VMC / CNC / HMC Spindle Repairing – HP Spindle Technology
At HP Spindle Technology, we offer expert spindle repairing services for all types of VMC, CNC, and HMC machines. With over 10+ years of industry experience, we help industries reduce downtime and cost by providing fast, accurate, and reliable spindle repairs.
Whether it is a damaged bearing, vibration issue, unusual noise, or RPM loss, our spindle specialists provide end-to-end repair solutions that restore your spindle to original condition or better.
Types of Spindles We Repair
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CNC Turning Spindles
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VMC Machining Spindles
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HMC Horizontal Spindles
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Grinding Spindles
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Built-in Motor Spindles
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Direct Drive Spindles
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Belt-Driven Spindles
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High-Speed Spindles (20,000+ RPM)
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
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Noise or vibration
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Overheating
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Broken tool holders
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Burnt motor windings
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Unusual sound at RPM​​
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A preliminary inspection report is created.
Spindle Collection or Pickup
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We arrange pickup or accept delivery of damaged spindle.
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Basic details like machine model, symptoms, and spindle type are collected.
Disassembly
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Spindle is disassembled using cleanroom methods.
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All internal components (bearings, shaft, housing, drawbar, etc.) are removed and checked.
Fault Diagnosis
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Shaft Runout Check
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Housing Bore Check
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Bearing Preload Check
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Motor Coil Resistance Test
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Tool Taper Inspection
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Oil/Air Lubrication System Test
Quotation Submission
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cost of new parts (bearings, seals, etc.)
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Re-grinding or rebuilding cost (if required)
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Lead time and warranty
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Transport charges (if any)
Recision Repair & Replacement
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Bearing Replacement (P4 / P2 class)
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Drawbar Repair / Replacement
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Taper Grinding
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Shaft Rework or Replacement
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Housing Reboring
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Motor Coil Rewinding
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Dynamic Balancing
Assembly & Preload Setting
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Bearings are assembled in a clean, dust-free environment.
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Preload settings are done as per manufacturer design.
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All parts cleaned by ultrasonic cleaner before assembly.
Dynamic Testing
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RPM (Idle & Loaded)
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Noise & Vibration (DB level check)
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Temperature Rise
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Run-out Accuracy (within 2-5 microns)
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Lubrication performance
Final Inspection Report
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Inspection sheet
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Before vs. After comparison
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Speed, vibration, and runout reports
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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
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Bearing noise or failure
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Overheating at high RPM
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Vibration and accuracy loss
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Tool holding issue
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Drawbar not releasing
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Lubrication failure
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Cracked shaft or housing
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Broken internal parts
Spindle Brands We Repair
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BT40 / BT50 / HSK / ISO types
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Kessler, GMN, Fischer,
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Haas, Mazak, Fanuc, Doosan
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Local Indian OEMs like ACE, BFW, Jyoti, LMW, etc.
Spindle Repair Applications
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Tool Room Machines
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Precision Die & Mold Shops
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CNC Machining Jobwork Units
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Aerospace and Defense
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Automobile Component Manufacturers
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Steel and Forging Plants
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Bearing Manufacturing
Our Service Locations
We offer repairing services across India, including
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Pune | Mumbai | Nashik | Kolhapur | Bengaluru | Hyderabad | Coimbatore | Chennai | Aurangabad | Rajkot | Ahmedabad | Indore | Delhi | Baroda | Jharkhand | Haryana
Why Choose HP Spindle Technology?
Expert Team with 10+ Years of Experience
In-House Repairing and Testing Facility
Use of Premium Bearings (SKF, FAG, NTN,NSK)
On-Site Pickup & Installation Support