Inspection sheet

  2. Before vs. After comparison

  3. Speed, vibration, and runout reports

  4. Warranty information

Packing & Return Delivery

Spindle packed with anti-rust coating and air-tight sealed.

Delivery to your factory or courier as per request.

Common Problems We Fix

  1. Bearing noise or failure

  2. Overheating at high RPM

  3. Vibration and accuracy loss

  4. Tool holding issue

  5. Drawbar not releasing

  6. Lubrication failure

  7. Cracked shaft or housing

  8. Broken internal parts

Spindle Brands We Repair

  • BT40 / BT50 / HSK / ISO types

  • Kessler, GMN,  Fischer, 

  • Haas, Mazak, Fanuc, Doosan

  • Local Indian OEMs like ACE, BFW, Jyoti, LMW, etc.

Spindle Repair Applications

  1. Tool Room Machines

  2. Precision Die & Mold Shops

  3. CNC Machining Jobwork Units

  4. Aerospace and Defense

  5. Automobile Component Manufacturers

  6. Steel and Forging Plants

  7. Bearing Manufacturing

Our Service Locations

We offer repairing services across India, including

​

Pune | Mumbai | Nashik | Kolhapur | Bengaluru | Hyderabad | Coimbatore | Chennai | Aurangabad | Rajkot | Ahmedabad | Indore | Delhi | Baroda | Jharkhand | Haryana

Why Choose HP Spindle Technology?

spindle repairing

Expert Team with 10+ Years of Experience

spindle repairing

In-House Repairing and Testing Facility

spindle repairing

Use of Premium Bearings (SKF, FAG, NTN,NSK)

spindle repairing

On-Site Pickup & Installation Support

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