TECHNICAL OVERVIEW
AC & DC Motor Rewinding
Our motor rewinding facility utilizes high-precision automated coil winding machinery, double-coated electrolytic copper conductors, and vacuum pressure impregnation (VPI) varnish processing. We service single-phase, three-phase, variable speed, slip-ring, and squirrel cage motors with comprehensive computerized surge and insulation resistance testing before dispatch.
Our Systematic Engineering Process:
- Step 1: Non-destructive Core Stripping: Thermal breakdown of old varnish without damaging core silicon steel laminations.
- Step 2: Precision Coil Winding: Computerized bobbin winding using Grade 2 electrolytic dual-coat copper wire.
- Step 3: Slot Insulation: Class H Nomex/Mylar slot liners and phase insulation separators.
- Step 4: Vacuum Pressure Impregnation (VPI): Deep chemical resin varnish penetration and controlled oven curing.
- Step 5: Dynamic Balancing & Final Testing: Rotor spin balancing, insulation resistance (Megger), and no-load current verification.
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